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Bug 1331857 - Create class BasicRenderingContext2D. r=gwright
This commit is contained in:
Kevin Chen
parent
d8a07d33fc
commit
3f7720742d
201
dom/canvas/BasicRenderingContext2D.h
Normal file
201
dom/canvas/BasicRenderingContext2D.h
Normal file
@ -0,0 +1,201 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef BasicRenderingContext2D_h
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#define BasicRenderingContext2D_h
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#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
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namespace mozilla {
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namespace dom {
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class HTMLImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap;
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typedef HTMLImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap
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CanvasImageSource;
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/*
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* BasicRenderingContext2D
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*/
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class BasicRenderingContext2D
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{
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public:
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//
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// CanvasState
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//
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virtual void Save() = 0;
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virtual void Restore() = 0;
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//
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// CanvasTransform
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//
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virtual void Scale(double aX, double aY, mozilla::ErrorResult& aError) = 0;
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virtual void Rotate(double aAngle, mozilla::ErrorResult& aError) = 0;
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virtual void Translate(double aX,
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double aY,
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mozilla::ErrorResult& aError) = 0;
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virtual void Transform(double aM11,
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double aM12,
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double aM21,
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double aM22,
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double aDx,
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double aDy,
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mozilla::ErrorResult& aError) = 0;
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virtual void SetTransform(double aM11,
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double aM12,
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double aM21,
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double aM22,
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double aDx,
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double aDy,
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mozilla::ErrorResult& aError) = 0;
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virtual void ResetTransform(mozilla::ErrorResult& aError) = 0;
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//
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// CanvasCompositing
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//
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virtual double GlobalAlpha() = 0;
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virtual void SetGlobalAlpha(double aGlobalAlpha) = 0;
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virtual void GetGlobalCompositeOperation(nsAString& aOp,
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mozilla::ErrorResult& aError) = 0;
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virtual void SetGlobalCompositeOperation(const nsAString& aOp,
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mozilla::ErrorResult& aError) = 0;
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//
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// CanvasImageSmoothing
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//
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virtual bool ImageSmoothingEnabled() = 0;
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virtual void SetImageSmoothingEnabled(bool aImageSmoothingEnabled) = 0;
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//
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// CanvasFillStrokeStyles
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//
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virtual void GetStrokeStyle(
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OwningStringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void SetStrokeStyle(
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const StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void GetFillStyle(
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OwningStringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void SetFillStyle(
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const StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual already_AddRefed<CanvasGradient> CreateLinearGradient(double aX0,
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double aY0,
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double aX1,
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double aY1) = 0;
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virtual already_AddRefed<CanvasGradient> CreateRadialGradient(
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double aX0,
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double aY0,
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double aR0,
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double aX1,
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double aY1,
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double aR1,
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ErrorResult& aError) = 0;
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virtual already_AddRefed<CanvasPattern> CreatePattern(
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const CanvasImageSource& aElement,
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const nsAString& aRepeat,
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ErrorResult& aError) = 0;
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//
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// CanvasShadowStyles
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//
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virtual double ShadowOffsetX() = 0;
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virtual void SetShadowOffsetX(double aShadowOffsetX) = 0;
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virtual double ShadowOffsetY() = 0;
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virtual void SetShadowOffsetY(double aShadowOffsetY) = 0;
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virtual double ShadowBlur() = 0;
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virtual void SetShadowBlur(double aShadowBlur) = 0;
