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