/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkCodecImageGenerator_DEFINED
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#define SkCodecImageGenerator_DEFINED
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#include "SkCodec.h"
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#include "SkData.h"
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#include "SkImageGenerator.h"
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class SkCodecImageGenerator : public SkImageGenerator {
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public:
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/*
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* If this data represents an encoded image that we know how to decode,
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* return an SkCodecImageGenerator. Otherwise return nullptr.
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*/
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static std::unique_ptr<SkImageGenerator> MakeFromEncodedCodec(sk_sp<SkData>);
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static std::unique_ptr<SkImageGenerator> MakeFromCodec(std::unique_ptr<SkCodec>);
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protected:
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sk_sp<SkData> onRefEncodedData() override;
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bool onGetPixels(
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const SkImageInfo& info, void* pixels, size_t rowBytes, const Options& opts) override;
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bool onQueryYUVA8(
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SkYUVASizeInfo*, SkYUVAIndex[SkYUVAIndex::kIndexCount], SkYUVColorSpace*) const override;
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bool onGetYUVA8Planes(const SkYUVASizeInfo&, const SkYUVAIndex[SkYUVAIndex::kIndexCount],
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void* planes[]) override;
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private:
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/*
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* Takes ownership of codec
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*/
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SkCodecImageGenerator(std::unique_ptr<SkCodec>, sk_sp<SkData>);
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std::unique_ptr<SkCodec> fCodec;
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sk_sp<SkData> fData;
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typedef SkImageGenerator INHERITED;
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};
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#endif // SkCodecImageGenerator_DEFINED
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