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virtual void GetShadowColor(nsAString& aShadowColor) = 0;
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virtual void SetShadowColor(const nsAString& aShadowColor) = 0;
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//
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// CanvasRect
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//
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virtual void ClearRect(double aX, double aY, double aW, double aH) = 0;
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virtual void FillRect(double aX, double aY, double aW, double aH) = 0;
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virtual void StrokeRect(double aX, double aY, double aW, double aH) = 0;
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//
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// CanvasDrawImage
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//
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virtual void DrawImage(const CanvasImageSource& aImage,
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double aDx,
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double aDy,
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mozilla::ErrorResult& aError) = 0;
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virtual void DrawImage(const CanvasImageSource& aImage,
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double aDx,
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double aDy,
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double aDw,
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double aDh,
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mozilla::ErrorResult& aError) = 0;
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virtual void DrawImage(const CanvasImageSource& aImage,
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double aSx,
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double aSy,
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double aSw,
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double aSh,
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double aDx,
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double aDy,
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double aDw,
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double aDh,
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mozilla::ErrorResult& aError) = 0;
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//
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// CanvasPathDrawingStyles
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//
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virtual double LineWidth() = 0;
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virtual void SetLineWidth(double aWidth) = 0;
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virtual void GetLineCap(nsAString& aLinecapStyle) = 0;
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virtual void SetLineCap(const nsAString& aLinecapStyle) = 0;
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virtual void GetLineJoin(nsAString& aLinejoinStyle,
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mozilla::ErrorResult& aError) = 0;
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virtual void SetLineJoin(const nsAString& aLinejoinStyle) = 0;
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virtual double MiterLimit() = 0;
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virtual void SetMiterLimit(double aMiter) = 0;
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virtual void SetLineDash(const Sequence<double>& aSegments,
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mozilla::ErrorResult& aRv) = 0;
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virtual void GetLineDash(nsTArray<double>& aSegments) const = 0;
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virtual void SetLineDashOffset(double aOffset) = 0;
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virtual double LineDashOffset() const = 0;
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//
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// CanvasPath
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//
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virtual void ClosePath() = 0;
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virtual void MoveTo(double aX, double aY) = 0;
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virtual void LineTo(double aX, double aY) = 0;
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virtual void QuadraticCurveTo(double aCpx,
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double aCpy,
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double aX,
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double aY) = 0;
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virtual void BezierCurveTo(double aCp1x,
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double aCp1y,
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double aCp2x,
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double aCp2y,
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double aX,
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double aY) = 0;
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virtual void ArcTo(double aX1,
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double aY1,
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double aX2,
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double aY2,
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double aRadius,
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mozilla::ErrorResult& aError) = 0;
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virtual void Rect(double aX, double aY, double aW, double aH) = 0;
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virtual void Arc(double aX,
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double aY,
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double aRadius,
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double aStartAngle,
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double aEndAngle,
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bool aAnticlockwise,
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mozilla::ErrorResult& aError) = 0;
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virtual void Ellipse(double aX,
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double aY,
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double aRadiusX,
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double aRadiusY,
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double aRotation,
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double aStartAngle,
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double aEndAngle,
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bool aAnticlockwise,
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ErrorResult& aError) = 0;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* BasicRenderingContext2D_h */
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@ -15,6 +15,7 @@
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#include "mozilla/dom/HTMLVideoElement.h"
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#include "gfxTextRun.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BasicRenderingContext2D.h"
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#include "mozilla/dom/CanvasGradient.h"
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#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
