/* Font back-end driver for the NeXT/Open/GNUstep and MacOSX window system.
See font.h
- Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2006-2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* This should be the first include, as it may set up #defines affecting
interpretation of even the system includes. */
-#include "config.h"
+#include <config.h>
+#include <setjmp.h>
#include "lisp.h"
#include "dispextern.h"
#include "frame.h"
#include "character.h"
#include "font.h"
+#include "termchar.h"
/* TODO: Drop once we can assume gnustep-gui 0.17.1. */
#ifdef NS_IMPL_GNUSTEP
extern Lisp_Object Qns;
extern Lisp_Object Qnormal, Qbold, Qitalic, Qcondensed, Qexpanded;
-static Lisp_Object Vns_reg_to_script;
static Lisp_Object Qapple, Qroman, Qmedium;
extern Lisp_Object Qappend;
-extern int ns_antialias_text;
extern float ns_antialias_threshold;
extern int ns_tmp_flags;
extern struct nsfont_info *ns_tmp_font;
/* Converts NSFont descriptor to FONT_WEIGHT, FONT_SLANT, FONT_WIDTH, etc.. */
static Lisp_Object
-ns_descriptor_to_entity (NSFontDescriptor *desc, Lisp_Object extra, char *style)
+ns_descriptor_to_entity (NSFontDescriptor *desc,
+ Lisp_Object extra,
+ const char *style)
{
Lisp_Object font_entity = font_make_entity ();
/* NSString *psName = [desc postscriptName]; */
/* Default font entity. */
static Lisp_Object
-ns_fallback_entity ()
+ns_fallback_entity (void)
{
return ns_descriptor_to_entity ([[NSFont userFixedPitchFontOfSize: 0]
fontDescriptor], Qnil, NULL);
if (NSFONT_TRACE)
fprintf (stderr, " Returning %ld entities.\n",
- (long)XINT (Flength (list)));
+ (long) XINT (Flength (list)));
return list;
}
if (NSFONT_TRACE)
fprintf (stderr, "nsfont: list families returning %ld entries\n",
- (long)XINT (Flength (list)));
+ (long) XINT (Flength (list)));
return list;
}
xmalloc (0x100 * sizeof (struct font_metrics *));
if (!font_info->glyphs || !font_info->metrics)
return Qnil;
- bzero (font_info->glyphs, 0x100 * sizeof (unsigned short *));
- bzero (font_info->metrics, 0x100 * sizeof (struct font_metrics *));
+ memset (font_info->glyphs, 0, 0x100 * sizeof (unsigned short *));
+ memset (font_info->metrics, 0, 0x100 * sizeof (struct font_metrics *));
BLOCK_INPUT;
const char *fontName = [[nsfont fontName] UTF8String];
int len = strlen (fontName);
+ /* The values specified by fonts are not always exact. For
+ * example, a 6x8 font could specify that the descender is
+ * -2.00000405... (represented by 0xc000000220000000). Without
+ * adjustment, the code below would round the descender to -3,
+ * resulting in a font that would be one pixel higher than
+ * intended. */
+ CGFloat adjusted_descender = [sfont descender] + 0.0001;
+
#ifdef NS_IMPL_GNUSTEP
font_info->nsfont = sfont;
#else
[font_info->nsfont retain];
/* set up ns_font (defined in nsgui.h) */
- font_info->name = (char *)xmalloc (strlen (fontName) + 1);
- bcopy (fontName, font_info->name, strlen (fontName) + 1);
+ font_info->name = (char *)xmalloc (strlen (fontName)+1);
+ strcpy (font_info->name, fontName);
font_info->bold = [fontMgr traitsOfFont: nsfont] & NSBoldFontMask;
font_info->ital =
synthItal || ([fontMgr traitsOfFont: nsfont] & NSItalicFontMask);
brect = [sfont boundingRectForFont];
full_height = brect.size.height;
- min_height = [sfont ascender] - [sfont descender];
+ min_height = [sfont ascender] - adjusted_descender;
hd = full_height - min_height;
/* standard height, similar to Carbon. Emacs.app: was 0.5 by default. */
/* max bounds */
font_info->max_bounds.ascent =
lrint (hshrink * [sfont ascender] + expand * hd/2);
+ /* Descender is usually negative. Use floor to avoid
+ clipping descenders. */
font_info->max_bounds.descent =
- -lrint (hshrink* [sfont descender] - expand*hd/2);
+ -lrint (floor(hshrink* adjusted_descender - expand*hd/2));
font_info->height =
font_info->max_bounds.ascent + font_info->max_bounds.descent;
font_info->max_bounds.width = lrint (font_info->width);
#endif
/* set up metrics portion of font struct */
- font->ascent = [sfont ascender];
- font->descent = -[sfont descender];
+ font->ascent = lrint([sfont ascender]);
+ font->descent = -lrint(floor(adjusted_descender));
font->min_width = ns_char_width(sfont, '|');
font->space_width = lrint (ns_char_width (sfont, ' '));
font->average_width = lrint (font_info->width);
int totalWidth = 0;
int i;
- bzero (metrics, sizeof (struct font_metrics));
+ memset (metrics, 0, sizeof (struct font_metrics));
for (i =0; i<nglyphs; i++)
{
face = s->face;
break;
case NS_DUMPGLYPH_MOUSEFACE:
- face = FACE_FROM_ID (s->f,
- FRAME_NS_DISPLAY_INFO (s->f)->mouse_face_face_id);
+ face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
if (!face)
face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
break;
DPSstroke (context);
DPSgrestore (context);
- return to-from;
}
#else /* NS_IMPL_COCOA */
CGContextSetFont (gcontext, font->cgfont);
CGContextSetFontSize (gcontext, font->size);
- if (ns_antialias_text == Qnil || font->size <= ns_antialias_threshold)
+ if (NILP (ns_antialias_text) || font->size <= ns_antialias_threshold)
CGContextSetShouldAntialias (gcontext, 0);
else
CGContextSetShouldAntialias (gcontext, 1);
}
CGContextRestoreGState (gcontext);
- return;
}
#endif /* NS_IMPL_COCOA */
-
+ return to-from;
}
sfont = [font_info->nsfont screenFont];
font_info->metrics[block] = xmalloc (0x100 * sizeof (struct font_metrics));
- bzero (font_info->metrics[block], 0x100 * sizeof (struct font_metrics));
+ memset (font_info->metrics[block], 0, 0x100 * sizeof (struct font_metrics));
if (!(font_info->metrics[block]))
abort ();
void
-syms_of_nsfont ()
+syms_of_nsfont (void)
{
nsfont_driver.type = Qns;
register_font_driver (&nsfont_driver, NULL);
DEFSYM (Qapple, "apple");
DEFSYM (Qroman, "roman");
DEFSYM (Qmedium, "medium");
- DEFVAR_LISP ("ns-reg-to-script", &Vns_reg_to_script,
+ DEFVAR_LISP ("ns-reg-to-script", Vns_reg_to_script,
doc: /* Internal use: maps font registry to unicode script. */);
}
-// arch-tag: d6c3c6f0-62de-4978-8b1e-b7966fe02cae