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"tool_apple_rescue.icns", 48 },
  62    { NULL, L"vol_internal.icns", 32 },
  63    { NULL, L"vol_external.icns", 32 },
  64    { NULL, L"vol_optical.icns", 32 },
  65 };
  66
  67 EG_IMAGE * BuiltinIcon(IN UINTN Id)
  68 {
  69     CHAR16 FileName[256];
  70
  71     if (Id >= BUILTIN_ICON_COUNT)
  72         return NULL;
  73
  74     if (BuiltinIconTable[Id].Image == NULL) {
  75         SPrint(FileName, 255, L"%s\\%s", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
  76                BuiltinIconTable[Id].FileName);
  77         BuiltinIconTable[Id].Image = LoadIcnsFallback(SelfDir, FileName, BuiltinIconTable[Id].PixelSize);
  78     } // if
  79
  80     return BuiltinIconTable[Id].Image;
  81 }
  82
  83 //
  84 // Load an icon for an operating system
  85 //
  86
  87 // Load an OS icon from among the comma-delimited list provided in OSIconName.
  88 EG_IMAGE * LoadOSIcon(IN CHAR16 *OSIconName OPTIONAL, IN CHAR16 *FallbackIconName, BOOLEAN BootLogo)
  89 {
  90     EG_IMAGE        *Image;
  91     CHAR16          *CutoutName;
  92     CHAR16          FileName[256];
  93     UINTN           Index = 0;
  94
  95     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
  96         return NULL;
  97
  98     // try the names from OSIconName
  99     while ((CutoutName = FindCommaDelimited(OSIconName, Index++)) != NULL) {
 100        SPrint(FileName, 255, L"%s\\%s_%s.icns", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
 101               BootLogo ? L"boot" : L"os", CutoutName);
 102
 103         // try to load it
 104         Image = egLoadIcon(SelfDir, FileName, 128);
 105         if (Image != NULL) {
 106             MyFreePool(CutoutName);
 107             return Image;
 108         }
 109         MyFreePool(CutoutName);
 110     } // while
 111
 112     // try the fallback name
 113     SPrint(FileName, 255, L"%s\\%s_%s.icns", GlobalConfig.IconsDir ? GlobalConfig.IconsDir : DEFAULT_ICONS_DIR,
 114            BootLogo ? L"boot" : L"os", FallbackIconName);
 115     Image = egLoadIcon(SelfDir, FileName, 128);
 116     if (Image != NULL)
 117         return Image;
 118
 119     // try the fallback name with os_ instead of boot_
 120     if (BootLogo)
 121         return LoadOSIcon(NULL, FallbackIconName, FALSE);
 122
 123     return DummyImage(128);
 124 } /* EG_IMAGE * LoadOSIcon() */
 125
 126 //
 127 // Load an image from a .icns file
 128 //
 129
 130 EG_IMAGE * LoadIcns(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN UINTN PixelSize)
 131 {
 132     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
 133         return NULL;
 134     return egLoadIcon(BaseDir, FileName, PixelSize);
 135 }
 136
 137 static EG_PIXEL BlackPixel  = { 0x00, 0x00, 0x00, 0 };
 138 //static EG_PIXEL YellowPixel = { 0x00, 0xff, 0xff, 0 };
 139
 140 EG_IMAGE * DummyImage(IN UINTN PixelSize)
 141 {
 142     EG_IMAGE        *Image;
 143     UINTN           x, y, LineOffset;
 144     CHAR8           *Ptr, *YPtr;
 145
 146     Image = egCreateFilledImage(PixelSize, PixelSize, TRUE, &BlackPixel);
 147
 148     LineOffset = PixelSize * 4;
 149
 150     YPtr = (CHAR8 *)Image->PixelData + ((PixelSize - 32) >> 1) * (LineOffset + 4);
 151     for (y = 0; y < 32; y++) {
 152         Ptr = YPtr;
 153         for (x = 0; x < 32; x++) {
 154             if (((x + y) % 12) < 6) {
 155                 *Ptr++ = 0;
 156                 *Ptr++ = 0;
 157                 *Ptr++ = 0;
 158             } else {
 159                 *Ptr++ = 0;
 160                 *Ptr++ = 255;
 161                 *Ptr++ = 255;
 162             }
 163             *Ptr++ = 144;
 164         }
 165         YPtr += LineOffset;
 166     }
 167
 168     return Image;
 169 }
 170
 171 EG_IMAGE * LoadIcnsFallback(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN UINTN PixelSize)
 172 {
 173     EG_IMAGE *Image;
 174     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
 175         return NULL;
 176
 177     Image = LoadIcns(BaseDir, FileName, PixelSize);
 178     if (Image == NULL) {
 179         Image = DummyImage(PixelSize);
 180     }
 181     return Image;
 182 }