/* Graphical user interface functions for the Microsoft W32 API.
- Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* Added by Kevin Gallo */
#include <commdlg.h>
#include <shellapi.h>
#include <ctype.h>
+#include <winspool.h>
#include <dlgs.h>
#define FILE_NAME_TEXT_FIELD edt1
void syms_of_w32fns ();
void globals_of_w32fns ();
-static void init_external_image_libraries ();
extern void free_frame_menubar ();
extern double atof ();
extern int w32_console_toggle_lock_key P_ ((int, Lisp_Object));
extern void w32_menu_display_help P_ ((HWND, HMENU, UINT, UINT));
extern void w32_free_menu_strings P_ ((HWND));
+extern XCharStruct *w32_per_char_metric P_ ((XFontStruct *, wchar_t *, int));
extern int quit_char;
Lisp_Object Vw32_alt_is_meta;
/* If non-zero, the windows virtual key code for an alternative quit key. */
-Lisp_Object Vw32_quit_key;
+int w32_quit_key;
/* Non nil if left window key events are passed on to Windows (this only
affects whether "tapping" the key opens the Start menu). */
/* Control how close left/right button down events must be to
be converted to a middle button down event. */
-Lisp_Object Vw32_mouse_button_tolerance;
+int w32_mouse_button_tolerance;
/* Minimum interval between mouse movement (and scroll bar drag)
events that are passed on to the event loop. */
-Lisp_Object Vw32_mouse_move_interval;
+int w32_mouse_move_interval;
/* Flag to indicate if XBUTTON events should be passed on to Windows. */
int w32_pass_extra_mouse_buttons_to_system;
over text or in the modeline. */
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
-Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape, Vx_hand_shape;
+Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
/* The shape when over mouse-sensitive text. */
static int w32_in_use;
-/* Search path for bitmap files. */
-
-Lisp_Object Vx_bitmap_file_path;
-
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
Lisp_Object Vx_pixel_size_width_font_regexp;
Lisp_Object Qnone;
Lisp_Object Qsuppress_icon;
Lisp_Object Qundefined_color;
-Lisp_Object Qcenter;
Lisp_Object Qcancel_timer;
Lisp_Object Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qw32_charset_unicode;
#endif
+/* The ANSI codepage. */
+int w32_ansi_code_page;
+
/* Prefix for system colors. */
#define SYSTEM_COLOR_PREFIX "System"
#define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)
TrackMouseEvent_Proc track_mouse_event_fn = NULL;
ClipboardSequence_Proc clipboard_sequence_fn = NULL;
+extern AppendMenuW_Proc unicode_append_menu;
/* W95 mousewheel handler */
unsigned int msh_mousewheel = 0;
/* From w32term.c. */
-extern Lisp_Object Vw32_num_mouse_buttons;
+extern int w32_num_mouse_buttons;
extern Lisp_Object Vw32_recognize_altgr;
extern HWND w32_system_caret_hwnd;
CHECK_LIVE_FRAME (frame);
f = XFRAME (frame);
if (! FRAME_W32_P (f))
- error ("non-w32 frame used");
+ error ("Non-W32 frame used");
return f;
}
CHECK_LIVE_FRAME (frame);
f = XFRAME (frame);
if (! FRAME_W32_P (f))
- error ("non-w32 frame used");
+ error ("Non-W32 frame used");
return FRAME_W32_DISPLAY_INFO (f);
}
}
}
\f
-
-/* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
- id, which is just an int that this section returns. Bitmaps are
- reference counted so they can be shared among frames.
-
- Bitmap indices are guaranteed to be > 0, so a negative number can
- be used to indicate no bitmap.
-
- If you use x_create_bitmap_from_data, then you must keep track of
- the bitmaps yourself. That is, creating a bitmap from the same
- data more than once will not be caught. */
-
-
-/* Functions to access the contents of a bitmap, given an id. */
-
-int
-x_bitmap_height (f, id)
- FRAME_PTR f;
- int id;
-{
- return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].height;
-}
-
-int
-x_bitmap_width (f, id)
- FRAME_PTR f;
- int id;
-{
- return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].width;
-}
-
-int
-x_bitmap_pixmap (f, id)
- FRAME_PTR f;
- int id;
-{
- return (int) FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
-}
-
-
-/* Allocate a new bitmap record. Returns index of new record. */
-
-static int
-x_allocate_bitmap_record (f)
- FRAME_PTR f;
-{
- struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
- int i;
-
- if (dpyinfo->bitmaps == NULL)
- {
- dpyinfo->bitmaps_size = 10;
- dpyinfo->bitmaps
- = (struct w32_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
- dpyinfo->bitmaps_last = 1;
- return 1;
- }
-
- if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
- return ++dpyinfo->bitmaps_last;
-
- for (i = 0; i < dpyinfo->bitmaps_size; ++i)
- if (dpyinfo->bitmaps[i].refcount == 0)
- return i + 1;
-
- dpyinfo->bitmaps_size *= 2;
- dpyinfo->bitmaps
- = (struct w32_bitmap_record *) xrealloc (dpyinfo->bitmaps,
- dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
- return ++dpyinfo->bitmaps_last;
-}
-
-/* Add one reference to the reference count of the bitmap with id ID. */
-
-void
-x_reference_bitmap (f, id)
- FRAME_PTR f;
- int id;
-{
- ++FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
-}
-
-/* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */
-
-int
-x_create_bitmap_from_data (f, bits, width, height)
- struct frame *f;
- char *bits;
- unsigned int width, height;
-{
- struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
- Pixmap bitmap;
- int id;
-
- bitmap = CreateBitmap (width, height,
- FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes,
- FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits,
- bits);
-
- if (! bitmap)
- return -1;
-
- id = x_allocate_bitmap_record (f);
- dpyinfo->bitmaps[id - 1].pixmap = bitmap;
- dpyinfo->bitmaps[id - 1].file = NULL;
- dpyinfo->bitmaps[id - 1].hinst = NULL;
- dpyinfo->bitmaps[id - 1].refcount = 1;
- dpyinfo->bitmaps[id - 1].depth = 1;
- dpyinfo->bitmaps[id - 1].height = height;
- dpyinfo->bitmaps[id - 1].width = width;
-
- return id;
-}
-
-/* Create bitmap from file FILE for frame F. */
-
-int
-x_create_bitmap_from_file (f, file)
- struct frame *f;
- Lisp_Object file;
-{
- return -1;
-#if 0 /* TODO : bitmap support */
- struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
- unsigned int width, height;
- HBITMAP bitmap;
- int xhot, yhot, result, id;
- Lisp_Object found;
- int fd;
- char *filename;
- HINSTANCE hinst;
-
- /* Look for an existing bitmap with the same name. */
- for (id = 0; id < dpyinfo->bitmaps_last; ++id)
- {
- if (dpyinfo->bitmaps[id].refcount
- && dpyinfo->bitmaps[id].file
- && !strcmp (dpyinfo->bitmaps[id].file, (char *) SDATA (file)))
- {
- ++dpyinfo->bitmaps[id].refcount;
- return id + 1;
- }
- }
-
- /* Search bitmap-file-path for the file, if appropriate. */
- fd = openp (Vx_bitmap_file_path, file, Qnil, &found, Qnil);
- if (fd < 0)
- return -1;
- emacs_close (fd);
-
- filename = (char *) SDATA (found);
-
- hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE);
-
- if (hinst == NULL)
- return -1;
-
-
- result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
- filename, &width, &height, &bitmap, &xhot, &yhot);
- if (result != BitmapSuccess)
- return -1;
-
- id = x_allocate_bitmap_record (f);
- dpyinfo->bitmaps[id - 1].pixmap = bitmap;
- dpyinfo->bitmaps[id - 1].refcount = 1;
- dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (SCHARS (file) + 1);
- dpyinfo->bitmaps[id - 1].depth = 1;
- dpyinfo->bitmaps[id - 1].height = height;
- dpyinfo->bitmaps[id - 1].width = width;
- strcpy (dpyinfo->bitmaps[id - 1].file, SDATA (file));
-
- return id;
-#endif /* TODO */
-}
-
-/* Remove reference to bitmap with id number ID. */
-
-void
-x_destroy_bitmap (f, id)
- FRAME_PTR f;
- int id;
-{
- struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
-
- if (id > 0)
- {
- --dpyinfo->bitmaps[id - 1].refcount;
- if (dpyinfo->bitmaps[id - 1].refcount == 0)
- {
- BLOCK_INPUT;
- DeleteObject (dpyinfo->bitmaps[id - 1].pixmap);
- if (dpyinfo->bitmaps[id - 1].file)
- {
- xfree (dpyinfo->bitmaps[id - 1].file);
- dpyinfo->bitmaps[id - 1].file = NULL;
- }
- UNBLOCK_INPUT;
- }
- }
-}
-
-/* Free all the bitmaps for the display specified by DPYINFO. */
-
-static void
-x_destroy_all_bitmaps (dpyinfo)
- struct w32_display_info *dpyinfo;
-{
- int i;
- for (i = 0; i < dpyinfo->bitmaps_last; i++)
- if (dpyinfo->bitmaps[i].refcount > 0)
- {
- DeleteObject (dpyinfo->bitmaps[i].pixmap);
- if (dpyinfo->bitmaps[i].file)
- xfree (dpyinfo->bitmaps[i].file);
- }
- dpyinfo->bitmaps_last = 0;
-}
-\f
-BOOL my_show_window P_ ((struct frame *, HWND, int));
-void my_set_window_pos P_ ((HWND, HWND, int, int, int, int, UINT));
static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
+static void my_create_window P_ ((struct frame *));
+static void my_create_tip_window P_ ((struct frame *));
/* TODO: Native Input Method support; see x_create_im. */
void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
CHECK_NUMBER (blue);
CHECK_STRING (name);
- XSET (rgb, Lisp_Int, RGB(XUINT (red), XUINT (green), XUINT (blue)));
+ XSETINT (rgb, RGB(XUINT (red), XUINT (green), XUINT (blue)));
BLOCK_INPUT;
return Qnil;
}
-COLORREF
+static Lisp_Object
w32_color_map_lookup (colorname)
char *colorname;
{
if (lstrcmpi (SDATA (tem), colorname) == 0)
{
- ret = XUINT (Fcdr (elt));
+ ret = Fcdr (elt);
break;
}
}
-COLORREF
+static Lisp_Object
x_to_w32_color (colorname)
char * colorname;
{
if (i == 2)
{
UNBLOCK_INPUT;
- return (colorval);
+ XSETINT (ret, colorval);
+ return ret;
}
color = end;
}
if (*end != '\0')
break;
UNBLOCK_INPUT;
- return (colorval);
+ XSETINT (ret, colorval);
+ return ret;
}
if (*end != '/')
break;
if (*end != '\0')
break;
UNBLOCK_INPUT;
- return (colorval);
+ XSETINT (ret, colorval);
+ return ret;
}
if (*end != '/')
break;
#define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255)
#define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8)
+#define RAW_HOTKEY_ID(k) ((k) & 0xbfff)
+#define RAW_HOTKEY_VK_CODE(k) ((k) & 255)
+#define RAW_HOTKEY_MODIFIERS(k) ((k) >> 8)
+
/* Register hot-keys for reserved key combinations when Emacs has
keyboard focus, since this is the only way Emacs can receive key
combinations like Alt-Tab which are used by the system. */
focus_window = GetFocus ();
if (focus_window != NULL)
RegisterHotKey (focus_window,
- HOTKEY_ID (msg.wParam),
- HOTKEY_MODIFIERS (msg.wParam),
- HOTKEY_VK_CODE (msg.wParam));
+ RAW_HOTKEY_ID (msg.wParam),
+ RAW_HOTKEY_MODIFIERS (msg.wParam),
+ RAW_HOTKEY_VK_CODE (msg.wParam));
/* Reply is not expected. */
break;
case WM_EMACS_UNREGISTER_HOT_KEY:
focus_window = GetFocus ();
if (focus_window != NULL)
- UnregisterHotKey (focus_window, HOTKEY_ID (msg.wParam));
+ UnregisterHotKey (focus_window, RAW_HOTKEY_ID (msg.wParam));
/* Mark item as erased. NB: this code must be
thread-safe. The next line is okay because the cons
cell is never made into garbage and is not relocated by
GC. */
- XSETCAR ((Lisp_Object) msg.lParam, Qnil);
+ XSETCAR ((Lisp_Object) ((EMACS_INT) msg.lParam), Qnil);
if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
abort ();
break;
{
int vk_code = (int) msg.wParam;
int cur_state = (GetKeyState (vk_code) & 1);
- Lisp_Object new_state = (Lisp_Object) msg.lParam;
+ Lisp_Object new_state = (Lisp_Object) ((EMACS_INT) msg.lParam);
/* NB: This code must be thread-safe. It is safe to
call NILP because symbols are not relocated by GC,
return 0;
}
+static void
+signal_user_input ()
+{
+ /* Interrupt any lisp that wants to be interrupted by input. */
+ if (!NILP (Vthrow_on_input))
+ {
+ Vquit_flag = Vthrow_on_input;
+ /* If we're inside a function that wants immediate quits,
+ do it now. */
+ if (immediate_quit && NILP (Vinhibit_quit))
+ {
+ immediate_quit = 0;
+ QUIT;
+ }
+ }
+}
+
+
static void
post_character_message (hwnd, msg, wParam, lParam, modifiers)
HWND hwnd;
c = make_ctrl_char (c) & 0377;
if (c == quit_char
|| (wmsg.dwModifiers == 0 &&
- XFASTINT (Vw32_quit_key) && wParam == XFASTINT (Vw32_quit_key)))
+ w32_quit_key && wParam == w32_quit_key))
{
Vquit_flag = Qt;
to receive C-g to interrupt the lisp thread. */
cancel_all_deferred_msgs ();
}
+ else
+ signal_user_input ();
}
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
are used together, but only if user has two button mouse. */
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
- if (XINT (Vw32_num_mouse_buttons) > 2)
+ if (w32_num_mouse_buttons > 2)
goto handle_plain_button;
{
/* Hold onto message for now. */
mouse_button_timer =
SetTimer (hwnd, MOUSE_BUTTON_ID,
- XINT (Vw32_mouse_button_tolerance), NULL);
+ w32_mouse_button_tolerance, NULL);
saved_mouse_button_msg.msg.hwnd = hwnd;
saved_mouse_button_msg.msg.message = msg;
saved_mouse_button_msg.msg.wParam = wParam;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
- if (XINT (Vw32_num_mouse_buttons) > 2)
+ if (w32_num_mouse_buttons > 2)
goto handle_plain_button;
{
BOOL up;
int button;
+ /* Ignore middle and extra buttons as long as the menu is active. */
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f && f->output_data.w32->menubar_active)
+ return 0;
+
if (parse_button (msg, HIWORD (wParam), &button, &up))
{
if (up) ReleaseCapture ();
wmsg.dwModifiers = w32_get_modifiers ();
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ signal_user_input ();
/* Need to return true for XBUTTON messages, false for others,
to indicate that we processed the message. */
return (msg == WM_XBUTTONDOWN || msg == WM_XBUTTONUP);
case WM_MOUSEMOVE:
+ /* Ignore mouse movements as long as the menu is active. These
+ movements are processed by the window manager anyway, and
+ it's wrong to handle them as if they happened on the
+ underlying frame. */
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f && f->output_data.w32->menubar_active)
+ return 0;
+
/* If the mouse has just moved into the frame, start tracking
it, so we will be notified when it leaves the frame. Mouse
tracking only works under W98 and NT4 and later. On earlier
track_mouse_window = hwnd;
}
case WM_VSCROLL:
- if (XINT (Vw32_mouse_move_interval) <= 0
+ if (w32_mouse_move_interval <= 0
|| (msg == WM_MOUSEMOVE && button_state == 0))
{
wmsg.dwModifiers = w32_get_modifiers ();
if (saved_mouse_move_msg.msg.hwnd == 0)
mouse_move_timer =
SetTimer (hwnd, MOUSE_MOVE_ID,
- XINT (Vw32_mouse_move_interval), NULL);
+ w32_mouse_move_interval, NULL);
/* Hold onto message for now. */
saved_mouse_move_msg.msg.hwnd = hwnd;
case WM_MOUSEWHEEL:
wmsg.dwModifiers = w32_get_modifiers ();
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ signal_user_input ();
return 0;
case WM_DROPFILES:
wmsg.dwModifiers = w32_get_modifiers ();
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ signal_user_input ();
return 0;
case WM_TIMER:
if (saved_mouse_button_msg.msg.hwnd)
{
post_msg (&saved_mouse_button_msg);
+ signal_user_input ();
saved_mouse_button_msg.msg.hwnd = 0;
}
KillTimer (hwnd, mouse_button_timer);
pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE);
if (title)
{
- GetTextExtentPoint32 (hdc, title, strlen (title), &size);
+ if (unicode_append_menu)
+ GetTextExtentPoint32W (hdc, (WCHAR *) title,
+ wcslen ((WCHAR *) title),
+ &size);
+ else
+ GetTextExtentPoint32 (hdc, title, strlen (title), &size);
+
pMis->itemWidth = size.cx;
if (pMis->itemHeight < size.cy)
pMis->itemHeight = size.cy;
menu_font = CreateFontIndirect (&menu_logfont);
old_font = SelectObject (hdc, menu_font);
- /* Always draw title as if not selected. */
- ExtTextOut (hdc,
- pDis->rcItem.left
- + GetSystemMetrics (SM_CXMENUCHECK),
- pDis->rcItem.top,
- ETO_OPAQUE, &pDis->rcItem,
- title, strlen (title), NULL);
+ /* Always draw title as if not selected. */
+ if (unicode_append_menu)
+ ExtTextOutW (hdc,
+ pDis->rcItem.left
+ + GetSystemMetrics (SM_CXMENUCHECK),
+ pDis->rcItem.top,
+ ETO_OPAQUE, &pDis->rcItem,
+ (WCHAR *) title,
+ wcslen ((WCHAR *) title), NULL);
+ else
+ ExtTextOut (hdc,
+ pDis->rcItem.left
+ + GetSystemMetrics (SM_CXMENUCHECK),
+ pDis->rcItem.top,
+ ETO_OPAQUE, &pDis->rcItem,
+ title, strlen (title), NULL);
SelectObject (hdc, old_font);
DeleteObject (menu_font);
{
wmsg.dwModifiers = w32_get_modifiers ();
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ signal_user_input ();
return 0;
}
return 0;
}
-void
+static void
my_create_window (f)
struct frame * f;
{
indirectly via the Window thread, as we do not need to process Window
messages for the tooltip. Creating tooltips indirectly also creates
deadlocks when tooltips are created for menu items. */
-void
+static void
my_create_tip_window (f)
struct frame *f;
{
1, 1, 0,
doc: /* Make a new window, which is called a \"frame\" in Emacs terms.
Returns an Emacs frame object.
-ALIST is an alist of frame parameters.
+PARAMETERS is an alist of frame parameters.
If the parameters specify that the frame should not have a minibuffer,
and do not specify a specific minibuffer window to use,
then `default-minibuffer-frame' must be a frame whose minibuffer can
be shared by the new frame.
This function is an internal primitive--use `make-frame' instead. */)
- (parms)
- Lisp_Object parms;
+ (parameters)
+ Lisp_Object parameters;
{
struct frame *f;
Lisp_Object frame, tem;
until we know if this frame has a specified name. */
Vx_resource_name = Vinvocation_name;
- display = w32_get_arg (parms, Qdisplay, 0, 0, RES_TYPE_STRING);
+ display = w32_get_arg (parameters, Qdisplay, 0, 0, RES_TYPE_STRING);
if (EQ (display, Qunbound))
display = Qnil;
dpyinfo = check_x_display_info (display);
kb = &the_only_kboard;
#endif
- name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING);
+ name = w32_get_arg (parameters, Qname, "name", "Name", RES_TYPE_STRING);
if (!STRINGP (name)
&& ! EQ (name, Qunbound)
&& ! NILP (name))
Vx_resource_name = name;
/* See if parent window is specified. */
- parent = w32_get_arg (parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
+ parent = w32_get_arg (parameters, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
if (EQ (parent, Qunbound))
parent = Qnil;
if (! NILP (parent))
/* No need to protect DISPLAY because that's not used after passing
it to make_frame_without_minibuffer. */
frame = Qnil;
- GCPRO4 (parms, parent, name, frame);
- tem = w32_get_arg (parms, Qminibuffer, "minibuffer", "Minibuffer",
+ GCPRO4 (parameters, parent, name, frame);
+ tem = w32_get_arg (parameters, Qminibuffer, "minibuffer", "Minibuffer",
RES_TYPE_SYMBOL);
if (EQ (tem, Qnone) || NILP (tem))
f = make_frame_without_minibuffer (Qnil, kb, display);
record_unwind_protect (unwind_create_frame, frame);
f->icon_name
- = w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
+ = w32_get_arg (parameters, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
if (! STRINGP (f->icon_name))
f->icon_name = Qnil;
{
Lisp_Object font;
- font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
+ font = w32_get_arg (parameters, Qfont, "font", "Font", RES_TYPE_STRING);
BLOCK_INPUT;
/* First, try whatever font the caller has specified. */
if (! STRINGP (font))
font = build_string ("Fixedsys");
- x_default_parameter (f, parms, Qfont, font,
+ x_default_parameter (f, parameters, Qfont, font,
"font", "Font", RES_TYPE_STRING);
}
- x_default_parameter (f, parms, Qborder_width, make_number (2),
+ x_default_parameter (f, parameters, Qborder_width, make_number (2),
"borderWidth", "BorderWidth", RES_TYPE_NUMBER);
/* This defaults to 2 in order to match xterm. We recognize either
internalBorderWidth or internalBorder (which is what xterm calls
it). */
- if (NILP (Fassq (Qinternal_border_width, parms)))
+ if (NILP (Fassq (Qinternal_border_width, parameters)))
{
Lisp_Object value;
- value = w32_get_arg (parms, Qinternal_border_width,
- "internalBorder", "InternalBorder", RES_TYPE_NUMBER);
+ value = w32_get_arg (parameters, Qinternal_border_width,
+ "internalBorder", "InternalBorder", RES_TYPE_NUMBER);
if (! EQ (value, Qunbound))
- parms = Fcons (Fcons (Qinternal_border_width, value),
- parms);
+ parameters = Fcons (Fcons (Qinternal_border_width, value),
+ parameters);
}
/* Default internalBorderWidth to 0 on Windows to match other programs. */
- x_default_parameter (f, parms, Qinternal_border_width, make_number (0),
+ x_default_parameter (f, parameters, Qinternal_border_width, make_number (0),
"internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER);
- x_default_parameter (f, parms, Qvertical_scroll_bars, Qright,
+ x_default_parameter (f, parameters, Qvertical_scroll_bars, Qright,
"verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL);
/* Also do the stuff which must be set before the window exists. */
- x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
+ x_default_parameter (f, parameters, Qforeground_color, build_string ("black"),
"foreground", "Foreground", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
+ x_default_parameter (f, parameters, Qbackground_color, build_string ("white"),
"background", "Background", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
+ x_default_parameter (f, parameters, Qmouse_color, build_string ("black"),
"pointerColor", "Foreground", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
+ x_default_parameter (f, parameters, Qcursor_color, build_string ("black"),
"cursorColor", "Foreground", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qborder_color, build_string ("black"),
+ x_default_parameter (f, parameters, Qborder_color, build_string ("black"),
"borderColor", "BorderColor", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qscreen_gamma, Qnil,
+ x_default_parameter (f, parameters, Qscreen_gamma, Qnil,
"screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
- x_default_parameter (f, parms, Qline_spacing, Qnil,
+ x_default_parameter (f, parameters, Qline_spacing, Qnil,
"lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
- x_default_parameter (f, parms, Qleft_fringe, Qnil,
+ x_default_parameter (f, parameters, Qleft_fringe, Qnil,
"leftFringe", "LeftFringe", RES_TYPE_NUMBER);
- x_default_parameter (f, parms, Qright_fringe, Qnil,
+ x_default_parameter (f, parameters, Qright_fringe, Qnil,
"rightFringe", "RightFringe", RES_TYPE_NUMBER);
happen. */
init_frame_faces (f);
- x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1),
+ x_default_parameter (f, parameters, Qmenu_bar_lines, make_number (1),
"menuBar", "MenuBar", RES_TYPE_NUMBER);
- x_default_parameter (f, parms, Qtool_bar_lines, make_number (1),
+ x_default_parameter (f, parameters, Qtool_bar_lines, make_number (1),
"toolBar", "ToolBar", RES_TYPE_NUMBER);
- x_default_parameter (f, parms, Qbuffer_predicate, Qnil,
+ x_default_parameter (f, parameters, Qbuffer_predicate, Qnil,
"bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL);
- x_default_parameter (f, parms, Qtitle, Qnil,
+ x_default_parameter (f, parameters, Qtitle, Qnil,
"title", "Title", RES_TYPE_STRING);
- x_default_parameter (f, parms, Qfullscreen, Qnil,
+ x_default_parameter (f, parameters, Qfullscreen, Qnil,
"fullscreen", "Fullscreen", RES_TYPE_SYMBOL);
f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW;
f->output_data.w32->hourglass_cursor = w32_load_cursor (IDC_WAIT);
f->output_data.w32->horizontal_drag_cursor = w32_load_cursor (IDC_SIZEWE);
- window_prompting = x_figure_window_size (f, parms, 1);
+ window_prompting = x_figure_window_size (f, parameters, 1);
- tem = w32_get_arg (parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
+ tem = w32_get_arg (parameters, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
f->no_split = minibuffer_only || EQ (tem, Qt);
w32_window (f, window_prompting, minibuffer_only);
- x_icon (f, parms);
+ x_icon (f, parameters);
x_make_gc (f);
/* We need to do this after creating the window, so that the
icon-creation functions can say whose icon they're describing. */
- x_default_parameter (f, parms, Qicon_type, Qnil,
+ x_default_parameter (f, parameters, Qicon_type, Qnil,
"bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL);
- x_default_parameter (f, parms, Qauto_raise, Qnil,
+ x_default_parameter (f, parameters, Qauto_raise, Qnil,
"autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
- x_default_parameter (f, parms, Qauto_lower, Qnil,
+ x_default_parameter (f, parameters, Qauto_lower, Qnil,
"autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
- x_default_parameter (f, parms, Qcursor_type, Qbox,
+ x_default_parameter (f, parameters, Qcursor_type, Qbox,
"cursorType", "CursorType", RES_TYPE_SYMBOL);
- x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
+ x_default_parameter (f, parameters, Qscroll_bar_width, Qnil,
"scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER);
/* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
x_wm_set_size_hint (f, window_prompting, 0);
UNBLOCK_INPUT;
- /* Avoid a bug that causes the new frame to never become visible if
- an echo area message is displayed during the following call1. */
- specbind(Qredisplay_dont_pause, Qt);
-
- /* Set up faces after all frame parameters are known. This call
- also merges in face attributes specified for new frames. If we
- don't do this, the `menu' face for instance won't have the right
- colors, and the menu bar won't appear in the specified colors for
- new frames. */
- call1 (Qface_set_after_frame_default, frame);
-
/* Make the window appear on the frame and enable display, unless
the caller says not to. However, with explicit parent, Emacs
cannot control visibility, so don't try. */
{
Lisp_Object visibility;
- visibility = w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
+ visibility = w32_get_arg (parameters, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
if (EQ (visibility, Qunbound))
visibility = Qt;
/* Fill out details in lf according to the font that was
actually loaded. */
lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight;
- lf.lfWidth = font->tm.tmAveCharWidth;
+ lf.lfWidth = font->tm.tmMaxCharWidth;
lf.lfWeight = font->tm.tmWeight;
lf.lfItalic = font->tm.tmItalic;
lf.lfCharSet = font->tm.tmCharSet;
fontp->name = (char *) xmalloc (strlen (fontname) + 1);
bcopy (fontname, fontp->name, strlen (fontname) + 1);
+ if (lf.lfPitchAndFamily == FIXED_PITCH)
+ {
+ /* Fixed width font. */
+ fontp->average_width = fontp->space_width = FONT_WIDTH (font);
+ }
+ else
+ {
+ wchar_t space = 32;
+ XCharStruct* pcm;
+ pcm = w32_per_char_metric (font, &space, ANSI_FONT);
+ if (pcm)
+ fontp->space_width = pcm->width;
+ else
+ fontp->space_width = FONT_WIDTH (font);
+
+ fontp->average_width = font->tm.tmAveCharWidth;
+ }
+
charset = xlfd_charset_of_font (fontname);
/* Cache the W32 codepage for a font. This makes w32_encode_char
{
Lisp_Object bdf_fonts;
struct font_info *retval = NULL;
+ struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
bdf_fonts = w32_list_bdf_fonts (build_string (fontname), 1);
{
char *bdf_name, *bdf_file;
Lisp_Object bdf_pair;
+ int i;
bdf_name = SDATA (XCAR (bdf_fonts));
bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist);
bdf_file = SDATA (XCDR (bdf_pair));
+ // If the font is already loaded, do not load it again.
