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       IconSize;
  51 } BUILTIN_ICON;
  52
  53 BUILTIN_ICON BuiltinIconTable[BUILTIN_ICON_COUNT] = {
  54    { NULL, L"func_about", ICON_SIZE_SMALL },
  55    { NULL, L"func_reset", ICON_SIZE_SMALL },
  56    { NULL, L"func_shutdown", ICON_SIZE_SMALL },
  57    { NULL, L"func_exit", ICON_SIZE_SMALL },
  58    { NULL, L"func_firmware", ICON_SIZE_SMALL },
  59    { NULL, L"tool_shell", ICON_SIZE_SMALL },
  60    { NULL, L"tool_part", ICON_SIZE_SMALL },
  61    { NULL, L"tool_rescue", ICON_SIZE_SMALL },
  62    { NULL, L"tool_apple_rescue", ICON_SIZE_SMALL },
  63    { NULL, L"tool_windows_rescue", ICON_SIZE_SMALL },
  64    { NULL, L"tool_mok_tool", ICON_SIZE_SMALL },
  65    { NULL, L"tool_memtest", ICON_SIZE_SMALL },
  66    { NULL, L"vol_internal", ICON_SIZE_BADGE },
  67    { NULL, L"vol_external", ICON_SIZE_BADGE },
  68    { NULL, L"vol_optical", ICON_SIZE_BADGE },
  69 };
  70
  71 EG_IMAGE * BuiltinIcon(IN UINTN Id)
  72 {
  73     if (Id >= BUILTIN_ICON_COUNT)
  74         return NULL;
  75
  76     if (BuiltinIconTable[Id].Image == NULL) {
  77        BuiltinIconTable[Id].Image = egFindIcon(BuiltinIconTable[Id].FileName, GlobalConfig.IconSizes[BuiltinIconTable[Id].IconSize]);
  78        if (BuiltinIconTable[Id].Image == NULL)
  79           BuiltinIconTable[Id].Image = DummyImage(GlobalConfig.IconSizes[BuiltinIconTable[Id].IconSize]);
  80     } // if
  81
  82     return BuiltinIconTable[Id].Image;
  83 }
  84
  85 //
  86 // Load an icon for an operating system
  87 //
  88
  89 // Load an OS icon from among the comma-delimited list provided in OSIconName.
  90 // Searches for icons with extensions in the ICON_EXTENSIONS list (via
  91 // egFindIcon()).
  92 // Returns image data. On failure, returns an ugly "dummy" icon.
  93 EG_IMAGE * LoadOSIcon(IN CHAR16 *OSIconName OPTIONAL, IN CHAR16 *FallbackIconName, BOOLEAN BootLogo)
  94 {
  95     EG_IMAGE        *Image = NULL;
  96     CHAR16          *CutoutName, BaseName[256];
  97     UINTN           Index = 0;
  98
  99     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
 100         return NULL;
 101
 102     // First, try to find an icon from the OSIconName list....
 103     while (((CutoutName = FindCommaDelimited(OSIconName, Index++)) != NULL) && (Image == NULL)) {
 104        SPrint(BaseName, 255, L"%s_%s", BootLogo ? L"boot" : L"os", CutoutName);
 105        Image = egFindIcon(BaseName, GlobalConfig.IconSizes[ICON_SIZE_BIG]);
 106     }
 107
 108     // If that fails, try again using the FallbackIconName....
 109     if (Image == NULL) {
 110        SPrint(BaseName, 255, L"%s_%s", BootLogo ? L"boot" : L"os", FallbackIconName);
 111        Image = egFindIcon(BaseName, GlobalConfig.IconSizes[ICON_SIZE_BIG]);
 112     }
 113
 114     // If that fails and if BootLogo was set, try again using the "os_" start of the name....
 115     if (BootLogo && (Image == NULL)) {
 116        SPrint(BaseName, 255, L"os_%s", FallbackIconName);
 117        Image = egFindIcon(BaseName, GlobalConfig.IconSizes[ICON_SIZE_BIG]);
 118     }
 119
 120     // If all of these fail, return the dummy image....
 121     if (Image == NULL)
 122        Image = DummyImage(GlobalConfig.IconSizes[ICON_SIZE_BIG]);
 123
 124     return Image;
 125 } /* EG_IMAGE * LoadOSIcon() */
 126
 127
 128 static EG_PIXEL BlackPixel  = { 0x00, 0x00, 0x00, 0 };
 129 //static EG_PIXEL YellowPixel = { 0x00, 0xff, 0xff, 0 };
 130
 131 EG_IMAGE * DummyImage(IN UINTN PixelSize)
 132 {
 133     EG_IMAGE        *Image;
 134     UINTN           x, y, LineOffset;
 135     CHAR8           *Ptr, *YPtr;
 136
 137     Image = egCreateFilledImage(PixelSize, PixelSize, TRUE, &BlackPixel);
 138
 139     LineOffset = PixelSize * 4;
 140
 141     YPtr = (CHAR8 *)Image->PixelData + ((PixelSize - 32) >> 1) * (LineOffset + 4);
 142     for (y = 0; y < 32; y++) {
 143         Ptr = YPtr;
 144         for (x = 0; x < 32; x++) {
 145             if (((x + y) % 12) < 6) {
 146                 *Ptr++ = 0;
 147                 *Ptr++ = 0;
 148                 *Ptr++ = 0;
 149             } else {
 150                 *Ptr++ = 0;
 151                 *Ptr++ = 255;
 152                 *Ptr++ = 255;
 153             }
 154             *Ptr++ = 144;
 155         }
 156         YPtr += LineOffset;
 157     }
 158
 159     return Image;
 160 }