| /* |
| * Copyright 2009 Vincent Povirk for CodeWeavers |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdarg.h> |
| |
| #define COBJMACROS |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wingdi.h" |
| #include "objbase.h" |
| #include "wincodec.h" |
| |
| #include "wincodecs_private.h" |
| |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(wincodecs); |
| |
| #include "pshpack1.h" |
| |
| typedef struct { |
| BYTE bWidth; |
| BYTE bHeight; |
| BYTE bColorCount; |
| BYTE bReserved; |
| WORD wPlanes; |
| WORD wBitCount; |
| DWORD dwDIBSize; |
| DWORD dwDIBOffset; |
| } ICONDIRENTRY; |
| |
| typedef struct |
| { |
| WORD idReserved; |
| WORD idType; |
| WORD idCount; |
| } ICONHEADER; |
| |
| #include "poppack.h" |
| |
| typedef struct { |
| const IWICBitmapDecoderVtbl *lpVtbl; |
| LONG ref; |
| BOOL initialized; |
| IStream *stream; |
| ICONHEADER header; |
| } IcoDecoder; |
| |
| typedef struct { |
| const IWICBitmapFrameDecodeVtbl *lpVtbl; |
| LONG ref; |
| ICONDIRENTRY entry; |
| IcoDecoder *parent; |
| BYTE *bits; |
| } IcoFrameDecode; |
| |
| static HRESULT WINAPI IcoFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid, |
| void **ppv) |
| { |
| IcoFrameDecode *This = (IcoFrameDecode*)iface; |
| TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv); |
| |
| if (!ppv) return E_INVALIDARG; |
| |
| if (IsEqualIID(&IID_IUnknown, iid) || |
| IsEqualIID(&IID_IWICBitmapSource, iid) || |
| IsEqualIID(&IID_IWICBitmapFrameDecode, iid)) |
| { |
| *ppv = This; |
| } |
| else |
| { |
| *ppv = NULL; |
| return E_NOINTERFACE; |
| } |
| |
| IUnknown_AddRef((IUnknown*)*ppv); |
| return S_OK; |
| } |
| |
| static ULONG WINAPI IcoFrameDecode_AddRef(IWICBitmapFrameDecode *iface) |
| { |
| IcoFrameDecode *This = (IcoFrameDecode*)iface; |
| ULONG ref = InterlockedIncrement(&This->ref); |
| |
| TRACE("(%p) refcount=%u\n", iface, ref); |
| |
| return ref; |
| } |
| |
| static ULONG WINAPI IcoFrameDecode_Release(IWICBitmapFrameDecode *iface) |
| { |
| IcoFrameDecode *This = (IcoFrameDecode*)iface; |
| ULONG ref = InterlockedDecrement(&This->ref); |
| |
| TRACE("(%p) refcount=%u\n", iface, ref); |
| |
| if (ref == 0) |
| { |
| IUnknown_Release((IUnknown*)This->parent); |
| HeapFree(GetProcessHeap(), 0, This->bits); |
| HeapFree(GetProcessHeap(), 0, This); |
| } |
| |
| return ref; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetSize(IWICBitmapFrameDecode *iface, |
| UINT *puiWidth, UINT *puiHeight) |
| { |
| IcoFrameDecode *This = (IcoFrameDecode*)iface; |
| |
| *puiWidth = This->entry.bWidth ? This->entry.bWidth : 256; |
| *puiHeight = This->entry.bHeight ? This->entry.bHeight : 256; |
| |
| TRACE("(%p) -> (%i,%i)\n", iface, *puiWidth, *puiHeight); |
| |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface, |
| WICPixelFormatGUID *pPixelFormat) |
| { |
| memcpy(pPixelFormat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID)); |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetResolution(IWICBitmapFrameDecode *iface, |
| double *pDpiX, double *pDpiY) |
| { |
| FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY); |
| return E_NOTIMPL; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface, |
| IWICPalette *pIPalette) |
| { |
| TRACE("(%p,%p)\n", iface, pIPalette); |
| return WINCODEC_ERR_PALETTEUNAVAILABLE; |
| } |
| |
| static inline void pixel_set_trans(DWORD* pixel, BOOL transparent) |
| { |
| if (transparent) *pixel = 0; |
