windowscodecs: Add a general wrapper around the decoder interface.
Signed-off-by: Esme Povirk <esme@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Esme Povirk
Alexandre Julliard
parent
cd778e0b7f
commit
1b37ac14a3
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@ -14,6 +14,7 @@ C_SRCS = \
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colortransform.c \
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converter.c \
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ddsformat.c \
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decoder.c \
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fliprotate.c \
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gifformat.c \
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icnsformat.c \
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@ -0,0 +1,745 @@
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/*
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* Copyright 2020 Esme Povirk
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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 "wine/port.h"
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#include <stdarg.h>
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#define NONAMELESSUNION
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.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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typedef struct {
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IWICBitmapDecoder IWICBitmapDecoder_iface;
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LONG ref;
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CRITICAL_SECTION lock; /* must be held when stream or decoder is accessed */
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IStream *stream;
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struct decoder *decoder;
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struct decoder_info decoder_info;
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struct decoder_stat file_info;
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WICDecodeOptions cache_options;
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} CommonDecoder;
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static inline CommonDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface)
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{
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return CONTAINING_RECORD(iface, CommonDecoder, IWICBitmapDecoder_iface);
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}
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static HRESULT WINAPI CommonDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
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void **ppv)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(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) || IsEqualIID(&IID_IWICBitmapDecoder, iid))
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{
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*ppv = &This->IWICBitmapDecoder_iface;
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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 CommonDecoder_AddRef(IWICBitmapDecoder *iface)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(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 CommonDecoder_Release(IWICBitmapDecoder *iface)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(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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if (This->stream)
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IStream_Release(This->stream);
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This->lock.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->lock);
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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 CommonDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
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DWORD *capability)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
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HRESULT hr;
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TRACE("(%p,%p,%p)\n", iface, stream, capability);
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if (!stream || !capability) return E_INVALIDARG;
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hr = IWICBitmapDecoder_Initialize(iface, stream, WICDecodeMetadataCacheOnDemand);
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if (hr != S_OK) return hr;
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*capability = (This->file_info.flags & DECODER_FLAGS_CAPABILITY_MASK);
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
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WICDecodeOptions cacheOptions)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
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HRESULT hr=S_OK;
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TRACE("(%p,%p,%x)\n", iface, pIStream, cacheOptions);
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EnterCriticalSection(&This->lock);
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if (This->stream)
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hr = WINCODEC_ERR_WRONGSTATE;
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if (SUCCEEDED(hr))
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hr = decoder_initialize(This->decoder, pIStream, &This->file_info);
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if (SUCCEEDED(hr))
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{
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This->cache_options = cacheOptions;
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This->stream = pIStream;
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IStream_AddRef(This->stream);
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}
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT WINAPI CommonDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
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GUID *pguidContainerFormat)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
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memcpy(pguidContainerFormat, &This->decoder_info.container_format, sizeof(GUID));
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
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IWICBitmapDecoderInfo **ppIDecoderInfo)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
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TRACE("(%p,%p)\n", iface, ppIDecoderInfo);
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return get_decoder_info(&This->decoder_info.clsid, ppIDecoderInfo);
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}
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static HRESULT WINAPI CommonDecoder_CopyPalette(IWICBitmapDecoder *iface,
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IWICPalette *palette)
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{
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TRACE("(%p,%p)\n", iface, palette);
