pngformat.c (324214f9) pngformat.c (e98ef499)
1/*
2 * Copyright 2009 Vincent Povirk for CodeWeavers
3 * Copyright 2016 Dmitry Timoshkov
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.

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839{
840 TRACE("(%p,%p)\n", iface, palette);
841 return WINCODEC_ERR_PALETTEUNAVAILABLE;
842}
843
844static HRESULT WINAPI PngDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
845 IWICMetadataQueryReader **reader)
846{
1/*
2 * Copyright 2009 Vincent Povirk for CodeWeavers
3 * Copyright 2016 Dmitry Timoshkov
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.

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839{
840 TRACE("(%p,%p)\n", iface, palette);
841 return WINCODEC_ERR_PALETTEUNAVAILABLE;
842}
843
844static HRESULT WINAPI PngDecoder_GetMetadataQueryReader(IWICBitmapDecoder *iface,
845 IWICMetadataQueryReader **reader)
846{
847 FIXME("(%p,%p): stub\n", iface, reader);
847 TRACE("(%p,%p)\n", iface, reader);
848
849 if (!reader) return E_INVALIDARG;
850
851 *reader = NULL;
852 return WINCODEC_ERR_UNSUPPORTEDOPERATION;
853}
854
855static HRESULT WINAPI PngDecoder_GetPreview(IWICBitmapDecoder *iface,

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1056 {
1057 BYTE alpha = (i < num_trans) ? trans_alpha[i] : 0xff;
1058 palette[i] = (alpha << 24 |
1059 png_palette[i].red << 16|
1060 png_palette[i].green << 8|
1061 png_palette[i].blue);
1062 }
1063 }
848
849 if (!reader) return E_INVALIDARG;
850
851 *reader = NULL;
852 return WINCODEC_ERR_UNSUPPORTEDOPERATION;
853}
854
855static HRESULT WINAPI PngDecoder_GetPreview(IWICBitmapDecoder *iface,

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1056 {
1057 BYTE alpha = (i < num_trans) ? trans_alpha[i] : 0xff;
1058 palette[i] = (alpha << 24 |
1059 png_palette[i].red << 16|
1060 png_palette[i].green << 8|
1061 png_palette[i].blue);
1062 }
1063 }
1064 else if (color_type == PNG_COLOR_TYPE_GRAY) {
1064 else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth <= 8) {
1065 ret = ppng_get_tRNS(This->png_ptr, This->info_ptr, &trans_alpha, &num_trans, &trans_values);
1066
1067 if (!ret)
1068 {
1069 hr = WINCODEC_ERR_PALETTEUNAVAILABLE;
1070 goto end;
1071 }
1072

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1093
1094 return hr;
1095}
1096
1097static HRESULT WINAPI PngDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
1098 const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
1099{
1100 PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
1065 ret = ppng_get_tRNS(This->png_ptr, This->info_ptr, &trans_alpha, &num_trans, &trans_values);
1066
1067 if (!ret)
1068 {
1069 hr = WINCODEC_ERR_PALETTEUNAVAILABLE;
1070 goto end;
1071 }
1072

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1093
1094 return hr;
1095}
1096
1097static HRESULT WINAPI PngDecoder_Frame_CopyPixels(IWICBitmapFrameDecode *iface,
1098 const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
1099{
1100 PngDecoder *This = impl_from_IWICBitmapFrameDecode(iface);
1101 TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
1101 TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
1102
1103 return copy_pixels(This->bpp, This->image_bits,
1104 This->width, This->height, This->stride,
1105 prc, cbStride, cbBufferSize, pbBuffer);
1106}
1107
1108static HRESULT WINAPI PngDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
1109 IWICMetadataQueryReader **ppIMetadataQueryReader)

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1239 hr = StreamImpl_Create(&stream);
1240
1241 if (SUCCEEDED(hr))
1242 {
1243 hr = IWICStream_InitializeFromIStreamRegion(stream, This->stream,
1244 This->metadata_blocks[nIndex].ofs, This->metadata_blocks[nIndex].len);
1245
1246 if (SUCCEEDED(hr))
1102
1103 return copy_pixels(This->bpp, This->image_bits,
1104 This->width, This->height, This->stride,
1105 prc, cbStride, cbBufferSize, pbBuffer);
1106}
1107
1108static HRESULT WINAPI PngDecoder_Frame_GetMetadataQueryReader(IWICBitmapFrameDecode *iface,
1109 IWICMetadataQueryReader **ppIMetadataQueryReader)

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1239 hr = StreamImpl_Create(&stream);
1240
1241 if (SUCCEEDED(hr))
1242 {
1243 hr = IWICStream_InitializeFromIStreamRegion(stream, This->stream,
1244 This->metadata_blocks[nIndex].ofs, This->metadata_blocks[nIndex].len);
1245
1246 if (SUCCEEDED(hr))
1247 hr = ComponentFactory_CreateInstance(&IID_IWICComponentFactory, (void**)&factory);
1247 hr = ImagingFactory_CreateInstance(&IID_IWICComponentFactory, (void**)&factory);
1248
1249 if (SUCCEEDED(hr))
1250 {
1251 hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
1252 &GUID_ContainerFormatPng, NULL, WICMetadataCreationAllowUnknown,
1253 (IStream*)stream, &This->metadata_blocks[nIndex].reader);
1254
1255 IWICComponentFactory_Release(factory);

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1440
1441 opts[0].pstrName = (LPOLESTR)wszPngInterlaceOption;
1442 opts[0].vt = VT_BOOL;
1443 opts[1].pstrName = (LPOLESTR)wszPngFilterOption;
1444 opts[1].vt = VT_UI1;
1445
1446 if (pIEncoderOptions)
1447 {
1248
1249 if (SUCCEEDED(hr))
1250 {
1251 hr = IWICComponentFactory_CreateMetadataReaderFromContainer(factory,
1252 &GUID_ContainerFormatPng, NULL, WICMetadataCreationAllowUnknown,
1253 (IStream*)stream, &This->metadata_blocks[nIndex].reader);
1254
1255 IWICComponentFactory_Release(factory);