+ for (i = 0; i < dpyinfo->n_fonts; i++)
+ {
+ if ((dpyinfo->font_table[i].name
+ && !strcmp (dpyinfo->font_table[i].name, bdf_name))
+ || (dpyinfo->font_table[i].full_name
+ && !strcmp (dpyinfo->font_table[i].full_name, bdf_name)))
+ return dpyinfo->font_table + i;
+ }
+
retval = w32_load_bdf_font (f, bdf_name, size, bdf_file);
bdf_fonts = XCDR (bdf_fonts);
w32_charset = Fcar (Fcdr (this_entry));
/* Translate Lisp symbol to number. */
- if (w32_charset == Qw32_charset_ansi)
+ if (EQ (w32_charset, Qw32_charset_ansi))
return ANSI_CHARSET;
- if (w32_charset == Qw32_charset_symbol)
+ if (EQ (w32_charset, Qw32_charset_symbol))
return SYMBOL_CHARSET;
- if (w32_charset == Qw32_charset_shiftjis)
+ if (EQ (w32_charset, Qw32_charset_shiftjis))
return SHIFTJIS_CHARSET;
- if (w32_charset == Qw32_charset_hangeul)
+ if (EQ (w32_charset, Qw32_charset_hangeul))
return HANGEUL_CHARSET;
- if (w32_charset == Qw32_charset_chinesebig5)
+ if (EQ (w32_charset, Qw32_charset_chinesebig5))
return CHINESEBIG5_CHARSET;
- if (w32_charset == Qw32_charset_gb2312)
+ if (EQ (w32_charset, Qw32_charset_gb2312))
return GB2312_CHARSET;
- if (w32_charset == Qw32_charset_oem)
+ if (EQ (w32_charset, Qw32_charset_oem))
return OEM_CHARSET;
#ifdef JOHAB_CHARSET
- if (w32_charset == Qw32_charset_johab)
+ if (EQ (w32_charset, Qw32_charset_johab))
return JOHAB_CHARSET;
- if (w32_charset == Qw32_charset_easteurope)
+ if (EQ (w32_charset, Qw32_charset_easteurope))
return EASTEUROPE_CHARSET;
- if (w32_charset == Qw32_charset_turkish)
+ if (EQ (w32_charset, Qw32_charset_turkish))
return TURKISH_CHARSET;
- if (w32_charset == Qw32_charset_baltic)
+ if (EQ (w32_charset, Qw32_charset_baltic))
return BALTIC_CHARSET;
- if (w32_charset == Qw32_charset_russian)
+ if (EQ (w32_charset, Qw32_charset_russian))
return RUSSIAN_CHARSET;
- if (w32_charset == Qw32_charset_arabic)
+ if (EQ (w32_charset, Qw32_charset_arabic))
return ARABIC_CHARSET;
- if (w32_charset == Qw32_charset_greek)
+ if (EQ (w32_charset, Qw32_charset_greek))
return GREEK_CHARSET;
- if (w32_charset == Qw32_charset_hebrew)
+ if (EQ (w32_charset, Qw32_charset_hebrew))
return HEBREW_CHARSET;
- if (w32_charset == Qw32_charset_vietnamese)
+ if (EQ (w32_charset, Qw32_charset_vietnamese))
return VIETNAMESE_CHARSET;
- if (w32_charset == Qw32_charset_thai)
+ if (EQ (w32_charset, Qw32_charset_thai))
return THAI_CHARSET;
- if (w32_charset == Qw32_charset_mac)
+ if (EQ (w32_charset, Qw32_charset_mac))
return MAC_CHARSET;
#endif /* JOHAB_CHARSET */
#ifdef UNICODE_CHARSET
- if (w32_charset == Qw32_charset_unicode)
+ if (EQ (w32_charset, Qw32_charset_unicode))
return UNICODE_CHARSET;
#endif
/* Look for Same charset and a valid codepage (or non-int
which means ignore). */
- if (w32_charset == charset_type
- && (!INTEGERP (codepage) || codepage == CP_DEFAULT
+ if (EQ (w32_charset, charset_type)
+ && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
|| IsValidCodePage (XINT (codepage))))
{
/* If we don't have a match already, then this is the
/* Look for Same charset and a valid codepage (or non-int
which means ignore). */
- if (w32_charset == charset_type
- && (!INTEGERP (codepage) || codepage == CP_DEFAULT
+ if (EQ (w32_charset, charset_type)
+ && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
|| IsValidCodePage (XINT (codepage))))
{
retval = Fcons (x_charset, retval);
strcpy (height_pixels, "*");
strcpy (height_dpi, "*");
}
+
+#if 0 /* Never put the width in the xfld. It fails on fonts with
+ double-width characters. */
if (lplogfont->lfWidth)
sprintf (width_pixels, "%u", lplogfont->lfWidth * 10);
else
+#endif
strcpy (width_pixels, "*");
_snprintf (lpxstr, len - 1,
setup_coding_system
(Fcheck_coding_system (Vlocale_coding_system), &coding);
coding.src_multibyte = 1;
- coding.dst_multibyte = 1;
+ coding.dst_multibyte = 0;
+ /* Need to set COMPOSITION_DISABLED, otherwise Emacs crashes in
+ encode_coding_iso2022 trying to dereference a null pointer. */
+ coding.composing = COMPOSITION_DISABLED;
+ if (coding.type == coding_type_iso2022)
+ coding.flags |= CODING_FLAG_ISO_SAFE;
bufsize = encoding_buffer_size (&coding, strlen (name));
buf = (unsigned char *) alloca (bufsize);
coding.mode |= CODING_MODE_LAST_BLOCK;
char * fontname;
char * pattern;
{
- char *regex = alloca (strlen (pattern) * 2 + 3);
- char *font_name_copy = alloca (strlen (fontname) + 1);
char *ptr;
+ char *font_name_copy;
+ char *regex = alloca (strlen (pattern) * 2 + 3);
- /* Copy fontname so we can modify it during comparison. */
+ font_name_copy = alloca (strlen (fontname) + 1);
strcpy (font_name_copy, fontname);
ptr = regex;
return FALSE;
}
- return (fast_c_string_match_ignore_case (build_string (regex),
- font_name_copy) >= 0);
+ return (fast_string_match_ignore_case (build_string (regex),
+ build_string(font_name_copy)) >= 0);
}
/* Callback functions, and a structure holding info they need, for
}
}
+/* directory-files from dired.c. */
+Lisp_Object Fdirectory_files P_((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object));
+
\f
/* Find BDF files in a specified directory. (use GCPRO when calling,
as this calls lisp to get a directory listing). */
return Qnil;
filelist = Fdirectory_files (directory, Qt,
- build_string (".*\\.[bB][dD][fF]"), Qt);
+ build_string (".*\\.[bB][dD][fF]"), Qt);
for ( ; CONSP(filelist); filelist = XCDR (filelist))
{
DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts,
1, 1, 0,
- doc: /* Return a list of BDF fonts in DIR.
-The list is suitable for appending to w32-bdf-filename-alist. Fonts
-which do not contain an xlfd description will not be included in the
-list. DIR may be a list of directories. */)
+ doc: /* Return a list of BDF fonts in DIRECTORY.
+The list is suitable for appending to `w32-bdf-filename-alist'.
+Fonts which do not contain an xlfd description will not be included
+in the list. DIRECTORY may be a list of directories. */)
(directory)
Lisp_Object directory;
{
DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p,
Sx_display_grayscale_p, 0, 1, 0,
- doc: /* Return t if the X display supports shades of gray.
+ doc: /* Return t if DISPLAY supports shades of gray.
Note that color displays do support shades of gray.
The optional argument DISPLAY specifies which display to ask about.
DISPLAY should be either a frame or a display name (a string).
hdc = GetDC (dpyinfo->root_window);
if (dpyinfo->has_palette)
- cap = GetDeviceCaps (hdc,SIZEPALETTE);
+ cap = GetDeviceCaps (hdc, SIZEPALETTE);
else
- cap = GetDeviceCaps (hdc,NUMCOLORS);
+ cap = GetDeviceCaps (hdc, NUMCOLORS);
/* We force 24+ bit depths to 24-bit, both to prevent an overflow
and because probably is more meaningful on Windows anyway */
}
DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0,
- doc: /* Returns the vendor ID string of the W32 system (Microsoft).
+ doc: /* Returns the "vendor ID" string of the W32 system (Microsoft).
The optional argument DISPLAY specifies which display to ask about.
DISPLAY should be either a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display. */)
DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
doc: /* Returns the version numbers of the server of DISPLAY.
The value is a list of three integers: the major and minor
-version numbers, and the vendor-specific release
+version numbers of the X Protocol in use, and the distributor-specific release
number. See also the function `x-server-vendor'.
The optional argument DISPLAY specifies which display to ask about.
return Qnil;
}
+
\f
/***********************************************************************
- Image types
+ Window properties
***********************************************************************/
-/* Value is the number of elements of vector VECTOR. */
+DEFUN ("x-change-window-property", Fx_change_window_property,
+ Sx_change_window_property, 2, 6, 0,
+ doc: /* Change window property PROP to VALUE on the X window of FRAME.
+VALUE may be a string or a list of conses, numbers and/or strings.
+If an element in the list is a string, it is converted to
+an Atom and the value of the Atom is used. If an element is a cons,
+it is converted to a 32 bit number where the car is the 16 top bits and the
+cdr is the lower 16 bits.
+FRAME nil or omitted means use the selected frame.
+If TYPE is given and non-nil, it is the name of the type of VALUE.
+If TYPE is not given or nil, the type is STRING.
+FORMAT gives the size in bits of each element if VALUE is a list.
+It must be one of 8, 16 or 32.
+If VALUE is a string or FORMAT is nil or not given, FORMAT defaults to 8.
+If OUTER_P is non-nil, the property is changed for the outer X window of
+FRAME. Default is to change on the edit X window.
+
+Value is VALUE. */)
+ (prop, value, frame, type, format, outer_p)
+ Lisp_Object prop, value, frame, type, format, outer_p;
+{
+#if 0 /* TODO : port window properties to W32 */
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
-#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
+ CHECK_STRING (prop);
+ CHECK_STRING (value);
-/* List of supported image types. Use define_image_type to add new
- types. Use lookup_image_type to find a type for a given symbol. */
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
+ XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
+ prop_atom, XA_STRING, 8, PropModeReplace,
+ SDATA (value), SCHARS (value));
-static struct image_type *image_types;
+ /* Make sure the property is set when we return. */
+ XFlush (FRAME_W32_DISPLAY (f));
+ UNBLOCK_INPUT;
-/* The symbol `image' which is the car of the lists used to represent
- images in Lisp. */
+#endif /* TODO */
-extern Lisp_Object Qimage;
+ return value;
+}
-/* The symbol `xbm' which is used as the type symbol for XBM images. */
-Lisp_Object Qxbm;
+DEFUN ("x-delete-window-property", Fx_delete_window_property,
+ Sx_delete_window_property, 1, 2, 0,
+ doc: /* Remove window property PROP from X window of FRAME.
+FRAME nil or omitted means use the selected frame. Value is PROP. */)
+ (prop, frame)
+ Lisp_Object prop, frame;
+{
+#if 0 /* TODO : port window properties to W32 */
-/* Keywords. */
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
-extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
-extern Lisp_Object QCdata, QCtype;
-Lisp_Object QCascent, QCmargin, QCrelief;
-Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask;
-Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask;
+ CHECK_STRING (prop);
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
+ XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
-/* Other symbols. */
+ /* Make sure the property is removed when we return. */
+ XFlush (FRAME_W32_DISPLAY (f));
+ UNBLOCK_INPUT;
+#endif /* TODO */
-Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic;
+ return prop;
+}
-/* Time in seconds after which images should be removed from the cache
- if not displayed. */
-Lisp_Object Vimage_cache_eviction_delay;
+DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
+ 1, 2, 0,
+ doc: /* Value is the value of window property PROP on FRAME.
+If FRAME is nil or omitted, use the selected frame. Value is nil
+if FRAME hasn't a property with name PROP or if PROP has no string
+value. */)
+ (prop, frame)
+ Lisp_Object prop, frame;
+{
+#if 0 /* TODO : port window properties to W32 */
-/* Function prototypes. */
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+ int rc;
+ Lisp_Object prop_value = Qnil;
+ char *tmp_data = NULL;
+ Atom actual_type;
+ int actual_format;
+ unsigned long actual_size, bytes_remaining;
-static void define_image_type P_ ((struct image_type *type));
-static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
-static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
-static void x_laplace P_ ((struct frame *, struct image *));
-static void x_emboss P_ ((struct frame *, struct image *));
-static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
- Lisp_Object));
+ CHECK_STRING (prop);
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
+ rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
+ prop_atom, 0, 0, False, XA_STRING,
+ &actual_type, &actual_format, &actual_size,
+ &bytes_remaining, (unsigned char **) &tmp_data);
+ if (rc == Success)
+ {
+ int size = bytes_remaining;
+ XFree (tmp_data);
+ tmp_data = NULL;
-/* Define a new image type from TYPE. This adds a copy of TYPE to
- image_types and adds the symbol *TYPE->type to Vimage_types. */
+ rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
+ prop_atom, 0, bytes_remaining,
+ False, XA_STRING,
+ &actual_type, &actual_format,
+ &actual_size, &bytes_remaining,
+ (unsigned char **) &tmp_data);
+ if (rc == Success)
+ prop_value = make_string (tmp_data, size);
-static void
-define_image_type (type)
- struct image_type *type;
-{
- /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
- The initialized data segment is read-only. */
- struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
- bcopy (type, p, sizeof *p);
- p->next = image_types;
- image_types = p;
- Vimage_types = Fcons (*p->type, Vimage_types);
-}
+ XFree (tmp_data);
+ }
+ UNBLOCK_INPUT;
-/* Look up image type SYMBOL, and return a pointer to its image_type
- structure. Value is null if SYMBOL is not a known image type. */
-
-static INLINE struct image_type *
-lookup_image_type (symbol)
- Lisp_Object symbol;
-{
- struct image_type *type;
-
- for (type = image_types; type; type = type->next)
- if (EQ (symbol, *type->type))
- break;
-
- return type;
-}
-
-
-/* Value is non-zero if OBJECT is a valid Lisp image specification. A
- valid image specification is a list whose car is the symbol
- `image', and whose rest is a property list. The property list must
- contain a value for key `:type'. That value must be the name of a
- supported image type. The rest of the property list depends on the
- image type. */
-
-int
-valid_image_p (object)
- Lisp_Object object;
-{
- int valid_p = 0;
-
- if (CONSP (object) && EQ (XCAR (object), Qimage))
- {
- Lisp_Object tem;
-
- for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem))
- if (EQ (XCAR (tem), QCtype))
- {
- tem = XCDR (tem);
- if (CONSP (tem) && SYMBOLP (XCAR (tem)))
- {
- struct image_type *type;
- type = lookup_image_type (XCAR (tem));
- if (type)
- valid_p = type->valid_p (object);
- }
-
- break;
- }
- }
-
- return valid_p;
-}
-
-
-/* Log error message with format string FORMAT and argument ARG.
- Signaling an error, e.g. when an image cannot be loaded, is not a
- good idea because this would interrupt redisplay, and the error
- message display would lead to another redisplay. This function
- therefore simply displays a message. */
-
-static void
-image_error (format, arg1, arg2)
- char *format;
- Lisp_Object arg1, arg2;
-{
- add_to_log (format, arg1, arg2);
-}
-
-
-\f
-/***********************************************************************
- Image specifications
- ***********************************************************************/
-
-enum image_value_type
-{
- IMAGE_DONT_CHECK_VALUE_TYPE,
- IMAGE_STRING_VALUE,
- IMAGE_STRING_OR_NIL_VALUE,
- IMAGE_SYMBOL_VALUE,
- IMAGE_POSITIVE_INTEGER_VALUE,
- IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR,
- IMAGE_NON_NEGATIVE_INTEGER_VALUE,
- IMAGE_ASCENT_VALUE,
- IMAGE_INTEGER_VALUE,
- IMAGE_FUNCTION_VALUE,
- IMAGE_NUMBER_VALUE,
- IMAGE_BOOL_VALUE
-};
-
-/* Structure used when parsing image specifications. */
-
-struct image_keyword
-{
- /* Name of keyword. */
- char *name;
-
- /* The type of value allowed. */
- enum image_value_type type;
-
- /* Non-zero means key must be present. */
- int mandatory_p;
-
- /* Used to recognize duplicate keywords in a property list. */
- int count;
-
- /* The value that was found. */
- Lisp_Object value;
-};
-
-
-static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *,
- int, Lisp_Object));
-static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
-
-
-/* Parse image spec SPEC according to KEYWORDS. A valid image spec
- has the format (image KEYWORD VALUE ...). One of the keyword/
- value pairs must be `:type TYPE'. KEYWORDS is a vector of
- image_keywords structures of size NKEYWORDS describing other
- allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
-
-static int
-parse_image_spec (spec, keywords, nkeywords, type)
- Lisp_Object spec;
- struct image_keyword *keywords;
- int nkeywords;
- Lisp_Object type;
-{
- int i;
- Lisp_Object plist;
-
- if (!CONSP (spec) || !EQ (XCAR (spec), Qimage))
- return 0;
-
- plist = XCDR (spec);
- while (CONSP (plist))
- {
- Lisp_Object key, value;
-
- /* First element of a pair must be a symbol. */
- key = XCAR (plist);
- plist = XCDR (plist);
- if (!SYMBOLP (key))
- return 0;
-
- /* There must follow a value. */
- if (!CONSP (plist))
- return 0;
- value = XCAR (plist);
- plist = XCDR (plist);
-
- /* Find key in KEYWORDS. Error if not found. */
- for (i = 0; i < nkeywords; ++i)
- if (strcmp (keywords[i].name, SDATA (SYMBOL_NAME (key))) == 0)
- break;
-
- if (i == nkeywords)
- continue;
-
- /* Record that we recognized the keyword. If a keywords
- was found more than once, it's an error. */
- keywords[i].value = value;
- ++keywords[i].count;
-
- if (keywords[i].count > 1)
- return 0;
-
- /* Check type of value against allowed type. */
- switch (keywords[i].type)
- {
- case IMAGE_STRING_VALUE:
- if (!STRINGP (value))
- return 0;
- break;
-
- case IMAGE_STRING_OR_NIL_VALUE:
- if (!STRINGP (value) && !NILP (value))
- return 0;
- break;
-
- case IMAGE_SYMBOL_VALUE:
- if (!SYMBOLP (value))
- return 0;
- break;
-
- case IMAGE_POSITIVE_INTEGER_VALUE:
- if (!INTEGERP (value) || XINT (value) <= 0)
- return 0;
- break;
-
- case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR:
- if (INTEGERP (value) && XINT (value) >= 0)
- break;
- if (CONSP (value)
- && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value))
- && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0)
- break;
- return 0;
-
- case IMAGE_ASCENT_VALUE:
- if (SYMBOLP (value) && EQ (value, Qcenter))
- break;
- else if (INTEGERP (value)
- && XINT (value) >= 0
- && XINT (value) <= 100)
- break;
- return 0;
-
- case IMAGE_NON_NEGATIVE_INTEGER_VALUE:
- if (!INTEGERP (value) || XINT (value) < 0)
- return 0;
- break;
-
- case IMAGE_DONT_CHECK_VALUE_TYPE:
- break;
-
- case IMAGE_FUNCTION_VALUE:
- value = indirect_function (value);
- if (SUBRP (value)
- || COMPILEDP (value)
- || (CONSP (value) && EQ (XCAR (value), Qlambda)))
- break;
- return 0;
-
- case IMAGE_NUMBER_VALUE:
- if (!INTEGERP (value) && !FLOATP (value))
- return 0;
- break;
-
- case IMAGE_INTEGER_VALUE:
- if (!INTEGERP (value))
- return 0;
- break;
-
- case IMAGE_BOOL_VALUE:
- if (!NILP (value) && !EQ (value, Qt))
- return 0;
- break;
-
- default:
- abort ();
- break;
- }
-
- if (EQ (key, QCtype) && !EQ (type, value))
- return 0;
- }
-
- /* Check that all mandatory fields are present. */
- for (i = 0; i < nkeywords; ++i)
- if (keywords[i].mandatory_p && keywords[i].count == 0)
- return 0;
-
- return NILP (plist);
-}
-
-
-/* Return the value of KEY in image specification SPEC. Value is nil
- if KEY is not present in SPEC. if FOUND is not null, set *FOUND
- to 1 if KEY was found in SPEC, set it to 0 otherwise. */
-
-static Lisp_Object
-image_spec_value (spec, key, found)
- Lisp_Object spec, key;
- int *found;
-{
- Lisp_Object tail;
-
- xassert (valid_image_p (spec));
-
- for (tail = XCDR (spec);
- CONSP (tail) && CONSP (XCDR (tail));
- tail = XCDR (XCDR (tail)))
- {
- if (EQ (XCAR (tail), key))
- {
- if (found)
- *found = 1;
- return XCAR (XCDR (tail));
- }
- }
-
- if (found)
- *found = 0;
- return Qnil;
-}
-
-
-DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0,
- doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT).
-PIXELS non-nil means return the size in pixels, otherwise return the
-size in canonical character units.
-FRAME is the frame on which the image will be displayed. FRAME nil
-or omitted means use the selected frame. */)
- (spec, pixels, frame)
- Lisp_Object spec, pixels, frame;
-{
- Lisp_Object size;
-
- size = Qnil;
- if (valid_image_p (spec))
- {
- struct frame *f = check_x_frame (frame);
- int id = lookup_image (f, spec);
- struct image *img = IMAGE_FROM_ID (f, id);
- int width = img->width + 2 * img->hmargin;
- int height = img->height + 2 * img->vmargin;
-
- if (NILP (pixels))
- size = Fcons (make_float ((double) width / FRAME_COLUMN_WIDTH (f)),
- make_float ((double) height / FRAME_LINE_HEIGHT (f)));
- else
- size = Fcons (make_number (width), make_number (height));
- }
- else
- error ("Invalid image specification");
-
- return size;
-}
-
-
-DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0,
- doc: /* Return t if image SPEC has a mask bitmap.
