code.delx.au - refind/blob - refind/icns.c

   1 /*
   2  * refit/icns.c
   3  * Loader for .icns icon files
   4  *
   5  * Copyright (c) 2006-2007 Christoph Pfisterer
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are
  10  * met:
  11  *
  12  *  * Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  *  * Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  *  * Neither the name of Christoph Pfisterer nor the names of the
  21  *    contributors may be used to endorse or promote products derived
  22  *    from this software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  */
  36
  37 #include "global.h"
  38 #include "lib.h"
  39 #include "icns.h"
  40 #include "config.h"
  41 #include "../refind/screen.h"
  42
  43 //
  44 // well-known icons
  45 //
  46
  47 typedef struct {
  48     EG_IMAGE    *Image;
  49     CHAR16      *FileName;
  50     UINTN       PixelSize;
  51 } BUILTIN_ICON;
  52
  53 BUILTIN_ICON BuiltinIconTable[BUILTIN_ICON_COUNT] = {
  54    { NULL, L"func_about.icns", 48 },
  55    { NULL, L"func_reset.icns", 48 },
  56    { NULL, L"func_shutdown.icns", 48 },
  57    { NULL, L"func_exit.icns", 48 },
  58    { NULL, L"tool_shell.icns", 48 },
  59    { NULL, L"tool_part.icns", 48 },
  60    { NULL, L"tool_rescue.icns", 48 },
  61    { NULL, L"vol_internal.icns", 32 },
  62    { NULL, L"vol_external.icns", 32 },
  63    { NULL, L"vol_optical.icns", 32 },
  64 };
  65
  66 EG_IMAGE * BuiltinIcon(IN UINTN Id)
  67 {
  68     CHAR16 FileName[256];
  69
  70     if (Id >= BUILTIN_ICON_COUNT)
  71         return NULL;
  72
  73     if (BuiltinIconTable[Id].Image == NULL) {
  74         SPrint(FileName, 255, L"%s\\%s", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
  75                BuiltinIconTable[Id].FileName);
  76         BuiltinIconTable[Id].Image = LoadIcnsFallback(SelfDir, FileName, BuiltinIconTable[Id].PixelSize);
  77     } // if
  78
  79     return BuiltinIconTable[Id].Image;
  80 }
  81
  82 //
  83 // Load an icon for an operating system
  84 //
  85
  86 // Load an OS icon from among the comma-delimited list provided in OSIconName.
  87 EG_IMAGE * LoadOSIcon(IN CHAR16 *OSIconName OPTIONAL, IN CHAR16 *FallbackIconName, BOOLEAN BootLogo)
  88 {
  89     EG_IMAGE        *Image;
  90     CHAR16          *CutoutName;
  91     CHAR16          FileName[256];
  92     UINTN           Index = 0;
  93
  94     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
  95         return NULL;
  96
  97     // try the names from OSIconName
  98     while ((CutoutName = FindCommaDelimited(OSIconName, Index++)) != NULL) {
  99        SPrint(FileName, 255, L"%s\\%s_%s.icns", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
 100               BootLogo ? L"boot" : L"os", CutoutName);
 101
 102         // try to load it
 103         Image = egLoadIcon(SelfDir, FileName, 128);
 104         if (Image != NULL) {
 105             FreePool(CutoutName);
 106             return Image;
 107         }
 108         FreePool(CutoutName);
 109     } // while
 110
 111     // try the fallback name
 112     SPrint(FileName, 255, L"%s\\%s_%s.icns", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
 113            BootLogo ? L"boot" : L"os", FallbackIconName);
 114     Image = egLoadIcon(SelfDir, FileName, 128);
 115     if (Image != NULL)
 116         return Image;
 117
 118     // try the fallback name with os_ instead of boot_
 119     if (BootLogo)
 120         return LoadOSIcon(NULL, FallbackIconName, FALSE);
 121
 122     return DummyImage(128);
 123 } /* EG_IMAGE * LoadOSIcon() */
 124
 125 //
 126 // Load an image from a .icns file
 127 //
 128
 129 EG_IMAGE * LoadIcns(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN UINTN PixelSize)
 130 {
 131     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
 132         return NULL;
 133     return egLoadIcon(BaseDir, FileName, PixelSize);
 134 }
 135
 136 static EG_PIXEL BlackPixel  = { 0x00, 0x00, 0x00, 0 };
 137 //static EG_PIXEL YellowPixel = { 0x00, 0xff, 0xff, 0 };
 138
 139 EG_IMAGE * DummyImage(IN UINTN PixelSize)
 140 {
 141     EG_IMAGE        *Image;
 142     UINTN           x, y, LineOffset;
 143     CHAR8           *Ptr, *YPtr;
 144
 145     Image = egCreateFilledImage(PixelSize, PixelSize, TRUE, &BlackPixel);
 146
 147     LineOffset = PixelSize * 4;
 148
 149     YPtr = (CHAR8 *)Image->PixelData + ((PixelSize - 32) >> 1) * (LineOffset + 4);
 150     for (y = 0; y < 32; y++) {
 151         Ptr = YPtr;
 152         for (x = 0; x < 32; x++) {
 153             if (((x + y) % 12) < 6) {
 154                 *Ptr++ = 0;
 155                 *Ptr++ = 0;
 156                 *Ptr++ = 0;
 157             } else {
 158                 *Ptr++ = 0;
 159                 *Ptr++ = 255;
 160                 *Ptr++ = 255;
 161             }
 162             *Ptr++ = 144;
 163         }
 164         YPtr += LineOffset;
 165     }
 166
 167     return Image;
 168 }
 169
 170 EG_IMAGE * LoadIcnsFallback(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN UINTN PixelSize)
 171 {
 172     EG_IMAGE *Image;
 173     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
 174         return NULL;
 175
 176     Image = LoadIcns(BaseDir, FileName, PixelSize);
 177     if (Image == NULL) {
 178         Image = DummyImage(PixelSize);
 179     }
 180     return Image;
 181 }