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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 SkSVGGradient_DEFINED
#define SkSVGGradient_DEFINED
#include "include/core/SkColor.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/private/base/SkAPI.h"
#include "include/private/base/SkTArray.h"
#include "modules/svg/include/SkSVGHiddenContainer.h"
#include "modules/svg/include/SkSVGNode.h"
#include "modules/svg/include/SkSVGTypes.h"
class SkPaint;
class SkSVGRenderContext;
class SkSVGStop;
class SkShader;
enum class SkTileMode;
class SK_API SkSVGGradient : public SkSVGHiddenContainer {
public:
SVG_ATTR(Href, SkSVGIRI, SkSVGIRI())
SVG_ATTR(GradientTransform, SkSVGTransformType, SkSVGTransformType(SkMatrix::I()))
SVG_ATTR(SpreadMethod, SkSVGSpreadMethod, SkSVGSpreadMethod(SkSVGSpreadMethod::Type::kPad))
SVG_ATTR(GradientUnits,
SkSVGObjectBoundingBoxUnits,
SkSVGObjectBoundingBoxUnits(SkSVGObjectBoundingBoxUnits::Type::kObjectBoundingBox))
protected:
explicit SkSVGGradient(SkSVGTag t) : INHERITED(t) {}
bool parseAndSetAttribute(const char*, const char*) override;
bool onAsPaint(const SkSVGRenderContext&, SkPaint*) const final;
virtual sk_sp<SkShader> onMakeShader(const SkSVGRenderContext&,
const SkColor4f*, const SkScalar*, int count,
SkTileMode, const SkMatrix& localMatrix) const = 0;
private:
using StopPositionArray = skia_private::STArray<2, SkScalar , true>;
using StopColorArray = skia_private::STArray<2, SkColor4f, true>;
void collectColorStops(const SkSVGRenderContext&, StopPositionArray*, StopColorArray*) const;
SkColor4f resolveStopColor(const SkSVGRenderContext&, const SkSVGStop&) const;
using INHERITED = SkSVGHiddenContainer;
};
#endif // SkSVGGradient_DEFINED
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