98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
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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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#if 0
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#pragma makedep unix
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#endif
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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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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winternl.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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#ifdef SONAME_LIBPNG
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struct png_decoder
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{
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struct decoder decoder;
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};
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static inline struct png_decoder *impl_from_decoder(struct decoder* iface)
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{
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return CONTAINING_RECORD(iface, struct png_decoder, decoder);
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}
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void CDECL png_decoder_destroy(struct decoder* iface)
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{
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struct png_decoder *This = impl_from_decoder(iface);
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RtlFreeHeap(GetProcessHeap(), 0, This);
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}
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static const struct decoder_funcs png_decoder_vtable = {
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png_decoder_destroy
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};
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HRESULT CDECL png_decoder_create(struct decoder_info *info, struct decoder **result)
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{
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struct png_decoder *This;
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TRACE("\n");
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This = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*This));
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if (!This)
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{
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return E_OUTOFMEMORY;
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}
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This->decoder.vtable = &png_decoder_vtable;
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*result = &This->decoder;
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info->container_format = GUID_ContainerFormatPng;
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info->block_format = GUID_ContainerFormatPng;
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info->clsid = CLSID_WICPngDecoder;
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return S_OK;
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}
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#else
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HRESULT CDECL png_decoder_create(struct decoder_info *info, struct decoder **result)
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{
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ERR("Trying to load PNG picture, but PNG support is not compiled in.\n");
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return E_FAIL;
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}
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#endif
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