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return WINCODEC_ERR_PALETTEUNAVAILABLE;
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}
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static HRESULT WINAPI CommonDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
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IWICMetadataQueryReader **reader)
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{
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TRACE("(%p,%p)\n", iface, reader);
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if (!reader) return E_INVALIDARG;
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*reader = NULL;
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI CommonDecoder_GetPreview(IWICBitmapDecoder *iface,
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IWICBitmapSource **ppIBitmapSource)
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{
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TRACE("(%p,%p)\n", iface, ppIBitmapSource);
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if (!ppIBitmapSource) return E_INVALIDARG;
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*ppIBitmapSource = NULL;
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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static HRESULT WINAPI CommonDecoder_GetColorContexts(IWICBitmapDecoder *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 CommonDecoder_GetThumbnail(IWICBitmapDecoder *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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if (!ppIThumbnail) return E_INVALIDARG;
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*ppIThumbnail = NULL;
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return WINCODEC_ERR_CODECNOTHUMBNAIL;
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}
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static HRESULT WINAPI CommonDecoder_GetFrameCount(IWICBitmapDecoder *iface,
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UINT *pCount)
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{
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CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
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if (!pCount) return E_INVALIDARG;
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if (!This->stream) return WINCODEC_ERR_WRONGSTATE;
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*pCount = This->file_info.frame_count;
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoder_GetFrame(IWICBitmapDecoder *iface,
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UINT index, IWICBitmapFrameDecode **ppIBitmapFrame);
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static const IWICBitmapDecoderVtbl CommonDecoder_Vtbl = {
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CommonDecoder_QueryInterface,
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CommonDecoder_AddRef,
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CommonDecoder_Release,
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CommonDecoder_QueryCapability,
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CommonDecoder_Initialize,
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CommonDecoder_GetContainerFormat,
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CommonDecoder_GetDecoderInfo,
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CommonDecoder_CopyPalette,
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CommonDecoder_GetMetadataQueryReader,
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CommonDecoder_GetPreview,
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CommonDecoder_GetColorContexts,
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CommonDecoder_GetThumbnail,
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CommonDecoder_GetFrameCount,
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CommonDecoder_GetFrame
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};
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typedef struct {
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IWICBitmapFrameDecode IWICBitmapFrameDecode_iface;
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IWICMetadataBlockReader IWICMetadataBlockReader_iface;
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LONG ref;
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CommonDecoder *parent;
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DWORD frame;
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struct decoder_frame decoder_frame;
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BOOL metadata_initialized;
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ULONG metadata_count;
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struct decoder_block* metadata_blocks;
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} CommonDecoderFrame;
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static inline CommonDecoderFrame *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface)
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{
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return CONTAINING_RECORD(iface, CommonDecoderFrame, IWICBitmapFrameDecode_iface);
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}
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static inline CommonDecoderFrame *impl_from_IWICMetadataBlockReader(IWICMetadataBlockReader *iface)
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{
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return CONTAINING_RECORD(iface, CommonDecoderFrame, IWICMetadataBlockReader_iface);
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}
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static HRESULT WINAPI CommonDecoderFrame_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
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void **ppv)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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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->IWICBitmapFrameDecode_iface;
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}
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else if (IsEqualIID(&IID_IWICMetadataBlockReader, iid) &&
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(This->parent->file_info.flags & WICBitmapDecoderCapabilityCanEnumerateMetadata))
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{
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*ppv = &This->IWICMetadataBlockReader_iface;
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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 CommonDecoderFrame_AddRef(IWICBitmapFrameDecode *iface)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(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 CommonDecoderFrame_Release(IWICBitmapFrameDecode *iface)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(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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IWICBitmapDecoder_Release(&This->parent->IWICBitmapDecoder_iface);
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HeapFree(GetProcessHeap(), 0, This->metadata_blocks);