-FRAME is the frame on which the image will be displayed. FRAME nil
-or omitted means use the selected frame. */)
- (spec, frame)
- Lisp_Object spec, frame;
-{
- Lisp_Object mask;
-
- mask = Qnil;
- if (valid_image_p (spec))
- {
- struct frame *f = check_x_frame (frame);
- int id = lookup_image (f, spec);
- struct image *img = IMAGE_FROM_ID (f, id);
- if (img->mask)
- mask = Qt;
- }
- else
- error ("Invalid image specification");
-
- return mask;
-}
-
-\f
-/***********************************************************************
- Image type independent image structures
- ***********************************************************************/
-
-static struct image *make_image P_ ((Lisp_Object spec, unsigned hash));
-static void free_image P_ ((struct frame *f, struct image *img));
-static void x_destroy_x_image P_ ((XImage *));
-
-
-/* Allocate and return a new image structure for image specification
- SPEC. SPEC has a hash value of HASH. */
-
-static struct image *
-make_image (spec, hash)
- Lisp_Object spec;
- unsigned hash;
-{
- struct image *img = (struct image *) xmalloc (sizeof *img);
-
- xassert (valid_image_p (spec));
- bzero (img, sizeof *img);
- img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL));
- xassert (img->type != NULL);
- img->spec = spec;
- img->data.lisp_val = Qnil;
- img->ascent = DEFAULT_IMAGE_ASCENT;
- img->hash = hash;
- return img;
-}
-
-
-/* Free image IMG which was used on frame F, including its resources. */
-
-static void
-free_image (f, img)
- struct frame *f;
- struct image *img;
-{
- if (img)
- {
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
-
- /* Remove IMG from the hash table of its cache. */
- if (img->prev)
- img->prev->next = img->next;
- else
- c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next;
-
- if (img->next)
- img->next->prev = img->prev;
-
- c->images[img->id] = NULL;
-
- /* Free resources, then free IMG. */
- img->type->free (f, img);
- xfree (img);
- }
-}
-
-
-/* Prepare image IMG for display on frame F. Must be called before
- drawing an image. */
-
-void
-prepare_image_for_display (f, img)
- struct frame *f;
- struct image *img;
-{
- EMACS_TIME t;
-
- /* We're about to display IMG, so set its timestamp to `now'. */
- EMACS_GET_TIME (t);
- img->timestamp = EMACS_SECS (t);
-
- /* If IMG doesn't have a pixmap yet, load it now, using the image
- type dependent loader function. */
- if (img->pixmap == 0 && !img->load_failed_p)
- img->load_failed_p = img->type->load (f, img) == 0;
-}
-
-
-/* Value is the number of pixels for the ascent of image IMG when
- drawn in face FACE. */
-
-int
-image_ascent (img, face)
- struct image *img;
- struct face *face;
-{
- int height = img->height + img->vmargin;
- int ascent;
-
- if (img->ascent == CENTERED_IMAGE_ASCENT)
- {
- if (face->font)
- ascent = height / 2 - (FONT_DESCENT(face->font)
- - FONT_BASE(face->font)) / 2;
- else
- ascent = height / 2;
- }
- else
- ascent = (int) (height * img->ascent / 100.0);
-
- return ascent;
-}
-
-
-\f
-/* Image background colors. */
-
-/* Find the "best" corner color of a bitmap. XIMG is assumed to a device
- context with the bitmap selected. */
-static COLORREF
-four_corners_best (img_dc, width, height)
- HDC img_dc;
- unsigned long width, height;
-{
- COLORREF corners[4], best;
- int i, best_count;
-
- /* Get the colors at the corners of img_dc. */
- corners[0] = GetPixel (img_dc, 0, 0);
- corners[1] = GetPixel (img_dc, width - 1, 0);
- corners[2] = GetPixel (img_dc, width - 1, height - 1);
- corners[3] = GetPixel (img_dc, 0, height - 1);
-
- /* Choose the most frequently found color as background. */
- for (i = best_count = 0; i < 4; ++i)
- {
- int j, n;
-
- for (j = n = 0; j < 4; ++j)
- if (corners[i] == corners[j])
- ++n;
-
- if (n > best_count)
- best = corners[i], best_count = n;
- }
-
- return best;
-}
-
-/* Return the `background' field of IMG. If IMG doesn't have one yet,
- it is guessed heuristically. If non-zero, IMG_DC is an existing
- device context with the image selected to use for the heuristic. */
-
-unsigned long
-image_background (img, f, img_dc)
- struct image *img;
- struct frame *f;
- HDC img_dc;
-{
- if (! img->background_valid)
- /* IMG doesn't have a background yet, try to guess a reasonable value. */
- {
- int free_ximg = !img_dc;
- HGDIOBJ prev;
-
- if (free_ximg)
- {
- HDC frame_dc = get_frame_dc (f);
- img_dc = CreateCompatibleDC (frame_dc);
- release_frame_dc (f, frame_dc);
-
- prev = SelectObject (img_dc, img->pixmap);
- }
-
- img->background = four_corners_best (img_dc, img->width, img->height);
-
- if (free_ximg)
- {
- SelectObject (img_dc, prev);
- DeleteDC (img_dc);
- }
-
- img->background_valid = 1;
- }
-
- return img->background;
-}
-
-/* Return the `background_transparent' field of IMG. If IMG doesn't
- have one yet, it is guessed heuristically. If non-zero, MASK is an
- existing XImage object to use for the heuristic. */
-
-int
-image_background_transparent (img, f, mask)
- struct image *img;
- struct frame *f;
- HDC mask;
-{
- if (! img->background_transparent_valid)
- /* IMG doesn't have a background yet, try to guess a reasonable value. */
- {
- if (img->mask)
- {
- int free_mask = !mask;
- HGDIOBJ prev;
-
- if (free_mask)
- {
- HDC frame_dc = get_frame_dc (f);
- mask = CreateCompatibleDC (frame_dc);
- release_frame_dc (f, frame_dc);
-
- prev = SelectObject (mask, img->mask);
- }
-
- img->background_transparent
- = !four_corners_best (mask, img->width, img->height);
-
- if (free_mask)
- {
- SelectObject (mask, prev);
- DeleteDC (mask);
- }
- }
- else
- img->background_transparent = 0;
-
- img->background_transparent_valid = 1;
- }
-
- return img->background_transparent;
-}
-
-\f
-/***********************************************************************
- Helper functions for X image types
- ***********************************************************************/
-
-static void x_clear_image_1 P_ ((struct frame *, struct image *, int,
- int, int));
-static void x_clear_image P_ ((struct frame *f, struct image *img));
-static unsigned long x_alloc_image_color P_ ((struct frame *f,
- struct image *img,
- Lisp_Object color_name,
- unsigned long dflt));
-
-
-/* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means
- free the pixmap if any. MASK_P non-zero means clear the mask
- pixmap if any. COLORS_P non-zero means free colors allocated for
- the image, if any. */
-
-static void
-x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p)
- struct frame *f;
- struct image *img;
- int pixmap_p, mask_p, colors_p;
-{
- if (pixmap_p && img->pixmap)
- {
- DeleteObject (img->pixmap);
- img->pixmap = NULL;
- img->background_valid = 0;
- }
-
- if (mask_p && img->mask)
- {
- DeleteObject (img->mask);
- img->mask = NULL;
- img->background_transparent_valid = 0;
- }
-
- if (colors_p && img->ncolors)
- {
-#if 0 /* TODO: color table support. */
- x_free_colors (f, img->colors, img->ncolors);
-#endif
- xfree (img->colors);
- img->colors = NULL;
- img->ncolors = 0;
- }
-}
-
-/* Free X resources of image IMG which is used on frame F. */
-
-static void
-x_clear_image (f, img)
- struct frame *f;
- struct image *img;
-{
- if (img->pixmap)
- {
- BLOCK_INPUT;
- DeleteObject (img->pixmap);
- img->pixmap = 0;
- UNBLOCK_INPUT;
- }
-
- if (img->ncolors)
- {
-#if 0 /* TODO: color table support */
-
- int class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
-
- /* If display has an immutable color map, freeing colors is not
- necessary and some servers don't allow it. So don't do it. */
- if (class != StaticColor
- && class != StaticGray
- && class != TrueColor)
- {
- Colormap cmap;
- BLOCK_INPUT;
- cmap = DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f)->screen);
- XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors,
- img->ncolors, 0);
- UNBLOCK_INPUT;
- }
-#endif
-
- xfree (img->colors);
- img->colors = NULL;
- img->ncolors = 0;
- }
-}
-
-
-/* Allocate color COLOR_NAME for image IMG on frame F. If color
- cannot be allocated, use DFLT. Add a newly allocated color to
- IMG->colors, so that it can be freed again. Value is the pixel
- color. */
-
-static unsigned long
-x_alloc_image_color (f, img, color_name, dflt)
- struct frame *f;
- struct image *img;
- Lisp_Object color_name;
- unsigned long dflt;
-{
- XColor color;
- unsigned long result;
-
- xassert (STRINGP (color_name));
-
- if (w32_defined_color (f, SDATA (color_name), &color, 1))
- {
- /* This isn't called frequently so we get away with simply
- reallocating the color vector to the needed size, here. */
- ++img->ncolors;
- img->colors =
- (unsigned long *) xrealloc (img->colors,
- img->ncolors * sizeof *img->colors);
- img->colors[img->ncolors - 1] = color.pixel;
- result = color.pixel;
- }
- else
- result = dflt;
- return result;
-}
-
-
-\f
-/***********************************************************************
- Image Cache
- ***********************************************************************/
-
-static void cache_image P_ ((struct frame *f, struct image *img));
-static void postprocess_image P_ ((struct frame *, struct image *));
-static void x_disable_image P_ ((struct frame *, struct image *));
-
-
-/* Return a new, initialized image cache that is allocated from the
- heap. Call free_image_cache to free an image cache. */
-
-struct image_cache *
-make_image_cache ()
-{
- struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c);
- int size;
-
- bzero (c, sizeof *c);
- c->size = 50;
- c->images = (struct image **) xmalloc (c->size * sizeof *c->images);
- size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets;
- c->buckets = (struct image **) xmalloc (size);
- bzero (c->buckets, size);
- return c;
-}
-
-
-/* Free image cache of frame F. Be aware that X frames share images
- caches. */
-
-void
-free_image_cache (f)
- struct frame *f;
-{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- if (c)
- {
- int i;
-
- /* Cache should not be referenced by any frame when freed. */
- xassert (c->refcount == 0);
-
- for (i = 0; i < c->used; ++i)
- free_image (f, c->images[i]);
- xfree (c->images);
- xfree (c);
- xfree (c->buckets);
- FRAME_X_IMAGE_CACHE (f) = NULL;
- }
-}
-
-
-/* Clear image cache of frame F. FORCE_P non-zero means free all
- images. FORCE_P zero means clear only images that haven't been
- displayed for some time. Should be called from time to time to
- reduce the number of loaded images. If image-eviction-seconds is
- non-nil, this frees images in the cache which weren't displayed for
- at least that many seconds. */
-
-void
-clear_image_cache (f, force_p)
- struct frame *f;
- int force_p;
-{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
-
- if (c && INTEGERP (Vimage_cache_eviction_delay))
- {
- EMACS_TIME t;
- unsigned long old;
- int i, nfreed;
-
- EMACS_GET_TIME (t);
- old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay);
-
- /* Block input so that we won't be interrupted by a SIGIO
- while being in an inconsistent state. */
- BLOCK_INPUT;
-
- for (i = nfreed = 0; i < c->used; ++i)
- {
- struct image *img = c->images[i];
- if (img != NULL
- && (force_p || (img->timestamp < old)))
- {
- free_image (f, img);
- ++nfreed;
- }
- }
-
- /* We may be clearing the image cache because, for example,
- Emacs was iconified for a longer period of time. In that
- case, current matrices may still contain references to
- images freed above. So, clear these matrices. */
- if (nfreed)
- {
- Lisp_Object tail, frame;
-
- FOR_EACH_FRAME (tail, frame)
- {
- struct frame *f = XFRAME (frame);
- if (FRAME_W32_P (f)
- && FRAME_X_IMAGE_CACHE (f) == c)
- clear_current_matrices (f);
- }
-
- ++windows_or_buffers_changed;
- }
-
- UNBLOCK_INPUT;
- }
-}
-
-
-DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache,
- 0, 1, 0,
- doc: /* Clear the image cache of FRAME.
-FRAME nil or omitted means use the selected frame.
-FRAME t means clear the image caches of all frames. */)
- (frame)
- Lisp_Object frame;
-{
- if (EQ (frame, Qt))
- {
- Lisp_Object tail;
-
- FOR_EACH_FRAME (tail, frame)
- if (FRAME_W32_P (XFRAME (frame)))
- clear_image_cache (XFRAME (frame), 1);
- }
- else
- clear_image_cache (check_x_frame (frame), 1);
-
- return Qnil;
-}
-
-
-/* Compute masks and transform image IMG on frame F, as specified
- by the image's specification, */
-
-static void
-postprocess_image (f, img)
- struct frame *f;
- struct image *img;
-{
- /* Manipulation of the image's mask. */
- if (img->pixmap)
- {
- Lisp_Object conversion, spec;
- Lisp_Object mask;
-
- spec = img->spec;
-
- /* `:heuristic-mask t'
- `:mask heuristic'
- means build a mask heuristically.
- `:heuristic-mask (R G B)'
- `:mask (heuristic (R G B))'
- means build a mask from color (R G B) in the
- image.
- `:mask nil'
- means remove a mask, if any. */
-
- mask = image_spec_value (spec, QCheuristic_mask, NULL);
- if (!NILP (mask))
- x_build_heuristic_mask (f, img, mask);
- else
- {
- int found_p;
-
- mask = image_spec_value (spec, QCmask, &found_p);
-
- if (EQ (mask, Qheuristic))
- x_build_heuristic_mask (f, img, Qt);
- else if (CONSP (mask)
- && EQ (XCAR (mask), Qheuristic))
- {
- if (CONSP (XCDR (mask)))
- x_build_heuristic_mask (f, img, XCAR (XCDR (mask)));
- else
- x_build_heuristic_mask (f, img, XCDR (mask));
- }
- else if (NILP (mask) && found_p && img->mask)
- {
- DeleteObject (img->mask);
- img->mask = NULL;
- }
- }
-
-
- /* Should we apply an image transformation algorithm? */
- conversion = image_spec_value (spec, QCconversion, NULL);
- if (EQ (conversion, Qdisabled))
- x_disable_image (f, img);
- else if (EQ (conversion, Qlaplace))
- x_laplace (f, img);
- else if (EQ (conversion, Qemboss))
- x_emboss (f, img);
- else if (CONSP (conversion)
- && EQ (XCAR (conversion), Qedge_detection))
- {
- Lisp_Object tem;
- tem = XCDR (conversion);
- if (CONSP (tem))
- x_edge_detection (f, img,
- Fplist_get (tem, QCmatrix),
- Fplist_get (tem, QCcolor_adjustment));
- }
- }
-}
-
-
-/* Return the id of image with Lisp specification SPEC on frame F.
- SPEC must be a valid Lisp image specification (see valid_image_p). */
-
-int
-lookup_image (f, spec)
- struct frame *f;
- Lisp_Object spec;
-{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- struct image *img;
- int i;
- unsigned hash;
- struct gcpro gcpro1;
- EMACS_TIME now;
-
- /* F must be a window-system frame, and SPEC must be a valid image
- specification. */
- xassert (FRAME_WINDOW_P (f));
- xassert (valid_image_p (spec));
-
- GCPRO1 (spec);
-
- /* Look up SPEC in the hash table of the image cache. */
- hash = sxhash (spec, 0);
- i = hash % IMAGE_CACHE_BUCKETS_SIZE;
-
- for (img = c->buckets[i]; img; img = img->next)
- if (img->hash == hash && !NILP (Fequal (img->spec, spec)))
- break;
-
- /* If not found, create a new image and cache it. */
- if (img == NULL)
- {
- extern Lisp_Object Qpostscript;
-
- BLOCK_INPUT;
- img = make_image (spec, hash);
- cache_image (f, img);
- img->load_failed_p = img->type->load (f, img) == 0;
-
- /* If we can't load the image, and we don't have a width and
- height, use some arbitrary width and height so that we can
- draw a rectangle for it. */
- if (img->load_failed_p)
- {
- Lisp_Object value;
-
- value = image_spec_value (spec, QCwidth, NULL);
- img->width = (INTEGERP (value)
- ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH);
- value = image_spec_value (spec, QCheight, NULL);
- img->height = (INTEGERP (value)
- ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT);
- }
- else
- {
- /* Handle image type independent image attributes
- `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF',
- `:background COLOR'. */
- Lisp_Object ascent, margin, relief, bg;
-
- ascent = image_spec_value (spec, QCascent, NULL);
- if (INTEGERP (ascent))
- img->ascent = XFASTINT (ascent);
- else if (EQ (ascent, Qcenter))
- img->ascent = CENTERED_IMAGE_ASCENT;
-
- margin = image_spec_value (spec, QCmargin, NULL);
- if (INTEGERP (margin) && XINT (margin) >= 0)
- img->vmargin = img->hmargin = XFASTINT (margin);
- else if (CONSP (margin) && INTEGERP (XCAR (margin))
- && INTEGERP (XCDR (margin)))
- {
- if (XINT (XCAR (margin)) > 0)
- img->hmargin = XFASTINT (XCAR (margin));
- if (XINT (XCDR (margin)) > 0)
- img->vmargin = XFASTINT (XCDR (margin));
- }
-
- relief = image_spec_value (spec, QCrelief, NULL);
- if (INTEGERP (relief))
- {
- img->relief = XINT (relief);
- img->hmargin += abs (img->relief);
- img->vmargin += abs (img->relief);
- }
-
- if (! img->background_valid)
- {
- bg = image_spec_value (img->spec, QCbackground, NULL);
- if (!NILP (bg))
- {
- img->background
- = x_alloc_image_color (f, img, bg,
- FRAME_BACKGROUND_PIXEL (f));
- img->background_valid = 1;
- }
- }
-
- /* Do image transformations and compute masks, unless we
- don't have the image yet. */
- if (!EQ (*img->type->type, Qpostscript))
- postprocess_image (f, img);
- }
-
- UNBLOCK_INPUT;
- xassert (!interrupt_input_blocked);
- }
-
- /* We're using IMG, so set its timestamp to `now'. */
- EMACS_GET_TIME (now);
- img->timestamp = EMACS_SECS (now);
-
- UNGCPRO;
-
- /* Value is the image id. */
- return img->id;
-}
-
-
-/* Cache image IMG in the image cache of frame F. */
-
-static void
-cache_image (f, img)
- struct frame *f;
- struct image *img;
-{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- int i;
-
- /* Find a free slot in c->images. */
- for (i = 0; i < c->used; ++i)
- if (c->images[i] == NULL)
- break;
-
- /* If no free slot found, maybe enlarge c->images. */
- if (i == c->used && c->used == c->size)
- {
- c->size *= 2;
- c->images = (struct image **) xrealloc (c->images,
- c->size * sizeof *c->images);
- }
-
- /* Add IMG to c->images, and assign IMG an id. */
- c->images[i] = img;
- img->id = i;
- if (i == c->used)
- ++c->used;
-
- /* Add IMG to the cache's hash table. */
- i = img->hash % IMAGE_CACHE_BUCKETS_SIZE;
- img->next = c->buckets[i];
- if (img->next)
- img->next->prev = img;
- img->prev = NULL;
- c->buckets[i] = img;
-}
-
-
-/* Call FN on every image in the image cache of frame F. Used to mark
- Lisp Objects in the image cache. */
-
-void
-forall_images_in_image_cache (f, fn)
- struct frame *f;
- void (*fn) P_ ((struct image *img));
-{
- if (FRAME_LIVE_P (f) && FRAME_W32_P (f))
- {
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- if (c)
- {
- int i;
- for (i = 0; i < c->used; ++i)
- if (c->images[i])
- fn (c->images[i]);
- }
- }
-}
-
-
-\f
-/***********************************************************************
- W32 support code
- ***********************************************************************/
-
-/* Macro for defining functions that will be loaded from image DLLs. */
-#define DEF_IMGLIB_FN(func) FARPROC fn_##func
-
-/* Macro for loading those image functions from the library. */
-#define LOAD_IMGLIB_FN(lib,func) { \
- fn_##func = (void *) GetProcAddress (lib, #func); \
- if (!fn_##func) return 0; \
- }
-
-static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int,
- XImage **, Pixmap *));
-static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int));
-
-
-/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
- frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
- Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
- via xmalloc. DEPTH of zero signifies a 24 bit image, otherwise
- DEPTH should indicate the bit depth of the image. Print error
- messages via image_error if an error occurs. Value is non-zero if
- successful. */
-
-static int
-x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap)
- struct frame *f;
- int width, height, depth;
- XImage **ximg;
- Pixmap *pixmap;
-{
- BITMAPINFOHEADER *header;
- HDC hdc;
- int scanline_width_bits;
- int remainder;
- int palette_colors = 0;
-
- if (depth == 0)
- depth = 24;
-
- if (depth != 1 && depth != 4 && depth != 8
- && depth != 16 && depth != 24 && depth != 32)
- {
- image_error ("Invalid image bit depth specified", Qnil, Qnil);
- return 0;
- }
-
- scanline_width_bits = width * depth;
- remainder = scanline_width_bits % 32;
-
- if (remainder)
- scanline_width_bits += 32 - remainder;
-
- /* Bitmaps with a depth less than 16 need a palette. */
- /* BITMAPINFO structure already contains the first RGBQUAD. */
- if (depth < 16)
- palette_colors = 1 << depth - 1;
-
- *ximg = xmalloc (sizeof (XImage) + palette_colors * sizeof (RGBQUAD));
- if (*ximg == NULL)
- {
- image_error ("Unable to allocate memory for XImage", Qnil, Qnil);
- return 0;
- }
-
- header = &((*ximg)->info.bmiHeader);
- bzero (&((*ximg)->info), sizeof (BITMAPINFO));
- header->biSize = sizeof (*header);
- header->biWidth = width;
- header->biHeight = -height; /* negative indicates a top-down bitmap. */
- header->biPlanes = 1;
- header->biBitCount = depth;
- header->biCompression = BI_RGB;
- header->biClrUsed = palette_colors;
-
- /* TODO: fill in palette. */
- if (depth == 1)
- {
- (*ximg)->info.bmiColors[0].rgbBlue = 0;
- (*ximg)->info.bmiColors[0].rgbGreen = 0;
- (*ximg)->info.bmiColors[0].rgbRed = 0;
- (*ximg)->info.bmiColors[0].rgbReserved = 0;
- (*ximg)->info.bmiColors[1].rgbBlue = 255;
- (*ximg)->info.bmiColors[1].rgbGreen = 255;
- (*ximg)->info.bmiColors[1].rgbRed = 255;
- (*ximg)->info.bmiColors[1].rgbReserved = 0;
- }
-
- hdc = get_frame_dc (f);
-
- /* Create a DIBSection and raster array for the bitmap,
- and store its handle in *pixmap. */
- *pixmap = CreateDIBSection (hdc, &((*ximg)->info),
- (depth < 16) ? DIB_PAL_COLORS : DIB_RGB_COLORS,
- &((*ximg)->data), NULL, 0);
-
- /* Realize display palette and garbage all frames. */
- release_frame_dc (f, hdc);
-
- if (*pixmap == NULL)
- {
- DWORD err = GetLastError();
- Lisp_Object errcode;
- /* All system errors are < 10000, so the following is safe. */
- XSETINT (errcode, (int) err);
- image_error ("Unable to create bitmap, error code %d", errcode, Qnil);
- x_destroy_x_image (*ximg);
- return 0;
- }
-
- return 1;
-}
-
-
-/* Destroy XImage XIMG. Free XIMG->data. */
-
-static void
-x_destroy_x_image (ximg)
- XImage *ximg;
-{
- xassert (interrupt_input_blocked);
- if (ximg)
- {
- /* Data will be freed by DestroyObject. */
- ximg->data = NULL;
- xfree (ximg);
- }
-}
-
-
-/* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT
- are width and height of both the image and pixmap. */
-
-static void
-x_put_x_image (f, ximg, pixmap, width, height)
- struct frame *f;
- XImage *ximg;
- Pixmap pixmap;
- int width, height;
-{
-#if 0 /* I don't think this is necessary looking at where it is used. */
- HDC hdc = get_frame_dc (f);
- SetDIBits (hdc, pixmap, 0, height, ximg->data, &(ximg->info), DIB_RGB_COLORS);
- release_frame_dc (f, hdc);
-#endif
-}
-
-\f
-/***********************************************************************
- File Handling
- ***********************************************************************/
-
-static Lisp_Object x_find_image_file P_ ((Lisp_Object));
-static char *slurp_file P_ ((char *, int *));
-
-
-/* Find image file FILE. Look in data-directory, then
- x-bitmap-file-path. Value is the full name of the file found, or
- nil if not found. */
-
-static Lisp_Object
-x_find_image_file (file)
- Lisp_Object file;
-{
- Lisp_Object file_found, search_path;
- struct gcpro gcpro1, gcpro2;
- int fd;
-
- file_found = Qnil;
- search_path = Fcons (Vdata_directory, Vx_bitmap_file_path);
- GCPRO2 (file_found, search_path);
-
- /* Try to find FILE in data-directory, then x-bitmap-file-path. */
- fd = openp (search_path, file, Qnil, &file_found, Qnil);
-
- if (fd == -1)
- file_found = Qnil;
- else
- close (fd);
-
- UNGCPRO;
- return file_found;
-}
-
-
-/* Read FILE into memory. Value is a pointer to a buffer allocated
- with xmalloc holding FILE's contents. Value is null if an error
- occurred. *SIZE is set to the size of the file. */
-
-static char *
-slurp_file (file, size)
- char *file;
- int *size;
-{
- FILE *fp = NULL;
- char *buf = NULL;
- struct stat st;
-
- if (stat (file, &st) == 0
- && (fp = fopen (file, "rb")) != NULL
- && (buf = (char *) xmalloc (st.st_size),
- fread (buf, 1, st.st_size, fp) == st.st_size))
- {
- *size = st.st_size;
- fclose (fp);
- }
- else
- {
- if (fp)
- fclose (fp);
- if (buf)
- {
- xfree (buf);
- buf = NULL;
- }
- }
-
- return buf;
-}
-
-
-\f
-/***********************************************************************
- XBM images
- ***********************************************************************/
-
-static int xbm_scan P_ ((char **, char *, char *, int *));
-static int xbm_load P_ ((struct frame *f, struct image *img));
-static int xbm_load_image P_ ((struct frame *f, struct image *img,
- char *, char *));
-static int xbm_image_p P_ ((Lisp_Object object));
-static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *,
- unsigned char **));
-static int xbm_file_p P_ ((Lisp_Object));
-
-
-/* Indices of image specification fields in xbm_format, below. */
-
-enum xbm_keyword_index
-{
- XBM_TYPE,
- XBM_FILE,
- XBM_WIDTH,
- XBM_HEIGHT,
- XBM_DATA,
- XBM_FOREGROUND,
- XBM_BACKGROUND,
- XBM_ASCENT,
- XBM_MARGIN,
- XBM_RELIEF,
- XBM_ALGORITHM,
- XBM_HEURISTIC_MASK,
- XBM_MASK,
- XBM_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid XBM image specifications. */
-
-static struct image_keyword xbm_format[XBM_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":file", IMAGE_STRING_VALUE, 0},
- {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0},
- {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0},
- {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
-};
-
-/* Structure describing the image type XBM. */
-
-static struct image_type xbm_type =
-{
- &Qxbm,
- xbm_image_p,
- xbm_load,
- x_clear_image,
- NULL
-};
-
-/* Tokens returned from xbm_scan. */
-
-enum xbm_token
-{
- XBM_TK_IDENT = 256,
- XBM_TK_NUMBER
-};
-
-
-/* Return non-zero if OBJECT is a valid XBM-type image specification.
- A valid specification is a list starting with the symbol `image'
- The rest of the list is a property list which must contain an
- entry `:type xbm..
-
- If the specification specifies a file to load, it must contain
- an entry `:file FILENAME' where FILENAME is a string.
-
- If the specification is for a bitmap loaded from memory it must
- contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where
- WIDTH and HEIGHT are integers > 0. DATA may be:
-
- 1. a string large enough to hold the bitmap data, i.e. it must
- have a size >= (WIDTH + 7) / 8 * HEIGHT
-
- 2. a bool-vector of size >= WIDTH * HEIGHT
-
- 3. a vector of strings or bool-vectors, one for each line of the
- bitmap.
-
- 4. A string containing an in-memory XBM file. WIDTH and HEIGHT
- may not be specified in this case because they are defined in the
- XBM file.
