зеркало из https://github.com/mozilla/gecko-dev.git
202 строки
7.1 KiB
C++
202 строки
7.1 KiB
C++
/* 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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