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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 CommonDecoderFrame_GetSize(IWICBitmapFrameDecode *iface,
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UINT *puiWidth, UINT *puiHeight)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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TRACE("(%p,%p,%p)\n", This, puiWidth, puiHeight);
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if (!puiWidth || !puiHeight)
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return E_POINTER;
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*puiWidth = This->decoder_frame.width;
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*puiHeight = This->decoder_frame.height;
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoderFrame_GetPixelFormat(IWICBitmapFrameDecode *iface,
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WICPixelFormatGUID *pPixelFormat)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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TRACE("(%p,%p)\n", This, pPixelFormat);
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if (!pPixelFormat)
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return E_POINTER;
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*pPixelFormat = This->decoder_frame.pixel_format;
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoderFrame_GetResolution(IWICBitmapFrameDecode *iface,
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double *pDpiX, double *pDpiY)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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TRACE("(%p,%p,%p)\n", This, pDpiX, pDpiY);
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if (!pDpiX || !pDpiY)
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return E_POINTER;
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*pDpiX = This->decoder_frame.dpix;
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*pDpiY = This->decoder_frame.dpiy;
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return S_OK;
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}
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static HRESULT WINAPI CommonDecoderFrame_CopyPalette(IWICBitmapFrameDecode *iface,
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IWICPalette *pIPalette)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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HRESULT hr=S_OK;
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TRACE("(%p,%p)\n", iface, pIPalette);
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if (This->decoder_frame.num_colors)
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{
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hr = IWICPalette_InitializeCustom(pIPalette, This->decoder_frame.palette, This->decoder_frame.num_colors);
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}
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else
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{
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hr = WINCODEC_ERR_PALETTEUNAVAILABLE;
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}
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return hr;
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}
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static HRESULT WINAPI CommonDecoderFrame_CopyPixels(IWICBitmapFrameDecode *iface,
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const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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HRESULT hr;
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UINT bytesperrow;
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WICRect rect;
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TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
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if (!pbBuffer)
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return E_POINTER;
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if (!prc)
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{
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rect.X = 0;
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rect.Y = 0;
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rect.Width = This->decoder_frame.width;
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rect.Height = This->decoder_frame.height;
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prc = ▭
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}
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else
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{
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if (prc->X < 0 || prc->Y < 0 ||
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prc->X+prc->Width > This->decoder_frame.width ||
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prc->Y+prc->Height > This->decoder_frame.height)
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return E_INVALIDARG;
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}
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bytesperrow = ((This->decoder_frame.bpp * prc->Width)+7)/8;
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if (cbStride < bytesperrow)
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return E_INVALIDARG;
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if ((cbStride * (prc->Height-1)) + bytesperrow > cbBufferSize)
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return E_INVALIDARG;
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EnterCriticalSection(&This->parent->lock);
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hr = decoder_copy_pixels(This->parent->decoder, This->frame,
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prc, cbStride, cbBufferSize, pbBuffer);
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LeaveCriticalSection(&This->parent->lock);
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return hr;
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}
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static HRESULT WINAPI CommonDecoderFrame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
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IWICMetadataQueryReader **ppIMetadataQueryReader)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
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if (!ppIMetadataQueryReader)
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return E_INVALIDARG;
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if (!(This->parent->file_info.flags & WICBitmapDecoderCapabilityCanEnumerateMetadata))
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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return MetadataQueryReader_CreateInstance(&This->IWICMetadataBlockReader_iface, NULL, ppIMetadataQueryReader);
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}
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static HRESULT WINAPI CommonDecoderFrame_GetColorContexts(IWICBitmapFrameDecode *iface,
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UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