-
- Both the file and data forms may contain the additional entries
- `:background COLOR' and `:foreground COLOR'. If not present,
- foreground and background of the frame on which the image is
- displayed is used. */
-
-static int
-xbm_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword kw[XBM_LAST];
-
- bcopy (xbm_format, kw, sizeof kw);
- if (!parse_image_spec (object, kw, XBM_LAST, Qxbm))
- return 0;
-
- xassert (EQ (kw[XBM_TYPE].value, Qxbm));
-
- if (kw[XBM_FILE].count)
- {
- if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count)
- return 0;
- }
- else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value))
- {
- /* In-memory XBM file. */
- if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count)
- return 0;
- }
- else
- {
- Lisp_Object data;
- int width, height;
-
- /* Entries for `:width', `:height' and `:data' must be present. */
- if (!kw[XBM_WIDTH].count
- || !kw[XBM_HEIGHT].count
- || !kw[XBM_DATA].count)
- return 0;
-
- data = kw[XBM_DATA].value;
- width = XFASTINT (kw[XBM_WIDTH].value);
- height = XFASTINT (kw[XBM_HEIGHT].value);
-
- /* Check type of data, and width and height against contents of
- data. */
- if (VECTORP (data))
- {
- int i;
-
- /* Number of elements of the vector must be >= height. */
- if (XVECTOR (data)->size < height)
- return 0;
-
- /* Each string or bool-vector in data must be large enough
- for one line of the image. */
- for (i = 0; i < height; ++i)
- {
- Lisp_Object elt = XVECTOR (data)->contents[i];
-
- if (STRINGP (elt))
- {
- if (SCHARS (elt)
- < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR)
- return 0;
- }
- else if (BOOL_VECTOR_P (elt))
- {
- if (XBOOL_VECTOR (elt)->size < width)
- return 0;
- }
- else
- return 0;
- }
- }
- else if (STRINGP (data))
- {
- if (SCHARS (data)
- < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height)
- return 0;
- }
- else if (BOOL_VECTOR_P (data))
- {
- if (XBOOL_VECTOR (data)->size < width * height)
- return 0;
- }
- else
- return 0;
- }
-
- return 1;
-}
-
-
-/* Scan a bitmap file. FP is the stream to read from. Value is
- either an enumerator from enum xbm_token, or a character for a
- single-character token, or 0 at end of file. If scanning an
- identifier, store the lexeme of the identifier in SVAL. If
- scanning a number, store its value in *IVAL. */
-
-static int
-xbm_scan (s, end, sval, ival)
- char **s, *end;
- char *sval;
- int *ival;
-{
- int c;
-
- loop:
-
- /* Skip white space. */
- while (*s < end && (c = *(*s)++, isspace (c)))
- ;
-
- if (*s >= end)
- c = 0;
- else if (isdigit (c))
- {
- int value = 0, digit;
-
- if (c == '0' && *s < end)
- {
- c = *(*s)++;
- if (c == 'x' || c == 'X')
- {
- while (*s < end)
- {
- c = *(*s)++;
- if (isdigit (c))
- digit = c - '0';
- else if (c >= 'a' && c <= 'f')
- digit = c - 'a' + 10;
- else if (c >= 'A' && c <= 'F')
- digit = c - 'A' + 10;
- else
- break;
- value = 16 * value + digit;
- }
- }
- else if (isdigit (c))
- {
- value = c - '0';
- while (*s < end
- && (c = *(*s)++, isdigit (c)))
- value = 8 * value + c - '0';
- }
- }
- else
- {
- value = c - '0';
- while (*s < end
- && (c = *(*s)++, isdigit (c)))
- value = 10 * value + c - '0';
- }
-
- if (*s < end)
- *s = *s - 1;
- *ival = value;
- c = XBM_TK_NUMBER;
- }
- else if (isalpha (c) || c == '_')
- {
- *sval++ = c;
- while (*s < end
- && (c = *(*s)++, (isalnum (c) || c == '_')))
- *sval++ = c;
- *sval = 0;
- if (*s < end)
- *s = *s - 1;
- c = XBM_TK_IDENT;
- }
- else if (c == '/' && **s == '*')
- {
- /* C-style comment. */
- ++*s;
- while (**s && (**s != '*' || *(*s + 1) != '/'))
- ++*s;
- if (**s)
- {
- *s += 2;
- goto loop;
- }
- }
-
- return c;
-}
-
-
-/* XBM bits seem to be backward within bytes compared with how
- Windows does things. */
-static unsigned char reflect_byte (unsigned char orig)
-{
- int i;
- unsigned char reflected = 0x00;
- for (i = 0; i < 8; i++)
- {
- if (orig & (0x01 << i))
- reflected |= 0x80 >> i;
- }
- return reflected;
-}
-
-
-/* Create a Windows bitmap from X bitmap data. */
-static HBITMAP
-w32_create_pixmap_from_bitmap_data (int width, int height, char *data)
-{
- int i, j, w1, w2;
- char *bits, *p;
- HBITMAP bmp;
-
- w1 = (width + 7) / 8; /* nb of 8bits elt in X bitmap */
- w2 = ((width + 15) / 16) * 2; /* nb of 16bits elt in W32 bitmap */
- bits = (char *) alloca (height * w2);
- bzero (bits, height * w2);
- for (i = 0; i < height; i++)
- {
- p = bits + i*w2;
- for (j = 0; j < w1; j++)
- *p++ = reflect_byte(*data++);
- }
- bmp = CreateBitmap (width, height, 1, 1, bits);
-
- return bmp;
-}
-
-
-/* Replacement for XReadBitmapFileData which isn't available under old
- X versions. CONTENTS is a pointer to a buffer to parse; END is the
- buffer's end. Set *WIDTH and *HEIGHT to the width and height of
- the image. Return in *DATA the bitmap data allocated with xmalloc.
- Value is non-zero if successful. DATA null means just test if
- CONTENTS looks like an in-memory XBM file. */
-
-static int
-xbm_read_bitmap_data (contents, end, width, height, data)
- char *contents, *end;
- int *width, *height;
- unsigned char **data;
-{
- char *s = contents;
- char buffer[BUFSIZ];
- int padding_p = 0;
- int v10 = 0;
- int bytes_per_line, i, nbytes;
- unsigned char *p;
- int value;
- int LA1;
-
-#define match() \
- LA1 = xbm_scan (&s, end, buffer, &value)
-
-#define expect(TOKEN) \
- if (LA1 != (TOKEN)) \
- goto failure; \
- else \
- match ()
-
-#define expect_ident(IDENT) \
- if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \
- match (); \
- else \
- goto failure
-
- *width = *height = -1;
- if (data)
- *data = NULL;
- LA1 = xbm_scan (&s, end, buffer, &value);
-
- /* Parse defines for width, height and hot-spots. */
- while (LA1 == '#')
- {
- match ();
- expect_ident ("define");
- expect (XBM_TK_IDENT);
-
- if (LA1 == XBM_TK_NUMBER);
- {
- char *p = strrchr (buffer, '_');
- p = p ? p + 1 : buffer;
- if (strcmp (p, "width") == 0)
- *width = value;
- else if (strcmp (p, "height") == 0)
- *height = value;
- }
- expect (XBM_TK_NUMBER);
- }
-
- if (*width < 0 || *height < 0)
- goto failure;
- else if (data == NULL)
- goto success;
-
- /* Parse bits. Must start with `static'. */
- expect_ident ("static");
- if (LA1 == XBM_TK_IDENT)
- {
- if (strcmp (buffer, "unsigned") == 0)
- {
- match ();
- expect_ident ("char");
- }
- else if (strcmp (buffer, "short") == 0)
- {
- match ();
- v10 = 1;
- if (*width % 16 && *width % 16 < 9)
- padding_p = 1;
- }
- else if (strcmp (buffer, "char") == 0)
- match ();
- else
- goto failure;
- }
- else
- goto failure;
-
- expect (XBM_TK_IDENT);
- expect ('[');
- expect (']');
- expect ('=');
- expect ('{');
-
- bytes_per_line = (*width + 7) / 8 + padding_p;
- nbytes = bytes_per_line * *height;
- p = *data = (char *) xmalloc (nbytes);
-
- if (v10)
- {
- for (i = 0; i < nbytes; i += 2)
- {
- int val = value;
- expect (XBM_TK_NUMBER);
-
- *p++ = ~ val;
- if (!padding_p || ((i + 2) % bytes_per_line))
- *p++ = ~ (value >> 8);
-
- if (LA1 == ',' || LA1 == '}')
- match ();
- else
- goto failure;
- }
- }
- else
- {
- for (i = 0; i < nbytes; ++i)
- {
- int val = value;
- expect (XBM_TK_NUMBER);
-
- *p++ = ~ val;
-
- if (LA1 == ',' || LA1 == '}')
- match ();
- else
- goto failure;
- }
- }
-
- success:
- return 1;
-
- failure:
-
- if (data && *data)
- {
- xfree (*data);
- *data = NULL;
- }
- return 0;
-
-#undef match
-#undef expect
-#undef expect_ident
-}
-
-static void convert_mono_to_color_image (f, img, foreground, background)
- struct frame *f;
- struct image *img;
- COLORREF foreground, background;
-{
- HDC hdc, old_img_dc, new_img_dc;
- HGDIOBJ old_prev, new_prev;
- HBITMAP new_pixmap;
-
- hdc = get_frame_dc (f);
- old_img_dc = CreateCompatibleDC (hdc);
- new_img_dc = CreateCompatibleDC (hdc);
- new_pixmap = CreateCompatibleBitmap (hdc, img->width, img->height);
- release_frame_dc (f, hdc);
- old_prev = SelectObject (old_img_dc, img->pixmap);
- new_prev = SelectObject (new_img_dc, new_pixmap);
- SetTextColor (new_img_dc, foreground);
- SetBkColor (new_img_dc, background);
-
- BitBlt (new_img_dc, 0, 0, img->width, img->height, old_img_dc,
- 0, 0, SRCCOPY);
-
- SelectObject (old_img_dc, old_prev);
- SelectObject (new_img_dc, new_prev);
- DeleteDC (old_img_dc);
- DeleteDC (new_img_dc);
- DeleteObject (img->pixmap);
- if (new_pixmap == 0)
- fprintf (stderr, "Failed to convert image to color.\n");
- else
- img->pixmap = new_pixmap;
-}
-
-/* Load XBM image IMG which will be displayed on frame F from buffer
- CONTENTS. END is the end of the buffer. Value is non-zero if
- successful. */
-
-static int
-xbm_load_image (f, img, contents, end)
- struct frame *f;
- struct image *img;
- char *contents, *end;
-{
- int rc;
- unsigned char *data;
- int success_p = 0;
-
- rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data);
- if (rc)
- {
- unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
- unsigned long background = FRAME_BACKGROUND_PIXEL (f);
- int non_default_colors = 0;
- Lisp_Object value;
-
- xassert (img->width > 0 && img->height > 0);
-
- /* Get foreground and background colors, maybe allocate colors. */
- value = image_spec_value (img->spec, QCforeground, NULL);
- if (!NILP (value))
- {
- foreground = x_alloc_image_color (f, img, value, foreground);
- non_default_colors = 1;
- }
- value = image_spec_value (img->spec, QCbackground, NULL);
- if (!NILP (value))
- {
- background = x_alloc_image_color (f, img, value, background);
- img->background = background;
- img->background_valid = 1;
- non_default_colors = 1;
- }
- img->pixmap
- = w32_create_pixmap_from_bitmap_data (img->width, img->height, data);
-
- /* If colors were specified, transfer the bitmap to a color one. */
- if (non_default_colors)
- convert_mono_to_color_image (f, img, foreground, background);
-
- xfree (data);
-
- if (img->pixmap == 0)
- {
- x_clear_image (f, img);
- image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil);
- }
- else
- success_p = 1;
- }
- else
- image_error ("Error loading XBM image `%s'", img->spec, Qnil);
-
- return success_p;
-}
-
-
-/* Value is non-zero if DATA looks like an in-memory XBM file. */
-
-static int
-xbm_file_p (data)
- Lisp_Object data;
-{
- int w, h;
- return (STRINGP (data)
- && xbm_read_bitmap_data (SDATA (data),
- (SDATA (data)
- + SBYTES (data)),
- &w, &h, NULL));
-}
-
-
-/* Fill image IMG which is used on frame F with pixmap data. Value is
- non-zero if successful. */
-
-static int
-xbm_load (f, img)
- struct frame *f;
- struct image *img;
-{
- int success_p = 0;
- Lisp_Object file_name;
-
- xassert (xbm_image_p (img->spec));
-
- /* If IMG->spec specifies a file name, create a non-file spec from it. */
- file_name = image_spec_value (img->spec, QCfile, NULL);
- if (STRINGP (file_name))
- {
- Lisp_Object file;
- char *contents;
- int size;
- struct gcpro gcpro1;
-
- file = x_find_image_file (file_name);
- GCPRO1 (file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", file_name, Qnil);
- UNGCPRO;
- return 0;
- }
-
- contents = slurp_file (SDATA (file), &size);
- if (contents == NULL)
- {
- image_error ("Error loading XBM image `%s'", img->spec, Qnil);
- UNGCPRO;
- return 0;
- }
-
- success_p = xbm_load_image (f, img, contents, contents + size);
- UNGCPRO;
- }
- else
- {
- struct image_keyword fmt[XBM_LAST];
- Lisp_Object data;
- unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
- unsigned long background = FRAME_BACKGROUND_PIXEL (f);
- int non_default_colors = 0;
- char *bits;
- int parsed_p;
- int in_memory_file_p = 0;
-
- /* See if data looks like an in-memory XBM file. */
- data = image_spec_value (img->spec, QCdata, NULL);
- in_memory_file_p = xbm_file_p (data);
-
- /* Parse the image specification. */
- bcopy (xbm_format, fmt, sizeof fmt);
- parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm);
- xassert (parsed_p);
-
- /* Get specified width, and height. */
- if (!in_memory_file_p)
- {
- img->width = XFASTINT (fmt[XBM_WIDTH].value);
- img->height = XFASTINT (fmt[XBM_HEIGHT].value);
- xassert (img->width > 0 && img->height > 0);
- }
-
- /* Get foreground and background colors, maybe allocate colors. */
- if (fmt[XBM_FOREGROUND].count
- && STRINGP (fmt[XBM_FOREGROUND].value))
- {
- foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value,
- foreground);
- non_default_colors = 1;
- }
-
- if (fmt[XBM_BACKGROUND].count
- && STRINGP (fmt[XBM_BACKGROUND].value))
- {
- background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value,
- background);
- non_default_colors = 1;
- }
-
- if (in_memory_file_p)
- success_p = xbm_load_image (f, img, SDATA (data),
- (SDATA (data)
- + SBYTES (data)));
- else
- {
- if (VECTORP (data))
- {
- int i;
- char *p;
- int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
-
- p = bits = (char *) alloca (nbytes * img->height);
- for (i = 0; i < img->height; ++i, p += nbytes)
- {
- Lisp_Object line = XVECTOR (data)->contents[i];
- if (STRINGP (line))
- bcopy (SDATA (line), p, nbytes);
- else
- bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
- }
- }
- else if (STRINGP (data))
- bits = SDATA (data);
- else
- bits = XBOOL_VECTOR (data)->data;
-
- /* Create the pixmap. */
- img->pixmap
- = w32_create_pixmap_from_bitmap_data (img->width, img->height,
- bits);
-
- /* If colors were specified, transfer the bitmap to a color one. */
- if (non_default_colors)
- convert_mono_to_color_image (f, img, foreground, background);
-
- if (img->pixmap)
- success_p = 1;
- else
- {
- image_error ("Unable to create pixmap for XBM image `%s'",
- img->spec, Qnil);
- x_clear_image (f, img);
- }
- }
- }
-
- return success_p;
-}
-
-
-\f
-/***********************************************************************
- XPM images
- ***********************************************************************/
-
-#if HAVE_XPM
-
-static int xpm_image_p P_ ((Lisp_Object object));
-static int xpm_load P_ ((struct frame *f, struct image *img));
-static int xpm_valid_color_symbols_p P_ ((Lisp_Object));
-
-/* Indicate to xpm.h that we don't have Xlib. */
-#define FOR_MSW
-/* simx.h in xpm defines XColor and XImage differently than Emacs. */
-#define XColor xpm_XColor
-#define XImage xpm_XImage
-#define PIXEL_ALREADY_TYPEDEFED
-#include "X11/xpm.h"
-#undef FOR_MSW
-#undef XColor
-#undef XImage
-#undef PIXEL_ALREADY_TYPEDEFED
-
-/* The symbol `xpm' identifying XPM-format images. */
-
-Lisp_Object Qxpm;
-
-/* Indices of image specification fields in xpm_format, below. */
-
-enum xpm_keyword_index
-{
- XPM_TYPE,
- XPM_FILE,
- XPM_DATA,
- XPM_ASCENT,
- XPM_MARGIN,
- XPM_RELIEF,
- XPM_ALGORITHM,
- XPM_HEURISTIC_MASK,
- XPM_MASK,
- XPM_COLOR_SYMBOLS,
- XPM_BACKGROUND,
- XPM_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid XPM image specifications. */
-
-static struct image_keyword xpm_format[XPM_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":file", IMAGE_STRING_VALUE, 0},
- {":data", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type XPM. */
-
-static struct image_type xpm_type =
-{
- &Qxpm,
- xpm_image_p,
- xpm_load,
- x_clear_image,
- NULL
-};
-
-
-/* XPM library details. */
-
-DEF_IMGLIB_FN (XpmFreeAttributes);
-DEF_IMGLIB_FN (XpmCreateImageFromBuffer);
-DEF_IMGLIB_FN (XpmReadFileToImage);
-DEF_IMGLIB_FN (XImageFree);
-
-
-static int
-init_xpm_functions (library)
- HMODULE library;
-{
- LOAD_IMGLIB_FN (library, XpmFreeAttributes);
- LOAD_IMGLIB_FN (library, XpmCreateImageFromBuffer);
- LOAD_IMGLIB_FN (library, XpmReadFileToImage);
- LOAD_IMGLIB_FN (library, XImageFree);
-
- return 1;
-}
-
-/* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list
- for XPM images. Such a list must consist of conses whose car and
- cdr are strings. */
-
-static int
-xpm_valid_color_symbols_p (color_symbols)
- Lisp_Object color_symbols;
-{
- while (CONSP (color_symbols))
- {
- Lisp_Object sym = XCAR (color_symbols);
- if (!CONSP (sym)
- || !STRINGP (XCAR (sym))
- || !STRINGP (XCDR (sym)))
- break;
- color_symbols = XCDR (color_symbols);
- }
-
- return NILP (color_symbols);
-}
-
-
-/* Value is non-zero if OBJECT is a valid XPM image specification. */
-
-static int
-xpm_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[XPM_LAST];
- bcopy (xpm_format, fmt, sizeof fmt);
- return (parse_image_spec (object, fmt, XPM_LAST, Qxpm)
- /* Either `:file' or `:data' must be present. */
- && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1
- /* Either no `:color-symbols' or it's a list of conses
- whose car and cdr are strings. */
- && (fmt[XPM_COLOR_SYMBOLS].count == 0
- || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value)));
-}
-
-
-/* Load image IMG which will be displayed on frame F. Value is
- non-zero if successful. */
-
-static int
-xpm_load (f, img)
- struct frame *f;
- struct image *img;
-{
- HDC hdc;
- int rc;
- XpmAttributes attrs;
- Lisp_Object specified_file, color_symbols;
- xpm_XImage * xpm_image, * xpm_mask;
-
- /* Configure the XPM lib. Use the visual of frame F. Allocate
- close colors. Return colors allocated. */
- bzero (&attrs, sizeof attrs);
- xpm_image = xpm_mask = NULL;
-
-#if 0
- attrs.visual = FRAME_X_VISUAL (f);
- attrs.colormap = FRAME_X_COLORMAP (f);
- attrs.valuemask |= XpmVisual;
- attrs.valuemask |= XpmColormap;
-#endif
- attrs.valuemask |= XpmReturnAllocPixels;
-#ifdef XpmAllocCloseColors
- attrs.alloc_close_colors = 1;
- attrs.valuemask |= XpmAllocCloseColors;
-#else
- attrs.closeness = 600;
- attrs.valuemask |= XpmCloseness;
-#endif
-
- /* If image specification contains symbolic color definitions, add
- these to `attrs'. */
- color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL);
- if (CONSP (color_symbols))
- {
- Lisp_Object tail;
- XpmColorSymbol *xpm_syms;
- int i, size;
-
- attrs.valuemask |= XpmColorSymbols;
-
- /* Count number of symbols. */
- attrs.numsymbols = 0;
- for (tail = color_symbols; CONSP (tail); tail = XCDR (tail))
- ++attrs.numsymbols;
-
- /* Allocate an XpmColorSymbol array. */
- size = attrs.numsymbols * sizeof *xpm_syms;
- xpm_syms = (XpmColorSymbol *) alloca (size);
- bzero (xpm_syms, size);
- attrs.colorsymbols = xpm_syms;
-
- /* Fill the color symbol array. */
- for (tail = color_symbols, i = 0;
- CONSP (tail);
- ++i, tail = XCDR (tail))
- {
- Lisp_Object name = XCAR (XCAR (tail));
- Lisp_Object color = XCDR (XCAR (tail));
- xpm_syms[i].name = (char *) alloca (SCHARS (name) + 1);
- strcpy (xpm_syms[i].name, SDATA (name));
- xpm_syms[i].value = (char *) alloca (SCHARS (color) + 1);
- strcpy (xpm_syms[i].value, SDATA (color));
- }
- }
-
- /* Create a pixmap for the image, either from a file, or from a
- string buffer containing data in the same format as an XPM file. */
-
- specified_file = image_spec_value (img->spec, QCfile, NULL);
-
- {
- HDC frame_dc = get_frame_dc (f);
- hdc = CreateCompatibleDC (frame_dc);
- release_frame_dc (f, frame_dc);
- }
-
- if (STRINGP (specified_file))
- {
- Lisp_Object file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- return 0;
- }
-
- /* XpmReadFileToPixmap is not available in the Windows port of
- libxpm. But XpmReadFileToImage almost does what we want. */
- rc = fn_XpmReadFileToImage (&hdc, SDATA (file),
- &xpm_image, &xpm_mask,
- &attrs);
- }
- else
- {
- Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL);
- /* XpmCreatePixmapFromBuffer is not available in the Windows port
- of libxpm. But XpmCreateImageFromBuffer almost does what we want. */
- rc = fn_XpmCreateImageFromBuffer (&hdc, SDATA (buffer),
- &xpm_image, &xpm_mask,
- &attrs);
- }
-
- if (rc == XpmSuccess)
- {
- int i;
-
- /* W32 XPM uses XImage to wrap what W32 Emacs calls a Pixmap,
- plus some duplicate attributes. */
- if (xpm_image && xpm_image->bitmap)
- {
- img->pixmap = xpm_image->bitmap;
- /* XImageFree in libXpm frees XImage struct without destroying
- the bitmap, which is what we want. */
- fn_XImageFree (xpm_image);
- }
- if (xpm_mask && xpm_mask->bitmap)
- {
- /* The mask appears to be inverted compared with what we expect.
