windowscodecs: Implement IWICBitmapFrameEncode::SetPalette in JPEG encoder,
Vincent Povirk
vincent at codeweavers.com
Mon Sep 11 11:40:27 CDT 2017
From: Dmitry Timoshkov <dmitry at baikal.ru>
Signed-off-by: Vincent Povirk <vincent at codeweavers.com>
---
dlls/windowscodecs/jpegformat.c | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/dlls/windowscodecs/jpegformat.c b/dlls/windowscodecs/jpegformat.c
index 014620f..69d1187 100644
--- a/dlls/windowscodecs/jpegformat.c
+++ b/dlls/windowscodecs/jpegformat.c
@@ -868,6 +868,8 @@ typedef struct JpegEncoder {
double xres, yres;
const jpeg_compress_format *format;
IStream *stream;
+ WICColor palette[256];
+ UINT colors;
CRITICAL_SECTION lock;
BYTE dest_buffer[1024];
} JpegEncoder;
@@ -1070,10 +1072,24 @@ static HRESULT WINAPI JpegEncoder_Frame_SetColorContexts(IWICBitmapFrameEncode *
}
static HRESULT WINAPI JpegEncoder_Frame_SetPalette(IWICBitmapFrameEncode *iface,
- IWICPalette *pIPalette)
+ IWICPalette *palette)
{
- FIXME("(%p,%p): stub\n", iface, pIPalette);
- return WINCODEC_ERR_UNSUPPORTEDOPERATION;
+ JpegEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
+ HRESULT hr;
+
+ TRACE("(%p,%p)\n", iface, palette);
+
+ if (!palette) return E_INVALIDARG;
+
+ EnterCriticalSection(&This->lock);
+
+ if (This->frame_initialized)
+ hr = IWICPalette_GetColors(palette, 256, This->palette, &This->colors);
+ else
+ hr = WINCODEC_ERR_NOTINITIALIZED;
+
+ LeaveCriticalSection(&This->lock);
+ return hr;
}
static HRESULT WINAPI JpegEncoder_Frame_SetThumbnail(IWICBitmapFrameEncode *iface,
@@ -1543,6 +1559,7 @@ HRESULT JpegEncoder_CreateInstance(REFIID iid, void** ppv)
This->xres = This->yres = 0.0;
This->format = NULL;
This->stream = NULL;
+ This->colors = 0;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JpegEncoder.lock");
--
2.7.4
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