Module: wine Branch: master Commit: 568c739082d902f595d4717ca9fae046165220c3 URL: http://source.winehq.org/git/wine.git/?a=commit;h=568c739082d902f595d4717ca9...
Author: Vincent Povirk vincent@codeweavers.com Date: Sat Aug 8 18:49:33 2009 -0500
windowscodecs: Add stub PNG decoder.
---
dlls/windowscodecs/Makefile.in | 2 + dlls/windowscodecs/clsfactory.c | 1 + dlls/windowscodecs/pngformat.c | 250 ++++++++++++++++++++++++++++++++ dlls/windowscodecs/regsvr.c | 6 + dlls/windowscodecs/wincodecs_private.h | 1 + 5 files changed, 260 insertions(+), 0 deletions(-)
diff --git a/dlls/windowscodecs/Makefile.in b/dlls/windowscodecs/Makefile.in index f7dd011..d78fbf9 100644 --- a/dlls/windowscodecs/Makefile.in +++ b/dlls/windowscodecs/Makefile.in @@ -5,6 +5,7 @@ VPATH = @srcdir@ MODULE = windowscodecs.dll IMPORTLIB = windowscodecs IMPORTS = uuid ole32 advapi32 kernel32 +EXTRAINCL = @PNGINCL@
C_SRCS = \ bmpdecode.c \ @@ -18,6 +19,7 @@ C_SRCS = \ jpegformat.c \ main.c \ palette.c \ + pngformat.c \ propertybag.c \ regsvr.c \ stream.c \ diff --git a/dlls/windowscodecs/clsfactory.c b/dlls/windowscodecs/clsfactory.c index ca4bf05..af3ce51 100644 --- a/dlls/windowscodecs/clsfactory.c +++ b/dlls/windowscodecs/clsfactory.c @@ -44,6 +44,7 @@ typedef struct { static classinfo wic_classes[] = { {&CLSID_WICImagingFactory, ImagingFactory_CreateInstance}, {&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance}, + {&CLSID_WICPngDecoder, PngDecoder_CreateInstance}, {&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance}, {&CLSID_WICGifDecoder, GifDecoder_CreateInstance}, {&CLSID_WICIcoDecoder, IcoDecoder_CreateInstance}, diff --git a/dlls/windowscodecs/pngformat.c b/dlls/windowscodecs/pngformat.c new file mode 100644 index 0000000..47dfd72 --- /dev/null +++ b/dlls/windowscodecs/pngformat.c @@ -0,0 +1,250 @@ +/* + * Copyright 2009 Vincent Povirk for CodeWeavers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include "config.h" +#include "wine/port.h" + +#include <stdarg.h> + +#ifdef HAVE_PNG_H +#include <png.h> +#endif + +#define COBJMACROS + +#include "windef.h" +#include "winbase.h" +#include "objbase.h" +#include "wincodec.h" + +#include "wincodecs_private.h" + +#include "wine/debug.h" +#include "wine/library.h" + +WINE_DEFAULT_DEBUG_CHANNEL(wincodecs); + +#ifdef SONAME_LIBPNG + +static void *libpng_handle; +#define MAKE_FUNCPTR(f) static typeof(f) * p##f +MAKE_FUNCPTR(png_create_read_struct); +MAKE_FUNCPTR(png_create_info_struct); +#undef MAKE_FUNCPTR + +static void *load_libpng(void) +{ + if((libpng_handle = wine_dlopen(SONAME_LIBPNG, RTLD_NOW, NULL, 0)) != NULL) { + +#define LOAD_FUNCPTR(f) \ + if((p##f = wine_dlsym(libpng_handle, #f, NULL, 0)) == NULL) { \ + libpng_handle = NULL; \ + return NULL; \ + } + LOAD_FUNCPTR(png_create_read_struct); + LOAD_FUNCPTR(png_create_info_struct); + +#undef LOAD_FUNCPTR + } + return libpng_handle; +} + +typedef struct { + const IWICBitmapDecoderVtbl *lpVtbl; + LONG ref; +} PngDecoder; + +static HRESULT WINAPI PngDecoder_QueryInterface(IWICBitmapDecoder *iface, REFIID iid, + void **ppv) +{ + PngDecoder *This = (PngDecoder*)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 PngDecoder_AddRef(IWICBitmapDecoder *iface) +{ + PngDecoder *This = (PngDecoder*)iface; + ULONG ref = InterlockedIncrement(&This->ref); + + TRACE("(%p) refcount=%u\n", iface, ref); + + return ref; +} + +static ULONG WINAPI PngDecoder_Release(IWICBitmapDecoder *iface) +{ + PngDecoder *This = (PngDecoder*)iface; + ULONG ref = InterlockedDecrement(&This->ref); + + TRACE("(%p) refcount=%u\n", iface, ref); + + if (ref == 0) + { + HeapFree(GetProcessHeap(), 0, This); + } + + return ref; +} + +static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream, + DWORD *pdwCapability) +{ + FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_Initialize(IWICBitmapDecoder *iface, IStream *pIStream, + WICDecodeOptions cacheOptions) +{ + FIXME("(%p,%p,%x): stub\n", iface, pIStream, cacheOptions); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetContainerFormat(IWICBitmapDecoder *iface, + GUID *pguidContainerFormat) +{ + FIXME("(%p,%p): stub\n", iface, pguidContainerFormat); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetDecoderInfo(IWICBitmapDecoder *iface, + IWICBitmapDecoderInfo **ppIDecoderInfo) +{ + FIXME("(%p,%p): stub\n", iface, ppIDecoderInfo); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_CopyPalette(IWICBitmapDecoder *iface, + IWICPalette *pIPalette) +{ + FIXME("(%p,%p): stub\n", iface, pIPalette); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface, + IWICMetadataQueryReader **ppIMetadataQueryReader) +{ + FIXME("(%p,%p): stub\n", iface, ppIMetadataQueryReader); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetPreview(IWICBitmapDecoder *iface, + IWICBitmapSource **ppIBitmapSource) +{ + FIXME("(%p,%p): stub\n", iface, ppIBitmapSource); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetColorContexts(IWICBitmapDecoder *iface, + UINT cCount, IWICColorContext **ppIColorContexts, UINT *pcActualCount) +{ + FIXME("(%p,%u,%p,%p)\n", iface, cCount, ppIColorContexts, pcActualCount); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetThumbnail(IWICBitmapDecoder *iface, + IWICBitmapSource **ppIThumbnail) +{ + TRACE("(%p,%p)\n", iface, ppIThumbnail); + return WINCODEC_ERR_CODECNOTHUMBNAIL; +} + +static HRESULT WINAPI PngDecoder_GetFrameCount(IWICBitmapDecoder *iface, + UINT *pCount) +{ + FIXME("(%p,%p): stub\n", iface, pCount); + return E_NOTIMPL; +} + +static HRESULT WINAPI PngDecoder_GetFrame(IWICBitmapDecoder *iface, + UINT index, IWICBitmapFrameDecode **ppIBitmapFrame) +{ + FIXME("(%p,%u,%p): stub\n", iface, index, ppIBitmapFrame); + return E_NOTIMPL; +} + +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 +}; + +HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv) +{ + PngDecoder *This; + HRESULT ret; + + TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv); + + *ppv = NULL; + + if (pUnkOuter) return CLASS_E_NOAGGREGATION; + + if (!libpng_handle && !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; + + This->lpVtbl = &PngDecoder_Vtbl; + This->ref = 1; + + ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv); + IUnknown_Release((IUnknown*)This); + + return ret; +} + +#else /* !HAVE_PNG_H */ + +HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv) +{ + ERR("Trying to load PNG picture, but PNG supported not compiled in.\n"); + return E_FAIL; +} + +#endif diff --git a/dlls/windowscodecs/regsvr.c b/dlls/windowscodecs/regsvr.c index 2ee1a89..12ef7d8 100644 --- a/dlls/windowscodecs/regsvr.c +++ b/dlls/windowscodecs/regsvr.c @@ -735,6 +735,12 @@ static struct regsvr_coclass const coclass_list[] = { "windowscodecs.dll", "Apartment" }, + { &CLSID_WICPngDecoder, + "WIC PNG Decoder", + NULL, + "windowscodecs.dll", + "Apartment" + }, { &CLSID_WICBmpEncoder, "WIC BMP Encoder", NULL, diff --git a/dlls/windowscodecs/wincodecs_private.h b/dlls/windowscodecs/wincodecs_private.h index e03b6c4..de719d2 100644 --- a/dlls/windowscodecs/wincodecs_private.h +++ b/dlls/windowscodecs/wincodecs_private.h @@ -22,6 +22,7 @@ extern HRESULT FormatConverter_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv); extern HRESULT ImagingFactory_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv); extern HRESULT BmpDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv); +extern HRESULT PngDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv); extern HRESULT BmpEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv); extern HRESULT GifDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv); extern HRESULT IcoDecoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv);