| /* |
| * 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/SkEncodedImageFormat.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkTypes.h" |
| |
| #include <cstddef> |
| #include <memory> |
| |
| class SkDngImage; |
| class SkStream; |
| struct SkImageInfo; |
| |
| /* |
| * |
| * 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; |
| |
| using INHERITED = SkCodec; |
| }; |
| |
| #endif |