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{
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CommonDecoderFrame *This = impl_from_IWICBitmapFrameDecode(iface);
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HRESULT hr=S_OK;
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UINT i;
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BYTE *profile;
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DWORD profile_len;
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TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
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if (!pcActualCount) return E_INVALIDARG;
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*pcActualCount = This->decoder_frame.num_color_contexts;
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if (This->decoder_frame.num_color_contexts && cCount && ppIColorContexts)
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{
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if (cCount >= This->decoder_frame.num_color_contexts)
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{
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EnterCriticalSection(&This->parent->lock);
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for (i=0; i<This->decoder_frame.num_color_contexts; i++)
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{
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hr = decoder_get_color_context(This->parent->decoder, This->frame, i,
|
||||
&profile, &profile_len);
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
hr = IWICColorContext_InitializeFromMemory(ppIColorContexts[i], profile, profile_len);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, profile);
|
||||
}
|
||||
|
||||
if (FAILED(hr))
|
||||
break;
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&This->parent->lock);
|
||||
}
|
||||
else
|
||||
{
|
||||
hr = E_INVALIDARG;
|
||||
}
|
||||
}
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_GetThumbnail(IWICBitmapFrameDecode *iface,
|
||||
IWICBitmapSource **ppIThumbnail)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, ppIThumbnail);
|
||||
|
||||
if (!ppIThumbnail) return E_INVALIDARG;
|
||||
|
||||
*ppIThumbnail = NULL;
|
||||
return WINCODEC_ERR_CODECNOTHUMBNAIL;
|
||||
}
|
||||
|
||||
static const IWICBitmapFrameDecodeVtbl CommonDecoderFrameVtbl = {
|
||||
CommonDecoderFrame_QueryInterface,
|
||||
CommonDecoderFrame_AddRef,
|
||||
CommonDecoderFrame_Release,
|
||||
CommonDecoderFrame_GetSize,
|
||||
CommonDecoderFrame_GetPixelFormat,
|
||||
CommonDecoderFrame_GetResolution,
|
||||
CommonDecoderFrame_CopyPalette,
|
||||
CommonDecoderFrame_CopyPixels,
|
||||
CommonDecoderFrame_GetMetadataQueryReader,
|
||||
CommonDecoderFrame_GetColorContexts,
|
||||
CommonDecoderFrame_GetThumbnail
|
||||
};
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_Block_QueryInterface(IWICMetadataBlockReader *iface, REFIID iid,
|
||||
void **ppv)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapFrameDecode_QueryInterface(&This->IWICBitmapFrameDecode_iface, iid, ppv);
|
||||
}
|
||||
|
||||
static ULONG WINAPI CommonDecoderFrame_Block_AddRef(IWICMetadataBlockReader *iface)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapFrameDecode_AddRef(&This->IWICBitmapFrameDecode_iface);
|
||||
}
|
||||
|
||||
static ULONG WINAPI CommonDecoderFrame_Block_Release(IWICMetadataBlockReader *iface)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapFrameDecode_Release(&This->IWICBitmapFrameDecode_iface);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_Block_GetContainerFormat(IWICMetadataBlockReader *iface,
|
||||
GUID *pguidContainerFormat)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
if (!pguidContainerFormat) return E_INVALIDARG;
|
||||
*pguidContainerFormat = This->parent->decoder_info.block_format;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_InitializeMetadata(CommonDecoderFrame *This)
|
||||
{
|
||||
HRESULT hr=S_OK;
|
||||
|
||||
if (This->metadata_initialized)
|
||||
return S_OK;
|
||||
|
||||
EnterCriticalSection(&This->parent->lock);
|
||||
|
||||
if (!This->metadata_initialized)
|
||||
{
|
||||
hr = decoder_get_metadata_blocks(This->parent->decoder, This->frame, &This->metadata_count, &This->metadata_blocks);
|
||||
if (SUCCEEDED(hr))
|
||||
This->metadata_initialized = TRUE;
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&This->parent->lock);
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_Block_GetCount(IWICMetadataBlockReader *iface,
|
||||
UINT *pcCount)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
HRESULT hr;
|
||||
|
||||
TRACE("%p,%p\n", iface, pcCount);
|
||||
|
||||
if (!pcCount) return E_INVALIDARG;
|
||||
|
||||
hr = CommonDecoderFrame_InitializeMetadata(This);
|
||||
if (SUCCEEDED(hr))
|
||||
*pcCount = This->metadata_count;
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_Block_GetReaderByIndex(IWICMetadataBlockReader *iface,
|
||||
UINT nIndex, IWICMetadataReader **ppIMetadataReader)
|
||||
{
|
||||
CommonDecoderFrame *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
HRESULT hr;
|
||||
IWICComponentFactory* factory;
|
||||
IWICStream* stream;
|
||||
|
||||
TRACE("%p,%d,%p\n", iface, nIndex, ppIMetadataReader);
|
||||
|
||||
if (!ppIMetadataReader)
|
||||
return E_INVALIDARG;
|
||||
|
||||
hr = CommonDecoderFrame_InitializeMetadata(This);
|
||||
|
||||
if (SUCCEEDED(hr) && nIndex >= This->metadata_count)
|
||||
hr = E_INVALIDARG;
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
hr = StreamImpl_Create(&stream);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
ULARGE_INTEGER offset, length;
|
||||
|
||||
offset.QuadPart = This->metadata_blocks[nIndex].offset;
|
||||
length.QuadPart = This->metadata_blocks[nIndex].length;
|
||||
hr = IWICStream_InitializeFromIStreamRegion(stream, This->parent->stream,
|
||||
offset, length);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
hr = ImagingFactory_CreateInstance(&IID_IWICComponentFactory, (void**)&factory);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
|
||||
&This->parent->decoder_info.block_format, NULL, This->metadata_blocks[nIndex].options,
|
||||
(IStream*)stream, ppIMetadataReader);
|
||||
|
||||
IWICComponentFactory_Release(factory);
|
||||
}
|
||||
|
||||
IWICStream_Release(stream);
|
||||
}
|
||||
|
||||
if (FAILED(hr))
|
||||
*ppIMetadataReader = NULL;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI CommonDecoderFrame_Block_GetEnumerator(IWICMetadataBlockReader *iface,
|
||||
IEnumUnknown **ppIEnumMetadata)
|
||||
{
|
||||
FIXME("%p,%p\n", iface, ppIEnumMetadata);
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
static const IWICMetadataBlockReaderVtbl CommonDecoderFrame_BlockVtbl = {
|
||||
CommonDecoderFrame_Block_QueryInterface,
|
||||
CommonDecoderFrame_Block_AddRef,
|
||||
CommonDecoderFrame_Block_Release,
|
||||
CommonDecoderFrame_Block_GetContainerFormat,
|
||||
CommonDecoderFrame_Block_GetCount,
|
||||
CommonDecoderFrame_Block_GetReaderByIndex,
|
||||
CommonDecoderFrame_Block_GetEnumerator,
|
||||
};
|
||||
|
||||
static HRESULT WINAPI CommonDecoder_GetFrame(IWICBitmapDecoder *iface,
|
||||