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#include "mozilla/dom/CanvasPattern.h"
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@ -61,7 +62,8 @@ class CanvasShutdownObserver;
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**/
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class CanvasRenderingContext2D final :
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public nsICanvasRenderingContextInternal,
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public nsWrapperCache
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public nsWrapperCache,
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public BasicRenderingContext2D
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{
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virtual ~CanvasRenderingContext2D();
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@ -80,18 +82,18 @@ public:
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return mCanvasElement->GetOriginalCanvas();
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}
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void Save();
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void Restore();
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void Scale(double aX, double aY, mozilla::ErrorResult& aError);
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void Rotate(double aAngle, mozilla::ErrorResult& aError);
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void Translate(double aX, double aY, mozilla::ErrorResult& aError);
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void Transform(double aM11, double aM12, double aM21, double aM22, double aDx,
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double aDy, mozilla::ErrorResult& aError);
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void SetTransform(double aM11, double aM12, double aM21, double aM22, double aDx,
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double aDy, mozilla::ErrorResult& aError);
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void ResetTransform(mozilla::ErrorResult& aError);
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void Save() override;
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void Restore() override;
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void Scale(double aX, double aY, mozilla::ErrorResult& aError) override;
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void Rotate(double aAngle, mozilla::ErrorResult& aError) override;
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void Translate(double aX, double aY, mozilla::ErrorResult& aError) override;
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void Transform(double aM11, double aM12, double aM21, double aM22,
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double aDx, double aDy, mozilla::ErrorResult& aError) override;
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void SetTransform(double aM11, double aM12, double aM21, double aM22,
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double aDx, double aDy, mozilla::ErrorResult& aError) override;
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void ResetTransform(mozilla::ErrorResult& aError) override;
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double GlobalAlpha()
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double GlobalAlpha() override
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{
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return CurrentState().globalAlpha;
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}
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@ -99,79 +101,85 @@ public:
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// Useful for silencing cast warnings
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static mozilla::gfx::Float ToFloat(double aValue) { return mozilla::gfx::Float(aValue); }
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void SetGlobalAlpha(double aGlobalAlpha)
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void SetGlobalAlpha(double aGlobalAlpha) override
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{
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if (aGlobalAlpha >= 0.0 && aGlobalAlpha <= 1.0) {
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CurrentState().globalAlpha = ToFloat(aGlobalAlpha);
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}
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}
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void GetGlobalCompositeOperation(nsAString& aOp, mozilla::ErrorResult& aError);
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void GetGlobalCompositeOperation(nsAString& aOp,
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mozilla::ErrorResult& aError) override;
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void SetGlobalCompositeOperation(const nsAString& aOp,
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mozilla::ErrorResult& aError);
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mozilla::ErrorResult& aError) override;
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void GetStrokeStyle(OwningStringOrCanvasGradientOrCanvasPattern& aValue)
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void
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GetStrokeStyle(OwningStringOrCanvasGradientOrCanvasPattern& aValue) override
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{
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GetStyleAsUnion(aValue, Style::STROKE);
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}
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void SetStrokeStyle(const StringOrCanvasGradientOrCanvasPattern& aValue)
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void
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SetStrokeStyle(const StringOrCanvasGradientOrCanvasPattern& aValue) override
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{
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SetStyleFromUnion(aValue, Style::STROKE);
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}
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void GetFillStyle(OwningStringOrCanvasGradientOrCanvasPattern& aValue)
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void
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GetFillStyle(OwningStringOrCanvasGradientOrCanvasPattern& aValue) override
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{
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GetStyleAsUnion(aValue, Style::FILL);
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}
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void SetFillStyle(const StringOrCanvasGradientOrCanvasPattern& aValue)
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void
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SetFillStyle(const StringOrCanvasGradientOrCanvasPattern& aValue) override
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{
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SetStyleFromUnion(aValue, Style::FILL);
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}
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already_AddRefed<CanvasGradient>
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CreateLinearGradient(double aX0, double aY0, double aX1, double aY1);
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CreateLinearGradient(double aX0, double aY0, double aX1, double aY1) override;
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already_AddRefed<CanvasGradient>
