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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef BasicRenderingContext2D_h
#define BasicRenderingContext2D_h
#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
#include "mozilla/dom/DOMMatrix.h"
namespace mozilla::dom {
class
HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrOffscreenCanvasOrImageBitmap;
typedef HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrOffscreenCanvasOrImageBitmap
CanvasImageSource;
/*
* BasicRenderingContext2D
*/
class BasicRenderingContext2D {
public:
//
// CanvasState
//
virtual void Save() = 0;
virtual void Restore() = 0;
//
// CanvasTransform
//
virtual void Scale(double aX, double aY, mozilla::ErrorResult& aError) = 0;
virtual void Rotate(double aAngle, mozilla::ErrorResult& aError) = 0;
virtual void Translate(double aX, double aY,
mozilla::ErrorResult& aError) = 0;
virtual void Transform(double aM11, double aM12, double aM21, double aM22,
double aDx, double aDy,
mozilla::ErrorResult& aError) = 0;
virtual already_AddRefed<DOMMatrix> GetTransform(
mozilla::ErrorResult& aError) = 0;
virtual void SetTransform(double aM11, double aM12, double aM21, double aM22,
double aDx, double aDy,
mozilla::ErrorResult& aError) = 0;
virtual void SetTransform(const DOMMatrix2DInit& aInit,
mozilla::ErrorResult& aError) = 0;
virtual void ResetTransform(mozilla::ErrorResult& aError) = 0;
//
// CanvasCompositing
//
virtual double GlobalAlpha() = 0;
virtual void SetGlobalAlpha(double aGlobalAlpha) = 0;
virtual void GetGlobalCompositeOperation(nsAString& aOp,
mozilla::ErrorResult& aError) = 0;
virtual void SetGlobalCompositeOperation(const nsAString& aOp,
mozilla::ErrorResult& aError) = 0;
//
// CanvasImageSmoothing
//
virtual bool ImageSmoothingEnabled() = 0;
virtual void SetImageSmoothingEnabled(bool aImageSmoothingEnabled) = 0;
//
// CanvasFillStrokeStyles
//
virtual void GetStrokeStyle(
OwningUTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
virtual void SetStrokeStyle(
const UTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
virtual void GetFillStyle(
OwningUTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
virtual void SetFillStyle(
const UTF8StringOrCanvasGradientOrCanvasPattern& aValue) = 0;
virtual already_AddRefed<CanvasGradient> CreateLinearGradient(double aX0,
double aY0,
double aX1,
double aY1) = 0;
virtual already_AddRefed<CanvasGradient> CreateRadialGradient(
double aX0, double aY0, double aR0, double aX1, double aY1, double aR1,
ErrorResult& aError) = 0;
virtual already_AddRefed<CanvasGradient> CreateConicGradient(double aAngle,
double aCx,
double aCy) = 0;
virtual already_AddRefed<CanvasPattern> CreatePattern(
const CanvasImageSource& aElement, const nsAString& aRepeat,
ErrorResult& aError) = 0;
//
// CanvasShadowStyles
//
virtual double ShadowOffsetX() = 0;
virtual void SetShadowOffsetX(double aShadowOffsetX) = 0;
virtual double ShadowOffsetY() = 0;
virtual void SetShadowOffsetY(double aShadowOffsetY) = 0;
virtual double ShadowBlur() = 0;
virtual void SetShadowBlur(double aShadowBlur) = 0;
virtual void GetShadowColor(nsACString& aShadowColor) = 0;
virtual void SetShadowColor(const nsACString& aShadowColor) = 0;
//
// CanvasRect
//
virtual void ClearRect(double aX, double aY, double aW, double aH) = 0;
virtual void FillRect(double aX, double aY, double aW, double aH) = 0;
virtual void StrokeRect(double aX, double aY, double aW, double aH) = 0;
//
// CanvasDrawImage
//
virtual void DrawImage(const CanvasImageSource& aImage, double aDx,
double aDy, mozilla::ErrorResult& aError) = 0;
virtual void DrawImage(const CanvasImageSource& aImage, double aDx,
double aDy, double aDw, double aDh,
mozilla::ErrorResult& aError) = 0;
virtual void DrawImage(const CanvasImageSource& aImage, double aSx,
double aSy, double aSw, double aSh, double aDx,
double aDy, double aDw, double aDh,
mozilla::ErrorResult& aError) = 0;
//
// CanvasPathDrawingStyles
//
virtual double LineWidth() = 0;
virtual void SetLineWidth(double aWidth) = 0;
virtual void GetLineCap(nsAString& aLinecapStyle) = 0;
virtual void SetLineCap(const nsAString& aLinecapStyle) = 0;
virtual void GetLineJoin(nsAString& aLinejoinStyle,
mozilla::ErrorResult& aError) = 0;
virtual void SetLineJoin(const nsAString& aLinejoinStyle) = 0;
virtual double MiterLimit() = 0;
virtual void SetMiterLimit(double aMiter) = 0;
virtual void SetLineDash(const Sequence<double>& aSegments,
mozilla::ErrorResult& aRv) = 0;
virtual void GetLineDash(nsTArray<double>& aSegments) const = 0;
virtual void SetLineDashOffset(double aOffset) = 0;
virtual double LineDashOffset() const = 0;
//
// CanvasPath
//
virtual void ClosePath() = 0;
virtual void MoveTo(double aX, double aY) = 0;
virtual void LineTo(double aX, double aY) = 0;
virtual void QuadraticCurveTo(double aCpx, double aCpy, double aX,
double aY) = 0;
virtual void BezierCurveTo(double aCp1x, double aCp1y, double aCp2x,
double aCp2y, double aX, double aY) = 0;
virtual void ArcTo(double aX1, double aY1, double aX2, double aY2,
double aRadius, mozilla::ErrorResult& aError) = 0;
virtual void Rect(double aX, double aY, double aW, double aH) = 0;
virtual void Arc(double aX, double aY, double aRadius, double aStartAngle,
double aEndAngle, bool aAnticlockwise,
mozilla::ErrorResult& aError) = 0;
virtual void Ellipse(double aX, double aY, double aRadiusX, double aRadiusY,
double aRotation, double aStartAngle, double aEndAngle,
bool aAnticlockwise, ErrorResult& aError) = 0;
};
} // namespace mozilla::dom
#endif /* BasicRenderingContext2D_h */
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