dlls/gdiplus/gdiplus.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "winerror.h"
  24 #include "wine/debug.h"
  25 #include "gdiplus.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  28
  29 /*****************************************************
  30  *      DllMain
  31  */
  32 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved)
  33 {
  34     TRACE("(%p, %d, %p)\n", hinst, reason, reserved);
  35
  36     switch(reason)
  37     {
  38     case DLL_WINE_PREATTACH:
  39         return FALSE;  /* prefer native version */
  40
  41     case DLL_PROCESS_ATTACH:
  42         DisableThreadLibraryCalls( hinst );
  43         break;
  44     }
  45     return TRUE;
  46 }
  47
  48 /*****************************************************
  49  *      GdiplusStartup [GDIPLUS.@]
  50  */
  51 Status WINAPI GdiplusStartup(ULONG_PTR *token, const struct GdiplusStartupInput *input,
  52                              struct GdiplusStartupOutput *output)
  53 {
  54     if(!token)
  55         return InvalidParameter;
  56
  57     if(input->GdiplusVersion != 1) {
  58         return UnsupportedGdiplusVersion;
  59     } else if ((input->DebugEventCallback) ||
  60         (input->SuppressBackgroundThread) || (input->SuppressExternalCodecs)){
  61         FIXME("Unimplemented for non-default GdiplusStartupInput\n");
  62         return NotImplemented;
  63     } else if(output) {
  64         FIXME("Unimplemented for non-null GdiplusStartupOutput\n");
  65         return NotImplemented;
  66     }
  67
  68     return Ok;
  69 }
  70
  71 /*****************************************************
  72  *      GdiplusShutdown [GDIPLUS.@]
  73  */
  74 void WINAPI GdiplusShutdown(ULONG_PTR token)
  75 {
  76     /* FIXME: no object tracking */
  77 }
  78
  79 /*****************************************************
  80  *      GdipAlloc [GDIPLUS.@]
  81  */
  82 void* WINGDIPAPI GdipAlloc(SIZE_T size)
  83 {
  84     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
  85 }
  86
  87 /*****************************************************
  88  *      GdipFree [GDIPLUS.@]
  89  */
  90 void WINGDIPAPI GdipFree(void* ptr)
  91 {
  92     HeapFree(GetProcessHeap(), 0, ptr);
  93 }
  94
  95 COLORREF ARGB2COLORREF(ARGB color)
  96 {
  97     /*
  98     Packing of these color structures:
  99     COLORREF:   00bbggrr
 100     ARGB:       aarrggbb
 101     FIXME:doesn't handle alpha channel
 102     */
 103     return (COLORREF)
 104         ((color & 0x0000ff) << 16) +
 105          (color & 0x00ff00) +
 106         ((color & 0xff0000) >> 16);
 107 }