skia2/experimental/svg/model/SkSVGGradient.h
Florin Malita df007e1a7a [SVGDom] Factor out common gradient logic
In preparation of radial gradient support, move common logic into an
abstract base class (SkSVGGradient).

Change-Id: Ie5361048ca8fddd9070c573c8daef0d0f57dc95e
Reviewed-on: https://skia-review.googlesource.com/57108
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2017-10-09 19:36:44 +00:00

50 lines
1.5 KiB
C++

/*
* 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 "SkShader.h"
#include "SkSVGHiddenContainer.h"
#include "SkSVGTypes.h"
class SkMatrix;
class SkSVGRenderContext;
class SkSVGGradient : public SkSVGHiddenContainer {
public:
~SkSVGGradient() override = default;
void setHref(const SkSVGStringType&);
void setGradientTransform(const SkSVGTransformType&);
void setSpreadMethod(const SkSVGSpreadMethod&);
protected:
explicit SkSVGGradient(SkSVGTag t) : INHERITED(t) {}
void onSetAttribute(SkSVGAttribute, const SkSVGValue&) override;
bool onAsPaint(const SkSVGRenderContext&, SkPaint*) const final;
virtual sk_sp<SkShader> onMakeShader(const SkSVGRenderContext&,
const SkColor*, const SkScalar*, int count,
SkShader::TileMode, const SkMatrix& localMatrix) const = 0;
private:
using StopPositionArray = SkSTArray<2, SkScalar, true>;
using StopColorArray = SkSTArray<2, SkColor, true>;
void collectColorStops(const SkSVGRenderContext&, StopPositionArray*, StopColorArray*) const;
SkSVGStringType fHref;
SkSVGTransformType fGradientTransform = SkSVGTransformType(SkMatrix::I());
SkSVGSpreadMethod fSpreadMethod = SkSVGSpreadMethod(SkSVGSpreadMethod::Type::kPad);
typedef SkSVGHiddenContainer INHERITED;
};
#endif // SkSVGGradient_DEFINED