- TODO: invert our expectations. See other places where we
- have to invert bits because our idea of masks is backwards. */
- HGDIOBJ old_obj;
- old_obj = SelectObject (hdc, xpm_mask->bitmap);
-
- PatBlt (hdc, 0, 0, xpm_mask->width, xpm_mask->height, DSTINVERT);
- SelectObject (hdc, old_obj);
-
- img->mask = xpm_mask->bitmap;
- fn_XImageFree (xpm_mask);
- DeleteDC (hdc);
- }
-
- DeleteDC (hdc);
-
- /* Remember allocated colors. */
- img->ncolors = attrs.nalloc_pixels;
- img->colors = (unsigned long *) xmalloc (img->ncolors
- * sizeof *img->colors);
- for (i = 0; i < attrs.nalloc_pixels; ++i)
- img->colors[i] = attrs.alloc_pixels[i];
-
- img->width = attrs.width;
- img->height = attrs.height;
- xassert (img->width > 0 && img->height > 0);
-
- /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */
- fn_XpmFreeAttributes (&attrs);
- }
- else
- {
- DeleteDC (hdc);
-
- switch (rc)
- {
- case XpmOpenFailed:
- image_error ("Error opening XPM file (%s)", img->spec, Qnil);
- break;
-
- case XpmFileInvalid:
- image_error ("Invalid XPM file (%s)", img->spec, Qnil);
- break;
-
- case XpmNoMemory:
- image_error ("Out of memory (%s)", img->spec, Qnil);
- break;
-
- case XpmColorFailed:
- image_error ("Color allocation error (%s)", img->spec, Qnil);
- break;
-
- default:
- image_error ("Unknown error (%s)", img->spec, Qnil);
- break;
- }
- }
-
- return rc == XpmSuccess;
-}
-
-#endif /* HAVE_XPM != 0 */
-
-\f
-#if 0 /* TODO : Color tables on W32. */
-/***********************************************************************
- Color table
- ***********************************************************************/
-
-/* An entry in the color table mapping an RGB color to a pixel color. */
-
-struct ct_color
-{
- int r, g, b;
- unsigned long pixel;
-
- /* Next in color table collision list. */
- struct ct_color *next;
-};
-
-/* The bucket vector size to use. Must be prime. */
-
-#define CT_SIZE 101
-
-/* Value is a hash of the RGB color given by R, G, and B. */
-
-#define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B))
-
-/* The color hash table. */
-
-struct ct_color **ct_table;
-
-/* Number of entries in the color table. */
-
-int ct_colors_allocated;
-
-/* Function prototypes. */
-
-static void init_color_table P_ ((void));
-static void free_color_table P_ ((void));
-static unsigned long *colors_in_color_table P_ ((int *n));
-static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b));
-static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p));
-
-
-/* Initialize the color table. */
-
-static void
-init_color_table ()
-{
- int size = CT_SIZE * sizeof (*ct_table);
- ct_table = (struct ct_color **) xmalloc (size);
- bzero (ct_table, size);
- ct_colors_allocated = 0;
-}
-
-
-/* Free memory associated with the color table. */
-
-static void
-free_color_table ()
-{
- int i;
- struct ct_color *p, *next;
-
- for (i = 0; i < CT_SIZE; ++i)
- for (p = ct_table[i]; p; p = next)
- {
- next = p->next;
- xfree (p);
- }
-
- xfree (ct_table);
- ct_table = NULL;
-}
-
-
-/* Value is a pixel color for RGB color R, G, B on frame F. If an
- entry for that color already is in the color table, return the
- pixel color of that entry. Otherwise, allocate a new color for R,
- G, B, and make an entry in the color table. */
-
-static unsigned long
-lookup_rgb_color (f, r, g, b)
- struct frame *f;
- int r, g, b;
-{
- unsigned hash = CT_HASH_RGB (r, g, b);
- int i = hash % CT_SIZE;
- struct ct_color *p;
-
- for (p = ct_table[i]; p; p = p->next)
- if (p->r == r && p->g == g && p->b == b)
- break;
-
- if (p == NULL)
- {
- COLORREF color;
- Colormap cmap;
- int rc;
-
- color = PALETTERGB (r, g, b);
-
- ++ct_colors_allocated;
-
- p = (struct ct_color *) xmalloc (sizeof *p);
- p->r = r;
- p->g = g;
- p->b = b;
- p->pixel = color;
- p->next = ct_table[i];
- ct_table[i] = p;
- }
-
- return p->pixel;
-}
-
-
-/* Look up pixel color PIXEL which is used on frame F in the color
- table. If not already present, allocate it. Value is PIXEL. */
-
-static unsigned long
-lookup_pixel_color (f, pixel)
- struct frame *f;
- unsigned long pixel;
-{
- int i = pixel % CT_SIZE;
- struct ct_color *p;
-
- for (p = ct_table[i]; p; p = p->next)
- if (p->pixel == pixel)
- break;
-
- if (p == NULL)
- {
- XColor color;
- Colormap cmap;
- int rc;
-
- BLOCK_INPUT;
-
- cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
- color.pixel = pixel;
- XQueryColor (NULL, cmap, &color);
- rc = x_alloc_nearest_color (f, cmap, &color);
- UNBLOCK_INPUT;
-
- if (rc)
- {
- ++ct_colors_allocated;
-
- p = (struct ct_color *) xmalloc (sizeof *p);
- p->r = color.red;
- p->g = color.green;
- p->b = color.blue;
- p->pixel = pixel;
- p->next = ct_table[i];
- ct_table[i] = p;
- }
- else
- return FRAME_FOREGROUND_PIXEL (f);
- }
- return p->pixel;
-}
-
-
-/* Value is a vector of all pixel colors contained in the color table,
- allocated via xmalloc. Set *N to the number of colors. */
-
-static unsigned long *
-colors_in_color_table (n)
- int *n;
-{
- int i, j;
- struct ct_color *p;
- unsigned long *colors;
-
- if (ct_colors_allocated == 0)
- {
- *n = 0;
- colors = NULL;
- }
- else
- {
- colors = (unsigned long *) xmalloc (ct_colors_allocated
- * sizeof *colors);
- *n = ct_colors_allocated;
-
- for (i = j = 0; i < CT_SIZE; ++i)
- for (p = ct_table[i]; p; p = p->next)
- colors[j++] = p->pixel;
- }
-
- return colors;
-}
-
-#endif /* TODO */
-
-\f
-/***********************************************************************
- Algorithms
- ***********************************************************************/
-static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int));
-static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *));
-static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int));
-static void XPutPixel (XImage *, int, int, COLORREF);
-
-/* Non-zero means draw a cross on images having `:conversion
- disabled'. */
-
-int cross_disabled_images;
-
-/* Edge detection matrices for different edge-detection
- strategies. */
-
-static int emboss_matrix[9] = {
- /* x - 1 x x + 1 */
- 2, -1, 0, /* y - 1 */
- -1, 0, 1, /* y */
- 0, 1, -2 /* y + 1 */
-};
-
-static int laplace_matrix[9] = {
- /* x - 1 x x + 1 */
- 1, 0, 0, /* y - 1 */
- 0, 0, 0, /* y */
- 0, 0, -1 /* y + 1 */
-};
-
-/* Value is the intensity of the color whose red/green/blue values
- are R, G, and B. */
-
-#define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6)
-
-
-/* On frame F, return an array of XColor structures describing image
- IMG->pixmap. Each XColor structure has its pixel color set. RGB_P
- non-zero means also fill the red/green/blue members of the XColor
- structures. Value is a pointer to the array of XColors structures,
- allocated with xmalloc; it must be freed by the caller. */
-
-static XColor *
-x_to_xcolors (f, img, rgb_p)
- struct frame *f;
- struct image *img;
- int rgb_p;
-{
- int x, y;
- XColor *colors, *p;
- HDC hdc, bmpdc;
- HGDIOBJ prev;
-
- colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors);
-
- /* Load the image into a memory device context. */
- hdc = get_frame_dc (f);
- bmpdc = CreateCompatibleDC (hdc);
- release_frame_dc (f, hdc);
- prev = SelectObject (bmpdc, img->pixmap);
-
- /* Fill the `pixel' members of the XColor array. I wished there
- were an easy and portable way to circumvent XGetPixel. */
- p = colors;
- for (y = 0; y < img->height; ++y)
- {
- XColor *row = p;
-
- for (x = 0; x < img->width; ++x, ++p)
- {
- /* TODO: palette support needed here? */
- p->pixel = GetPixel (bmpdc, x, y);
-
- if (rgb_p)
- {
- p->red = 256 * GetRValue (p->pixel);
- p->green = 256 * GetGValue (p->pixel);
- p->blue = 256 * GetBValue (p->pixel);
- }
- }
- }
-
- SelectObject (bmpdc, prev);
- DeleteDC (bmpdc);
-
- return colors;
-}
-
-/* Put a pixel of COLOR at position X, Y in XIMG. XIMG must have been
- created with CreateDIBSection, with the pointer to the bit values
- stored in ximg->data. */
-
-static void XPutPixel (ximg, x, y, color)
- XImage * ximg;
- int x, y;
- COLORREF color;
-{
- int width = ximg->info.bmiHeader.biWidth;
- int height = ximg->info.bmiHeader.biHeight;
- unsigned char * pixel;
-
- /* True color images. */
- if (ximg->info.bmiHeader.biBitCount == 24)
- {
- int rowbytes = width * 3;
- /* Ensure scanlines are aligned on 4 byte boundaries. */
- if (rowbytes % 4)
- rowbytes += 4 - (rowbytes % 4);
-
- pixel = ximg->data + y * rowbytes + x * 3;
- /* Windows bitmaps are in BGR order. */
- *pixel = GetBValue (color);
- *(pixel + 1) = GetGValue (color);
- *(pixel + 2) = GetRValue (color);
- }
- /* Monochrome images. */
- else if (ximg->info.bmiHeader.biBitCount == 1)
- {
- int rowbytes = width / 8;
- /* Ensure scanlines are aligned on 4 byte boundaries. */
- if (rowbytes % 4)
- rowbytes += 4 - (rowbytes % 4);
- pixel = ximg->data + y * rowbytes + x / 8;
- /* Filter out palette info. */
- if (color & 0x00ffffff)
- *pixel = *pixel | (1 << x % 8);
- else
- *pixel = *pixel & ~(1 << x % 8);
- }
- else
- image_error ("XPutPixel: palette image not supported", Qnil, Qnil);
-}
-
-/* Create IMG->pixmap from an array COLORS of XColor structures, whose
- RGB members are set. F is the frame on which this all happens.
- COLORS will be freed; an existing IMG->pixmap will be freed, too. */
-
-static void
-x_from_xcolors (f, img, colors)
- struct frame *f;
- struct image *img;
- XColor *colors;
-{
- int x, y;
- XImage *oimg;
- Pixmap pixmap;
- XColor *p;
-#if 0 /* TODO: color tables. */
- init_color_table ();
-#endif
- x_create_x_image_and_pixmap (f, img->width, img->height, 0,
- &oimg, &pixmap);
- p = colors;
- for (y = 0; y < img->height; ++y)
- for (x = 0; x < img->width; ++x, ++p)
- {
- unsigned long pixel;
-#if 0 /* TODO: color tables. */
- pixel = lookup_rgb_color (f, p->red, p->green, p->blue);
-#else
- pixel = PALETTERGB (p->red / 256, p->green / 256, p->blue / 256);
-#endif
- XPutPixel (oimg, x, y, pixel);
- }
-
- xfree (colors);
- x_clear_image_1 (f, img, 1, 0, 1);
-
- x_put_x_image (f, oimg, pixmap, img->width, img->height);
- x_destroy_x_image (oimg);
- img->pixmap = pixmap;
-#if 0 /* TODO: color tables. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
-}
-
-
-/* On frame F, perform edge-detection on image IMG.
-
- MATRIX is a nine-element array specifying the transformation
- matrix. See emboss_matrix for an example.
-
- COLOR_ADJUST is a color adjustment added to each pixel of the
- outgoing image. */
-
-static void
-x_detect_edges (f, img, matrix, color_adjust)
- struct frame *f;
- struct image *img;
- int matrix[9], color_adjust;
-{
- XColor *colors = x_to_xcolors (f, img, 1);
- XColor *new, *p;
- int x, y, i, sum;
-
- for (i = sum = 0; i < 9; ++i)
- sum += abs (matrix[i]);
-
-#define COLOR(A, X, Y) ((A) + (Y) * img->width + (X))
-
- new = (XColor *) xmalloc (img->width * img->height * sizeof *new);
-
- for (y = 0; y < img->height; ++y)
- {
- p = COLOR (new, 0, y);
- p->red = p->green = p->blue = 0xffff/2;
- p = COLOR (new, img->width - 1, y);
- p->red = p->green = p->blue = 0xffff/2;
- }
-
- for (x = 1; x < img->width - 1; ++x)
- {
- p = COLOR (new, x, 0);
- p->red = p->green = p->blue = 0xffff/2;
- p = COLOR (new, x, img->height - 1);
- p->red = p->green = p->blue = 0xffff/2;
- }
-
- for (y = 1; y < img->height - 1; ++y)
- {
- p = COLOR (new, 1, y);
-
- for (x = 1; x < img->width - 1; ++x, ++p)
- {
- int r, g, b, y1, x1;
-
- r = g = b = i = 0;
- for (y1 = y - 1; y1 < y + 2; ++y1)
- for (x1 = x - 1; x1 < x + 2; ++x1, ++i)
- if (matrix[i])
- {
- XColor *t = COLOR (colors, x1, y1);
- r += matrix[i] * t->red;
- g += matrix[i] * t->green;
- b += matrix[i] * t->blue;
- }
-
- r = (r / sum + color_adjust) & 0xffff;
- g = (g / sum + color_adjust) & 0xffff;
- b = (b / sum + color_adjust) & 0xffff;
- p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b);
- }
- }
-
- xfree (colors);
- x_from_xcolors (f, img, new);
-
-#undef COLOR
-}
-
-
-/* Perform the pre-defined `emboss' edge-detection on image IMG
- on frame F. */
-
-static void
-x_emboss (f, img)
- struct frame *f;
- struct image *img;
-{
- x_detect_edges (f, img, emboss_matrix, 0xffff / 2);
-}
-
-
-/* Transform image IMG which is used on frame F with a Laplace
- edge-detection algorithm. The result is an image that can be used
- to draw disabled buttons, for example. */
-
-static void
-x_laplace (f, img)
- struct frame *f;
- struct image *img;
-{
- x_detect_edges (f, img, laplace_matrix, 45000);
-}
-
-
-/* Perform edge-detection on image IMG on frame F, with specified
- transformation matrix MATRIX and color-adjustment COLOR_ADJUST.
-
- MATRIX must be either
-
- - a list of at least 9 numbers in row-major form
- - a vector of at least 9 numbers
-
- COLOR_ADJUST nil means use a default; otherwise it must be a
- number. */
-
-static void
-x_edge_detection (f, img, matrix, color_adjust)
- struct frame *f;
- struct image *img;
- Lisp_Object matrix, color_adjust;
-{
- int i = 0;
- int trans[9];
-
- if (CONSP (matrix))
- {
- for (i = 0;
- i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix));
- ++i, matrix = XCDR (matrix))
- trans[i] = XFLOATINT (XCAR (matrix));
- }
- else if (VECTORP (matrix) && ASIZE (matrix) >= 9)
- {
- for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i)
- trans[i] = XFLOATINT (AREF (matrix, i));
- }
-
- if (NILP (color_adjust))
- color_adjust = make_number (0xffff / 2);
-
- if (i == 9 && NUMBERP (color_adjust))
- x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust));
-}
-
-
-/* Transform image IMG on frame F so that it looks disabled. */
-
-static void
-x_disable_image (f, img)
- struct frame *f;
- struct image *img;
-{
- struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
-
- if (dpyinfo->n_planes * dpyinfo->n_cbits >= 2)
- {
- /* Color (or grayscale). Convert to gray, and equalize. Just
- drawing such images with a stipple can look very odd, so
- we're using this method instead. */
- XColor *colors = x_to_xcolors (f, img, 1);
- XColor *p, *end;
- const int h = 15000;
- const int l = 30000;
-
- for (p = colors, end = colors + img->width * img->height;
- p < end;
- ++p)
- {
- int i = COLOR_INTENSITY (p->red, p->green, p->blue);
- int i2 = (0xffff - h - l) * i / 0xffff + l;
- p->red = p->green = p->blue = i2;
- }
-
- x_from_xcolors (f, img, colors);
- }
-
- /* Draw a cross over the disabled image, if we must or if we
- should. */
- if (dpyinfo->n_planes * dpyinfo->n_cbits < 2 || cross_disabled_images)
- {
- HDC hdc, bmpdc;
- HGDIOBJ prev;
-
- hdc = get_frame_dc (f);
- bmpdc = CreateCompatibleDC (hdc);
- release_frame_dc (f, hdc);
-
- prev = SelectObject (bmpdc, img->pixmap);
-
- SetTextColor (bmpdc, BLACK_PIX_DEFAULT (f));
- MoveToEx (bmpdc, 0, 0, NULL);
- LineTo (bmpdc, img->width - 1, img->height - 1);
- MoveToEx (bmpdc, 0, img->height - 1, NULL);
- LineTo (bmpdc, img->width - 1, 0);
-
- if (img->mask)
- {
- SelectObject (bmpdc, img->mask);
- SetTextColor (bmpdc, WHITE_PIX_DEFAULT (f));
- MoveToEx (bmpdc, 0, 0, NULL);
- LineTo (bmpdc, img->width - 1, img->height - 1);
- MoveToEx (bmpdc, 0, img->height - 1, NULL);
- LineTo (bmpdc, img->width - 1, 0);
- }
- SelectObject (bmpdc, prev);
- DeleteDC (bmpdc);
- }
-}
-
-
-/* Build a mask for image IMG which is used on frame F. FILE is the
- name of an image file, for error messages. HOW determines how to
- determine the background color of IMG. If it is a list '(R G B)',
- with R, G, and B being integers >= 0, take that as the color of the
- background. Otherwise, determine the background color of IMG
- heuristically. Value is non-zero if successful. */
-
-static int
-x_build_heuristic_mask (f, img, how)
- struct frame *f;
- struct image *img;
- Lisp_Object how;
-{
- HDC img_dc, frame_dc;
- HGDIOBJ prev;
- char *mask_img;
- int x, y, rc, use_img_background;
- unsigned long bg = 0;
- int row_width;
-
- if (img->mask)
- {
- DeleteObject (img->mask);
- img->mask = NULL;
- img->background_transparent_valid = 0;
- }
-
- /* Create the bit array serving as mask. */
- row_width = (img->width + 7) / 8;
- mask_img = xmalloc (row_width * img->height);
- bzero (mask_img, row_width * img->height);
-
- /* Create a memory device context for IMG->pixmap. */
- frame_dc = get_frame_dc (f);
- img_dc = CreateCompatibleDC (frame_dc);
- release_frame_dc (f, frame_dc);
- prev = SelectObject (img_dc, img->pixmap);
-
- /* Determine the background color of img_dc. If HOW is `(R G B)'
- take that as color. Otherwise, use the image's background color. */
- use_img_background = 1;
-
- if (CONSP (how))
- {
- int rgb[3], i;
-
- for (i = 0; i < 3 && CONSP (how) && NATNUMP (XCAR (how)); ++i)
- {
- rgb[i] = XFASTINT (XCAR (how)) & 0xffff;
- how = XCDR (how);
- }
-
- if (i == 3 && NILP (how))
- {
- char color_name[30];
- sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]);
- bg = x_alloc_image_color (f, img, build_string (color_name), 0)
- & 0x00ffffff; /* Filter out palette info. */
- use_img_background = 0;
- }
- }
-
- if (use_img_background)
- bg = four_corners_best (img_dc, img->width, img->height);
-
- /* Set all bits in mask_img to 1 whose color in ximg is different
- from the background color bg. */
- for (y = 0; y < img->height; ++y)
- for (x = 0; x < img->width; ++x)
- {
- COLORREF p = GetPixel (img_dc, x, y);
- if (p != bg)
- mask_img[y * row_width + x / 8] |= 1 << (x % 8);
- }
-
- /* Create the mask image. */
- img->mask = w32_create_pixmap_from_bitmap_data (img->width, img->height,
- mask_img);
-
- /* Fill in the background_transparent field while we have the mask handy. */
- SelectObject (img_dc, img->mask);
-
- image_background_transparent (img, f, img_dc);
-
- /* Put mask_img into img->mask. */
- x_destroy_x_image ((XImage *)mask_img);
- SelectObject (img_dc, prev);
- DeleteDC (img_dc);
-
- return 1;
-}
-
-\f
-/***********************************************************************
- PBM (mono, gray, color)
- ***********************************************************************/
-
-static int pbm_image_p P_ ((Lisp_Object object));
-static int pbm_load P_ ((struct frame *f, struct image *img));
-static int pbm_scan_number P_ ((unsigned char **, unsigned char *));
-
-/* The symbol `pbm' identifying images of this type. */
-
-Lisp_Object Qpbm;
-
-/* Indices of image specification fields in gs_format, below. */
-
-enum pbm_keyword_index
-{
- PBM_TYPE,
- PBM_FILE,
- PBM_DATA,
- PBM_ASCENT,
- PBM_MARGIN,
- PBM_RELIEF,
- PBM_ALGORITHM,
- PBM_HEURISTIC_MASK,
- PBM_MASK,
- PBM_FOREGROUND,
- PBM_BACKGROUND,
- PBM_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword pbm_format[PBM_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":file", IMAGE_STRING_VALUE, 0},
- {":data", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `pbm'. */
-
-static struct image_type pbm_type =
-{
- &Qpbm,
- pbm_image_p,
- pbm_load,
- x_clear_image,
- NULL
-};
-
-
-/* Return non-zero if OBJECT is a valid PBM image specification. */
-
-static int
-pbm_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[PBM_LAST];
-
- bcopy (pbm_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm))
- return 0;
-
- /* Must specify either :data or :file. */
- return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1;
-}
-
-
-/* Scan a decimal number from *S and return it. Advance *S while
- reading the number. END is the end of the string. Value is -1 at
- end of input. */
-
-static int
-pbm_scan_number (s, end)
- unsigned char **s, *end;
-{
- int c, val = -1;
-
- while (*s < end)
- {
- /* Skip white-space. */
- while (*s < end && (c = *(*s)++, isspace (c)))
- ;
-
- if (c == '#')
- {
- /* Skip comment to end of line. */
- while (*s < end && (c = *(*s)++, c != '\n'))
- ;
- }
- else if (isdigit (c))
- {
- /* Read decimal number. */
- val = c - '0';
- while (*s < end && (c = *(*s)++, isdigit (c)))
- val = 10 * val + c - '0';
- break;
- }
- else
- break;
- }
-
- return val;
-}
-
-
-/* Read FILE into memory. Value is a pointer to a buffer allocated
- with xmalloc holding FILE's contents. Value is null if an error
- occurred. *SIZE is set to the size of the file. */
-
-static char *
-pbm_read_file (file, size)
- Lisp_Object file;
- int *size;
-{
- FILE *fp = NULL;
- char *buf = NULL;
- struct stat st;
-
- if (stat (SDATA (file), &st) == 0
- && (fp = fopen (SDATA (file), "rb")) != NULL
- && (buf = (char *) xmalloc (st.st_size),
- fread (buf, 1, st.st_size, fp) == st.st_size))
- {
- *size = st.st_size;
- fclose (fp);
- }
- else
- {
- if (fp)
- fclose (fp);
- if (buf)
- {
- xfree (buf);
- buf = NULL;
- }
- }
-
- return buf;
-}
-
-
-/* Load PBM image IMG for use on frame F. */
-
-static int
-pbm_load (f, img)
- struct frame *f;
- struct image *img;
-{
- int raw_p, x, y;
- int width, height, max_color_idx = 0;
- XImage *ximg;
- Lisp_Object file, specified_file;
- enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
- struct gcpro gcpro1;
- unsigned char *contents = NULL;
- unsigned char *end, *p;
- int size;
-
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- file = Qnil;
- GCPRO1 (file);
-
- if (STRINGP (specified_file))
- {
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- contents = slurp_file (SDATA (file), &size);
- if (contents == NULL)
- {
- image_error ("Error reading `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- p = contents;
- end = contents + size;
- }
- else
- {
- Lisp_Object data;
- data = image_spec_value (img->spec, QCdata, NULL);
- p = SDATA (data);
- end = p + SBYTES (data);
- }
-
- /* Check magic number. */
- if (end - p < 2 || *p++ != 'P')
- {
- image_error ("Not a PBM image: `%s'", img->spec, Qnil);
- error:
- xfree (contents);
- UNGCPRO;
- return 0;
- }
-
- switch (*p++)
- {
- case '1':
- raw_p = 0, type = PBM_MONO;
- break;
-
- case '2':
- raw_p = 0, type = PBM_GRAY;
- break;
-
- case '3':
- raw_p = 0, type = PBM_COLOR;
- break;
-
- case '4':
- raw_p = 1, type = PBM_MONO;
- break;
-
- case '5':
- raw_p = 1, type = PBM_GRAY;
- break;
-
- case '6':
- raw_p = 1, type = PBM_COLOR;
- break;
-
- default:
- image_error ("Not a PBM image: `%s'", img->spec, Qnil);
- goto error;
- }
-
- /* Read width, height, maximum color-component. Characters
- starting with `#' up to the end of a line are ignored. */
- width = pbm_scan_number (&p, end);
- height = pbm_scan_number (&p, end);
-
- if (type != PBM_MONO)
- {
- max_color_idx = pbm_scan_number (&p, end);
- if (raw_p && max_color_idx > 255)
- max_color_idx = 255;
- }
-
- if (width < 0
- || height < 0
- || (type != PBM_MONO && max_color_idx < 0))
- goto error;
-
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- goto error;
-
-#if 0 /* TODO: color tables. */
- /* Initialize the color hash table. */
- init_color_table ();
-#endif
-
- if (type == PBM_MONO)
- {
- int c = 0, g;
- struct image_keyword fmt[PBM_LAST];
- unsigned long fg = FRAME_FOREGROUND_PIXEL (f);
- unsigned long bg = FRAME_BACKGROUND_PIXEL (f);
-
- /* Parse the image specification. */
- bcopy (pbm_format, fmt, sizeof fmt);
- parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm);
-
- /* Get foreground and background colors, maybe allocate colors. */
- if (fmt[PBM_FOREGROUND].count
- && STRINGP (fmt[PBM_FOREGROUND].value))
- fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg);
- if (fmt[PBM_BACKGROUND].count
- && STRINGP (fmt[PBM_BACKGROUND].value))
- {
- bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg);
- img->background = bg;
- img->background_valid = 1;
- }
-
- for (y = 0; y < height; ++y)
- for (x = 0; x < width; ++x)
- {
- if (raw_p)
- {
- if ((x & 7) == 0)
- c = *p++;
- g = c & 0x80;
- c <<= 1;
- }
- else
- g = pbm_scan_number (&p, end);
-
- XPutPixel (ximg, x, y, g ? fg : bg);
- }
- }
- else
- {
- for (y = 0; y < height; ++y)
- for (x = 0; x < width; ++x)
- {
- int r, g, b;
-
- if (type == PBM_GRAY)
- r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end);
- else if (raw_p)
- {
- r = *p++;
- g = *p++;
- b = *p++;
- }
- else
- {
- r = pbm_scan_number (&p, end);
- g = pbm_scan_number (&p, end);
- b = pbm_scan_number (&p, end);
- }
-
- if (r < 0 || g < 0 || b < 0)
- {
- x_destroy_x_image (ximg);
- image_error ("Invalid pixel value in image `%s'",
- img->spec, Qnil);
- goto error;
- }
-
- /* RGB values are now in the range 0..max_color_idx.
