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/*
* Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2007 Alp Toker <alp@atoker.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_GRADIENT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_GRADIENT_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/common/privacy_budget/identifiable_token.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_color_interpolation_method.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_hue_interpolation_method.h"
#include "third_party/blink/renderer/modules/canvas/canvas2d/identifiability_study_helper.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/graphics/gradient.h"
#include "third_party/blink/renderer/platform/heap/forward.h" // IWYU pragma: keep (blink::Visitor)
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
// IWYU pragma: no_include "third_party/blink/renderer/platform/heap/visitor.h"
namespace gfx {
class PointF;
} // namespace gfx
namespace blink {
class ExceptionState;
class ExecutionContext;
class MODULES_EXPORT CanvasGradient final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
// Linear Gradient
CanvasGradient(const gfx::PointF& p0, const gfx::PointF& p1);
// Radial Gradient
CanvasGradient(const gfx::PointF& p0,
float r0,
const gfx::PointF& p1,
float r1);
// Conic Gradient
CanvasGradient(float startAngle, const gfx::PointF& center);
Gradient* GetGradient() const { return gradient_.get(); }
void addColorStop(double value, const String& color, ExceptionState&);
IdentifiableToken GetIdentifiableToken() const;
// Sets on internal IdentifiabilityStudyHelper.
void SetExecutionContext(ExecutionContext*);
void Trace(Visitor* visitor) const override;
V8ColorInterpolationMethod colorInterpolationMethod() const {
return color_interpolation_method_;
}
void setColorInterpolationMethod(
const V8ColorInterpolationMethod& color_interpolation_method);
V8HueInterpolationMethod hueInterpolationMethod() const {
return hue_interpolation_method_;
}
void setHueInterpolationMethod(
const V8HueInterpolationMethod& hue_interpolation_method);
bool premultipliedAlpha() const { return premultiplied_alpha_; }
void setPremultipliedAlpha(bool premultiplied_alpha) {
premultiplied_alpha_ = premultiplied_alpha;
gradient_->SetPremultipliedAlphaForInterpolation(premultiplied_alpha);
}
private:
scoped_refptr<Gradient> gradient_;
IdentifiabilityStudyHelper identifiability_study_helper_;
V8ColorInterpolationMethod color_interpolation_method_{
V8ColorInterpolationMethod::Enum::kSRGB};
V8HueInterpolationMethod hue_interpolation_method_{
V8HueInterpolationMethod::Enum::kShorter};
bool premultiplied_alpha_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_GRADIENT_H_
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