dlls/windowscodecs/main.c

   1 /*
   2  * Copyright 2009 Vincent Povirk for CodeWeavers
   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
  20 #define COBJMACROS
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winternl.h"
  27 #include "objbase.h"
  28
  29 #include "wincodecs_private.h"
  30
  31 #include "wine/debug.h"
  32
  33 extern BOOL WINAPI WIC_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
  34
  35 HMODULE windowscodecs_module = 0;
  36
  37 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  38 {
  39
  40     switch (fdwReason)
  41     {
  42         case DLL_PROCESS_ATTACH:
  43             DisableThreadLibraryCalls(hinstDLL);
  44             windowscodecs_module = hinstDLL;
  45             break;
  46         case DLL_PROCESS_DETACH:
  47             ReleaseComponentInfos();
  48             break;
  49     }
  50
  51     return WIC_DllMain(hinstDLL, fdwReason, lpvReserved);
  52 }
  53
  54 HRESULT get_pixelformat_bpp(const GUID *pixelformat, UINT *bpp)
  55 {
  56     HRESULT hr;
  57     IWICComponentInfo *info;
  58     IWICPixelFormatInfo *formatinfo;
  59
  60     hr = CreateComponentInfo(pixelformat, &info);
  61     if (SUCCEEDED(hr))
  62     {
  63         hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo, (void**)&formatinfo);
  64
  65         if (SUCCEEDED(hr))
  66         {
  67             hr = IWICPixelFormatInfo_GetBitsPerPixel(formatinfo, bpp);
  68
  69             IWICPixelFormatInfo_Release(formatinfo);
  70         }
  71
  72         IWICComponentInfo_Release(info);
  73     }
  74
  75     return hr;
  76 }
  77
  78 HRESULT TiffDecoder_CreateInstance(REFIID iid, void** ppv)
  79 {
  80     HRESULT hr;
  81     struct decoder *decoder;
  82     struct decoder_info decoder_info;
  83
  84     hr = tiff_decoder_create(&decoder_info, &decoder);
  85
  86     if (SUCCEEDED(hr))
  87         hr = CommonDecoder_CreateInstance(decoder, &decoder_info, iid, ppv);
  88
  89     return hr;
  90 }
  91
  92 HRESULT TiffEncoder_CreateInstance(REFIID iid, void** ppv)
  93 {
  94     HRESULT hr;
  95     struct encoder *encoder;
  96     struct encoder_info encoder_info;
  97
  98     hr = tiff_encoder_create(&encoder_info, &encoder);
  99
 100     if (SUCCEEDED(hr))
 101         hr = CommonEncoder_CreateInstance(encoder, &encoder_info, iid, ppv);
 102
 103     return hr;
 104 }
 105
 106 HRESULT JpegDecoder_CreateInstance(REFIID iid, void** ppv)
 107 {
 108     HRESULT hr;
 109     struct decoder *decoder;
 110     struct decoder_info decoder_info;
 111
 112     hr = jpeg_decoder_create(&decoder_info, &decoder);
 113
 114     if (SUCCEEDED(hr))
 115         hr = CommonDecoder_CreateInstance(decoder, &decoder_info, iid, ppv);
 116
 117     return hr;
 118 }
 119
 120 HRESULT JpegEncoder_CreateInstance(REFIID iid, void** ppv)
 121 {
 122     HRESULT hr;
 123     struct encoder *encoder;
 124     struct encoder_info encoder_info;
 125
 126     hr = jpeg_encoder_create(&encoder_info, &encoder);
 127
 128     if (SUCCEEDED(hr))
 129         hr = CommonEncoder_CreateInstance(encoder, &encoder_info, iid, ppv);
 130
 131     return hr;
 132 }