| else *pixel |= 0xff000000; |
| } |
| |
| static HRESULT IcoFrameDecode_ReadPixels(IcoFrameDecode *This) |
| { |
| BITMAPINFOHEADER bih; |
| DWORD colors[256]; |
| UINT colorcount=0; |
| LARGE_INTEGER seek; |
| ULONG bytesread; |
| HRESULT hr; |
| BYTE *tempdata = NULL; |
| BYTE *bits = NULL; |
| UINT bitsStride; |
| UINT bitsSize; |
| UINT width, height; |
| |
| width = This->entry.bWidth ? This->entry.bWidth : 256; |
| height = This->entry.bHeight ? This->entry.bHeight : 256; |
| |
| /* read the BITMAPINFOHEADER */ |
| seek.QuadPart = This->entry.dwDIBOffset; |
| hr = IStream_Seek(This->parent->stream, seek, STREAM_SEEK_SET, NULL); |
| if (FAILED(hr)) goto fail; |
| |
| hr = IStream_Read(This->parent->stream, &bih, sizeof(BITMAPINFOHEADER), &bytesread); |
| if (FAILED(hr) || bytesread != sizeof(BITMAPINFOHEADER)) goto fail; |
| |
| if (This->entry.wBitCount <= 8) |
| { |
| /* read the palette */ |
| colorcount = This->entry.bColorCount ? This->entry.bColorCount : 256; |
| |
| hr = IStream_Read(This->parent->stream, colors, sizeof(RGBQUAD)*colorcount, &bytesread); |
| if (FAILED(hr) || bytesread != sizeof(RGBQUAD)*colorcount) goto fail; |
| } |
| |
| bitsStride = width * 4; |
| bitsSize = bitsStride * height; |
| |
| /* read the XOR data */ |
| switch (This->entry.wBitCount) |
| { |
| case 1: |
| { |
| UINT xorBytesPerRow = (width+31)/32*4; |
| UINT xorBytes = xorBytesPerRow * height; |
| INT xorStride; |
| BYTE *xorRow; |
| BYTE *bitsRow; |
| UINT x, y; |
| |
| tempdata = HeapAlloc(GetProcessHeap(), 0, xorBytes); |
| if (!tempdata) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| hr = IStream_Read(This->parent->stream, tempdata, xorBytes, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytes) goto fail; |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| xorStride = -xorBytesPerRow; |
| xorRow = tempdata + (height-1)*xorBytesPerRow; |
| } |
| else /* top-down DIB */ |
| { |
| xorStride = xorBytesPerRow; |
| xorRow = tempdata; |
| } |
| |
| bits = HeapAlloc(GetProcessHeap(), 0, bitsSize); |
| |
| /* palette-map the 1-bit data */ |
| bitsRow = bits; |
| for (y=0; y<height; y++) { |
| BYTE *xorByte=xorRow; |
| DWORD *bitsPixel=(DWORD*)bitsRow; |
| for (x=0; x<width; x+=8) { |
| BYTE xorVal; |
| xorVal=*xorByte++; |
| *bitsPixel++ = colors[xorVal>>7]; |
| if (x+1 < width) *bitsPixel++ = colors[xorVal>>6&1]; |
| if (x+2 < width) *bitsPixel++ = colors[xorVal>>5&1]; |
| if (x+3 < width) *bitsPixel++ = colors[xorVal>>4&1]; |
| if (x+4 < width) *bitsPixel++ = colors[xorVal>>3&1]; |
| if (x+5 < width) *bitsPixel++ = colors[xorVal>>2&1]; |
| if (x+6 < width) *bitsPixel++ = colors[xorVal>>1&1]; |
| if (x+7 < width) *bitsPixel++ = colors[xorVal&1]; |
| } |
| xorRow += xorStride; |
| bitsRow += bitsStride; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| break; |
| } |
| case 4: |
| { |
| UINT xorBytesPerRow = (width+7)/8*4; |
| UINT xorBytes = xorBytesPerRow * height; |
| INT xorStride; |
| BYTE *xorRow; |
| BYTE *bitsRow; |
| UINT x, y; |
| |
| tempdata = HeapAlloc(GetProcessHeap(), 0, xorBytes); |
| if (!tempdata) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| hr = IStream_Read(This->parent->stream, tempdata, xorBytes, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytes) goto fail; |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| xorStride = -xorBytesPerRow; |
| xorRow = tempdata + (height-1)*xorBytesPerRow; |
| } |
| else /* top-down DIB */ |
