SkSGDraw.h

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/*
 * Copyright 2017 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef SkSGDraw_DEFINED
#define SkSGDraw_DEFINED
 
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "modules/sksg/include/SkSGGeometryNode.h"
#include "modules/sksg/include/SkSGPaint.h"
#include "modules/sksg/include/SkSGRenderNode.h"
 
#include <utility>
 
class SkCanvas;
class SkMatrix;
struct SkPoint;
 
namespace sksg {
class InvalidationController;
 
/**
 * Concrete rendering node.
 *
 * Wraps and draws a [geometry, paint] tuple.
 *
 * Think Skia SkCanvas::drawFoo(foo, paint) calls.
 */
class Draw : public RenderNode {
public:
    static sk_sp<Draw> Make(sk_sp<GeometryNode> geo, sk_sp<PaintNode> paint) {
        return (geo && paint) ? sk_sp<Draw>(new Draw(std::move(geo), std::move(paint))) : nullptr;
    }
 
protected:
    Draw(sk_sp<GeometryNode>, sk_sp<PaintNode> paint);
    ~Draw() override;
 
    void onRender(SkCanvas*, const RenderContext*) const override;
    const RenderNode* onNodeAt(const SkPoint&)     const override;
 
    SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
 
private:
    sk_sp<GeometryNode> fGeometry;
    sk_sp<PaintNode>    fPaint;
 
    using INHERITED = RenderNode;
};
 
} // namespace sksg
 
#endif // SkSGDraw_DEFINED