- Scale this to the range 0..0xff supported by W32. */
- r = (int) ((double) r * 255 / max_color_idx);
- g = (int) ((double) g * 255 / max_color_idx);
- b = (int) ((double) b * 255 / max_color_idx);
- XPutPixel (ximg, x, y,
-#if 0 /* TODO: color tables. */
- lookup_rgb_color (f, r, g, b));
-#else
- PALETTERGB (r, g, b));
-#endif
- }
- }
-
-#if 0 /* TODO: color tables. */
- /* Store in IMG->colors the colors allocated for the image, and
- free the color table. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into a pixmap. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
-
- img->width = width;
- img->height = height;
-
- UNGCPRO;
- xfree (contents);
- return 1;
-}
-
-\f
-/***********************************************************************
- PNG
- ***********************************************************************/
-
-#if HAVE_PNG
-
-#include <png.h>
-
-/* Function prototypes. */
-
-static int png_image_p P_ ((Lisp_Object object));
-static int png_load P_ ((struct frame *f, struct image *img));
-
-/* The symbol `png' identifying images of this type. */
-
-Lisp_Object Qpng;
-
-/* Indices of image specification fields in png_format, below. */
-
-enum png_keyword_index
-{
- PNG_TYPE,
- PNG_DATA,
- PNG_FILE,
- PNG_ASCENT,
- PNG_MARGIN,
- PNG_RELIEF,
- PNG_ALGORITHM,
- PNG_HEURISTIC_MASK,
- PNG_MASK,
- PNG_BACKGROUND,
- PNG_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword png_format[PNG_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":data", IMAGE_STRING_VALUE, 0},
- {":file", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `png'. */
-
-static struct image_type png_type =
-{
- &Qpng,
- png_image_p,
- png_load,
- x_clear_image,
- NULL
-};
-
-/* PNG library details. */
-
-DEF_IMGLIB_FN (png_get_io_ptr);
-DEF_IMGLIB_FN (png_check_sig);
-DEF_IMGLIB_FN (png_create_read_struct);
-DEF_IMGLIB_FN (png_create_info_struct);
-DEF_IMGLIB_FN (png_destroy_read_struct);
-DEF_IMGLIB_FN (png_set_read_fn);
-DEF_IMGLIB_FN (png_init_io);
-DEF_IMGLIB_FN (png_set_sig_bytes);
-DEF_IMGLIB_FN (png_read_info);
-DEF_IMGLIB_FN (png_get_IHDR);
-DEF_IMGLIB_FN (png_get_valid);
-DEF_IMGLIB_FN (png_set_strip_16);
-DEF_IMGLIB_FN (png_set_expand);
-DEF_IMGLIB_FN (png_set_gray_to_rgb);
-DEF_IMGLIB_FN (png_set_background);
-DEF_IMGLIB_FN (png_get_bKGD);
-DEF_IMGLIB_FN (png_read_update_info);
-DEF_IMGLIB_FN (png_get_channels);
-DEF_IMGLIB_FN (png_get_rowbytes);
-DEF_IMGLIB_FN (png_read_image);
-DEF_IMGLIB_FN (png_read_end);
-DEF_IMGLIB_FN (png_error);
-
-static int
-init_png_functions (library)
- HMODULE library;
-{
- LOAD_IMGLIB_FN (library, png_get_io_ptr);
- LOAD_IMGLIB_FN (library, png_check_sig);
- LOAD_IMGLIB_FN (library, png_create_read_struct);
- LOAD_IMGLIB_FN (library, png_create_info_struct);
- LOAD_IMGLIB_FN (library, png_destroy_read_struct);
- LOAD_IMGLIB_FN (library, png_set_read_fn);
- LOAD_IMGLIB_FN (library, png_init_io);
- LOAD_IMGLIB_FN (library, png_set_sig_bytes);
- LOAD_IMGLIB_FN (library, png_read_info);
- LOAD_IMGLIB_FN (library, png_get_IHDR);
- LOAD_IMGLIB_FN (library, png_get_valid);
- LOAD_IMGLIB_FN (library, png_set_strip_16);
- LOAD_IMGLIB_FN (library, png_set_expand);
- LOAD_IMGLIB_FN (library, png_set_gray_to_rgb);
- LOAD_IMGLIB_FN (library, png_set_background);
- LOAD_IMGLIB_FN (library, png_get_bKGD);
- LOAD_IMGLIB_FN (library, png_read_update_info);
- LOAD_IMGLIB_FN (library, png_get_channels);
- LOAD_IMGLIB_FN (library, png_get_rowbytes);
- LOAD_IMGLIB_FN (library, png_read_image);
- LOAD_IMGLIB_FN (library, png_read_end);
- LOAD_IMGLIB_FN (library, png_error);
- return 1;
-}
-
-/* Return non-zero if OBJECT is a valid PNG image specification. */
-
-static int
-png_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[PNG_LAST];
- bcopy (png_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, PNG_LAST, Qpng))
- return 0;
-
- /* Must specify either the :data or :file keyword. */
- return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
-}
-
-
-/* Error and warning handlers installed when the PNG library
- is initialized. */
-
-static void
-my_png_error (png_ptr, msg)
- png_struct *png_ptr;
- char *msg;
-{
- xassert (png_ptr != NULL);
- image_error ("PNG error: %s", build_string (msg), Qnil);
- longjmp (png_ptr->jmpbuf, 1);
-}
-
-
-static void
-my_png_warning (png_ptr, msg)
- png_struct *png_ptr;
- char *msg;
-{
- xassert (png_ptr != NULL);
- image_error ("PNG warning: %s", build_string (msg), Qnil);
-}
-
-/* Memory source for PNG decoding. */
-
-struct png_memory_storage
-{
- unsigned char *bytes; /* The data */
- size_t len; /* How big is it? */
- int index; /* Where are we? */
-};
-
-
-/* Function set as reader function when reading PNG image from memory.
- PNG_PTR is a pointer to the PNG control structure. Copy LENGTH
- bytes from the input to DATA. */
-
-static void
-png_read_from_memory (png_ptr, data, length)
- png_structp png_ptr;
- png_bytep data;
- png_size_t length;
-{
- struct png_memory_storage *tbr
- = (struct png_memory_storage *) fn_png_get_io_ptr (png_ptr);
-
- if (length > tbr->len - tbr->index)
- fn_png_error (png_ptr, "Read error");
-
- bcopy (tbr->bytes + tbr->index, data, length);
- tbr->index = tbr->index + length;
-}
-
-/* Load PNG image IMG for use on frame F. Value is non-zero if
- successful. */
-
-static int
-png_load (f, img)
- struct frame *f;
- struct image *img;
-{
- Lisp_Object file, specified_file;
- Lisp_Object specified_data;
- int x, y, i;
- XImage *ximg, *mask_img = NULL;
- struct gcpro gcpro1;
- png_struct *png_ptr = NULL;
- png_info *info_ptr = NULL, *end_info = NULL;
- FILE *volatile fp = NULL;
- png_byte sig[8];
- png_byte * volatile pixels = NULL;
- png_byte ** volatile rows = NULL;
- png_uint_32 width, height;
- int bit_depth, color_type, interlace_type;
- png_byte channels;
- png_uint_32 row_bytes;
- int transparent_p;
- double screen_gamma, image_gamma;
- int intent;
- struct png_memory_storage tbr; /* Data to be read */
-
- /* Find out what file to load. */
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
- file = Qnil;
- GCPRO1 (file);
-
- if (NILP (specified_data))
- {
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- /* Open the image file. */
- fp = fopen (SDATA (file), "rb");
- if (!fp)
- {
- image_error ("Cannot open image file `%s'", file, Qnil);
- UNGCPRO;
- fclose (fp);
- return 0;
- }
-
- /* Check PNG signature. */
- if (fread (sig, 1, sizeof sig, fp) != sizeof sig
- || !fn_png_check_sig (sig, sizeof sig))
- {
- image_error ("Not a PNG file: `%s'", file, Qnil);
- UNGCPRO;
- fclose (fp);
- return 0;
- }
- }
- else
- {
- /* Read from memory. */
- tbr.bytes = SDATA (specified_data);
- tbr.len = SBYTES (specified_data);
- tbr.index = 0;
-
- /* Check PNG signature. */
- if (tbr.len < sizeof sig
- || !fn_png_check_sig (tbr.bytes, sizeof sig))
- {
- image_error ("Not a PNG image: `%s'", img->spec, Qnil);
- UNGCPRO;
- return 0;
- }
-
- /* Need to skip past the signature. */
- tbr.bytes += sizeof (sig);
- }
-
- /* Initialize read and info structs for PNG lib. */
- png_ptr = fn_png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL,
- my_png_error, my_png_warning);
- if (!png_ptr)
- {
- if (fp) fclose (fp);
- UNGCPRO;
- return 0;
- }
-
- info_ptr = fn_png_create_info_struct (png_ptr);
- if (!info_ptr)
- {
- fn_png_destroy_read_struct (&png_ptr, NULL, NULL);
- if (fp) fclose (fp);
- UNGCPRO;
- return 0;
- }
-
- end_info = fn_png_create_info_struct (png_ptr);
- if (!end_info)
- {
- fn_png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
- if (fp) fclose (fp);
- UNGCPRO;
- return 0;
- }
-
- /* Set error jump-back. We come back here when the PNG library
- detects an error. */
- if (setjmp (png_ptr->jmpbuf))
- {
- error:
- if (png_ptr)
- fn_png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
- xfree (pixels);
- xfree (rows);
- if (fp) fclose (fp);
- UNGCPRO;
- return 0;
- }
-
- /* Read image info. */
- if (!NILP (specified_data))
- fn_png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory);
- else
- fn_png_init_io (png_ptr, fp);
-
- fn_png_set_sig_bytes (png_ptr, sizeof sig);
- fn_png_read_info (png_ptr, info_ptr);
- fn_png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
- &interlace_type, NULL, NULL);
-
- /* If image contains simply transparency data, we prefer to
- construct a clipping mask. */
- if (fn_png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
- transparent_p = 1;
- else
- transparent_p = 0;
-
- /* This function is easier to write if we only have to handle
- one data format: RGB or RGBA with 8 bits per channel. Let's
- transform other formats into that format. */
-
- /* Strip more than 8 bits per channel. */
- if (bit_depth == 16)
- fn_png_set_strip_16 (png_ptr);
-
- /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
- if available. */
- fn_png_set_expand (png_ptr);
-
- /* Convert grayscale images to RGB. */
- if (color_type == PNG_COLOR_TYPE_GRAY
- || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- fn_png_set_gray_to_rgb (png_ptr);
-
- screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2);
-
-#if 0 /* Avoid double gamma correction for PNG images. */
- /* Tell the PNG lib to handle gamma correction for us. */
-#if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
- if (png_get_sRGB (png_ptr, info_ptr, &intent))
- /* The libpng documentation says this is right in this case. */
- png_set_gamma (png_ptr, screen_gamma, 0.45455);
- else
-#endif
- if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
- /* Image contains gamma information. */
- png_set_gamma (png_ptr, screen_gamma, image_gamma);
- else
- /* Use the standard default for the image gamma. */
- png_set_gamma (png_ptr, screen_gamma, 0.45455);
-#endif /* if 0 */
-
- /* Handle alpha channel by combining the image with a background
- color. Do this only if a real alpha channel is supplied. For
- simple transparency, we prefer a clipping mask. */
- if (!transparent_p)
- {
- png_color_16 *image_bg;
- Lisp_Object specified_bg
- = image_spec_value (img->spec, QCbackground, NULL);
-
- if (STRINGP (specified_bg))
- /* The user specified `:background', use that. */
- {
- COLORREF color;
- if (w32_defined_color (f, SDATA (specified_bg), &color, 0))
- {
- png_color_16 user_bg;
-
- bzero (&user_bg, sizeof user_bg);
- user_bg.red = 256 * GetRValue (color);
- user_bg.green = 256 * GetGValue (color);
- user_bg.blue = 256 * GetBValue (color);
-
- fn_png_set_background (png_ptr, &user_bg,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
- }
- }
- else if (fn_png_get_bKGD (png_ptr, info_ptr, &image_bg))
- /* Image contains a background color with which to
- combine the image. */
- fn_png_set_background (png_ptr, image_bg,
- PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
- else
- {
- /* Image does not contain a background color with which
- to combine the image data via an alpha channel. Use
- the frame's background instead. */
- COLORREF color;
- png_color_16 frame_background;
- color = FRAME_BACKGROUND_PIXEL (f);
-#if 0 /* TODO : Colormap support. */
- Colormap cmap;
-
- cmap = FRAME_X_COLORMAP (f);
- x_query_color (f, &color);
-#endif
-
- bzero (&frame_background, sizeof frame_background);
- frame_background.red = 256 * GetRValue (color);
- frame_background.green = 256 * GetGValue (color);
- frame_background.blue = 256 * GetBValue (color);
-
- fn_png_set_background (png_ptr, &frame_background,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
- }
- }
-
- /* Update info structure. */
- fn_png_read_update_info (png_ptr, info_ptr);
-
- /* Get number of channels. Valid values are 1 for grayscale images
- and images with a palette, 2 for grayscale images with transparency
- information (alpha channel), 3 for RGB images, and 4 for RGB
- images with alpha channel, i.e. RGBA. If conversions above were
- sufficient we should only have 3 or 4 channels here. */
- channels = fn_png_get_channels (png_ptr, info_ptr);
- xassert (channels == 3 || channels == 4);
-
- /* Number of bytes needed for one row of the image. */
- row_bytes = fn_png_get_rowbytes (png_ptr, info_ptr);
-
- /* Allocate memory for the image. */
- pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels);
- rows = (png_byte **) xmalloc (height * sizeof *rows);
- for (i = 0; i < height; ++i)
- rows[i] = pixels + i * row_bytes;
-
- /* Read the entire image. */
- fn_png_read_image (png_ptr, rows);
- fn_png_read_end (png_ptr, info_ptr);
- if (fp)
- {
- fclose (fp);
- fp = NULL;
- }
-
- /* Create the X image and pixmap. */
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg,
- &img->pixmap))
- goto error;
-
- /* Create an image and pixmap serving as mask if the PNG image
- contains an alpha channel. */
- if (channels == 4
- && !transparent_p
- && !x_create_x_image_and_pixmap (f, width, height, 1,
- &mask_img, &img->mask))
- {
- x_destroy_x_image (ximg);
- DeleteObject (img->pixmap);
- img->pixmap = 0;
- goto error;
- }
- /* Fill the X image and mask from PNG data. */
-#if 0 /* TODO: Color tables. */
- init_color_table ();
-#endif
-
- for (y = 0; y < height; ++y)
- {
- png_byte *p = rows[y];
-
- for (x = 0; x < width; ++x)
- {
- unsigned r, g, b;
-
- r = *p++;
- g = *p++;
- b = *p++;
-#if 0 /* TODO: Color tables. */
- XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
-#else
- XPutPixel (ximg, x, y, PALETTERGB (r, g, b));
-#endif
- /* An alpha channel, aka mask channel, associates variable
- transparency with an image. Where other image formats
- support binary transparency---fully transparent or fully
- opaque---PNG allows up to 254 levels of partial transparency.
- The PNG library implements partial transparency by combining
- the image with a specified background color.
-
- I'm not sure how to handle this here nicely: because the
- background on which the image is displayed may change, for
- real alpha channel support, it would be necessary to create
- a new image for each possible background.
-
- What I'm doing now is that a mask is created if we have
- boolean transparency information. Otherwise I'm using
- the frame's background color to combine the image with. */
-
- if (channels == 4)
- {
- if (mask_img)
- XPutPixel (mask_img, x, y, *p > 0);
- ++p;
- }
- }
- }
-
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- /* Set IMG's background color from the PNG image, unless the user
- overrode it. */
- {
- png_color_16 *bg;
- if (fn_png_get_bKGD (png_ptr, info_ptr, &bg))
- {
-#if 0 /* TODO: Color tables. */
- img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue);
-#else
- img->background = PALETTERGB (bg->red / 256, bg->green / 256,
- bg->blue / 256);
-#endif
- img->background_valid = 1;
- }
- }
-
-#if 0 /* TODO: Color tables. */
- /* Remember colors allocated for this image. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
-
- /* Clean up. */
- fn_png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
- xfree (rows);
- xfree (pixels);
-
- img->width = width;
- img->height = height;
-
- /* Maybe fill in the background field while we have ximg handy. */
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap, then free the X image and its buffer. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
-
- /* Same for the mask. */
- if (mask_img)
- {
- /* Fill in the background_transparent field while we have the mask
- handy. */
- image_background_transparent (img, f, mask_img);
-
- x_put_x_image (f, mask_img, img->mask, img->width, img->height);
- x_destroy_x_image (mask_img);
- }
-
- UNGCPRO;
- return 1;
-}
-
-#endif /* HAVE_PNG != 0 */
-
-
-\f
-/***********************************************************************
- JPEG
- ***********************************************************************/
-
-#if HAVE_JPEG
-
-/* Work around a warning about HAVE_STDLIB_H being redefined in
- jconfig.h. */
-#ifdef HAVE_STDLIB_H
-#define HAVE_STDLIB_H_1
-#undef HAVE_STDLIB_H
-#endif /* HAVE_STLIB_H */
-
-#include <jpeglib.h>
-#include <jerror.h>
-#include <setjmp.h>
-
-#ifdef HAVE_STLIB_H_1
-#define HAVE_STDLIB_H 1
-#endif
-
-static int jpeg_image_p P_ ((Lisp_Object object));
-static int jpeg_load P_ ((struct frame *f, struct image *img));
-
-/* The symbol `jpeg' identifying images of this type. */
-
-Lisp_Object Qjpeg;
-
-/* Indices of image specification fields in gs_format, below. */
-
-enum jpeg_keyword_index
-{
- JPEG_TYPE,
- JPEG_DATA,
- JPEG_FILE,
- JPEG_ASCENT,
- JPEG_MARGIN,
- JPEG_RELIEF,
- JPEG_ALGORITHM,
- JPEG_HEURISTIC_MASK,
- JPEG_MASK,
- JPEG_BACKGROUND,
- JPEG_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword jpeg_format[JPEG_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":data", IMAGE_STRING_VALUE, 0},
- {":file", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `jpeg'. */
-
-static struct image_type jpeg_type =
-{
- &Qjpeg,
- jpeg_image_p,
- jpeg_load,
- x_clear_image,
- NULL
-};
-
-
-/* JPEG library details. */
-DEF_IMGLIB_FN (jpeg_CreateDecompress);
-DEF_IMGLIB_FN (jpeg_start_decompress);
-DEF_IMGLIB_FN (jpeg_finish_decompress);
-DEF_IMGLIB_FN (jpeg_destroy_decompress);
-DEF_IMGLIB_FN (jpeg_read_header);
-DEF_IMGLIB_FN (jpeg_read_scanlines);
-DEF_IMGLIB_FN (jpeg_stdio_src);
-DEF_IMGLIB_FN (jpeg_std_error);
-DEF_IMGLIB_FN (jpeg_resync_to_restart);
-
-static int
-init_jpeg_functions (library)
- HMODULE library;
-{
- LOAD_IMGLIB_FN (library, jpeg_finish_decompress);
- LOAD_IMGLIB_FN (library, jpeg_read_scanlines);
- LOAD_IMGLIB_FN (library, jpeg_start_decompress);
- LOAD_IMGLIB_FN (library, jpeg_read_header);
- LOAD_IMGLIB_FN (library, jpeg_stdio_src);
- LOAD_IMGLIB_FN (library, jpeg_CreateDecompress);
- LOAD_IMGLIB_FN (library, jpeg_destroy_decompress);
- LOAD_IMGLIB_FN (library, jpeg_std_error);
- LOAD_IMGLIB_FN (library, jpeg_resync_to_restart);
- return 1;
-}
-
-/* Wrapper since we can't directly assign the function pointer
- to another function pointer that was declared more completely easily. */
-static boolean
-jpeg_resync_to_restart_wrapper(cinfo, desired)
- j_decompress_ptr cinfo;
- int desired;
-{
- return fn_jpeg_resync_to_restart (cinfo, desired);
-}
-
-
-/* Return non-zero if OBJECT is a valid JPEG image specification. */
-
-static int
-jpeg_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[JPEG_LAST];
-
- bcopy (jpeg_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg))
- return 0;
-
- /* Must specify either the :data or :file keyword. */
- return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1;
-}
-
-
-struct my_jpeg_error_mgr
-{
- struct jpeg_error_mgr pub;
- jmp_buf setjmp_buffer;
-};
-
-
-static void
-my_error_exit (cinfo)
- j_common_ptr cinfo;
-{
- struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
- longjmp (mgr->setjmp_buffer, 1);
-}
-
-
-/* Init source method for JPEG data source manager. Called by
- jpeg_read_header() before any data is actually read. See
- libjpeg.doc from the JPEG lib distribution. */
-
-static void
-our_init_source (cinfo)
- j_decompress_ptr cinfo;
-{
-}
-
-
-/* Fill input buffer method for JPEG data source manager. Called
- whenever more data is needed. We read the whole image in one step,
- so this only adds a fake end of input marker at the end. */
-
-static boolean
-our_fill_input_buffer (cinfo)
- j_decompress_ptr cinfo;
-{
- /* Insert a fake EOI marker. */
- struct jpeg_source_mgr *src = cinfo->src;
- static JOCTET buffer[2];
-
- buffer[0] = (JOCTET) 0xFF;
- buffer[1] = (JOCTET) JPEG_EOI;
-
- src->next_input_byte = buffer;
- src->bytes_in_buffer = 2;
- return TRUE;
-}
-
-
-/* Method to skip over NUM_BYTES bytes in the image data. CINFO->src
- is the JPEG data source manager. */
-
-static void
-our_skip_input_data (cinfo, num_bytes)
- j_decompress_ptr cinfo;
- long num_bytes;
-{
- struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src;
-
- if (src)
- {
- if (num_bytes > src->bytes_in_buffer)
- ERREXIT (cinfo, JERR_INPUT_EOF);
-
- src->bytes_in_buffer -= num_bytes;
- src->next_input_byte += num_bytes;
- }
-}
-
-
-/* Method to terminate data source. Called by
- jpeg_finish_decompress() after all data has been processed. */
-
-static void
-our_term_source (cinfo)
- j_decompress_ptr cinfo;
-{
-}
-
-
-/* Set up the JPEG lib for reading an image from DATA which contains
- LEN bytes. CINFO is the decompression info structure created for
- reading the image. */
-
-static void
-jpeg_memory_src (cinfo, data, len)
- j_decompress_ptr cinfo;
- JOCTET *data;
- unsigned int len;
-{
- struct jpeg_source_mgr *src;
-
- if (cinfo->src == NULL)
- {
- /* First time for this JPEG object? */
- cinfo->src = (struct jpeg_source_mgr *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
- sizeof (struct jpeg_source_mgr));
- src = (struct jpeg_source_mgr *) cinfo->src;
- src->next_input_byte = data;
- }
-
- src = (struct jpeg_source_mgr *) cinfo->src;
- src->init_source = our_init_source;
- src->fill_input_buffer = our_fill_input_buffer;
- src->skip_input_data = our_skip_input_data;
- src->resync_to_restart = jpeg_resync_to_restart_wrapper; /* Use default method. */
- src->term_source = our_term_source;
- src->bytes_in_buffer = len;
- src->next_input_byte = data;
-}
-
-
-/* Load image IMG for use on frame F. Patterned after example.c
- from the JPEG lib. */
-
-static int
-jpeg_load (f, img)
- struct frame *f;
- struct image *img;
-{
- struct jpeg_decompress_struct cinfo;
- struct my_jpeg_error_mgr mgr;
- Lisp_Object file, specified_file;
- Lisp_Object specified_data;
- FILE * volatile fp = NULL;
- JSAMPARRAY buffer;
- int row_stride, x, y;
- XImage *ximg = NULL;
- int rc;
- unsigned long *colors;
- int width, height;
- struct gcpro gcpro1;
-
- /* Open the JPEG file. */
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
- file = Qnil;
- GCPRO1 (file);
-
- if (NILP (specified_data))
- {
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- fp = fopen (SDATA (file), "rb");
- if (fp == NULL)
- {
- image_error ("Cannot open `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
- }
-
- /* Customize libjpeg's error handling to call my_error_exit when an
- error is detected. This function will perform a longjmp. */
- cinfo.err = fn_jpeg_std_error (&mgr.pub);
- mgr.pub.error_exit = my_error_exit;
-
- if ((rc = setjmp (mgr.setjmp_buffer)) != 0)
- {
- if (rc == 1)
- {
- /* Called from my_error_exit. Display a JPEG error. */
- char buffer[JMSG_LENGTH_MAX];
- cinfo.err->format_message ((j_common_ptr) &cinfo, buffer);
- image_error ("Error reading JPEG image `%s': %s", img->spec,
- build_string (buffer));
- }
-
- /* Close the input file and destroy the JPEG object. */
- if (fp)
- fclose ((FILE *) fp);
- fn_jpeg_destroy_decompress (&cinfo);
-
- /* If we already have an XImage, free that. */
- x_destroy_x_image (ximg);
-
- /* Free pixmap and colors. */
- x_clear_image (f, img);
-
- UNGCPRO;
- return 0;
- }
-
- /* Create the JPEG decompression object. Let it read from fp.
- Read the JPEG image header. */
- fn_jpeg_CreateDecompress (&cinfo, JPEG_LIB_VERSION, sizeof (cinfo));
-
- if (NILP (specified_data))
- fn_jpeg_stdio_src (&cinfo, (FILE *) fp);
- else
- jpeg_memory_src (&cinfo, SDATA (specified_data),
- SBYTES (specified_data));
-
- fn_jpeg_read_header (&cinfo, TRUE);
-
- /* Customize decompression so that color quantization will be used.
- Start decompression. */
- cinfo.quantize_colors = TRUE;
- fn_jpeg_start_decompress (&cinfo);
- width = img->width = cinfo.output_width;
- height = img->height = cinfo.output_height;
-
- /* Create X image and pixmap. */
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- longjmp (mgr.setjmp_buffer, 2);
-
- /* Allocate colors. When color quantization is used,
- cinfo.actual_number_of_colors has been set with the number of
- colors generated, and cinfo.colormap is a two-dimensional array
- of color indices in the range 0..cinfo.actual_number_of_colors.
- No more than 255 colors will be generated. */
- {
- int i, ir, ig, ib;
-
- if (cinfo.out_color_components > 2)
- ir = 0, ig = 1, ib = 2;
- else if (cinfo.out_color_components > 1)
- ir = 0, ig = 1, ib = 0;
- else
- ir = 0, ig = 0, ib = 0;
-
-#if 0 /* TODO: Color tables. */
- /* Use the color table mechanism because it handles colors that
- cannot be allocated nicely. Such colors will be replaced with
- a default color, and we don't have to care about which colors
- can be freed safely, and which can't. */
- init_color_table ();
-#endif
- colors = (unsigned long *) alloca (cinfo.actual_number_of_colors
- * sizeof *colors);
-
- for (i = 0; i < cinfo.actual_number_of_colors; ++i)
- {
- int r = cinfo.colormap[ir][i];
- int g = cinfo.colormap[ig][i];
- int b = cinfo.colormap[ib][i];
-#if 0 /* TODO: Color tables. */
- colors[i] = lookup_rgb_color (f, r, g, b);
-#else
- colors[i] = PALETTERGB (r, g, b);
-#endif
- }
-
-#if 0 /* TODO: Color tables. */
- /* Remember those colors actually allocated. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
- }
-
- /* Read pixels. */
- row_stride = width * cinfo.output_components;
- buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE,
- row_stride, 1);
- for (y = 0; y < height; ++y)
- {
- fn_jpeg_read_scanlines (&cinfo, buffer, 1);
- for (x = 0; x < cinfo.output_width; ++x)
- XPutPixel (ximg, x, y, colors[buffer[0][x]]);
- }
-
- /* Clean up. */
- fn_jpeg_finish_decompress (&cinfo);
- fn_jpeg_destroy_decompress (&cinfo);
- if (fp)
- fclose ((FILE *) fp);
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
- UNGCPRO;
- return 1;
-}
-
-#endif /* HAVE_JPEG */
-
-
-\f
-/***********************************************************************
- TIFF
- ***********************************************************************/
-
-#if HAVE_TIFF
-
-#include <tiffio.h>
-
-static int tiff_image_p P_ ((Lisp_Object object));
-static int tiff_load P_ ((struct frame *f, struct image *img));
-
-/* The symbol `tiff' identifying images of this type. */
-
-Lisp_Object Qtiff;
-
-/* Indices of image specification fields in tiff_format, below. */
-
-enum tiff_keyword_index
-{
- TIFF_TYPE,
- TIFF_DATA,
- TIFF_FILE,
- TIFF_ASCENT,
- TIFF_MARGIN,
- TIFF_RELIEF,
- TIFF_ALGORITHM,
- TIFF_HEURISTIC_MASK,
- TIFF_MASK,
- TIFF_BACKGROUND,
- TIFF_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword tiff_format[TIFF_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":data", IMAGE_STRING_VALUE, 0},
- {":file", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `tiff'. */
-
-static struct image_type tiff_type =
-{
- &Qtiff,
- tiff_image_p,
- tiff_load,
- x_clear_image,
- NULL
-};
-
-/* TIFF library details. */
-DEF_IMGLIB_FN (TIFFSetErrorHandler);
-DEF_IMGLIB_FN (TIFFSetWarningHandler);
-DEF_IMGLIB_FN (TIFFOpen);
-DEF_IMGLIB_FN (TIFFClientOpen);
-DEF_IMGLIB_FN (TIFFGetField);
-DEF_IMGLIB_FN (TIFFReadRGBAImage);
-DEF_IMGLIB_FN (TIFFClose);
-
-static int
-init_tiff_functions (library)
- HMODULE library;
-{
- LOAD_IMGLIB_FN (library, TIFFSetErrorHandler);
- LOAD_IMGLIB_FN (library, TIFFSetWarningHandler);
- LOAD_IMGLIB_FN (library, TIFFOpen);
- LOAD_IMGLIB_FN (library, TIFFClientOpen);
- LOAD_IMGLIB_FN (library, TIFFGetField);
- LOAD_IMGLIB_FN (library, TIFFReadRGBAImage);
- LOAD_IMGLIB_FN (library, TIFFClose);
- return 1;
-}
-
-/* Return non-zero if OBJECT is a valid TIFF image specification. */
-
-static int
-tiff_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[TIFF_LAST];
- bcopy (tiff_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff))
- return 0;
-
- /* Must specify either the :data or :file keyword. */
- return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1;
-}
-
-
-/* Reading from a memory buffer for TIFF images Based on the PNG
- memory source, but we have to provide a lot of extra functions.
