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/*
* Copyright 2009 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 "SkImageEncoder.h"
#include "SkBitmap.h"
#include "SkPixelSerializer.h"
#include "SkPixmap.h"
#include "SkStream.h"
#include "SkTemplates.h"
SkImageEncoder::~SkImageEncoder() {}
bool SkImageEncoder::encodeStream(SkWStream* stream, const SkBitmap& bm,
int quality) {
quality = SkMin32(100, SkMax32(0, quality));
return this->onEncode(stream, bm, quality);
}
bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm,
int quality) {
quality = SkMin32(100, SkMax32(0, quality));
SkFILEWStream stream(file);
return this->onEncode(&stream, bm, quality);
}
SkData* SkImageEncoder::encodeData(const SkBitmap& bm, int quality) {
SkDynamicMemoryWStream stream;
quality = SkMin32(100, SkMax32(0, quality));
if (this->onEncode(&stream, bm, quality)) {
return stream.detachAsData().release();
}
return nullptr;
}
bool SkImageEncoder::EncodeFile(const char file[], const SkBitmap& bm, Type t,
int quality) {
SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
return enc.get() && enc.get()->encodeFile(file, bm, quality);
}
bool SkImageEncoder::EncodeStream(SkWStream* stream, const SkBitmap& bm, Type t,
int quality) {
SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
return enc.get() && enc.get()->encodeStream(stream, bm, quality);
}
SkData* SkImageEncoder::EncodeData(const SkBitmap& bm, Type t, int quality) {
SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
return enc.get() ? enc.get()->encodeData(bm, quality) : nullptr;
}
SkData* SkImageEncoder::EncodeData(const SkImageInfo& info, const void* pixels, size_t rowBytes,
Type t, int quality) {
SkBitmap bm;
if (!bm.installPixels(info, const_cast<void*>(pixels), rowBytes)) {
return nullptr;
}
bm.setImmutable();
return SkImageEncoder::EncodeData(bm, t, quality);
}
SkData* SkImageEncoder::EncodeData(const SkPixmap& pixmap,
Type t, int quality) {
SkBitmap bm;
if (!bm.installPixels(pixmap)) {
return nullptr;
}
bm.setImmutable();
return SkImageEncoder::EncodeData(bm, t, quality);
}
namespace {
class ImageEncoderPixelSerializer final : public SkPixelSerializer {
protected:
bool onUseEncodedData(const void*, size_t) override { return true; }
SkData* onEncode(const SkPixmap& pmap) override {
return SkImageEncoder::EncodeData(pmap, SkImageEncoder::kPNG_Type, 100);
}
};
} // namespace
SkPixelSerializer* SkImageEncoder::CreatePixelSerializer() {
return new ImageEncoderPixelSerializer;
}
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