| { |
| xorStride = xorBytesPerRow; |
| xorRow = tempdata; |
| } |
| |
| bits = HeapAlloc(GetProcessHeap(), 0, bitsSize); |
| |
| /* palette-map the 4-bit data */ |
| bitsRow = bits; |
| for (y=0; y<height; y++) { |
| BYTE *xorByte=xorRow; |
| DWORD *bitsPixel=(DWORD*)bitsRow; |
| for (x=0; x<width; x+=2) { |
| BYTE xorVal; |
| xorVal=*xorByte++; |
| *bitsPixel++ = colors[xorVal>>4]; |
| if (x+1 < width) *bitsPixel++ = colors[xorVal&0xf]; |
| } |
| xorRow += xorStride; |
| bitsRow += bitsStride; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| break; |
| } |
| case 8: |
| { |
| UINT xorBytesPerRow = (width+3)/4*4; |
| UINT xorBytes = xorBytesPerRow * height; |
| INT xorStride; |
| BYTE *xorRow; |
| BYTE *bitsRow; |
| UINT x, y; |
| |
| tempdata = HeapAlloc(GetProcessHeap(), 0, xorBytes); |
| if (!tempdata) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| hr = IStream_Read(This->parent->stream, tempdata, xorBytes, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytes) goto fail; |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| xorStride = -xorBytesPerRow; |
| xorRow = tempdata + (height-1)*xorBytesPerRow; |
| } |
| else /* top-down DIB */ |
| { |
| xorStride = xorBytesPerRow; |
| xorRow = tempdata; |
| } |
| |
| bits = HeapAlloc(GetProcessHeap(), 0, bitsSize); |
| |
| /* palette-map the 8-bit data */ |
| bitsRow = bits; |
| for (y=0; y<height; y++) { |
| BYTE *xorByte=xorRow; |
| DWORD *bitsPixel=(DWORD*)bitsRow; |
| for (x=0; x<width; x++) |
| *bitsPixel++ = colors[*xorByte++]; |
| xorRow += xorStride; |
| bitsRow += bitsStride; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| break; |
| } |
| case 24: |
| { |
| UINT xorBytesPerRow = (width*3+3)/4*4; |
| UINT xorBytes = xorBytesPerRow * height; |
| INT xorStride; |
| BYTE *xorRow; |
| BYTE *bitsRow; |
| UINT x, y; |
| |
| tempdata = HeapAlloc(GetProcessHeap(), 0, xorBytes); |
| if (!tempdata) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| hr = IStream_Read(This->parent->stream, tempdata, xorBytes, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytes) goto fail; |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| xorStride = -xorBytesPerRow; |
| xorRow = tempdata + (height-1)*xorBytesPerRow; |
| } |
| else /* top-down DIB */ |
| { |
| xorStride = xorBytesPerRow; |
| xorRow = tempdata; |
| } |
| |
| bits = HeapAlloc(GetProcessHeap(), 0, bitsSize); |
| |
| /* copy BGR->BGRA */ |
| bitsRow = bits; |
| for (y=0; y<height; y++) { |
| BYTE *xorByte=xorRow; |
| BYTE *bitsByte=bitsRow; |
| for (x=0; x<width; x++) |
| { |
| *bitsByte++ = *xorByte++; /* blue */ |
| *bitsByte++ = *xorByte++; /* green */ |
| *bitsByte++ = *xorByte++; /* red */ |
| bitsByte++; /* alpha */ |
| } |
| xorRow += xorStride; |
| bitsRow += bitsStride; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| break; |
| } |
| case 32: |
| { |
| UINT xorBytesPerRow = width*4; |
| UINT xorBytes = xorBytesPerRow * height; |
| |
| bits = HeapAlloc(GetProcessHeap(), 0, xorBytes); |
| if (!bits) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| /* read the rows backwards so we get a top-down DIB */ |
| UINT i; |
| BYTE *xorRow = bits + xorBytesPerRow * (height-1); |
| |
| for (i=0; i<height; i++) |
| { |
| hr = IStream_Read(This->parent->stream, xorRow, xorBytesPerRow, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytesPerRow) goto fail; |
| xorRow -= xorBytesPerRow; |
| } |
| } |
| else /* top-down DIB */ |
| { |
| hr = IStream_Read(This->parent->stream, bits, xorBytes, &bytesread); |
| if (FAILED(hr) || bytesread != xorBytes) goto fail; |
| } |
| break; |
| } |
| default: |
| FIXME("unsupported bitcount: %u\n", This->entry.wBitCount); |
| goto fail; |
| } |
| |
| if (This->entry.wBitCount < 32) |
| { |
| /* set alpha data based on the AND mask */ |
| UINT andBytesPerRow = (width+31)/32*4; |
| UINT andBytes = andBytesPerRow * height; |
| INT andStride; |
| BYTE *andRow; |
| BYTE *bitsRow; |
| UINT x, y; |
| |
| tempdata = HeapAlloc(GetProcessHeap(), 0, andBytes); |
| if (!tempdata) |
| { |
| hr = E_OUTOFMEMORY; |
| goto fail; |
| } |
| |
| hr = IStream_Read(This->parent->stream, tempdata, andBytes, &bytesread); |
| if (FAILED(hr) || bytesread != andBytes) goto fail; |
| |
| if (bih.biHeight > 0) /* bottom-up DIB */ |
| { |
| andStride = -andBytesPerRow; |
| andRow = tempdata + (height-1)*andBytesPerRow; |
| } |
| else /* top-down DIB */ |
| { |
| andStride = andBytesPerRow; |
| andRow = tempdata; |
| } |
| |
| bitsRow = bits; |
| for (y=0; y<height; y++) { |
| BYTE *andByte=andRow; |
| DWORD *bitsPixel=(DWORD*)bitsRow; |
| for (x=0; x<width; x+=8) { |
| BYTE andVal=*andByte++; |
| pixel_set_trans(bitsPixel++, andVal>>7&1); |
| if (x+1 < width) pixel_set_trans(bitsPixel++, andVal>>6&1); |
| if (x+2 < width) pixel_set_trans(bitsPixel++, andVal>>5&1); |
| if (x+3 < width) pixel_set_trans(bitsPixel++, andVal>>4&1); |
| if (x+4 < width) pixel_set_trans(bitsPixel++, andVal>>3&1); |
| if (x+5 < width) pixel_set_trans(bitsPixel++, andVal>>2&1); |
| if (x+6 < width) pixel_set_trans(bitsPixel++, andVal>>1&1); |
| if (x+7 < width) pixel_set_trans(bitsPixel++, andVal&1); |
| } |
| andRow += andStride; |
| bitsRow += bitsStride; |
| } |
| |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| } |
| |
| This->bits = bits; |
| |
| return S_OK; |
| |
| fail: |
| HeapFree(GetProcessHeap(), 0, tempdata); |
| HeapFree(GetProcessHeap(), 0, bits); |
| if (SUCCEEDED(hr)) hr = E_FAIL; |
| TRACE("<-- %x\n", hr); |
| return hr; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface, |
| const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer) |
| { |
| IcoFrameDecode *This = (IcoFrameDecode*)iface; |
| HRESULT hr; |
| UINT width, height, stride; |
| TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer); |
| |
| if (!This->bits) |
| { |
| hr = IcoFrameDecode_ReadPixels(This); |
| if (FAILED(hr)) return hr; |
| } |
| |
| width = This->entry.bWidth ? This->entry.bWidth : 256; |
| height = This->entry.bHeight ? This->entry.bHeight : 256; |
| stride = width * 4; |
| |
| return copy_pixels(32, This->bits, width, height, stride, |
| prc, cbStride, cbBufferSize, pbBuffer); |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface, |
| IWICMetadataQueryReader **ppIMetadataQueryReader) |
| { |
| TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader); |
| return WINCODEC_ERR_UNSUPPORTEDOPERATION; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface, |
| UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount) |
| { |
| TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount); |
| return WINCODEC_ERR_UNSUPPORTEDOPERATION; |
| } |
| |
| static HRESULT WINAPI IcoFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface, |
| IWICBitmapSource **ppIThumbnail) |
| { |
| TRACE("(%p,%p)\n", iface, ppIThumbnail); |
| return WINCODEC_ERR_CODECNOTHUMBNAIL; |
| } |
| |
| static const IWICBitmapFrameDecodeVtbl IcoFrameDecode_Vtbl = { |
| IcoFrameDecode_QueryInterface, |
| IcoFrameDecode_AddRef, |
| IcoFrameDecode_Release, |
| IcoFrameDecode_GetSize, |
| IcoFrameDecode_GetPixelFormat, |
| IcoFrameDecode_GetResolution, |
| IcoFrameDecode_CopyPalette, |
| IcoFrameDecode_CopyPixels, |
| IcoFrameDecode_GetMetadataQueryReader, |
| IcoFrameDecode_GetColorContexts, |
| IcoFrameDecode_GetThumbnail |
| }; |
| |
| static HRESULT WINAPI IcoDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid, |
| void **ppv) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv); |
| |
| if (!ppv) return E_INVALIDARG; |
| |
| if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICBitmapDecoder, iid)) |
| { |
| *ppv = This; |
| } |
| else |
| { |
| *ppv = NULL; |
| return E_NOINTERFACE; |
| } |
| |
| IUnknown_AddRef((IUnknown*)*ppv); |
| return S_OK; |
| } |
| |
| static ULONG WINAPI IcoDecoder_AddRef(IWICBitmapDecoder *iface) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| ULONG ref = InterlockedIncrement(&This->ref); |
| |
| TRACE("(%p) refcount=%u\n", iface, ref); |
| |
| return ref; |
| } |
| |
| static ULONG WINAPI IcoDecoder_Release(IWICBitmapDecoder *iface) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| ULONG ref = InterlockedDecrement(&This->ref); |
| |
| TRACE("(%p) refcount=%u\n", iface, ref); |
| |
| if (ref == 0) |
| { |
| if (This->stream) IStream_Release(This->stream); |
| HeapFree(GetProcessHeap(), 0, This); |
| } |
| |
| return ref; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream, |
| DWORD *pdwCapability) |
| { |
| FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability); |
| return E_NOTIMPL; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream, |
| WICDecodeOptions cacheOptions) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| LARGE_INTEGER seek; |
| HRESULT hr; |
| ULONG bytesread; |
| TRACE("(%p,%p,%x)\n", iface, pIStream, cacheOptions); |
| |
| if (This->initialized) return WINCODEC_ERR_WRONGSTATE; |
| |
| seek.QuadPart = 0; |
| hr = IStream_Seek(pIStream, seek, STREAM_SEEK_SET, NULL); |
| if (FAILED(hr)) return hr; |
| |
| hr = IStream_Read(pIStream, &This->header, sizeof(ICONHEADER), &bytesread); |
| if (FAILED(hr)) return hr; |
| if (bytesread != sizeof(ICONHEADER) || |
| This->header.idReserved != 0 || |
| This->header.idType != 1) return E_FAIL; |
| |
| This->initialized = TRUE; |
| This->stream = pIStream; |
| IStream_AddRef(pIStream); |
| |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetContainerFormat(IWICBitmapDecoder *iface, |
| GUID *pguidContainerFormat) |
| { |
| FIXME("(%p,%p): stub\n", iface, pguidContainerFormat); |
| return E_NOTIMPL; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetDecoderInfo(IWICBitmapDecoder *iface, |
| IWICBitmapDecoderInfo **ppIDecoderInfo) |
| { |
| FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo); |
| return E_NOTIMPL; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_CopyPalette(IWICBitmapDecoder *iface, |
| IWICPalette *pIPalette) |
| { |
| TRACE("(%p,%p)\n", iface, pIPalette); |
| return WINCODEC_ERR_PALETTEUNAVAILABLE; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface, |
| IWICMetadataQueryReader **ppIMetadataQueryReader) |
| { |
| TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader); |
| return WINCODEC_ERR_UNSUPPORTEDOPERATION; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetPreview(IWICBitmapDecoder *iface, |