- Blah.
-
- We really only need to implement read and seek, but I am not
- convinced that the TIFF library is smart enough not to destroy
- itself if we only hand it the function pointers we need to
- override. */
-
-typedef struct
-{
- unsigned char *bytes;
- size_t len;
- int index;
-}
-tiff_memory_source;
-
-static size_t
-tiff_read_from_memory (data, buf, size)
- thandle_t data;
- tdata_t buf;
- tsize_t size;
-{
- tiff_memory_source *src = (tiff_memory_source *) data;
-
- if (size > src->len - src->index)
- return (size_t) -1;
- bcopy (src->bytes + src->index, buf, size);
- src->index += size;
- return size;
-}
-
-static size_t
-tiff_write_from_memory (data, buf, size)
- thandle_t data;
- tdata_t buf;
- tsize_t size;
-{
- return (size_t) -1;
-}
-
-static toff_t
-tiff_seek_in_memory (data, off, whence)
- thandle_t data;
- toff_t off;
- int whence;
-{
- tiff_memory_source *src = (tiff_memory_source *) data;
- int idx;
-
- switch (whence)
- {
- case SEEK_SET: /* Go from beginning of source. */
- idx = off;
- break;
-
- case SEEK_END: /* Go from end of source. */
- idx = src->len + off;
- break;
-
- case SEEK_CUR: /* Go from current position. */
- idx = src->index + off;
- break;
-
- default: /* Invalid `whence'. */
- return -1;
- }
-
- if (idx > src->len || idx < 0)
- return -1;
-
- src->index = idx;
- return src->index;
-}
-
-static int
-tiff_close_memory (data)
- thandle_t data;
-{
- /* NOOP */
- return 0;
-}
-
-static int
-tiff_mmap_memory (data, pbase, psize)
- thandle_t data;
- tdata_t *pbase;
- toff_t *psize;
-{
- /* It is already _IN_ memory. */
- return 0;
-}
-
-static void
-tiff_unmap_memory (data, base, size)
- thandle_t data;
- tdata_t base;
- toff_t size;
-{
- /* We don't need to do this. */
-}
-
-static toff_t
-tiff_size_of_memory (data)
- thandle_t data;
-{
- return ((tiff_memory_source *) data)->len;
-}
-
-
-static void
-tiff_error_handler (title, format, ap)
- const char *title, *format;
- va_list ap;
-{
- char buf[512];
- int len;
-
- len = sprintf (buf, "TIFF error: %s ", title);
- vsprintf (buf + len, format, ap);
- add_to_log (buf, Qnil, Qnil);
-}
-
-
-static void
-tiff_warning_handler (title, format, ap)
- const char *title, *format;
- va_list ap;
-{
- char buf[512];
- int len;
-
- len = sprintf (buf, "TIFF warning: %s ", title);
- vsprintf (buf + len, format, ap);
- add_to_log (buf, Qnil, Qnil);
-}
-
-
-/* Load TIFF image IMG for use on frame F. Value is non-zero if
- successful. */
-
-static int
-tiff_load (f, img)
- struct frame *f;
- struct image *img;
-{
- Lisp_Object file, specified_file;
- Lisp_Object specified_data;
- TIFF *tiff;
- int width, height, x, y;
- uint32 *buf;
- int rc;
- XImage *ximg;
- struct gcpro gcpro1;
- tiff_memory_source memsrc;
-
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
- file = Qnil;
- GCPRO1 (file);
-
- fn_TIFFSetErrorHandler (tiff_error_handler);
- fn_TIFFSetWarningHandler (tiff_warning_handler);
-
- if (NILP (specified_data))
- {
- /* Read from a file */
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- /* Try to open the image file. */
- tiff = fn_TIFFOpen (SDATA (file), "r");
- if (tiff == NULL)
- {
- image_error ("Cannot open `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
- }
- else
- {
- /* Memory source! */
- memsrc.bytes = SDATA (specified_data);
- memsrc.len = SBYTES (specified_data);
- memsrc.index = 0;
-
- tiff = fn_TIFFClientOpen ("memory_source", "r", &memsrc,
- (TIFFReadWriteProc) tiff_read_from_memory,
- (TIFFReadWriteProc) tiff_write_from_memory,
- tiff_seek_in_memory,
- tiff_close_memory,
- tiff_size_of_memory,
- tiff_mmap_memory,
- tiff_unmap_memory);
-
- if (!tiff)
- {
- image_error ("Cannot open memory source for `%s'", img->spec, Qnil);
- UNGCPRO;
- return 0;
- }
- }
-
- /* Get width and height of the image, and allocate a raster buffer
- of width x height 32-bit values. */
- fn_TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
- fn_TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
- buf = (uint32 *) xmalloc (width * height * sizeof *buf);
-
- rc = fn_TIFFReadRGBAImage (tiff, width, height, buf, 0);
- fn_TIFFClose (tiff);
- if (!rc)
- {
- image_error ("Error reading TIFF image `%s'", img->spec, Qnil);
- xfree (buf);
- UNGCPRO;
- return 0;
- }
-
- /* Create the X image and pixmap. */
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- {
- xfree (buf);
- UNGCPRO;
- return 0;
- }
-
-#if 0 /* TODO: Color tables. */
- /* Initialize the color table. */
- init_color_table ();
-#endif
-
- /* Process the pixel raster. Origin is in the lower-left corner. */
- for (y = 0; y < height; ++y)
- {
- uint32 *row = buf + y * width;
-
- for (x = 0; x < width; ++x)
- {
- uint32 abgr = row[x];
- int r = TIFFGetR (abgr);
- int g = TIFFGetG (abgr);
- int b = TIFFGetB (abgr);
-#if 0 /* TODO: Color tables. */
- XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b));
-#else
- XPutPixel (ximg, x, height - 1 - y, PALETTERGB (r, g, b));
-#endif
- }
- }
-
-#if 0 /* TODO: Color tables. */
- /* Remember the colors allocated for the image. Free the color table. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
-
- img->width = width;
- img->height = height;
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap, then free the X image and its buffer. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
- xfree (buf);
-
- UNGCPRO;
- return 1;
-}
-
-#endif /* HAVE_TIFF != 0 */
-
-
-\f
-/***********************************************************************
- GIF
- ***********************************************************************/
-
-#if HAVE_GIF
-
-#define DrawText gif_DrawText
-#include <gif_lib.h>
-#undef DrawText
-
-static int gif_image_p P_ ((Lisp_Object object));
-static int gif_load P_ ((struct frame *f, struct image *img));
-
-/* The symbol `gif' identifying images of this type. */
-
-Lisp_Object Qgif;
-
-/* Indices of image specification fields in gif_format, below. */
-
-enum gif_keyword_index
-{
- GIF_TYPE,
- GIF_DATA,
- GIF_FILE,
- GIF_ASCENT,
- GIF_MARGIN,
- GIF_RELIEF,
- GIF_ALGORITHM,
- GIF_HEURISTIC_MASK,
- GIF_MASK,
- GIF_IMAGE,
- GIF_BACKGROUND,
- GIF_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword gif_format[GIF_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":data", IMAGE_STRING_VALUE, 0},
- {":file", IMAGE_STRING_VALUE, 0},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `gif'. */
-
-static struct image_type gif_type =
-{
- &Qgif,
- gif_image_p,
- gif_load,
- x_clear_image,
- NULL
-};
-
-
-/* GIF library details. */
-DEF_IMGLIB_FN (DGifCloseFile);
-DEF_IMGLIB_FN (DGifSlurp);
-DEF_IMGLIB_FN (DGifOpen);
-DEF_IMGLIB_FN (DGifOpenFileName);
-
-static int
-init_gif_functions (library)
- HMODULE library;
-{
- LOAD_IMGLIB_FN (library, DGifCloseFile);
- LOAD_IMGLIB_FN (library, DGifSlurp);
- LOAD_IMGLIB_FN (library, DGifOpen);
- LOAD_IMGLIB_FN (library, DGifOpenFileName);
- return 1;
-}
-
-
-/* Return non-zero if OBJECT is a valid GIF image specification. */
-
-static int
-gif_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[GIF_LAST];
- bcopy (gif_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, GIF_LAST, Qgif))
- return 0;
-
- /* Must specify either the :data or :file keyword. */
- return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1;
-}
-
-/* Reading a GIF image from memory
- Based on the PNG memory stuff to a certain extent. */
-
-typedef struct
-{
- unsigned char *bytes;
- size_t len;
- int index;
-}
-gif_memory_source;
-
-/* Make the current memory source available to gif_read_from_memory.
- It's done this way because not all versions of libungif support
- a UserData field in the GifFileType structure. */
-static gif_memory_source *current_gif_memory_src;
-
-static int
-gif_read_from_memory (file, buf, len)
- GifFileType *file;
- GifByteType *buf;
- int len;
-{
- gif_memory_source *src = current_gif_memory_src;
-
- if (len > src->len - src->index)
- return -1;
-
- bcopy (src->bytes + src->index, buf, len);
- src->index += len;
- return len;
-}
-
-
-/* Load GIF image IMG for use on frame F. Value is non-zero if
- successful. */
-
-static int
-gif_load (f, img)
- struct frame *f;
- struct image *img;
-{
- Lisp_Object file, specified_file;
- Lisp_Object specified_data;
- int rc, width, height, x, y, i;
- XImage *ximg;
- ColorMapObject *gif_color_map;
- unsigned long pixel_colors[256];
- GifFileType *gif;
- struct gcpro gcpro1;
- Lisp_Object image;
- int ino, image_left, image_top, image_width, image_height;
- gif_memory_source memsrc;
- unsigned char *raster;
-
- specified_file = image_spec_value (img->spec, QCfile, NULL);
- specified_data = image_spec_value (img->spec, QCdata, NULL);
- file = Qnil;
- GCPRO1 (file);
-
- if (NILP (specified_data))
- {
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- /* Open the GIF file. */
- gif = fn_DGifOpenFileName (SDATA (file));
- if (gif == NULL)
- {
- image_error ("Cannot open `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
- }
- else
- {
- /* Read from memory! */
- current_gif_memory_src = &memsrc;
- memsrc.bytes = SDATA (specified_data);
- memsrc.len = SBYTES (specified_data);
- memsrc.index = 0;
-
- gif = fn_DGifOpen(&memsrc, gif_read_from_memory);
- if (!gif)
- {
- image_error ("Cannot open memory source `%s'", img->spec, Qnil);
- UNGCPRO;
- return 0;
- }
- }
-
- /* Read entire contents. */
- rc = fn_DGifSlurp (gif);
- if (rc == GIF_ERROR)
- {
- image_error ("Error reading `%s'", img->spec, Qnil);
- fn_DGifCloseFile (gif);
- UNGCPRO;
- return 0;
- }
-
- image = image_spec_value (img->spec, QCindex, NULL);
- ino = INTEGERP (image) ? XFASTINT (image) : 0;
- if (ino >= gif->ImageCount)
- {
- image_error ("Invalid image number `%s' in image `%s'",
- image, img->spec);
- fn_DGifCloseFile (gif);
- UNGCPRO;
- return 0;
- }
-
- width = img->width = max (gif->SWidth, gif->Image.Left + gif->Image.Width);
- height = img->height = max (gif->SHeight, gif->Image.Top + gif->Image.Height);
-
- /* Create the X image and pixmap. */
- if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
- {
- fn_DGifCloseFile (gif);
- UNGCPRO;
- return 0;
- }
-
- /* Allocate colors. */
- gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap;
- if (!gif_color_map)
- gif_color_map = gif->SColorMap;
-#if 0 /* TODO: Color tables */
- init_color_table ();
-#endif
- bzero (pixel_colors, sizeof pixel_colors);
-
- for (i = 0; i < gif_color_map->ColorCount; ++i)
- {
- int r = gif_color_map->Colors[i].Red;
- int g = gif_color_map->Colors[i].Green;
- int b = gif_color_map->Colors[i].Blue;
-#if 0 /* TODO: Color tables */
- pixel_colors[i] = lookup_rgb_color (f, r, g, b);
-#else
- pixel_colors[i] = PALETTERGB (r, g, b);
-#endif
- }
-
-#if 0 /* TODO: Color tables */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-#endif
-
- /* Clear the part of the screen image that are not covered by
- the image from the GIF file. Full animated GIF support
- requires more than can be done here (see the gif89 spec,
- disposal methods). Let's simply assume that the part
- not covered by a sub-image is in the frame's background color. */
- image_top = gif->SavedImages[ino].ImageDesc.Top;
- image_left = gif->SavedImages[ino].ImageDesc.Left;
- image_width = gif->SavedImages[ino].ImageDesc.Width;
- image_height = gif->SavedImages[ino].ImageDesc.Height;
-
- for (y = 0; y < image_top; ++y)
- for (x = 0; x < width; ++x)
- XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
-
- for (y = image_top + image_height; y < height; ++y)
- for (x = 0; x < width; ++x)
- XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
-
- for (y = image_top; y < image_top + image_height; ++y)
- {
- for (x = 0; x < image_left; ++x)
- XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
- for (x = image_left + image_width; x < width; ++x)
- XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
- }
-
- /* Read the GIF image into the X image. We use a local variable
- `raster' here because RasterBits below is a char *, and invites
- problems with bytes >= 0x80. */
- raster = (unsigned char *) gif->SavedImages[ino].RasterBits;
-
- if (gif->SavedImages[ino].ImageDesc.Interlace)
- {
- static int interlace_start[] = {0, 4, 2, 1};
- static int interlace_increment[] = {8, 8, 4, 2};
- int pass;
- int row = interlace_start[0];
-
- pass = 0;
-
- for (y = 0; y < image_height; y++)
- {
- if (row >= image_height)
- {
- row = interlace_start[++pass];
- while (row >= image_height)
- row = interlace_start[++pass];
- }
-
- for (x = 0; x < image_width; x++)
- {
- int i = raster[(y * image_width) + x];
- XPutPixel (ximg, x + image_left, row + image_top,
- pixel_colors[i]);
- }
-
- row += interlace_increment[pass];
- }
- }
- else
- {
- for (y = 0; y < image_height; ++y)
- for (x = 0; x < image_width; ++x)
- {
- int i = raster[y* image_width + x];
- XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]);
- }
- }
-
- fn_DGifCloseFile (gif);
-
- /* Maybe fill in the background field while we have ximg handy. */
- if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
- IMAGE_BACKGROUND (img, f, ximg);
-
- /* Put the image into the pixmap, then free the X image and its buffer. */
- x_put_x_image (f, ximg, img->pixmap, width, height);
- x_destroy_x_image (ximg);
-
- UNGCPRO;
- return 1;
-}
-
-#endif /* HAVE_GIF != 0 */
-
-
-\f
-/***********************************************************************
- Ghostscript
- ***********************************************************************/
-
-Lisp_Object Qpostscript;
-
-/* Keyword symbols. */
-
-Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
-
-#ifdef HAVE_GHOSTSCRIPT
-static int gs_image_p P_ ((Lisp_Object object));
-static int gs_load P_ ((struct frame *f, struct image *img));
-static void gs_clear_image P_ ((struct frame *f, struct image *img));
-
-/* The symbol `postscript' identifying images of this type. */
-
-/* Keyword symbols. */
-
-Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
-
-/* Indices of image specification fields in gs_format, below. */
-
-enum gs_keyword_index
-{
- GS_TYPE,
- GS_PT_WIDTH,
- GS_PT_HEIGHT,
- GS_FILE,
- GS_LOADER,
- GS_BOUNDING_BOX,
- GS_ASCENT,
- GS_MARGIN,
- GS_RELIEF,
- GS_ALGORITHM,
- GS_HEURISTIC_MASK,
- GS_MASK,
- GS_BACKGROUND,
- GS_LAST
-};
-
-/* Vector of image_keyword structures describing the format
- of valid user-defined image specifications. */
-
-static struct image_keyword gs_format[GS_LAST] =
-{
- {":type", IMAGE_SYMBOL_VALUE, 1},
- {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1},
- {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1},
- {":file", IMAGE_STRING_VALUE, 1},
- {":loader", IMAGE_FUNCTION_VALUE, 0},
- {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1},
- {":ascent", IMAGE_ASCENT_VALUE, 0},
- {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
- {":relief", IMAGE_INTEGER_VALUE, 0},
- {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
-};
-
-/* Structure describing the image type `ghostscript'. */
-
-static struct image_type gs_type =
-{
- &Qpostscript,
- gs_image_p,
- gs_load,
- gs_clear_image,
- NULL
-};
-
-
-/* Free X resources of Ghostscript image IMG which is used on frame F. */
-
-static void
-gs_clear_image (f, img)
- struct frame *f;
- struct image *img;
-{
- /* IMG->data.ptr_val may contain a recorded colormap. */
- xfree (img->data.ptr_val);
- x_clear_image (f, img);
-}
-
-
-/* Return non-zero if OBJECT is a valid Ghostscript image
- specification. */
-
-static int
-gs_image_p (object)
- Lisp_Object object;
-{
- struct image_keyword fmt[GS_LAST];
- Lisp_Object tem;
- int i;
-
- bcopy (gs_format, fmt, sizeof fmt);
-
- if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript))
- return 0;
-
- /* Bounding box must be a list or vector containing 4 integers. */
- tem = fmt[GS_BOUNDING_BOX].value;
- if (CONSP (tem))
- {
- for (i = 0; i < 4; ++i, tem = XCDR (tem))
- if (!CONSP (tem) || !INTEGERP (XCAR (tem)))
- return 0;
- if (!NILP (tem))
- return 0;
- }
- else if (VECTORP (tem))
- {
- if (XVECTOR (tem)->size != 4)
- return 0;
- for (i = 0; i < 4; ++i)
- if (!INTEGERP (XVECTOR (tem)->contents[i]))
- return 0;
- }
- else
- return 0;
-
- return 1;
-}
-
-
-/* Load Ghostscript image IMG for use on frame F. Value is non-zero
- if successful. */
-
-static int
-gs_load (f, img)
- struct frame *f;
- struct image *img;
-{
- char buffer[100];
- Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width;
- struct gcpro gcpro1, gcpro2;
- Lisp_Object frame;
- double in_width, in_height;
- Lisp_Object pixel_colors = Qnil;
-
- /* Compute pixel size of pixmap needed from the given size in the
- image specification. Sizes in the specification are in pt. 1 pt
- = 1/72 in, xdpi and ydpi are stored in the frame's X display
- info. */
- pt_width = image_spec_value (img->spec, QCpt_width, NULL);
- in_width = XFASTINT (pt_width) / 72.0;
- img->width = in_width * FRAME_W32_DISPLAY_INFO (f)->resx;
- pt_height = image_spec_value (img->spec, QCpt_height, NULL);
- in_height = XFASTINT (pt_height) / 72.0;
- img->height = in_height * FRAME_W32_DISPLAY_INFO (f)->resy;
-
- /* Create the pixmap. */
- BLOCK_INPUT;
- xassert (img->pixmap == 0);
- img->pixmap = XCreatePixmap (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
- img->width, img->height,
- one_w32_display_info.n_cbits);
- UNBLOCK_INPUT;
-
- if (!img->pixmap)
- {
- image_error ("Unable to create pixmap for `%s'", img->spec, Qnil);
- return 0;
- }
-
- /* Call the loader to fill the pixmap. It returns a process object
- if successful. We do not record_unwind_protect here because
- other places in redisplay like calling window scroll functions
- don't either. Let the Lisp loader use `unwind-protect' instead. */
- GCPRO2 (window_and_pixmap_id, pixel_colors);
-
- sprintf (buffer, "%lu %lu",
- (unsigned long) FRAME_W32_WINDOW (f),
- (unsigned long) img->pixmap);
- window_and_pixmap_id = build_string (buffer);
-
- sprintf (buffer, "%lu %lu",
- FRAME_FOREGROUND_PIXEL (f),
- FRAME_BACKGROUND_PIXEL (f));
- pixel_colors = build_string (buffer);
-
- XSETFRAME (frame, f);
- loader = image_spec_value (img->spec, QCloader, NULL);
- if (NILP (loader))
- loader = intern ("gs-load-image");
-
- img->data.lisp_val = call6 (loader, frame, img->spec,
- make_number (img->width),
- make_number (img->height),
- window_and_pixmap_id,
- pixel_colors);
- UNGCPRO;
- return PROCESSP (img->data.lisp_val);
-}
-
-
-/* Kill the Ghostscript process that was started to fill PIXMAP on
- frame F. Called from XTread_socket when receiving an event
- telling Emacs that Ghostscript has finished drawing. */
-
-void
-x_kill_gs_process (pixmap, f)
- Pixmap pixmap;
- struct frame *f;
-{
- struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
- int class, i;
- struct image *img;
-
- /* Find the image containing PIXMAP. */
- for (i = 0; i < c->used; ++i)
- if (c->images[i]->pixmap == pixmap)
- break;
-
- /* Should someone in between have cleared the image cache, for
- instance, give up. */
- if (i == c->used)
- return;
-
- /* Kill the GS process. We should have found PIXMAP in the image
- cache and its image should contain a process object. */
- img = c->images[i];
- xassert (PROCESSP (img->data.lisp_val));
- Fkill_process (img->data.lisp_val, Qnil);
- img->data.lisp_val = Qnil;
-
- /* On displays with a mutable colormap, figure out the colors
- allocated for the image by looking at the pixels of an XImage for
- img->pixmap. */
- class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
- if (class != StaticColor && class != StaticGray && class != TrueColor)
- {
- XImage *ximg;
-
- BLOCK_INPUT;
-
- /* Try to get an XImage for img->pixmep. */
- ximg = XGetImage (FRAME_W32_DISPLAY (f), img->pixmap,
- 0, 0, img->width, img->height, ~0, ZPixmap);
- if (ximg)
- {
- int x, y;
-
- /* Initialize the color table. */
- init_color_table ();
-
- /* For each pixel of the image, look its color up in the
- color table. After having done so, the color table will
- contain an entry for each color used by the image. */
- for (y = 0; y < img->height; ++y)
- for (x = 0; x < img->width; ++x)
- {
- unsigned long pixel = XGetPixel (ximg, x, y);
- lookup_pixel_color (f, pixel);
- }
-
- /* Record colors in the image. Free color table and XImage. */
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
- XDestroyImage (ximg);
-
-#if 0 /* This doesn't seem to be the case. If we free the colors
- here, we get a BadAccess later in x_clear_image when
- freeing the colors. */
- /* We have allocated colors once, but Ghostscript has also
- allocated colors on behalf of us. So, to get the
- reference counts right, free them once. */
- if (img->ncolors)
- x_free_colors (FRAME_W32_DISPLAY (f), cmap,
- img->colors, img->ncolors, 0);
-#endif
- }
- else
- image_error ("Cannot get X image of `%s'; colors will not be freed",
- img->spec, Qnil);
-
- UNBLOCK_INPUT;
- }
-
- /* Now that we have the pixmap, compute mask and transform the
- image if requested. */
- BLOCK_INPUT;
- postprocess_image (f, img);
- UNBLOCK_INPUT;
-}
-
-#endif /* HAVE_GHOSTSCRIPT */
-
-\f
-/***********************************************************************
- Window properties
- ***********************************************************************/
-
-DEFUN ("x-change-window-property", Fx_change_window_property,
- Sx_change_window_property, 2, 3, 0,
- doc: /* Change window property PROP to VALUE on the X window of FRAME.
-PROP and VALUE must be strings. FRAME nil or omitted means use the
-selected frame. Value is VALUE. */)
- (prop, value, frame)
- Lisp_Object frame, prop, value;
-{
-#if 0 /* TODO : port window properties to W32 */
- struct frame *f = check_x_frame (frame);
- Atom prop_atom;
-
- CHECK_STRING (prop);
- CHECK_STRING (value);
-
- BLOCK_INPUT;
- prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
- XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
- prop_atom, XA_STRING, 8, PropModeReplace,
- SDATA (value), SCHARS (value));
-
- /* Make sure the property is set when we return. */
- XFlush (FRAME_W32_DISPLAY (f));
- UNBLOCK_INPUT;
-
-#endif /* TODO */
-
- return value;
-}
-
-
-DEFUN ("x-delete-window-property", Fx_delete_window_property,
- Sx_delete_window_property, 1, 2, 0,
- doc: /* Remove window property PROP from X window of FRAME.
-FRAME nil or omitted means use the selected frame. Value is PROP. */)
- (prop, frame)
- Lisp_Object prop, frame;
-{
-#if 0 /* TODO : port window properties to W32 */
-
- struct frame *f = check_x_frame (frame);
- Atom prop_atom;
-
- CHECK_STRING (prop);
- BLOCK_INPUT;
- prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
- XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
-
- /* Make sure the property is removed when we return. */
- XFlush (FRAME_W32_DISPLAY (f));
- UNBLOCK_INPUT;
-#endif /* TODO */
-
- return prop;
-}
-
-
-DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
- 1, 2, 0,
- doc: /* Value is the value of window property PROP on FRAME.
