зеркало из https://github.com/mozilla/gecko-dev.git
164 строки
6.7 KiB
C++
164 строки
6.7 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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#include "mozilla/dom/DOMMatrix.h"
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namespace mozilla {
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namespace dom {
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class
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HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap;
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typedef HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap
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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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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, double aY,
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mozilla::ErrorResult& aError) = 0;
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virtual void Transform(double aM11, double aM12, double aM21, double aM22,
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double aDx, double aDy,
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mozilla::ErrorResult& aError) = 0;
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virtual already_AddRefed<DOMMatrix> GetTransform(
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mozilla::ErrorResult& aError) = 0;
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virtual void SetTransform(double aM11, double aM12, double aM21, double aM22,
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double aDx, double aDy,
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mozilla::ErrorResult& aError) = 0;
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virtual void SetTransform(const DOMMatrix2DInit& aInit,
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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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OwningUTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void SetStrokeStyle(
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const UTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void GetFillStyle(
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OwningUTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
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virtual void SetFillStyle(
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const UTF8StringOrCanvasGradientOrCanvasPattern& 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, double aY0, double aR0, double aX1, double aY1, double aR1,
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ErrorResult& aError) = 0;
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virtual already_AddRefed<CanvasGradient> CreateConicGradient(double aAngle,
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double aCx,
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double aCy) = 0;
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virtual already_AddRefed<CanvasPattern> CreatePattern(
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const CanvasImageSource& aElement, 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(nsACString& aShadowColor) = 0;
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virtual void SetShadowColor(const nsACString& 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, double aDx,
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double aDy, mozilla::ErrorResult& aError) = 0;
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virtual void DrawImage(const CanvasImageSource& aImage, double aDx,
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double aDy, double aDw, double aDh,
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mozilla::ErrorResult& aError) = 0;
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virtual void DrawImage(const CanvasImageSource& aImage, double aSx,
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double aSy, double aSw, double aSh, double aDx,
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double aDy, double aDw, 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, double aCpy, double aX,
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double aY) = 0;
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virtual void BezierCurveTo(double aCp1x, double aCp1y, double aCp2x,
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double aCp2y, double aX, double aY) = 0;
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virtual void ArcTo(double aX1, double aY1, double aX2, double aY2,
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double aRadius, 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, double aY, double aRadius, double aStartAngle,
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double aEndAngle, bool aAnticlockwise,
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mozilla::ErrorResult& aError) = 0;
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virtual void Ellipse(double aX, double aY, double aRadiusX, double aRadiusY,
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double aRotation, double aStartAngle, double aEndAngle,
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bool aAnticlockwise, 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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