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CreateRadialGradient(double aX0, double aY0, double aR0, double aX1, double aY1,
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double aR1, ErrorResult& aError);
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CreateRadialGradient(double aX0, double aY0, double aR0,
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double aX1, double aY1, double aR1,
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ErrorResult& aError) override;
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already_AddRefed<CanvasPattern>
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CreatePattern(const CanvasImageSource& aElement,
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const nsAString& aRepeat, ErrorResult& aError);
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const nsAString& aRepeat, ErrorResult& aError) override;
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double ShadowOffsetX()
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double ShadowOffsetX() override
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{
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return CurrentState().shadowOffset.x;
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}
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void SetShadowOffsetX(double aShadowOffsetX)
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void SetShadowOffsetX(double aShadowOffsetX) override
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{
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CurrentState().shadowOffset.x = ToFloat(aShadowOffsetX);
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}
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double ShadowOffsetY()
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double ShadowOffsetY() override
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{
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return CurrentState().shadowOffset.y;
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}
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void SetShadowOffsetY(double aShadowOffsetY)
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void SetShadowOffsetY(double aShadowOffsetY) override
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{
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CurrentState().shadowOffset.y = ToFloat(aShadowOffsetY);
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}
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double ShadowBlur()
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double ShadowBlur() override
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{
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return CurrentState().shadowBlur;
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}
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void SetShadowBlur(double aShadowBlur)
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void SetShadowBlur(double aShadowBlur) override
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{
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if (aShadowBlur >= 0.0) {
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CurrentState().shadowBlur = ToFloat(aShadowBlur);
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}
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}
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void GetShadowColor(nsAString& aShadowColor)
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void GetShadowColor(nsAString& aShadowColor) override
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{
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StyleColorToString(CurrentState().shadowColor, aShadowColor);
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}
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@ -181,11 +189,11 @@ public:
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aFilter = CurrentState().filterString;
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}
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void SetShadowColor(const nsAString& aShadowColor);
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void SetShadowColor(const nsAString& aShadowColor) override;
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void SetFilter(const nsAString& aFilter, mozilla::ErrorResult& aError);
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void ClearRect(double aX, double aY, double aW, double aH);
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void FillRect(double aX, double aY, double aW, double aH);
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void StrokeRect(double aX, double aY, double aW, double aH);
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void ClearRect(double aX, double aY, double aW, double aH) override;
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void FillRect(double aX, double aY, double aW, double aH) override;
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void StrokeRect(double aX, double aY, double aW, double aH) override;
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void BeginPath();
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void Fill(const CanvasWindingRule& aWinding);
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void Fill(const CanvasPath& aPath, const CanvasWindingRule& aWinding);
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@ -212,22 +220,22 @@ public:
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void RemoveHitRegion(const nsAString& aId);
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void ClearHitRegions();
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void DrawImage(const CanvasImageSource& aImage,
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double aDx, double aDy, mozilla::ErrorResult& aError)
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void DrawImage(const CanvasImageSource& aImage, double aDx, double aDy,
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mozilla::ErrorResult& aError) override
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{
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DrawImage(aImage, 0.0, 0.0, 0.0, 0.0, aDx, aDy, 0.0, 0.0, 0, aError);
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}
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void DrawImage(const CanvasImageSource& aImage,
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double aDx, double aDy, double aDw, double aDh,
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mozilla::ErrorResult& aError)
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void DrawImage(const CanvasImageSource& aImage, double aDx, double aDy,
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double aDw, double aDh, mozilla::ErrorResult& aError) override
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{
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DrawImage(aImage, 0.0, 0.0, 0.0, 0.0, aDx, aDy, aDw, aDh, 2, aError);
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}
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void DrawImage(const CanvasImageSource& aImage,
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double aSx, double aSy, double aSw, double aSh, double aDx,
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double aDy, double aDw, double aDh, mozilla::ErrorResult& aError)
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double aSx, double aSy, double aSw, double aSh,
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double aDx, double aDy, double aDw, double aDh,
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mozilla::ErrorResult& aError) override
