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windowscodecs: Implement JpegEncoder_Frame_SetPixelFormat.

This commit is contained in:
Vincent Povirk 2012-04-11 15:50:30 -05:00 committed by Alexandre Julliard
parent efba6cd03b
commit 68d9ea4d83
1 changed files with 43 additions and 2 deletions
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45
dlls/windowscodecs/jpegformat.c
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@ -701,6 +701,21 @@ HRESULT JpegDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
return ret;
}
typedef struct jpeg_compress_format {
const WICPixelFormatGUID *guid;
int bpp;
int num_components;
J_COLOR_SPACE color_space;
int swap_rgb;
} jpeg_compress_format;
static const jpeg_compress_format compress_formats[] = {
{ &GUID_WICPixelFormat24bppBGR, 24, 3, JCS_RGB, 1 },
{ &GUID_WICPixelFormat32bppCMYK, 32, 4, JCS_CMYK },
{ &GUID_WICPixelFormat8bppGray, 8, 1, JCS_GRAYSCALE },
{ 0 }
};
typedef struct JpegEncoder {
IWICBitmapEncoder IWICBitmapEncoder_iface;
IWICBitmapFrameEncode IWICBitmapFrameEncode_iface;
@ -713,6 +728,7 @@ typedef struct JpegEncoder {
int frame_initialized;
int started_compress;
UINT width, height;
const jpeg_compress_format *format;
IStream *stream;
CRITICAL_SECTION lock;
BYTE dest_buffer[1024];
@ -865,8 +881,32 @@ static HRESULT WINAPI JpegEncoder_Frame_SetResolution(IWICBitmapFrameEncode *ifa
static HRESULT WINAPI JpegEncoder_Frame_SetPixelFormat(IWICBitmapFrameEncode *iface,
WICPixelFormatGUID *pPixelFormat)
{
FIXME("(%p,%s): stub\n", iface, debugstr_guid(pPixelFormat));
return E_NOTIMPL;
JpegEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
int i;
TRACE("(%p,%s)\n", iface, debugstr_guid(pPixelFormat));
EnterCriticalSection(&This->lock);
if (!This->frame_initialized || This->started_compress)
{
LeaveCriticalSection(&This->lock);
return WINCODEC_ERR_WRONGSTATE;
}
for (i=0; compress_formats[i].guid; i++)
{
if (memcmp(compress_formats[i].guid, pPixelFormat, sizeof(GUID)) == 0)
break;
}
if (!compress_formats[i].guid) i = 0;
This->format = &compress_formats[i];
memcpy(pPixelFormat, This->format->guid, sizeof(GUID));
LeaveCriticalSection(&This->lock);
return S_OK;
}
static HRESULT WINAPI JpegEncoder_Frame_SetColorContexts(IWICBitmapFrameEncode *iface,
@ -1173,6 +1213,7 @@ HRESULT JpegEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->frame_initialized = 0;
This->started_compress = 0;
This->width = This->height = 0;
This->format = NULL;
This->stream = NULL;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JpegEncoder.lock");