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
|
||||
{
|
||||
CommonDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
HRESULT hr=S_OK;
|
||||
CommonDecoderFrame *result;
|
||||
|
||||
TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
|
||||
|
||||
if (!ppIBitmapFrame)
|
||||
return E_POINTER;
|
||||
|
||||
EnterCriticalSection(&This->lock);
|
||||
|
||||
if (!This->stream || index >= This->file_info.frame_count)
|
||||
hr = WINCODEC_ERR_FRAMEMISSING;
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
result = HeapAlloc(GetProcessHeap(), 0, sizeof(*result));
|
||||
if (!result)
|
||||
hr = E_OUTOFMEMORY;
|
||||
}
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
result->IWICBitmapFrameDecode_iface.lpVtbl = &CommonDecoderFrameVtbl;
|
||||
result->IWICMetadataBlockReader_iface.lpVtbl = &CommonDecoderFrame_BlockVtbl;
|
||||
result->ref = 1;
|
||||
result->parent = This;
|
||||
result->frame = index;
|
||||
result->metadata_initialized = FALSE;
|
||||
result->metadata_count = 0;
|
||||
result->metadata_blocks = NULL;
|
||||
|
||||
hr = decoder_get_frame_info(This->decoder, index, &result->decoder_frame);
|
||||
|
||||
if (SUCCEEDED(hr) && This->cache_options == WICDecodeMetadataCacheOnLoad)
|
||||
hr = CommonDecoderFrame_InitializeMetadata(result);
|
||||
|
||||
if (FAILED(hr))
|
||||
HeapFree(GetProcessHeap(), 0, result);
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&This->lock);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
TRACE("-> %ux%u, %u-bit pixelformat=%s res=%f,%f colors=%u contexts=%u\n",
|
||||
result->decoder_frame.width, result->decoder_frame.height,
|
||||
result->decoder_frame.bpp, wine_dbgstr_guid(&result->decoder_frame.pixel_format),
|
||||
result->decoder_frame.dpix, result->decoder_frame.dpiy,
|
||||
result->decoder_frame.num_colors, result->decoder_frame.num_color_contexts);
|
||||
IWICBitmapDecoder_AddRef(&This->IWICBitmapDecoder_iface);
|
||||
*ppIBitmapFrame = &result->IWICBitmapFrameDecode_iface;
|
||||
}
|
||||
else
|
||||
{
|
||||
*ppIBitmapFrame = NULL;
|
||||
}
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
HRESULT CommonDecoder_CreateInstance(struct decoder *decoder,
|
||||
const struct decoder_info *decoder_info, REFIID iid, void** ppv)
|
||||
{
|
||||
CommonDecoder *This;
|
||||
HRESULT hr;
|
||||
|
||||
TRACE("(%s,%s,%p)\n", debugstr_guid(&decoder_info->clsid), debugstr_guid(iid), ppv);
|
||||
|
||||
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
|
||||
if (!This)
|
||||
{
|
||||
decoder_destroy(decoder);
|
||||
return E_OUTOFMEMORY;
|
||||
}
|
||||
|
||||
This->IWICBitmapDecoder_iface.lpVtbl = &CommonDecoder_Vtbl;
|
||||
This->ref = 1;
|
||||
This->stream = NULL;
|
||||
This->decoder = decoder;
|
||||
This->decoder_info = *decoder_info;
|
||||
InitializeCriticalSection(&This->lock);
|
||||
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": CommonDecoder.lock");
|
||||
|
||||
hr = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
|
||||
IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
|
@ -392,795 +392,6 @@ static void user_warning_fn(png_structp png_ptr, png_const_charp warning_message
|
|||
WARN("PNG warning: %s\n", debugstr_a(warning_message));
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
ULARGE_INTEGER ofs, len;
|
||||
IWICMetadataReader* reader;
|
||||
} metadata_block_info;
|
||||
|
||||
typedef struct {
|
||||
IWICBitmapDecoder IWICBitmapDecoder_iface;
|
||||
IWICBitmapFrameDecode IWICBitmapFrameDecode_iface;
|
||||
IWICMetadataBlockReader IWICMetadataBlockReader_iface;
|
||||
LONG ref;
|
||||
IStream *stream;
|
||||
struct decoder *png_decoder;
|
||||
struct decoder_info decoder_info;
|
||||
struct decoder_stat file_info;
|
||||
struct decoder_frame decoder_frame;
|
||||
png_structp png_ptr;
|
||||
png_infop info_ptr;
|
||||
png_infop end_info;
|
||||
BOOL initialized;
|
||||
int bpp;
|
||||
int width, height;
|
||||
UINT stride;
|
||||
const WICPixelFormatGUID *format;
|
||||
BYTE *image_bits;
|
||||
CRITICAL_SECTION lock; /* must be held when png structures are accessed or initialized is set */
|
||||
ULONG metadata_count;
|
||||
struct decoder_block* metadata_blocks;
|
||||
} PngDecoder;
|
||||
|
||||
static inline PngDecoder *impl_from_IWICBitmapDecoder(IWICBitmapDecoder *iface)
|
||||
{
|
||||
return CONTAINING_RECORD(iface, PngDecoder, IWICBitmapDecoder_iface);
|
||||
}
|
||||
|
||||
static inline PngDecoder *impl_from_IWICBitmapFrameDecode(IWICBitmapFrameDecode *iface)
|
||||
{
|
||||
return CONTAINING_RECORD(iface, PngDecoder, IWICBitmapFrameDecode_iface);
|
||||
}
|
||||
|
||||
static inline PngDecoder *impl_from_IWICMetadataBlockReader(IWICMetadataBlockReader *iface)
|
||||
{
|
||||
return CONTAINING_RECORD(iface, PngDecoder, IWICMetadataBlockReader_iface);
|
||||
}
|
||||
|
||||
static const IWICBitmapFrameDecodeVtbl PngDecoder_FrameVtbl;
|
||||
|
||||
static HRESULT WINAPI PngDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid,
|
||||
void **ppv)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(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->IWICBitmapDecoder_iface;
|
||||
}
|
||||
else
|
||||
{
|
||||
*ppv = NULL;
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
|
||||
IUnknown_AddRef((IUnknown*)*ppv);
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_AddRef(IWICBitmapDecoder *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
ULONG ref = InterlockedIncrement(&This->ref);
|
||||
|
||||
TRACE("(%p) refcount=%u\n", iface, ref);
|
||||
|
||||
return ref;
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_Release(IWICBitmapDecoder *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
ULONG ref = InterlockedDecrement(&This->ref);
|
||||
|
||||
TRACE("(%p) refcount=%u\n", iface, ref);
|
||||
|
||||
if (ref == 0)
|
||||
{
|
||||
if (This->stream)
|
||||
IStream_Release(This->stream);
|
||||
if (This->png_ptr)
|
||||
ppng_destroy_read_struct(&This->png_ptr, &This->info_ptr, &This->end_info);
|
||||
if (This->png_decoder)
|
||||
decoder_destroy(This->png_decoder);
|
||||
This->lock.DebugInfo->Spare[0] = 0;
|
||||
DeleteCriticalSection(&This->lock);
|
||||
HeapFree(GetProcessHeap(), 0, This->image_bits);
|
||||
HeapFree(GetProcessHeap(), 0, This->metadata_blocks);
|
||||
HeapFree(GetProcessHeap(), 0, This);
|
||||
}
|
||||
|
||||
return ref;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
|
||||
DWORD *capability)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
HRESULT hr;
|
||||
|
||||
TRACE("(%p,%p,%p)\n", iface, stream, capability);
|
||||
|
||||
if (!stream || !capability) return E_INVALIDARG;
|
||||
|
||||
hr = IWICBitmapDecoder_Initialize(iface, stream, WICDecodeMetadataCacheOnDemand);
|
||||
if (hr != S_OK) return hr;
|
||||
|
||||
*capability = (This->file_info.flags & DECODER_FLAGS_CAPABILITY_MASK);
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static void user_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
{
|
||||
IStream *stream = ppng_get_io_ptr(png_ptr);
|
||||
HRESULT hr;
|
||||
ULONG bytesread;
|
||||
|
||||
hr = IStream_Read(stream, data, length, &bytesread);
|
||||
if (FAILED(hr) || bytesread != length)
|
||||
{
|
||||
ppng_error(png_ptr, "failed reading data");