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{
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DrawImage(aImage, aSx, aSy, aSw, aSh, aDx, aDy, aDw, aDh, 6, aError);
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}
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@ -248,28 +256,29 @@ public:
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double aDirtyWidth, double aDirtyHeight,
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mozilla::ErrorResult& aError);
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double LineWidth()
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double LineWidth() override
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{
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return CurrentState().lineWidth;
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}
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void SetLineWidth(double aWidth)
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void SetLineWidth(double aWidth) override
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{
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if (aWidth > 0.0) {
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CurrentState().lineWidth = ToFloat(aWidth);
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}
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}
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void GetLineCap(nsAString& aLinecapStyle);
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void SetLineCap(const nsAString& aLinecapStyle);
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void GetLineJoin(nsAString& aLinejoinStyle, mozilla::ErrorResult& aError);
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void SetLineJoin(const nsAString& aLinejoinStyle);
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void GetLineCap(nsAString& aLinecapStyle) override;
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void SetLineCap(const nsAString& aLinecapStyle) override;
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void GetLineJoin(nsAString& aLinejoinStyle,
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mozilla::ErrorResult& aError) override;
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void SetLineJoin(const nsAString& aLinejoinStyle) override;
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double MiterLimit()
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double MiterLimit() override
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{
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return CurrentState().miterLimit;
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}
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void SetMiterLimit(double aMiter)
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void SetMiterLimit(double aMiter) override
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{
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if (aMiter > 0.0) {
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CurrentState().miterLimit = ToFloat(aMiter);
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@ -287,7 +296,7 @@ public:
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void GetTextBaseline(nsAString& aTextBaseline);
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void SetTextBaseline(const nsAString& aTextBaseline);
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void ClosePath()
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void ClosePath() override
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{
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EnsureWritablePath();
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@ -298,7 +307,7 @@ public:
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}
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}
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void MoveTo(double aX, double aY)
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void MoveTo(double aX, double aY) override
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{
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EnsureWritablePath();
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||||
|
||||
@ -310,14 +319,14 @@ public:
|
||||
}
|
||||
}
|
||||
|
||||
void LineTo(double aX, double aY)
|
||||
void LineTo(double aX, double aY) override
|
||||
{
|
||||
EnsureWritablePath();
|
||||
|
||||
LineTo(mozilla::gfx::Point(ToFloat(aX), ToFloat(aY)));
|
||||
}
|
||||
|
||||
void QuadraticCurveTo(double aCpx, double aCpy, double aX, double aY)
|
||||
void QuadraticCurveTo(double aCpx, double aCpy, double aX, double aY) override
|
||||
{
|
||||
EnsureWritablePath();
|
||||
|
||||
@ -333,7 +342,8 @@ public:
|
||||
}
|
||||
}
|
||||
|
||||
void BezierCurveTo(double aCp1x, double aCp1y, double aCp2x, double aCp2y, double aX, double aY)
|
||||
void BezierCurveTo(double aCp1x, double aCp1y, double aCp2x, double aCp2y,
|
||||
double aX, double aY) override
|
||||
{
|
||||
EnsureWritablePath();
|
||||
|
||||
@ -342,14 +352,15 @@ public:
|
||||
mozilla::gfx::Point(ToFloat(aX), ToFloat(aY)));
|
||||
}
|
||||
|
||||
void ArcTo(double aX1, double aY1, double aX2, double aY2, double aRadius,
|
||||
mozilla::ErrorResult& aError);
|
||||
void Rect(double aX, double aY, double aW, double aH);
|
||||
void ArcTo(double aX1, double aY1, double aX2, double aY2,
|
||||
double aRadius, mozilla::ErrorResult& aError) override;
|
||||
void Rect(double aX, double aY, double aW, double aH) override;
|
||||
void Arc(double aX, double aY, double aRadius, double aStartAngle,
|
||||
double aEndAngle, bool aAnticlockwise, mozilla::ErrorResult& aError);
|
||||
double aEndAngle, bool aAnticlockwise,
|
||||
mozilla::ErrorResult& aError) override;
|
||||
void Ellipse(double aX, double aY, double aRadiusX, double aRadiusY,
|
||||
double aRotation, double aStartAngle, double aEndAngle,
|
||||
bool aAnticlockwise, ErrorResult& aError);
|
||||
bool aAnticlockwise, ErrorResult& aError) override;
|
||||
|
||||
void GetMozCurrentTransform(JSContext* aCx,
|
||||
JS::MutableHandle<JSObject*> aResult,
|
||||
@ -367,11 +378,11 @@ public:
|
||||
void SetFillRule(const nsAString& aFillRule);
|
||||
|
||||
void SetLineDash(const Sequence<double>& aSegments,
|
||||
mozilla::ErrorResult& aRv);
|
||||
void GetLineDash(nsTArray<double>& aSegments) const;
|
||||
mozilla::ErrorResult& aRv) override;
|
||||
void GetLineDash(nsTArray<double>& aSegments) const override;
|
||||
|
||||
void SetLineDashOffset(double aOffset);
|
||||
double LineDashOffset() const;
|
||||
void SetLineDashOffset(double aOffset) override;
|
||||
double LineDashOffset() const override;
|
||||
|
||||
void GetMozTextStyle(nsAString& aMozTextStyle)
|
||||
{
|
||||
@ -384,12 +395,12 @@ public:
|
||||
SetFont(aMozTextStyle, aError);
|
||||
}
|
||||
|
||||
bool ImageSmoothingEnabled()
|
||||
bool ImageSmoothingEnabled() override
|
||||
{
|
||||
return CurrentState().imageSmoothingEnabled;
|
||||
}
|
||||
|
||||
void SetImageSmoothingEnabled(bool aImageSmoothingEnabled)
|
||||
void SetImageSmoothingEnabled(bool aImageSmoothingEnabled) override
|
||||
{
|
||||
if (aImageSmoothingEnabled != CurrentState().imageSmoothingEnabled) {
|
||||
CurrentState().imageSmoothingEnabled = aImageSmoothingEnabled;
|
||||
|
||||
@ -55,6 +55,7 @@ EXPORTS.mozilla.ipc += [
|
||||
]
|
||||
|
||||
EXPORTS.mozilla.dom += [
|
||||
'BasicRenderingContext2D.h',
|
||||
'CanvasGradient.h',
|
||||
'CanvasPath.h',
|
||||
'CanvasPattern.h',
|
||||
|
||||
Loading…
Reference in New Issue
Block a user