skia2/modules/svg/include/SkSVGGradient.h
Tyler Denniston 30e327e19e [svg] Rename gradient units type to object bounding box units
It turns out that "userSpaceOnUse | objectBoundingBox" can be specified
as the unit type for multiple elements, such as clips, masks, filters
etc. and is not specific to gradients.

The full list:
https://www.w3.org/TR/SVG11/coords.html#ObjectBoundingBoxUnits

Bug: skia:10842
Change-Id: I995d588862fb43b9f130f0455d7af8de47046af4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/330616
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Tyler Denniston <tdenniston@google.com>
2020-10-30 18:56:40 +00:00

56 lines
1.9 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 "include/core/SkShader.h"
#include "modules/svg/include/SkSVGHiddenContainer.h"
#include "modules/svg/include/SkSVGTypes.h"
class SkMatrix;
class SkSVGRenderContext;
class SkSVGStop;
class SkSVGGradient : public SkSVGHiddenContainer {
public:
~SkSVGGradient() override = default;
void setHref(const SkSVGStringType&);
void setGradientTransform(const SkSVGTransformType&);
void setSpreadMethod(const SkSVGSpreadMethod&);
void setGradientUnits(const SkSVGObjectBoundingBoxUnits&);
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,
SkTileMode, const SkMatrix& localMatrix) const = 0;
SkSVGObjectBoundingBoxUnits fGradientUnits =
SkSVGObjectBoundingBoxUnits(SkSVGObjectBoundingBoxUnits::Type::kObjectBoundingBox);
private:
using StopPositionArray = SkSTArray<2, SkScalar, true>;
using StopColorArray = SkSTArray<2, SkColor, true>;
void collectColorStops(const SkSVGRenderContext&, StopPositionArray*, StopColorArray*) const;
SkColor resolveStopColor(const SkSVGRenderContext&, const SkSVGStop&) const;
SkSVGStringType fHref;
SkSVGTransformType fGradientTransform = SkSVGTransformType(SkMatrix::I());
SkSVGSpreadMethod fSpreadMethod = SkSVGSpreadMethod(SkSVGSpreadMethod::Type::kPad);
using INHERITED = SkSVGHiddenContainer;
};
#endif // SkSVGGradient_DEFINED