|
||||
}
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream,
|
||||
WICDecodeOptions cacheOptions)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
LARGE_INTEGER seek;
|
||||
HRESULT hr=S_OK;
|
||||
png_bytep *row_pointers=NULL;
|
||||
UINT image_size;
|
||||
UINT i;
|
||||
int color_type, bit_depth;
|
||||
png_bytep trans;
|
||||
int num_trans;
|
||||
png_uint_32 transparency;
|
||||
png_color_16p trans_values;
|
||||
jmp_buf jmpbuf;
|
||||
|
||||
TRACE("(%p,%p,%x)\n", iface, pIStream, cacheOptions);
|
||||
|
||||
EnterCriticalSection(&This->lock);
|
||||
|
||||
if (This->initialized)
|
||||
{
|
||||
hr = WINCODEC_ERR_WRONGSTATE;
|
||||
goto end;
|
||||
}
|
||||
|
||||
hr = decoder_initialize(This->png_decoder, pIStream, &This->file_info);
|
||||
if (FAILED(hr))
|
||||
goto end;
|
||||
|
||||
/* this function cannot fail in PNG decoder */
|
||||
decoder_get_frame_info(This->png_decoder, 0, &This->decoder_frame);
|
||||
|
||||
/* initialize libpng */
|
||||
This->png_ptr = ppng_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
|
||||
if (!This->png_ptr)
|
||||
{
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
|
||||
This->info_ptr = ppng_create_info_struct(This->png_ptr);
|
||||
if (!This->info_ptr)
|
||||
{
|
||||
ppng_destroy_read_struct(&This->png_ptr, NULL, NULL);
|
||||
This->png_ptr = NULL;
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
|
||||
This->end_info = ppng_create_info_struct(This->png_ptr);
|
||||
if (!This->end_info)
|
||||
{
|
||||
ppng_destroy_read_struct(&This->png_ptr, &This->info_ptr, NULL);
|
||||
This->png_ptr = NULL;
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* set up setjmp/longjmp error handling */
|
||||
if (setjmp(jmpbuf))
|
||||
{
|
||||
ppng_destroy_read_struct(&This->png_ptr, &This->info_ptr, &This->end_info);
|
||||
This->png_ptr = NULL;
|
||||
hr = WINCODEC_ERR_UNKNOWNIMAGEFORMAT;
|
||||
goto end;
|
||||
}
|
||||
ppng_set_error_fn(This->png_ptr, jmpbuf, user_error_fn, user_warning_fn);
|
||||
ppng_set_crc_action(This->png_ptr, PNG_CRC_QUIET_USE, PNG_CRC_QUIET_USE);
|
||||
|
||||
/* seek to the start of the stream */
|
||||
seek.QuadPart = 0;
|
||||
hr = IStream_Seek(pIStream, seek, STREAM_SEEK_SET, NULL);
|
||||
if (FAILED(hr)) goto end;
|
||||
|
||||
/* set up custom i/o handling */
|
||||
ppng_set_read_fn(This->png_ptr, pIStream, user_read_data);
|
||||
|
||||
/* read the header */
|
||||
ppng_read_info(This->png_ptr, This->info_ptr);
|
||||
|
||||
/* choose a pixel format */
|
||||
color_type = ppng_get_color_type(This->png_ptr, This->info_ptr);
|
||||
bit_depth = ppng_get_bit_depth(This->png_ptr, This->info_ptr);
|
||||
|
||||
/* PNGs with bit-depth greater than 8 are network byte order. Windows does not expect this. */
|
||||
if (bit_depth > 8)
|
||||
ppng_set_swap(This->png_ptr);
|
||||
|
||||
/* check for color-keyed alpha */
|
||||
transparency = ppng_get_tRNS(This->png_ptr, This->info_ptr, &trans, &num_trans, &trans_values);
|
||||
|
||||
if (transparency && (color_type == PNG_COLOR_TYPE_RGB ||
|
||||
(color_type == PNG_COLOR_TYPE_GRAY && bit_depth == 16)))
|
||||
{
|
||||
/* expand to RGBA */
|
||||
if (color_type == PNG_COLOR_TYPE_GRAY)
|
||||
ppng_set_gray_to_rgb(This->png_ptr);
|
||||
ppng_set_tRNS_to_alpha(This->png_ptr);
|
||||
color_type = PNG_COLOR_TYPE_RGB_ALPHA;
|
||||
}
|
||||
|
||||
switch (color_type)
|
||||
{
|
||||
case PNG_COLOR_TYPE_GRAY_ALPHA:
|
||||
/* WIC does not support grayscale alpha formats so use RGBA */
|
||||
ppng_set_gray_to_rgb(This->png_ptr);
|
||||
/* fall through */
|
||||
case PNG_COLOR_TYPE_RGB_ALPHA:
|
||||
This->bpp = bit_depth * 4;
|
||||
switch (bit_depth)
|
||||
{
|
||||
case 8:
|
||||
ppng_set_bgr(This->png_ptr);
|
||||
This->format = &GUID_WICPixelFormat32bppBGRA;
|
||||
break;
|
||||
case 16: This->format = &GUID_WICPixelFormat64bppRGBA; break;
|
||||
default:
|
||||
ERR("invalid RGBA bit depth: %i\n", bit_depth);
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
break;
|
||||
case PNG_COLOR_TYPE_GRAY:
|
||||
This->bpp = bit_depth;
|
||||
if (!transparency)
|
||||
{
|
||||
switch (bit_depth)
|
||||
{
|
||||
case 1: This->format = &GUID_WICPixelFormatBlackWhite; break;
|
||||
case 2: This->format = &GUID_WICPixelFormat2bppGray; break;
|
||||
case 4: This->format = &GUID_WICPixelFormat4bppGray; break;
|
||||
case 8: This->format = &GUID_WICPixelFormat8bppGray; break;
|
||||
case 16: This->format = &GUID_WICPixelFormat16bppGray; break;
|
||||
default:
|
||||
ERR("invalid grayscale bit depth: %i\n", bit_depth);
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
break;
|
||||
}
|
||||
/* else fall through */
|
||||
case PNG_COLOR_TYPE_PALETTE:
|
||||
This->bpp = bit_depth;
|
||||
switch (bit_depth)
|
||||
{
|
||||
case 1: This->format = &GUID_WICPixelFormat1bppIndexed; break;
|
||||
case 2: This->format = &GUID_WICPixelFormat2bppIndexed; break;
|
||||
case 4: This->format = &GUID_WICPixelFormat4bppIndexed; break;
|
||||
case 8: This->format = &GUID_WICPixelFormat8bppIndexed; break;
|
||||
default:
|
||||
ERR("invalid indexed color bit depth: %i\n", bit_depth);
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
break;
|
||||
case PNG_COLOR_TYPE_RGB:
|
||||
This->bpp = bit_depth * 3;
|
||||
switch (bit_depth)
|
||||
{
|
||||
case 8:
|
||||
ppng_set_bgr(This->png_ptr);
|
||||
This->format = &GUID_WICPixelFormat24bppBGR;
|
||||
break;
|
||||
case 16: This->format = &GUID_WICPixelFormat48bppRGB; break;
|
||||
default:
|
||||
ERR("invalid RGB color bit depth: %i\n", bit_depth);
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
ERR("invalid color type %i\n", color_type);
|
||||
hr = E_FAIL;
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* read the image data */
|
||||
This->width = ppng_get_image_width(This->png_ptr, This->info_ptr);
|
||||
This->height = ppng_get_image_height(This->png_ptr, This->info_ptr);
|
||||
This->stride = (This->width * This->bpp + 7) / 8;
|
||||
image_size = This->stride * This->height;
|
||||
|
||||
This->image_bits = HeapAlloc(GetProcessHeap(), 0, image_size);
|
||||
if (!This->image_bits)
|
||||
{
|
||||
hr = E_OUTOFMEMORY;
|
||||
goto end;
|
||||
}
|
||||
|
||||
row_pointers = HeapAlloc(GetProcessHeap(), 0, sizeof(png_bytep)*This->height);
|
||||
if (!row_pointers)
|
||||
{
|
||||
hr = E_OUTOFMEMORY;
|
||||
goto end;
|
||||
}
|
||||
|
||||
for (i=0; i<This->height; i++)
|
||||
row_pointers[i] = This->image_bits + i * This->stride;
|
||||
|
||||
ppng_read_image(This->png_ptr, row_pointers);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, row_pointers);
|
||||
row_pointers = NULL;
|
||||
|
||||
ppng_read_end(This->png_ptr, This->end_info);
|
||||
|
||||
decoder_get_metadata_blocks(This->png_decoder, 0, &This->metadata_count, &This->metadata_blocks);
|
||||
|
||||
This->stream = pIStream;
|
||||
IStream_AddRef(This->stream);
|
||||
|
||||
This->initialized = TRUE;
|
||||
|
||||
end:
|
||||
LeaveCriticalSection(&This->lock);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, row_pointers);
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetContainerFormat(IWICBitmapDecoder *iface,
|
||||