-If FRAME is nil or omitted, use the selected frame. Value is nil
-if FRAME hasn't a property with name PROP or if PROP has no string
-value. */)
- (prop, frame)
- Lisp_Object prop, frame;
-{
-#if 0 /* TODO : port window properties to W32 */
-
- struct frame *f = check_x_frame (frame);
- Atom prop_atom;
- int rc;
- Lisp_Object prop_value = Qnil;
- char *tmp_data = NULL;
- Atom actual_type;
- int actual_format;
- unsigned long actual_size, bytes_remaining;
-
- CHECK_STRING (prop);
- BLOCK_INPUT;
- prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
- rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
- prop_atom, 0, 0, False, XA_STRING,
- &actual_type, &actual_format, &actual_size,
- &bytes_remaining, (unsigned char **) &tmp_data);
- if (rc == Success)
- {
- int size = bytes_remaining;
-
- XFree (tmp_data);
- tmp_data = NULL;
-
- rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
- prop_atom, 0, bytes_remaining,
- False, XA_STRING,
- &actual_type, &actual_format,
- &actual_size, &bytes_remaining,
- (unsigned char **) &tmp_data);
- if (rc == Success)
- prop_value = make_string (tmp_data, size);
-
- XFree (tmp_data);
- }
-
- UNBLOCK_INPUT;
-
- return prop_value;
+ return prop_value;
#endif /* TODO */
return Qnil;
old_buffer = current_buffer;
set_buffer_internal_1 (XBUFFER (buffer));
current_buffer->truncate_lines = Qnil;
+ specbind (Qinhibit_read_only, Qt);
+ specbind (Qinhibit_modification_hooks, Qt);
Ferase_buffer ();
Finsert (1, &text);
set_buffer_internal_1 (old_buffer);
if (INTEGERP (top))
*root_y = XINT (top);
- else if (*root_y + XINT (dy) - height < 0)
- *root_y -= XINT (dy);
- else
- {
- *root_y -= height;
+ else if (*root_y + XINT (dy) <= 0)
+ *root_y = 0; /* Can happen for negative dy */
+ else if (*root_y + XINT (dy) + height <= FRAME_W32_DISPLAY_INFO (f)->height)
+ /* It fits below the pointer */
*root_y += XINT (dy);
- }
+ else if (height + XINT (dy) <= *root_y)
+ /* It fits above the pointer. */
+ *root_y -= height + XINT (dy);
+ else
+ /* Put it on the top. */
+ *root_y = 0;
if (INTEGERP (left))
*root_x = XINT (left);
+ else if (*root_x + XINT (dx) <= 0)
+ *root_x = 0; /* Can happen for negative dx */
else if (*root_x + XINT (dx) + width <= FRAME_W32_DISPLAY_INFO (f)->width)
/* It fits to the right of the pointer. */
*root_x += XINT (dx);
Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil
means use the default timeout of 5 seconds.
-If the list of frame parameters PARAMS contains a `left' parameter,
+If the list of frame parameters PARMS contains a `left' parameter,
the tooltip is displayed at that x-position. Otherwise it is
displayed at the mouse position, with offset DX added (default is 5 if
DX isn't specified). Likewise for the y-position; if a `top' frame
clear_glyph_matrix (w->desired_matrix);
clear_glyph_matrix (w->current_matrix);
SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
- try_window (FRAME_ROOT_WINDOW (f), pos);
+ try_window (FRAME_ROOT_WINDOW (f), pos, 0);
/* Compute width and height of the tooltip. */
width = height = 0;
AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
FRAME_EXTERNAL_MENU_BAR (f));
- /* Position and size tooltip, and put it in the topmost group. */
+ /* Position and size tooltip, and put it in the topmost group.
+ The add-on of 3 to the 5th argument is a kludge: without it,
+ some fonts cause the last character of the tip to be truncated,
+ for some obscure reason. */
SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOPMOST,
- root_x, root_y, rect.right - rect.left,
+ root_x, root_y, rect.right - rect.left + 3,
rect.bottom - rect.top, SWP_NOACTIVATE);
/* Ensure tooltip is on top of other topmost windows (eg menus). */
{
OFNOTIFY * notify = (OFNOTIFY *)lParam;
/* Detect when the Filter dropdown is changed. */
- if (notify->hdr.code == CDN_TYPECHANGE)
+ if (notify->hdr.code == CDN_TYPECHANGE
+ || notify->hdr.code == CDN_INITDONE)
{
HWND dialog = GetParent (hwnd);
HWND edit_control = GetDlgItem (dialog, FILE_NAME_TEXT_FIELD);
}
else
{
- CommDlg_OpenSave_SetControlText (dialog, FILE_NAME_TEXT_FIELD,
- "");
+ /* Don't override default filename on init done. */
+ if (notify->hdr.code == CDN_TYPECHANGE)
+ CommDlg_OpenSave_SetControlText (dialog,
+ FILE_NAME_TEXT_FIELD, "");
EnableWindow (edit_control, TRUE);
}
}
return 0;
}
-DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0,
+/* Since we compile with _WIN32_WINNT set to 0x0400 (for NT4 compatibility)
+ we end up with the old file dialogs. Define a big enough struct for the
+ new dialog to trick GetOpenFileName into giving us the new dialogs on
+ Windows 2000 and XP. */
+typedef struct
+{
+ OPENFILENAME real_details;
+ void * pReserved;
+ DWORD dwReserved;
+ DWORD FlagsEx;
+} NEWOPENFILENAME;
+
+
+DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
doc: /* Read file name, prompting with PROMPT in directory DIR.
Use a file selection dialog.
Select DEFAULT-FILENAME in the dialog's file selection box, if
-specified. Ensure that file exists if MUSTMATCH is non-nil. */)
- (prompt, dir, default_filename, mustmatch)
- Lisp_Object prompt, dir, default_filename, mustmatch;
+specified. Ensure that file exists if MUSTMATCH is non-nil.
+If ONLY-DIR-P is non-nil, the user can only select directories. */)
+ (prompt, dir, default_filename, mustmatch, only_dir_p)
+ Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p;
{
struct frame *f = SELECTED_FRAME ();
Lisp_Object file = Qnil;
int count = SPECPDL_INDEX ();
- struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6;
char filename[MAX_PATH + 1];
char init_dir[MAX_PATH + 1];
+ int default_filter_index = 1; /* 1: All Files, 2: Directories only */
- GCPRO5 (prompt, dir, default_filename, mustmatch, file);
+ GCPRO6 (prompt, dir, default_filename, mustmatch, only_dir_p, file);
CHECK_STRING (prompt);
CHECK_STRING (dir);
/* Create the dialog with PROMPT as title, using DIR as initial
directory and using "*" as pattern. */
dir = Fexpand_file_name (dir, Qnil);
- strncpy (init_dir, SDATA (dir), MAX_PATH);
+ strncpy (init_dir, SDATA (ENCODE_FILE (dir)), MAX_PATH);
init_dir[MAX_PATH] = '\0';
unixtodos_filename (init_dir);
if (STRINGP (default_filename))
{
char *file_name_only;
- char *full_path_name = SDATA (default_filename);
+ char *full_path_name = SDATA (ENCODE_FILE (default_filename));
unixtodos_filename (full_path_name);
if (!file_name_only)
file_name_only = full_path_name;
else
- {
- file_name_only++;
- }
+ file_name_only++;
strncpy (filename, file_name_only, MAX_PATH);
filename[MAX_PATH] = '\0';
filename[0] = '\0';
{
- OPENFILENAME file_details;
+ NEWOPENFILENAME new_file_details;
+ BOOL file_opened = FALSE;
+ OPENFILENAME * file_details = &new_file_details.real_details;
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
BLOCK_INPUT;
- bzero (&file_details, sizeof (file_details));
- file_details.lStructSize = sizeof (file_details);
- file_details.hwndOwner = FRAME_W32_WINDOW (f);
+ bzero (&new_file_details, sizeof (new_file_details));
+ /* Apparently NT4 crashes if you give it an unexpected size.
+ I'm not sure about Windows 9x, so play it safe. */
+ if (w32_major_version > 4 && w32_major_version < 95)
+ file_details->lStructSize = sizeof (new_file_details);
+ else
+ file_details->lStructSize = sizeof (file_details);
+
+ file_details->hwndOwner = FRAME_W32_WINDOW (f);
/* Undocumented Bug in Common File Dialog:
If a filter is not specified, shell links are not resolved. */
- file_details.lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
- file_details.lpstrFile = filename;
- file_details.nMaxFile = sizeof (filename);
- file_details.lpstrInitialDir = init_dir;
- file_details.lpstrTitle = SDATA (prompt);
- file_details.Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
+ file_details->lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
+ file_details->lpstrFile = filename;
+ file_details->nMaxFile = sizeof (filename);
+ file_details->lpstrInitialDir = init_dir;
+ file_details->lpstrTitle = SDATA (prompt);
+
+ if (! NILP (only_dir_p))
+ default_filter_index = 2;
+
+ file_details->nFilterIndex = default_filter_index;
+
+ file_details->Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
| OFN_EXPLORER | OFN_ENABLEHOOK);
if (!NILP (mustmatch))
- file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
+ {
+ /* Require that the path to the parent directory exists. */
+ file_details->Flags |= OFN_PATHMUSTEXIST;
+ /* If we are looking for a file, require that it exists. */
+ if (NILP (only_dir_p))
+ file_details->Flags |= OFN_FILEMUSTEXIST;
+ }
+
+ file_details->lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
- file_details.lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
+ file_opened = GetOpenFileName (file_details);
- if (GetOpenFileName (&file_details))
+ UNBLOCK_INPUT;
+
+ if (file_opened)
{
dostounix_filename (filename);
- if (file_details.nFilterIndex == 2)
+
+ if (file_details->nFilterIndex == 2)
{
- /* "Folder Only" selected - strip dummy file name. */
+ /* "Directories" selected - strip dummy file name. */
char * last = strrchr (filename, '/');
*last = '\0';
}
dir, mustmatch, dir, Qfile_name_history,
default_filename, Qnil);
- UNBLOCK_INPUT;
file = unbind_to (count, file);
}
***********************************************************************/
DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 2, 0,
- doc: /* Select a font using the W32 font dialog.
-Returns an X font string corresponding to the selection. */)
+ doc: /* Select a font for the named FRAME using the W32 font dialog.
+Returns an X-style font string corresponding to the selection.
+
+If FRAME is omitted or nil, it defaults to the selected frame.
+If INCLUDE-PROPORTIONAL is non-nil, include proportional fonts
+in the font selection dialog. */)
(frame, include_proportional)
Lisp_Object frame, include_proportional;
{
DEFUN ("w32-send-sys-command", Fw32_send_sys_command,
Sw32_send_sys_command, 1, 2, 0,
doc: /* Send frame a Windows WM_SYSCOMMAND message of type COMMAND.
-Some useful values for command are #xf030 to maximise frame (#xf020
+Some useful values for COMMAND are #xf030 to maximize frame (#xf020
to minimize), #xf120 to restore frame to original size, and #xf100
to activate the menubar for keyboard access. #xf140 activates the
screen saver if defined.
/* Convert a one-element vector style key sequence to a hot key
definition. */
-static int
+static Lisp_Object
w32_parse_hot_key (key)
Lisp_Object key;
{
if (SYMBOLP (c))
{
c = parse_modifiers (c);
- lisp_modifiers = Fcar (Fcdr (c));
+ lisp_modifiers = XINT (Fcar (Fcdr (c)));
c = Fcar (c);
if (!SYMBOLP (c))
abort ();
/* Notify input thread about new hot-key definition, so that it
takes effect without needing to switch focus. */
+#ifdef USE_LISP_UNION_TYPE
+ PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
+ (WPARAM) key.i, 0);
+#else
PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
(WPARAM) key, 0);
+#endif
}
return key;
DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key,
Sw32_unregister_hot_key, 1, 1, 0,
- doc: /* Unregister HOTKEY as a hot-key combination. */)
+ doc: /* Unregister KEY as a hot-key combination. */)
(key)
Lisp_Object key;
{
{
/* Notify input thread about hot-key definition being removed, so
that it takes effect without needing focus switch. */
+#ifdef USE_LISP_UNION_TYPE
+ if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
+ (WPARAM) XINT (XCAR (item)), (LPARAM) item.i))
+#else
if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
(WPARAM) XINT (XCAR (item)), (LPARAM) item))
+
+#endif
{
MSG msg;
GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key,
Sw32_reconstruct_hot_key, 1, 1, 0,
- doc: /* Convert hot-key ID to a lisp key combination. */)
+ doc: /* Convert hot-key ID to a lisp key combination.
+usage: (w32-reconstruct-hot-key ID) */)
(hotkeyid)
Lisp_Object hotkeyid;
{
if (!dwWindowsThreadId)
return make_number (w32_console_toggle_lock_key (vk_code, new_state));
+#ifdef USE_LISP_UNION_TYPE
+ if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
+ (WPARAM) vk_code, (LPARAM) new_state.i))
+#else
if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
(WPARAM) vk_code, (LPARAM) new_state))
+#endif
{
MSG msg;
GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
return value;
}
\f
+DEFUN ("default-printer-name", Fdefault_printer_name, Sdefault_printer_name,
+ 0, 0, 0, doc: /* Return the name of Windows default printer device. */)
+ ()
+{
+ static char pname_buf[256];
+ int err;
+ HANDLE hPrn;
+ PRINTER_INFO_2 *ppi2 = NULL;
+ DWORD dwNeeded = 0, dwReturned = 0;
+
+ /* Retrieve the default string from Win.ini (the registry).
+ * String will be in form "printername,drivername,portname".
+ * This is the most portable way to get the default printer. */
+ if (GetProfileString ("windows", "device", ",,", pname_buf, sizeof (pname_buf)) <= 0)
+ return Qnil;
+ /* printername precedes first "," character */
+ strtok (pname_buf, ",");
+ /* We want to know more than the printer name */
+ if (!OpenPrinter (pname_buf, &hPrn, NULL))
+ return Qnil;
+ GetPrinter (hPrn, 2, NULL, 0, &dwNeeded);
+ if (dwNeeded == 0)
+ {
+ ClosePrinter (hPrn);
+ return Qnil;
+ }
+ /* Allocate memory for the PRINTER_INFO_2 struct */
+ ppi2 = (PRINTER_INFO_2 *) xmalloc (dwNeeded);
+ if (!ppi2)
+ {
+ ClosePrinter (hPrn);
+ return Qnil;
+ }
+ /* Call GetPrinter() again with big enouth memory block */
+ err = GetPrinter (hPrn, 2, (LPBYTE)ppi2, dwNeeded, &dwReturned);
+ ClosePrinter (hPrn);
+ if (!err)
+ {
+ xfree(ppi2);
+ return Qnil;
+ }
+
+ if (ppi2)
+ {
+ if (ppi2->Attributes & PRINTER_ATTRIBUTE_SHARED && ppi2->pServerName)
+ {
+ /* a remote printer */
+ if (*ppi2->pServerName == '\\')
+ _snprintf(pname_buf, sizeof (pname_buf), "%s\\%s", ppi2->pServerName,
+ ppi2->pShareName);
+ else
+ _snprintf(pname_buf, sizeof (pname_buf), "\\\\%s\\%s", ppi2->pServerName,
+ ppi2->pShareName);
+ pname_buf[sizeof (pname_buf) - 1] = '\0';
+ }
+ else
+ {
+ /* a local printer */
+ strncpy(pname_buf, ppi2->pPortName, sizeof (pname_buf));
+ pname_buf[sizeof (pname_buf) - 1] = '\0';
+ /* `pPortName' can include several ports, delimited by ','.
+ * we only use the first one. */
+ strtok(pname_buf, ",");
+ }
+ xfree(ppi2);
+ }
+
+ return build_string (pname_buf);
+}
+\f
/***********************************************************************
Initialization
***********************************************************************/
-/* Keep this list in the same order as frame_parms in frame.c.
+/* Keep this list in the same order as frame_parms in frame.c.
Use 0 for unsupported frame parameters. */
frame_parm_handler w32_frame_parm_handlers[] =
staticpro (&Qsuppress_icon);
Qundefined_color = intern ("undefined-color");
staticpro (&Qundefined_color);
- Qcenter = intern ("center");
- staticpro (&Qcenter);
Qcancel_timer = intern ("cancel-timer");
staticpro (&Qcancel_timer);
= Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky);
- Qlaplace = intern ("laplace");
- staticpro (&Qlaplace);
- Qemboss = intern ("emboss");
- staticpro (&Qemboss);
- Qedge_detection = intern ("edge-detection");
- staticpro (&Qedge_detection);
- Qheuristic = intern ("heuristic");
- staticpro (&Qheuristic);
- QCmatrix = intern (":matrix");
- staticpro (&QCmatrix);
- QCcolor_adjustment = intern (":color-adjustment");
- staticpro (&QCcolor_adjustment);
- QCmask = intern (":mask");
- staticpro (&QCmask);
-
Fput (Qundefined_color, Qerror_conditions,
Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
Fput (Qundefined_color, Qerror_message,
w32_grabbed_keys = Qnil;
DEFVAR_LISP ("w32-color-map", &Vw32_color_map,
- doc: /* An array of color name mappings for windows. */);
+ doc: /* An array of color name mappings for Windows. */);
Vw32_color_map = Qnil;
DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system,
When nil, Emacs will translate the alt key to the Alt modifier, and not Meta. */);
Vw32_alt_is_meta = Qt;
- DEFVAR_INT ("w32-quit-key", &Vw32_quit_key,
- doc: /* If non-zero, the virtual key code for an alternative quit key. */);
- XSETINT (Vw32_quit_key, 0);
+ DEFVAR_INT ("w32-quit-key", &w32_quit_key,
+ doc: /* If non-zero, the virtual key code for an alternative quit key. */);
+ w32_quit_key = 0;
DEFVAR_LISP ("w32-pass-lwindow-to-system",
&Vw32_pass_lwindow_to_system,
When non-nil, the Start menu is opened by tapping the key. */);
Vw32_pass_rwindow_to_system = Qt;
- DEFVAR_INT ("w32-phantom-key-code",
+ DEFVAR_LISP ("w32-phantom-key-code",
&Vw32_phantom_key_code,
- doc: /* Virtual key code used to generate \"phantom\" key presses.
+ doc: /* Virtual key code used to generate \"phantom\" key presses.
Value is a number between 0 and 255.
Phantom key presses are generated in order to stop the system from
`w32-pass-rwindow-to-system' is nil. */);
/* Although 255 is technically not a valid key code, it works and
means that this hack won't interfere with any real key code. */
- Vw32_phantom_key_code = 255;
+ XSETINT (Vw32_phantom_key_code, 255);
DEFVAR_LISP ("w32-enable-num-lock",
&Vw32_enable_num_lock,
Vw32_enable_palette = Qt;
DEFVAR_INT ("w32-mouse-button-tolerance",
- &Vw32_mouse_button_tolerance,
+ &w32_mouse_button_tolerance,
doc: /* Analogue of double click interval for faking middle mouse events.
The value is the minimum time in milliseconds that must elapse between
left/right button down events before they are considered distinct events.
If both mouse buttons are depressed within this interval, a middle mouse
button down event is generated instead. */);
- XSETINT (Vw32_mouse_button_tolerance, GetDoubleClickTime () / 2);
+ w32_mouse_button_tolerance = GetDoubleClickTime () / 2;
DEFVAR_INT ("w32-mouse-move-interval",
- &Vw32_mouse_move_interval,
+ &w32_mouse_move_interval,
doc: /* Minimum interval between mouse move events.
The value is the minimum time in milliseconds that must elapse between
successive mouse move (or scroll bar drag) events before they are
reported as lisp events. */);
- XSETINT (Vw32_mouse_move_interval, 0);
+ w32_mouse_move_interval = 0;
DEFVAR_BOOL ("w32-pass-extra-mouse-buttons-to-system",
&w32_pass_extra_mouse_buttons_to_system,
system to handle them. */);
w32_pass_extra_mouse_buttons_to_system = 0;
- DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path,
- doc: /* List of directories to search for window system bitmap files. */);
- Vx_bitmap_file_path = decode_env_path ((char *) 0, "PATH");
-
DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
doc: /* The shape of the pointer when over text.
Changing the value does not affect existing frames
Chinese, Japanese, and Korean. */);
Vx_pixel_size_width_font_regexp = Qnil;
- DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay,
- doc: /* Time after which cached images are removed from the cache.
-When an image has not been displayed this many seconds, remove it
-from the image cache. Value must be an integer or nil with nil
-meaning don't clear the cache. */);
- Vimage_cache_eviction_delay = make_number (30 * 60);
-
DEFVAR_LISP ("w32-bdf-filename-alist",
&Vw32_bdf_filename_alist,
doc: /* List of bdf fonts and their corresponding filenames. */);
DEFVAR_BOOL ("w32-strict-painting",
&w32_strict_painting,
doc: /* Non-nil means use strict rules for repainting frames.
-Set this to nil to get the old behaviour for repainting; this should
+Set this to nil to get the old behavior for repainting; this should
only be necessary if the default setting causes problems. */);
w32_strict_painting = 1;
staticpro (&Qw32_charset_ansi);
Qw32_charset_ansi = intern ("w32-charset-ansi");
staticpro (&Qw32_charset_symbol);
+ Qw32_charset_default = intern ("w32-charset-default");
+ staticpro (&Qw32_charset_default);
Qw32_charset_symbol = intern ("w32-charset-symbol");
staticpro (&Qw32_charset_shiftjis);
Qw32_charset_shiftjis = intern ("w32-charset-shiftjis");
defsubr (&Sw32_find_bdf_fonts);
defsubr (&Sfile_system_info);
+ defsubr (&Sdefault_printer_name);
/* Setting callback functions for fontset handler. */
get_font_info_func = w32_get_font_info;
set_frame_fontset_func = x_set_font;
check_window_system_func = check_w32;
- /* Images. */
- Qxbm = intern ("xbm");
- staticpro (&Qxbm);
- QCconversion = intern (":conversion");
- staticpro (&QCconversion);
- QCheuristic_mask = intern (":heuristic-mask");
- staticpro (&QCheuristic_mask);
- QCcolor_symbols = intern (":color-symbols");
- staticpro (&QCcolor_symbols);
- QCascent = intern (":ascent");
- staticpro (&QCascent);
- QCmargin = intern (":margin");
- staticpro (&QCmargin);
- QCrelief = intern (":relief");
- staticpro (&QCrelief);
- Qpostscript = intern ("postscript");
- staticpro (&Qpostscript);
- QCloader = intern (":loader");
- staticpro (&QCloader);
- QCbounding_box = intern (":bounding-box");
- staticpro (&QCbounding_box);
- QCpt_width = intern (":pt-width");
- staticpro (&QCpt_width);
- QCpt_height = intern (":pt-height");
- staticpro (&QCpt_height);
- QCindex = intern (":index");
- staticpro (&QCindex);
- Qpbm = intern ("pbm");
- staticpro (&Qpbm);
-
-#if HAVE_XPM
- Qxpm = intern ("xpm");
- staticpro (&Qxpm);
-#endif
-
-#if HAVE_JPEG
- Qjpeg = intern ("jpeg");
- staticpro (&Qjpeg);
-#endif
-
-#if HAVE_TIFF
- Qtiff = intern ("tiff");
- staticpro (&Qtiff);
-#endif
-
-#if HAVE_GIF
- Qgif = intern ("gif");
- staticpro (&Qgif);
-#endif
-
-#if HAVE_PNG
- Qpng = intern ("png");
- staticpro (&Qpng);
-#endif
-
- defsubr (&Sclear_image_cache);
- defsubr (&Simage_size);
- defsubr (&Simage_mask_p);
hourglass_atimer = NULL;
hourglass_shown_p = 0;
/* ditto for GetClipboardSequenceNumber. */
clipboard_sequence_fn = (ClipboardSequence_Proc)
GetProcAddress (user32_lib, "GetClipboardSequenceNumber");
-}
-
-/* Initialize image types. Based on which libraries are available. */
-static void
-init_external_image_libraries ()
-{
- HINSTANCE library;
-#if HAVE_XPM
- if ((library = LoadLibrary ("libXpm.dll")))
- {
- if (init_xpm_functions (library))
- define_image_type (&xpm_type);
- }
-
-#endif
-
-#if HAVE_JPEG
- /* Try loading jpeg library under probable names. */
- if ((library = LoadLibrary ("libjpeg.dll"))
- || (library = LoadLibrary ("jpeg-62.dll"))
- || (library = LoadLibrary ("jpeg.dll")))
- {
- if (init_jpeg_functions (library))
- define_image_type (&jpeg_type);
- }
-#endif
-
-#if HAVE_TIFF
- if (library = LoadLibrary ("libtiff.dll"))
- {
- if (init_tiff_functions (library))
- define_image_type (&tiff_type);
- }
-#endif
-
-#if HAVE_GIF
- if (library = LoadLibrary ("libungif.dll"))
- {
- if (init_gif_functions (library))
- define_image_type (&gif_type);
- }
-#endif
-
-#if HAVE_PNG
- /* Ensure zlib is loaded. Try debug version first. */
- if (!LoadLibrary ("zlibd.dll"))
- LoadLibrary ("zlib.dll");
-
- /* Try loading libpng under probable names. */
- if ((library = LoadLibrary ("libpng13d.dll"))
- || (library = LoadLibrary ("libpng13.dll"))
- || (library = LoadLibrary ("libpng12d.dll"))
- || (library = LoadLibrary ("libpng12.dll"))
- || (library = LoadLibrary ("libpng.dll")))
- {
- if (init_png_functions (library))
- define_image_type (&png_type);
- }
-#endif
-}
-
-void
-init_xfns ()
-{
- image_types = NULL;
- Vimage_types = Qnil;
-
- define_image_type (&pbm_type);
- define_image_type (&xbm_type);
-
-#if 0 /* TODO : Ghostscript support for W32 */
- define_image_type (&gs_type);
-#endif
-
- /* Image types that rely on external libraries are loaded dynamically
- if the library is available. */
- init_external_image_libraries ();
+ DEFVAR_INT ("w32-ansi-code-page",
+ &w32_ansi_code_page,
+ doc: /* The ANSI code page used by the system. */);
+ w32_ansi_code_page = GetACP ();
}
#undef abort
+void w32_abort (void) NO_RETURN;
+
void
w32_abort()
{
int button;
button = MessageBox (NULL,
"A fatal error has occurred!\n\n"
- "Select Abort to exit, Retry to debug, Ignore to continue",
- "Emacs Abort Dialog",
+ "Would you like to attach a debugger?\n\n"
+ "Select YES to debug, NO to abort Emacs"
+#if __GNUC__
+ "\n\n(type \"gdb -p <emacs-PID>\" and\n"
+ "\"continue\" inside GDB before clicking YES.)"
+#endif
+ , "Emacs Abort Dialog",
MB_ICONEXCLAMATION | MB_TASKMODAL
- | MB_SETFOREGROUND | MB_ABORTRETRYIGNORE);
+ | MB_SETFOREGROUND | MB_YESNO);
switch (button)
{
- case IDRETRY:
+ case IDYES:
DebugBreak ();
- break;
- case IDIGNORE:
- break;
- case IDABORT:
+ exit (2); /* tell the compiler we will never return */
+ case IDNO:
default:
abort ();
break;