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1440
1441 opts[0].pstrName = (LPOLESTR)wszPngInterlaceOption;
1442 opts[0].vt = VT_BOOL;
1443 opts[1].pstrName = (LPOLESTR)wszPngFilterOption;
1444 opts[1].vt = VT_UI1;
1445
1446 if (pIEncoderOptions)
1447 {
1448 hr = IPropertyBag2_Read(pIEncoderOptions, sizeof(opts)/sizeof(opts[0]), opts, NULL, opt_values, opt_hres);
1448 hr = IPropertyBag2_Read(pIEncoderOptions, ARRAY_SIZE(opts), opts, NULL, opt_values, opt_hres);
1449
1450 if (FAILED(hr))
1451 return hr;
1452
1453 if (V_VT(&opt_values[0]) == VT_EMPTY)
1454 interlace = FALSE;
1455 else
1456 interlace = (V_BOOL(&opt_values[0]) != 0);

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1744 return S_OK;
1745}
1746
1747static HRESULT WINAPI PngFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
1748 IWICBitmapSource *pIBitmapSource, WICRect *prc)
1749{
1750 PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
1751 HRESULT hr;
1449
1450 if (FAILED(hr))
1451 return hr;
1452
1453 if (V_VT(&opt_values[0]) == VT_EMPTY)
1454 interlace = FALSE;
1455 else
1456 interlace = (V_BOOL(&opt_values[0]) != 0);

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1744 return S_OK;
1745}
1746
1747static HRESULT WINAPI PngFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
1748 IWICBitmapSource *pIBitmapSource, WICRect *prc)
1749{
1750 PngEncoder *This = impl_from_IWICBitmapFrameEncode(iface);
1751 HRESULT hr;
1752 TRACE("(%p,%p,%p)\n", iface, pIBitmapSource, prc);
1752 TRACE("(%p,%p,%s)\n", iface, pIBitmapSource, debug_wic_rect(prc));
1753
1754 if (!This->frame_initialized)
1755 return WINCODEC_ERR_WRONGSTATE;
1756
1757 hr = configure_write_source(iface, pIBitmapSource, prc,
1758 This->format ? This->format->guid : NULL, This->width, This->height,
1759 This->xres, This->yres);
1760

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1967 /* set up custom i/o handling */
1968 ppng_set_write_fn(This->png_ptr, This, user_write_data, user_flush);
1969
1970 LeaveCriticalSection(&This->lock);
1971
1972 return S_OK;
1973}
1974
1753
1754 if (!This->frame_initialized)
1755 return WINCODEC_ERR_WRONGSTATE;
1756
1757 hr = configure_write_source(iface, pIBitmapSource, prc,
1758 This->format ? This->format->guid : NULL, This->width, This->height,
1759 This->xres, This->yres);
1760

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1967 /* set up custom i/o handling */
1968 ppng_set_write_fn(This->png_ptr, This, user_write_data, user_flush);
1969
1970 LeaveCriticalSection(&This->lock);
1971
1972 return S_OK;
1973}
1974
1975static HRESULT WINAPI PngEncoder_GetContainerFormat(IWICBitmapEncoder *iface,
1976 GUID *pguidContainerFormat)
1975static HRESULT WINAPI PngEncoder_GetContainerFormat(IWICBitmapEncoder *iface, GUID *format)
1977{
1976{
1978 FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidContainerFormat));
1979 return E_NOTIMPL;
1977 TRACE("(%p,%p)\n", iface, format);
1978
1979 if (!format)
1980 return E_INVALIDARG;
1981
1982 memcpy(format, &GUID_ContainerFormatPng, sizeof(*format));
1983 return S_OK;
1980}
1981
1982static HRESULT WINAPI PngEncoder_GetEncoderInfo(IWICBitmapEncoder *iface, IWICBitmapEncoderInfo **info)
1983{
1984 IWICComponentInfo *comp_info;
1985 HRESULT hr;
1986
1987 TRACE("%p,%p\n", iface, info);

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2056 if (!This->stream)
2057 {
2058 LeaveCriticalSection(&This->lock);
2059 return WINCODEC_ERR_NOTINITIALIZED;
2060 }
2061
2062 if (ppIEncoderOptions)
2063 {
1984}
1985
1986static HRESULT WINAPI PngEncoder_GetEncoderInfo(IWICBitmapEncoder *iface, IWICBitmapEncoderInfo **info)
1987{
1988 IWICComponentInfo *comp_info;
1989 HRESULT hr;
1990
1991 TRACE("%p,%p\n", iface, info);

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2060 if (!This->stream)
2061 {
2062 LeaveCriticalSection(&This->lock);
2063 return WINCODEC_ERR_NOTINITIALIZED;
2064 }
2065
2066 if (ppIEncoderOptions)
2067 {
2064 hr = CreatePropertyBag2(opts, sizeof(opts)/sizeof(opts[0]), ppIEncoderOptions);
2068 hr = CreatePropertyBag2(opts, ARRAY_SIZE(opts), ppIEncoderOptions);
2065 if (FAILED(hr))
2066 {
2067 LeaveCriticalSection(&This->lock);
2068 return hr;
2069 }
2070 }
2071
2072 This->frame_count = 1;

--- 113 unchanged lines hidden --- 		2069 if (FAILED(hr))
2070 {
2071 LeaveCriticalSection(&This->lock);
2072 return hr;
2073 }
2074 }
2075
2076 This->frame_count = 1;

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