| IWICBitmapSource **ppIBitmapSource) |
| { |
| TRACE("(%p,%p)\n", iface, ppIBitmapSource); |
| return WINCODEC_ERR_UNSUPPORTEDOPERATION; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetColorContexts(IWICBitmapDecoder *iface, |
| UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount) |
| { |
| TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount); |
| return WINCODEC_ERR_UNSUPPORTEDOPERATION; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetThumbnail(IWICBitmapDecoder *iface, |
| IWICBitmapSource **ppIThumbnail) |
| { |
| TRACE("(%p,%p)\n", iface, ppIThumbnail); |
| return WINCODEC_ERR_CODECNOTHUMBNAIL; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetFrameCount(IWICBitmapDecoder *iface, |
| UINT *pCount) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| TRACE("(%p,%p)\n", iface, pCount); |
| |
| if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED; |
| |
| *pCount = This->header.idCount; |
| TRACE("<-- %u\n", *pCount); |
| |
| return S_OK; |
| } |
| |
| static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface, |
| UINT index, IWICBitmapFrameDecode **ppIBitmapFrame) |
| { |
| IcoDecoder *This = (IcoDecoder*)iface; |
| IcoFrameDecode *result; |
| LARGE_INTEGER seek; |
| HRESULT hr; |
| ULONG bytesread; |
| TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame); |
| |
| if (!This->initialized) return WINCODEC_ERR_NOTINITIALIZED; |
| |
| if (This->header.idCount < index) return E_INVALIDARG; |
| |
| result = HeapAlloc(GetProcessHeap(), 0, sizeof(IcoFrameDecode)); |
| if (!result) return E_OUTOFMEMORY; |
| |
| result->lpVtbl = &IcoFrameDecode_Vtbl; |
| result->ref = 1; |
| result->parent = This; |
| result->bits = NULL; |
| |
| /* read the icon entry */ |
| seek.QuadPart = sizeof(ICONHEADER) + sizeof(ICONDIRENTRY) * index; |
| hr = IStream_Seek(This->stream, seek, STREAM_SEEK_SET, 0); |
| if (FAILED(hr)) goto fail; |
| |
| hr = IStream_Read(This->stream, &result->entry, sizeof(ICONDIRENTRY), &bytesread); |
| if (FAILED(hr) || bytesread != sizeof(ICONDIRENTRY)) goto fail; |
| |
| IWICBitmapDecoder_AddRef(iface); |
| |
| *ppIBitmapFrame = (IWICBitmapFrameDecode*)result; |
| |
| return S_OK; |
| |
| fail: |
| HeapFree(GetProcessHeap(), 0, result); |
| if (SUCCEEDED(hr)) hr = E_FAIL; |
| TRACE("<-- %x\n", hr); |
| return hr; |
| } |
| |
| static const IWICBitmapDecoderVtbl IcoDecoder_Vtbl = { |
| IcoDecoder_QueryInterface, |
| IcoDecoder_AddRef, |
| IcoDecoder_Release, |
| IcoDecoder_QueryCapability, |
| IcoDecoder_Initialize, |
| IcoDecoder_GetContainerFormat, |
| IcoDecoder_GetDecoderInfo, |
| IcoDecoder_CopyPalette, |
| IcoDecoder_GetMetadataQueryReader, |
| IcoDecoder_GetPreview, |
| IcoDecoder_GetColorContexts, |
| IcoDecoder_GetThumbnail, |
| IcoDecoder_GetFrameCount, |
| IcoDecoder_GetFrame |
| }; |
| |
| HRESULT IcoDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv) |
| { |
| IcoDecoder *This; |
| HRESULT ret; |
| |
| TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv); |
| |
| *ppv = NULL; |
| |
| if (pUnkOuter) return CLASS_E_NOAGGREGATION; |
| |
| This = HeapAlloc(GetProcessHeap(), 0, sizeof(IcoDecoder)); |
| if (!This) return E_OUTOFMEMORY; |
| |
| This->lpVtbl = &IcoDecoder_Vtbl; |
| This->ref = 1; |
| This->stream = NULL; |
| This->initialized = FALSE; |
| |
| ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv); |
| IUnknown_Release((IUnknown*)This); |
| |
| return ret; |
| } |