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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 "SkBitmap.h"
#include "SkImage.h"
#include "SkImageDecoder.h"
#include "SkImageEncoder.h"
#include "SkMovie.h"
#include "SkPixelSerializer.h"
#include "SkStream.h"
class SkColorTable;
class SkPngChunkReader;
// Empty implementations for SkImageDecoder.
SkImageDecoder::SkImageDecoder() {}
SkImageDecoder::~SkImageDecoder() {}
SkImageDecoder* SkImageDecoder::Factory(SkStreamRewindable*) {
return nullptr;
}
void SkImageDecoder::copyFieldsToOther(SkImageDecoder* ) {}
bool SkImageDecoder::DecodeFile(const char[], SkBitmap*, SkColorType, Mode, Format*) {
return false;
}
SkImageDecoder::Result SkImageDecoder::decode(SkStream*, SkBitmap*, SkColorType, Mode) {
return kFailure;
}
bool SkImageDecoder::DecodeStream(SkStreamRewindable*, SkBitmap*, SkColorType, Mode, Format*) {
return false;
}
bool SkImageDecoder::DecodeMemory(const void*, size_t, SkBitmap*, SkColorType, Mode, Format*) {
return false;
}
bool SkImageDecoder::decodeYUV8Planes(SkStream*, SkISize[3], void*[3],
size_t[3], SkYUVColorSpace*) {
return false;
}
SkImageDecoder::Format SkImageDecoder::getFormat() const {
return kUnknown_Format;
}
SkImageDecoder::Format SkImageDecoder::GetStreamFormat(SkStreamRewindable*) {
return kUnknown_Format;
}
const char* SkImageDecoder::GetFormatName(Format) {
return nullptr;
}
SkPngChunkReader* SkImageDecoder::setPeeker(SkPngChunkReader*) {
return nullptr;
}
SkBitmap::Allocator* SkImageDecoder::setAllocator(SkBitmap::Allocator*) {
return nullptr;
}
void SkImageDecoder::setSampleSize(int) {}
bool SkImageDecoder::allocPixelRef(SkBitmap*, SkColorTable*) const {
return false;
}
/////////////////////////////////////////////////////////////////////////
// Empty implementation for SkMovie.
SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
return nullptr;
}
/////////////////////////////////////////////////////////////////////////
// Empty implementations for SkImageEncoder.
SkImageEncoder* SkImageEncoder::Create(Type t) {
return nullptr;
}
bool SkImageEncoder::EncodeFile(const char file[], const SkBitmap&, Type, int quality) {
return false;
}
bool SkImageEncoder::EncodeStream(SkWStream*, const SkBitmap&, SkImageEncoder::Type, int) {
return false;
}
SkData* SkImageEncoder::EncodeData(const SkBitmap&, Type, int quality) {
return nullptr;
}
SkData* SkImageEncoder::EncodeData(const SkImageInfo&, const void* pixels, size_t rowBytes,
Type, int quality) {
return nullptr;
}
SkData* SkImageEncoder::EncodeData(const SkPixmap&, Type, int) {
return nullptr;
}
bool SkImageEncoder::encodeStream(SkWStream*, const SkBitmap&, int) {
return false;
}
SkData* SkImageEncoder::encodeData(const SkBitmap&, int) {
return nullptr;
}
bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm, int quality) {
return false;
}
namespace {
class ImageEncoderPixelSerializer final : public SkPixelSerializer {
protected:
bool onUseEncodedData(const void*, size_t) override { return true; }
SkData* onEncode(const SkPixmap&) override { return nullptr; }
};
} // namespace
SkPixelSerializer* SkImageEncoder::CreatePixelSerializer() {
return new ImageEncoderPixelSerializer;
}
/////////////////////////////////////////////////////////////////////////
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