SkSGImage.h

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/*
 * Copyright 2018 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef SkSGImage_DEFINED
#define SkSGImage_DEFINED
 
#include "include/core/SkImage.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "modules/sksg/include/SkSGNode.h"
#include "modules/sksg/include/SkSGRenderNode.h"
 
#include <utility>
 
class SkCanvas;
class SkMatrix;
struct SkPoint;
 
namespace sksg {
class InvalidationController;
 
/**
 * Concrete rendering node, wrapping an SkImage.
 *
 */
class Image final : public RenderNode {
public:
    static sk_sp<Image> Make(sk_sp<SkImage> image) {
        return sk_sp<Image>(new Image(std::move(image)));
    }
 
    SG_ATTRIBUTE(Image          , sk_sp<SkImage>   , fImage          )
    SG_ATTRIBUTE(SamplingOptions, SkSamplingOptions, fSamplingOptions)
    SG_ATTRIBUTE(AntiAlias      , bool             , fAntiAlias      )
 
protected:
    explicit Image(sk_sp<SkImage>);
 
    void onRender(SkCanvas*, const RenderContext*) const override;
    const RenderNode* onNodeAt(const SkPoint&)     const override;
 
    SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
 
private:
    SkSamplingOptions fSamplingOptions;
    sk_sp<SkImage>    fImage;
    bool              fAntiAlias = true;
 
    using INHERITED = RenderNode;
};
 
} // namespace sksg
 
#endif // SkSGImage_DEFINED