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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkImageDecoder.h"
#include "SkMovie.h"
#include "SkStream.h"
extern SkImageDecoder* SkImageDecoder_GIF_Factory(SkStream*);
extern SkImageDecoder* SkImageDecoder_BMP_Factory(SkStream*);
extern SkImageDecoder* SkImageDecoder_ICO_Factory(SkStream*);
extern SkImageDecoder* SkImageDecoder_PNG_Factory(SkStream*);
extern SkImageDecoder* SkImageDecoder_WBMP_Factory(SkStream*);
extern SkImageDecoder* SkImageDecoder_JPEG_Factory(SkStream*);
typedef SkImageDecoder* (*SkImageDecoderFactoryProc)(SkStream*);
struct CodecFormat {
SkImageDecoderFactoryProc fProc;
SkImageDecoder::Format fFormat;
};
static const CodecFormat gPairs[] = {
#if 0
{ SkImageDecoder_GIF_Factory, SkImageDecoder::kGIF_Format },
{ SkImageDecoder_PNG_Factory, SkImageDecoder::kPNG_Format },
{ SkImageDecoder_ICO_Factory, SkImageDecoder::kICO_Format },
{ SkImageDecoder_WBMP_Factory, SkImageDecoder::kWBMP_Format },
{ SkImageDecoder_BMP_Factory, SkImageDecoder::kBMP_Format },
{ SkImageDecoder_JPEG_Factory, SkImageDecoder::kJPEG_Format }
#endif
};
SkImageDecoder* SkImageDecoder::Factory(SkStream* stream) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
SkImageDecoder* codec = gPairs[i].fProc(stream);
stream->rewind();
if (NULL != codec) {
return codec;
}
}
return NULL;
}
bool SkImageDecoder::SupportsFormat(Format format) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
if (gPairs[i].fFormat == format) {
return true;
}
}
return false;
}
/////////////////////////////////////////////////////////////////////////
typedef SkMovie* (*SkMovieFactoryProc)(SkStream*);
extern SkMovie* SkMovie_GIF_Factory(SkStream*);
static const SkMovieFactoryProc gMovieProcs[] = {
#if 0
SkMovie_GIF_Factory
#endif
};
SkMovie* SkMovie::DecodeStream(SkStream* stream) {
for (unsigned i = 0; i < SK_ARRAY_COUNT(gMovieProcs); i++) {
SkMovie* movie = gMovieProcs[i](stream);
if (NULL != movie) {
return movie;
}
stream->rewind();
}
return NULL;
}
/////////////////////////////////////////////////////////////////////////
extern SkImageEncoder* SkImageEncoder_JPEG_Factory();
extern SkImageEncoder* SkImageEncoder_PNG_Factory();
SkImageEncoder* SkImageEncoder::Create(Type t) {
switch (t) {
#if 0
case kJPEG_Type:
return SkImageEncoder_JPEG_Factory();
case kPNG_Type:
return SkImageEncoder_PNG_Factory();
#endif
default:
return NULL;
}
}
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