/*
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* Copyright 2016 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 SkRawCodec_DEFINED
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#define SkRawCodec_DEFINED
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#include "SkCodec.h"
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#include "SkColorSpace.h"
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#include "SkImageInfo.h"
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#include "SkTypes.h"
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class SkDngImage;
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class SkStream;
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/*
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*
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* This class implements the decoding for RAW images
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*
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*/
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class SkRawCodec : public SkCodec {
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public:
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/*
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* Creates a RAW decoder
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* Takes ownership of the stream
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*/
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static std::unique_ptr<SkCodec> MakeFromStream(std::unique_ptr<SkStream>, Result*);
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~SkRawCodec() override;
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protected:
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Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes, const Options&,
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int*) override;
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SkEncodedImageFormat onGetEncodedFormat() const override {
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return SkEncodedImageFormat::kDNG;
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}
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SkISize onGetScaledDimensions(float desiredScale) const override;
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bool onDimensionsSupported(const SkISize&) override;
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// SkCodec only applies the colorXform if it's necessary for color space
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// conversion. SkRawCodec will always convert, so tell SkCodec not to.
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bool usesColorXform() const override { return false; }
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private:
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/*
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* Creates an instance of the decoder
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* Called only by NewFromStream, takes ownership of dngImage.
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*/
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SkRawCodec(SkDngImage* dngImage);
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std::unique_ptr<SkDngImage> fDngImage;
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typedef SkCodec INHERITED;
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};
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#endif
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