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", 48 },
  55    { NULL, L"func_reset", 48 },
  56    { NULL, L"func_shutdown", 48 },
  57    { NULL, L"func_exit", 48 },
  58    { NULL, L"tool_shell", 48 },
  59    { NULL, L"tool_part", 48 },
  60    { NULL, L"tool_rescue", 48 },
  61    { NULL, L"tool_apple_rescue", 48 },
  62    { NULL, L"tool_mok_tool", 48 },
  63    { NULL, L"vol_internal", 32 },
  64    { NULL, L"vol_external", 32 },
  65    { NULL, L"vol_optical", 32 },
  66 };
  67
  68 EG_IMAGE * BuiltinIcon(IN UINTN Id)
  69 {
  70     if (Id >= BUILTIN_ICON_COUNT)
  71         return NULL;
  72
  73     if (BuiltinIconTable[Id].Image == NULL) {
  74        BuiltinIconTable[Id].Image = egFindIcon(BuiltinIconTable[Id].FileName, BuiltinIconTable[Id].PixelSize);
  75        if (BuiltinIconTable[Id].Image == NULL)
  76           BuiltinIconTable[Id].Image = DummyImage(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 // Searches for icons with extensions in the ICON_EXTENSIONS list (via
  88 // egFindIcon()).
  89 // Returns image data. On failure, returns an ugly "dummy" icon.
  90 EG_IMAGE * LoadOSIcon(IN CHAR16 *OSIconName OPTIONAL, IN CHAR16 *FallbackIconName, BOOLEAN BootLogo)
  91 {
  92     EG_IMAGE        *Image = NULL;
  93     CHAR16          *CutoutName, BaseName[256];
  94     UINTN           Index = 0;
  95
  96     if (GlobalConfig.TextOnly)      // skip loading if it's not used anyway
  97         return NULL;
  98
  99     // First, try to find an icon from the OSIconName list....
 100     while (((CutoutName = FindCommaDelimited(OSIconName, Index++)) != NULL) && (Image == NULL)) {
 101        SPrint(BaseName, 255, L"%s_%s", BootLogo ? L"boot" : L"os", CutoutName);
 102        Image = egFindIcon(BaseName, 128);
 103     }
 104
 105     // If that fails, try again using the FallbackIconName....
 106     if (Image == NULL) {
 107        SPrint(BaseName, 255, L"%s_%s", BootLogo ? L"boot" : L"os", FallbackIconName);
 108        Image = egFindIcon(BaseName, 128);
 109     }
 110
 111     // If that fails and if BootLogo was set, try again using the "os_" start of the name....
 112     if (BootLogo && (Image == NULL)) {
 113        SPrint(BaseName, 255, L"os_%s", FallbackIconName);
 114        Image = egFindIcon(BaseName, 128);
 115     }
 116
 117     // If all of these fail, return the dummy image....
 118     if (Image == NULL)
 119        Image = DummyImage(128);
 120
 121     return Image;
 122 } /* EG_IMAGE * LoadOSIcon() */
 123
 124
 125 static EG_PIXEL BlackPixel  = { 0x00, 0x00, 0x00, 0 };
 126 //static EG_PIXEL YellowPixel = { 0x00, 0xff, 0xff, 0 };
 127
 128 EG_IMAGE * DummyImage(IN UINTN PixelSize)
 129 {
 130     EG_IMAGE        *Image;
 131     UINTN           x, y, LineOffset;
 132     CHAR8           *Ptr, *YPtr;
 133
 134     Image = egCreateFilledImage(PixelSize, PixelSize, TRUE, &BlackPixel);
 135
 136     LineOffset = PixelSize * 4;
 137
 138     YPtr = (CHAR8 *)Image->PixelData + ((PixelSize - 32) >> 1) * (LineOffset + 4);
 139     for (y = 0; y < 32; y++) {
 140         Ptr = YPtr;
 141         for (x = 0; x < 32; x++) {
 142             if (((x + y) % 12) < 6) {
 143                 *Ptr++ = 0;
 144                 *Ptr++ = 0;
 145                 *Ptr++ = 0;
 146             } else {
 147                 *Ptr++ = 0;
 148                 *Ptr++ = 255;
 149                 *Ptr++ = 255;
 150             }
 151             *Ptr++ = 144;
 152         }
 153         YPtr += LineOffset;
 154     }
 155
 156     return Image;
 157 }