GUID *pguidContainerFormat)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
memcpy(pguidContainerFormat, &This->decoder_info.container_format, sizeof(GUID));
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetDecoderInfo(IWICBitmapDecoder *iface,
|
||||
IWICBitmapDecoderInfo **ppIDecoderInfo)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
TRACE("(%p,%p)\n", iface, ppIDecoderInfo);
|
||||
|
||||
return get_decoder_info(&This->decoder_info.clsid, ppIDecoderInfo);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_CopyPalette(IWICBitmapDecoder *iface,
|
||||
IWICPalette *palette)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, palette);
|
||||
return WINCODEC_ERR_PALETTEUNAVAILABLE;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
|
||||
IWICMetadataQueryReader **reader)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, reader);
|
||||
|
||||
if (!reader) return E_INVALIDARG;
|
||||
|
||||
*reader = NULL;
|
||||
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetPreview(IWICBitmapDecoder *iface,
|
||||
IWICBitmapSource **ppIBitmapSource)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, ppIBitmapSource);
|
||||
|
||||
if (!ppIBitmapSource) return E_INVALIDARG;
|
||||
|
||||
*ppIBitmapSource = NULL;
|
||||
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_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 PngDecoder_GetThumbnail(IWICBitmapDecoder *iface,
|
||||
IWICBitmapSource **ppIThumbnail)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, ppIThumbnail);
|
||||
|
||||
if (!ppIThumbnail) return E_INVALIDARG;
|
||||
|
||||
*ppIThumbnail = NULL;
|
||||
return WINCODEC_ERR_CODECNOTHUMBNAIL;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetFrameCount(IWICBitmapDecoder *iface,
|
||||
UINT *pCount)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
if (!pCount) return E_INVALIDARG;
|
||||
|
||||
if (!This->initialized) return WINCODEC_ERR_WRONGSTATE;
|
||||
|
||||
*pCount = This->file_info.frame_count;
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_GetFrame(IWICBitmapDecoder *iface,
|
||||
UINT index, IWICBitmapFrameDecode **ppIBitmapFrame)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapDecoder(iface);
|
||||
TRACE("(%p,%u,%p)\n", iface, index, ppIBitmapFrame);
|
||||
|
||||
if (!This->initialized) return WINCODEC_ERR_FRAMEMISSING;
|
||||
|
||||
if (index != 0) return E_INVALIDARG;
|
||||
|
||||
IWICBitmapDecoder_AddRef(iface);
|
||||
|
||||
*ppIBitmapFrame = &This->IWICBitmapFrameDecode_iface;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static const IWICBitmapDecoderVtbl PngDecoder_Vtbl = {
|
||||
PngDecoder_QueryInterface,
|
||||
PngDecoder_AddRef,
|
||||
PngDecoder_Release,
|
||||
PngDecoder_QueryCapability,
|
||||
PngDecoder_Initialize,
|
||||
PngDecoder_GetContainerFormat,
|
||||
PngDecoder_GetDecoderInfo,
|
||||
PngDecoder_CopyPalette,
|
||||
PngDecoder_GetMetadataQueryReader,
|
||||
PngDecoder_GetPreview,
|
||||
PngDecoder_GetColorContexts,
|
||||
PngDecoder_GetThumbnail,
|
||||
PngDecoder_GetFrameCount,
|
||||
PngDecoder_GetFrame
|
||||
};
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,
|
||||
void **ppv)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
if (!ppv) return E_INVALIDARG;
|
||||
|
||||
if (IsEqualIID(&IID_IUnknown, iid) ||
|
||||
IsEqualIID(&IID_IWICBitmapSource, iid) ||
|
||||
IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
|
||||
{
|
||||
*ppv = &This->IWICBitmapFrameDecode_iface;
|
||||
}
|
||||
else if (IsEqualIID(&IID_IWICMetadataBlockReader, iid))
|
||||
{
|
||||
*ppv = &This->IWICMetadataBlockReader_iface;
|
||||
}
|
||||
else
|
||||
{
|
||||
*ppv = NULL;
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
|
||||
IUnknown_AddRef((IUnknown*)*ppv);
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_Frame_AddRef(IWICBitmapFrameDecode *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
return IWICBitmapDecoder_AddRef(&This->IWICBitmapDecoder_iface);
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_Frame_Release(IWICBitmapFrameDecode *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
return IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetSize(IWICBitmapFrameDecode *iface,
|
||||
UINT *puiWidth, UINT *puiHeight)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
*puiWidth = This->decoder_frame.width;
|
||||
*puiHeight = This->decoder_frame.height;
|
||||
TRACE("(%p)->(%u,%u)\n", iface, *puiWidth, *puiHeight);
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetPixelFormat(IWICBitmapFrameDecode *iface,
|
||||
WICPixelFormatGUID *pPixelFormat)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
TRACE("(%p,%p)\n", iface, pPixelFormat);
|
||||
|
||||
memcpy(pPixelFormat, &This->decoder_frame.pixel_format, sizeof(GUID));
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetResolution(IWICBitmapFrameDecode *iface,
|
||||
double *pDpiX, double *pDpiY)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
|
||||
*pDpiX = This->decoder_frame.dpix;
|
||||
*pDpiY = This->decoder_frame.dpiy;
|
||||
|
||||
TRACE("(%p)->(%0.2f,%0.2f)\n", iface, *pDpiX, *pDpiY);
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_CopyPalette(IWICBitmapFrameDecode *iface,
|
||||
IWICPalette *pIPalette)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
HRESULT hr=S_OK;
|
||||
|
||||
TRACE("(%p,%p)\n", iface, pIPalette);
|
||||
|
||||
if (This->decoder_frame.num_colors)
|
||||
{
|
||||
hr = IWICPalette_InitializeCustom(pIPalette, This->decoder_frame.palette, This->decoder_frame.num_colors);
|
||||
}
|
||||
else
|
||||
{
|
||||
hr = WINCODEC_ERR_PALETTEUNAVAILABLE;
|
||||
}
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
|
||||
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
|
||||
|
||||
return decoder_copy_pixels(This->png_decoder, 0,
|
||||
prc, cbStride, cbBufferSize, pbBuffer);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
|
||||
IWICMetadataQueryReader **ppIMetadataQueryReader)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
|
||||
TRACE("(%p,%p)\n", iface, ppIMetadataQueryReader);
|
||||
|
||||
if (!ppIMetadataQueryReader)
|
||||
return E_INVALIDARG;
|
||||
|
||||
return MetadataQueryReader_CreateInstance(&This->IWICMetadataBlockReader_iface, NULL, ppIMetadataQueryReader);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetColorContexts(IWICBitmapFrameDecode *iface,
|
||||
UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
|
||||
HRESULT hr=S_OK;
|
||||
BYTE *profile;
|
||||
DWORD profile_len;
|
||||
|
||||
TRACE("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount);
|
||||
|
||||
if (!pcActualCount) return E_INVALIDARG;
|
||||
|
||||
*pcActualCount = This->decoder_frame.num_color_contexts;
|
||||
|
||||
if (This->decoder_frame.num_color_contexts && cCount && ppIColorContexts)
|
||||
{
|
||||
EnterCriticalSection(&This->lock);
|
||||
|
||||
hr = decoder_get_color_context(This->png_decoder, 0, 0,
|
||||
&profile, &profile_len);
|
||||
|
||||
LeaveCriticalSection(&This->lock);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
hr = IWICColorContext_InitializeFromMemory(*ppIColorContexts, profile, profile_len);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, profile);
|
||||
}
|
||||
}
