2009-08-20 16:22:16 +02:00
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/*
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* Copyright 2009 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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2009-08-20 18:58:49 +02:00
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#include "wingdi.h"
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2009-08-20 16:22:16 +02:00
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#include "objbase.h"
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#include "wincodec.h"
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#include "wincodecs_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
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#include "pshpack1.h"
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typedef struct {
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BYTE bWidth;
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BYTE bHeight;
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BYTE bColorCount;
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BYTE bReserved;
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WORD wPlanes;
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WORD wBitCount;
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DWORD dwDIBSize;
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DWORD dwDIBOffset;
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} ICONDIRENTRY;
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typedef struct
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{
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WORD idReserved;
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WORD idType;
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WORD idCount;
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} ICONHEADER;
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#include "poppack.h"
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typedef struct {
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const IWICBitmapDecoderVtbl *lpVtbl;
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LONG ref;
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2009-08-20 16:50:06 +02:00
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BOOL initialized;
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IStream *stream;
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ICONHEADER header;
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2009-08-20 16:22:16 +02:00
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} IcoDecoder;
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2009-08-20 17:06:01 +02:00
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typedef struct {
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const IWICBitmapFrameDecodeVtbl *lpVtbl;
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LONG ref;
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ICONDIRENTRY entry;
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IcoDecoder *parent;
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2009-08-20 18:58:49 +02:00
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BYTE *bits;
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2009-08-20 17:06:01 +02:00
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} IcoFrameDecode;
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static HRESULT WINAPI IcoFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
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void **ppv)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) ||
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IsEqualIID(&IID_IWICBitmapSource, iid) ||
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IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
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{
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*ppv = This;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI IcoFrameDecode_AddRef(IWICBitmapFrameDecode *iface)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI IcoFrameDecode_Release(IWICBitmapFrameDecode *iface)
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{
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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IUnknown_Release((IUnknown*)This->parent);
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2009-08-20 18:58:49 +02:00
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HeapFree(GetProcessHeap(), 0, This->bits);
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2009-08-20 17:06:01 +02:00
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT WINAPI IcoFrameDecode_GetSize(IWICBitmapFrameDecode *iface,
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UINT *puiWidth, UINT *puiHeight)
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{
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2009-08-20 17:23:00 +02:00
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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*puiWidth = This->entry.bWidth ? This->entry.bWidth : 256;
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*puiHeight = This->entry.bHeight ? This->entry.bHeight : 256;
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TRACE("(%p) -> (%i,%i)\n", iface, *puiWidth, *puiHeight);
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return S_OK;
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2009-08-20 17:06:01 +02:00
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}
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static HRESULT WINAPI IcoFrameDecode_GetPixelFormat(IWICBitmapFrameDecode *iface,
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WICPixelFormatGUID *pPixelFormat)
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{
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memcpy(pPixelFormat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
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return S_OK;
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}
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static HRESULT WINAPI IcoFrameDecode_GetResolution(IWICBitmapFrameDecode *iface,
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double *pDpiX, double *pDpiY)
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{
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FIXME("(%p,%p,%p): stub\n", iface, pDpiX, pDpiY);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IcoFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
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IWICPalette *pIPalette)
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{
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TRACE("(%p,%p)\n", iface, pIPalette);
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return WINCODEC_ERR_PALETTEUNAVAILABLE;
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}
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2009-08-20 18:58:49 +02:00
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static inline void pixel_set_trans(DWORD* pixel, BOOL transparent)
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{
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if (transparent) *pixel = 0;
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else *pixel |= 0xff000000;
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}
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static HRESULT IcoFrameDecode_ReadPixels(IcoFrameDecode *This)
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{
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BITMAPINFOHEADER bih;
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DWORD colors[256];
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UINT colorcount=0;
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LARGE_INTEGER seek;
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ULONG bytesread;
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HRESULT hr;
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BYTE *tempdata = NULL;
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BYTE *bits = NULL;
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UINT bitsStride;
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UINT bitsSize;
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UINT width, height;
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width = This->entry.bWidth ? This->entry.bWidth : 256;
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height = This->entry.bHeight ? This->entry.bHeight : 256;
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/* read the BITMAPINFOHEADER */
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seek.QuadPart = This->entry.dwDIBOffset;
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hr = IStream_Seek(This->parent->stream, seek, STREAM_SEEK_SET, NULL);
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if (FAILED(hr)) goto fail;
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hr = IStream_Read(This->parent->stream, &bih, sizeof(BITMAPINFOHEADER), &bytesread);
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if (FAILED(hr) || bytesread != sizeof(BITMAPINFOHEADER)) goto fail;
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if (This->entry.wBitCount <= 8)
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{
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/* read the palette */
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colorcount = This->entry.bColorCount ? This->entry.bColorCount : 256;
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hr = IStream_Read(This->parent->stream, colors, sizeof(RGBQUAD)*colorcount, &bytesread);
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if (FAILED(hr) || bytesread != sizeof(RGBQUAD)*colorcount) goto fail;
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}
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bitsStride = width * 4;
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bitsSize = bitsStride * height;
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/* read the XOR data */
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switch (This->entry.wBitCount)
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{
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case 8:
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{
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UINT xorBytesPerRow = (width+3)/4*4;
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UINT xorBytes = xorBytesPerRow * height;
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INT xorStride;
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BYTE *xorRow;
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BYTE *bitsRow;
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UINT x, y;
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tempdata = HeapAlloc(GetProcessHeap(), 0, xorBytes);
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if (!tempdata)
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{
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hr = E_OUTOFMEMORY;
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goto fail;
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}
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hr = IStream_Read(This->parent->stream, tempdata, xorBytes, &bytesread);
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if (FAILED(hr) || bytesread != xorBytes) goto fail;
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if (bih.biHeight > 0) /* bottom-up DIB */
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{
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xorStride = -xorBytesPerRow;
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xorRow = tempdata + (height-1)*xorBytesPerRow;
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}
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else /* top-down DIB */
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{
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xorStride = xorBytesPerRow;
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xorRow = tempdata;
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}
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bits = HeapAlloc(GetProcessHeap(), 0, bitsSize);
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/* palette-map the 8-bit data */
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bitsRow = bits;
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for (y=0; y<height; y++) {
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BYTE *xorByte=xorRow;
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DWORD *bitsPixel=(DWORD*)bitsRow;
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for (x=0; x<width; x++)
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*bitsPixel++ = colors[*xorByte++];
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xorRow += xorStride;
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bitsRow += bitsStride;
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}
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HeapFree(GetProcessHeap(), 0, tempdata);
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break;
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}
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default:
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FIXME("unsupported bitcount: %u\n", This->entry.wBitCount);
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goto fail;
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}
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if (This->entry.wBitCount < 32)
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{
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/* set alpha data based on the AND mask */
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UINT andBytesPerRow = (width+31)/32*4;
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UINT andBytes = andBytesPerRow * height;
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INT andStride;
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BYTE *andRow;
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BYTE *bitsRow;
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UINT x, y;
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tempdata = HeapAlloc(GetProcessHeap(), 0, andBytes);
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if (!tempdata)
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{
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hr = E_OUTOFMEMORY;
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goto fail;
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}
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hr = IStream_Read(This->parent->stream, tempdata, andBytes, &bytesread);
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if (FAILED(hr) || bytesread != andBytes) goto fail;
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if (bih.biHeight > 0) /* bottom-up DIB */
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{
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andStride = -andBytesPerRow;
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andRow = tempdata + (height-1)*andBytesPerRow;
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}
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else /* top-down DIB */
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{
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andStride = andBytesPerRow;
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andRow = tempdata;
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}
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bitsRow = bits;
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for (y=0; y<height; y++) {
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BYTE *andByte=andRow;
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DWORD *bitsPixel=(DWORD*)bitsRow;
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for (x=0; x<width; x+=8) {
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BYTE andVal=*andByte++;
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pixel_set_trans(bitsPixel++, andVal>>7&1);
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if (x+1 < width) pixel_set_trans(bitsPixel++, andVal>>6&1);
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if (x+2 < width) pixel_set_trans(bitsPixel++, andVal>>5&1);
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if (x+3 < width) pixel_set_trans(bitsPixel++, andVal>>4&1);
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if (x+4 < width) pixel_set_trans(bitsPixel++, andVal>>3&1);
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if (x+5 < width) pixel_set_trans(bitsPixel++, andVal>>2&1);
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if (x+6 < width) pixel_set_trans(bitsPixel++, andVal>>1&1);
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if (x+7 < width) pixel_set_trans(bitsPixel++, andVal&1);
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}
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andRow += andStride;
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bitsRow += bitsStride;
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}
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HeapFree(GetProcessHeap(), 0, tempdata);
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}
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This->bits = bits;
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return S_OK;
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fail:
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HeapFree(GetProcessHeap(), 0, tempdata);
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HeapFree(GetProcessHeap(), 0, bits);
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if (SUCCEEDED(hr)) hr = E_FAIL;
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TRACE("<-- %x\n", hr);
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return hr;
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}
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2009-08-20 17:06:01 +02:00
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static HRESULT WINAPI IcoFrameDecode_CopyPixels(IWICBitmapFrameDecode *iface,
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const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
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{
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2009-08-20 18:58:49 +02:00
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IcoFrameDecode *This = (IcoFrameDecode*)iface;
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HRESULT hr;
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UINT width, height, stride;
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TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
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if (!This->bits)
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{
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hr = IcoFrameDecode_ReadPixels(This);
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if (FAILED(hr)) return hr;
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}
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width = This->entry.bWidth ? This->entry.bWidth : 256;
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height = This->entry.bHeight ? This->entry.bHeight : 256;
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stride = width * 4;
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return copy_pixels(32, This->bits, width, height, stride,
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prc, cbStride, cbBufferSize, pbBuffer);
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2009-08-20 17:06:01 +02:00
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}
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static HRESULT WINAPI IcoFrameDecode_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
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IWICMetadataQueryReader **ppIMetadataQueryReader)
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{
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TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI IcoFrameDecode_GetColorContexts(IWICBitmapFrameDecode *iface,
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UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
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{
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TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI IcoFrameDecode_GetThumbnail(IWICBitmapFrameDecode *iface,
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IWICBitmapSource **ppIThumbnail)
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{
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TRACE("(%p,%p)\n", iface, ppIThumbnail);
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return WINCODEC_ERR_CODECNOTHUMBNAIL;
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}
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static const IWICBitmapFrameDecodeVtbl IcoFrameDecode_Vtbl = {
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|
IcoFrameDecode_QueryInterface,
|
|
|
|
IcoFrameDecode_AddRef,
|
|
|
|
IcoFrameDecode_Release,
|
|
|
|
IcoFrameDecode_GetSize,
|
|
|
|
IcoFrameDecode_GetPixelFormat,
|
|
|
|
IcoFrameDecode_GetResolution,
|
|
|
|
IcoFrameDecode_CopyPalette,
|
|
|
|
IcoFrameDecode_CopyPixels,
|
|
|
|
IcoFrameDecode_GetMetadataQueryReader,
|
|
|
|
IcoFrameDecode_GetColorContexts,
|
|
|
|
IcoFrameDecode_GetThumbnail
|
|
|
|
};
|
|
|
|
|
2009-08-20 16:22:16 +02:00
|
|
|
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)
|
|
|
|
{
|
2009-08-20 16:50:06 +02:00
|
|
|
if (This->stream) IStream_Release(This->stream);
|
2009-08-20 16:22:16 +02:00
|
|
|
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)
|
|
|
|
{
|
2009-08-20 16:50:06 +02:00
|
|
|
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;
|
2009-08-20 16:22:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
2009-08-20 17:06:01 +02:00
|
|
|
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;
|
2009-08-20 16:22:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface,
|
|
|
|
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
|
|
|
|
{
|
2009-08-20 17:06:01 +02:00
|
|
|
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;
|
2009-08-20 18:58:49 +02:00
|
|
|
result->bits = NULL;
|
2009-08-20 17:06:01 +02:00
|
|
|
|
|
|
|
/* 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;
|
2009-08-20 16:22:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
2009-08-20 16:50:06 +02:00
|
|
|
This->stream = NULL;
|
|
|
|
This->initialized = FALSE;
|
2009-08-20 16:22:16 +02:00
|
|
|
|
|
|
|
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
|
|
|
|
IUnknown_Release((IUnknown*)This);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|