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Frame_GetThumbnail(IWICBitmapFrameDecode *iface,
|
||||
IWICBitmapSource **ppIThumbnail)
|
||||
{
|
||||
TRACE("(%p,%p)\n", iface, ppIThumbnail);
|
||||
|
||||
if (!ppIThumbnail) return E_INVALIDARG;
|
||||
|
||||
*ppIThumbnail = NULL;
|
||||
return WINCODEC_ERR_CODECNOTHUMBNAIL;
|
||||
}
|
||||
|
||||
static const IWICBitmapFrameDecodeVtbl PngDecoder_FrameVtbl = {
|
||||
PngDecoder_Frame_QueryInterface,
|
||||
PngDecoder_Frame_AddRef,
|
||||
PngDecoder_Frame_Release,
|
||||
PngDecoder_Frame_GetSize,
|
||||
PngDecoder_Frame_GetPixelFormat,
|
||||
PngDecoder_Frame_GetResolution,
|
||||
PngDecoder_Frame_CopyPalette,
|
||||
PngDecoder_Frame_CopyPixels,
|
||||
PngDecoder_Frame_GetMetadataQueryReader,
|
||||
PngDecoder_Frame_GetColorContexts,
|
||||
PngDecoder_Frame_GetThumbnail
|
||||
};
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Block_QueryInterface(IWICMetadataBlockReader *iface, REFIID iid,
|
||||
void **ppv)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapFrameDecode_QueryInterface(&This->IWICBitmapFrameDecode_iface, iid, ppv);
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_Block_AddRef(IWICMetadataBlockReader *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapDecoder_AddRef(&This->IWICBitmapDecoder_iface);
|
||||
}
|
||||
|
||||
static ULONG WINAPI PngDecoder_Block_Release(IWICMetadataBlockReader *iface)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
return IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Block_GetContainerFormat(IWICMetadataBlockReader *iface,
|
||||
GUID *pguidContainerFormat)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
if (!pguidContainerFormat) return E_INVALIDARG;
|
||||
memcpy(pguidContainerFormat, &This->decoder_info.block_format, sizeof(GUID));
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Block_GetCount(IWICMetadataBlockReader *iface,
|
||||
UINT *pcCount)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
|
||||
TRACE("%p,%p\n", iface, pcCount);
|
||||
|
||||
if (!pcCount) return E_INVALIDARG;
|
||||
|
||||
*pcCount = This->metadata_count;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Block_GetReaderByIndex(IWICMetadataBlockReader *iface,
|
||||
UINT nIndex, IWICMetadataReader **ppIMetadataReader)
|
||||
{
|
||||
PngDecoder *This = impl_from_IWICMetadataBlockReader(iface);
|
||||
HRESULT hr;
|
||||
IWICComponentFactory* factory;
|
||||
IWICStream* stream;
|
||||
|
||||
TRACE("%p,%d,%p\n", iface, nIndex, ppIMetadataReader);
|
||||
|
||||
if (nIndex >= This->metadata_count || !ppIMetadataReader)
|
||||
return E_INVALIDARG;
|
||||
|
||||
hr = StreamImpl_Create(&stream);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
ULARGE_INTEGER offset, length;
|
||||
|
||||
offset.QuadPart = This->metadata_blocks[nIndex].offset;
|
||||
length.QuadPart = This->metadata_blocks[nIndex].length;
|
||||
hr = IWICStream_InitializeFromIStreamRegion(stream, This->stream,
|
||||
offset, length);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
hr = ImagingFactory_CreateInstance(&IID_IWICComponentFactory, (void**)&factory);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
|
||||
&GUID_ContainerFormatPng, NULL, This->metadata_blocks[nIndex].options,
|
||||
(IStream*)stream, ppIMetadataReader);
|
||||
|
||||
IWICComponentFactory_Release(factory);
|
||||
}
|
||||
|
||||
IWICStream_Release(stream);
|
||||
}
|
||||
|
||||
if (FAILED(hr))
|
||||
*ppIMetadataReader = NULL;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
static HRESULT WINAPI PngDecoder_Block_GetEnumerator(IWICMetadataBlockReader *iface,
|
||||
IEnumUnknown **ppIEnumMetadata)
|
||||
{
|
||||
FIXME("%p,%p\n", iface, ppIEnumMetadata);
|
||||
return E_NOTIMPL;
|
||||
}
|
||||
|
||||
static const IWICMetadataBlockReaderVtbl PngDecoder_BlockVtbl = {
|
||||
PngDecoder_Block_QueryInterface,
|
||||
PngDecoder_Block_AddRef,
|
||||
PngDecoder_Block_Release,
|
||||
PngDecoder_Block_GetContainerFormat,
|
||||
PngDecoder_Block_GetCount,
|
||||
PngDecoder_Block_GetReaderByIndex,
|
||||
PngDecoder_Block_GetEnumerator,
|
||||
};
|
||||
|
||||
HRESULT PngDecoder_CreateInstance(REFIID iid, void** ppv)
|
||||
{
|
||||
PngDecoder *This;
|
||||
HRESULT ret;
|
||||
|
||||
TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
|
||||
|
||||
*ppv = NULL;
|
||||
|
||||
if (!load_libpng())
|
||||
{
|
||||
ERR("Failed reading PNG because unable to find %s\n",SONAME_LIBPNG);
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PngDecoder));
|
||||
if (!This) return E_OUTOFMEMORY;
|
||||
|
||||
ret = get_unix_decoder(&CLSID_WICPngDecoder, &This->decoder_info, &This->png_decoder);
|
||||
if (FAILED(ret))
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, This);
|
||||
return ret;
|
||||
}
|
||||
|
||||
This->IWICBitmapDecoder_iface.lpVtbl = &PngDecoder_Vtbl;
|
||||
This->IWICBitmapFrameDecode_iface.lpVtbl = &PngDecoder_FrameVtbl;
|
||||
This->IWICMetadataBlockReader_iface.lpVtbl = &PngDecoder_BlockVtbl;
|
||||
This->ref = 1;
|
||||
This->png_ptr = NULL;
|
||||
This->info_ptr = NULL;
|
||||
This->end_info = NULL;
|
||||
This->stream = NULL;
|
||||
This->initialized = FALSE;
|
||||
This->image_bits = NULL;
|
||||
InitializeCriticalSection(&This->lock);
|
||||
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PngDecoder.lock");
|
||||
This->metadata_count = 0;
|
||||
This->metadata_blocks = NULL;
|
||||
|
||||
ret = IWICBitmapDecoder_QueryInterface(&This->IWICBitmapDecoder_iface, iid, ppv);
|
||||
IWICBitmapDecoder_Release(&This->IWICBitmapDecoder_iface);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
struct png_pixelformat {
|
||||
const WICPixelFormatGUID *guid;
|
||||
UINT bpp;
|
||||
|
|
@ -2034,12 +1245,6 @@ HRESULT PngEncoder_CreateInstance(REFIID iid, void** ppv)
|
|||
|
||||
#else /* !SONAME_LIBPNG */
|
||||
|
||||
HRESULT PngDecoder_CreateInstance(REFIID iid, void** ppv)
|
||||
{
|
||||
ERR("Trying to load PNG picture, but PNG support is not compiled in.\n");
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
HRESULT PngEncoder_CreateInstance(REFIID iid, void** ppv)
|
||||
{
|
||||
ERR("Trying to save PNG picture, but PNG support is not compiled in.\n");
|
||||
|
|
@ -2047,3 +1252,17 @@ HRESULT PngEncoder_CreateInstance(REFIID iid, void** ppv)
|
|||
}
|
||||
|
||||
#endif
|
||||
|
||||
HRESULT PngDecoder_CreateInstance(REFIID iid, void** ppv)
|
||||
{
|
||||
HRESULT hr;
|
||||
struct decoder *decoder;
|
||||
struct decoder_info decoder_info;
|
||||
|
||||
hr = get_unix_decoder(&CLSID_WICPngDecoder, &decoder_info, &decoder);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
hr = CommonDecoder_CreateInstance(decoder, &decoder_info, iid, ppv);
|
||||
|
||||
return hr;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -343,4 +343,7 @@ struct unix_funcs
|
|||
|
||||
HRESULT get_unix_decoder(const CLSID *decoder_clsid, struct decoder_info *info, struct decoder **result);
|
||||
|
||||
extern HRESULT CommonDecoder_CreateInstance(struct decoder *decoder,
|
||||
const struct decoder_info *decoder_info, REFIID iid, void** ppv) DECLSPEC_HIDDEN;
|
||||
|
||||
#endif /* WINCODECS_PRIVATE_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue