dart:html
CanvasRenderingContext2D class
- Implemented types
-
- Annotations
- @Native("CanvasRenderingContext2D")
Properties
- backingStorePixelRatio → double
read-only
- Deprecated always returns 1.0
- canvas → CanvasElement
final
- currentTransform ↔ Matrix
read / write
- direction ↔ String
read / write
- fillStyle ↔ Object
@Creates('String|CanvasGradient|CanvasPattern'), @Returns('String|CanvasGradient|CanvasPattern'), read / write
- filter ↔ String
read / write
- font ↔ String
read / write
- globalAlpha ↔ num
read / write
- globalCompositeOperation ↔ String
read / write
- imageSmoothingEnabled ↔ bool
read / write
- Whether images and patterns on this canvas will be smoothed when this canvas is scaled. [...]
- imageSmoothingQuality ↔ String
read / write
- lineCap ↔ String
read / write
- lineDashOffset ↔ num
@SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.IE, '11'), @SupportedBrowser(SupportedBrowser.SAFARI), @Unstable(), read / write
- lineJoin ↔ String
read / write
- lineWidth ↔ num
read / write
- miterLimit ↔ num
read / write
- shadowBlur ↔ num
read / write
- shadowColor ↔ String
read / write
- shadowOffsetX ↔ num
read / write
- shadowOffsetY ↔ num
read / write
- strokeStyle ↔ Object
@Creates('String|CanvasGradient|CanvasPattern'), @Returns('String|CanvasGradient|CanvasPattern'), read / write
- textAlign ↔ String
read / write
- textBaseline ↔ String
read / write
- hashCode → int
read-only, inherited
- The hash code for this object. [...]
- runtimeType → Type
read-only, inherited
- A representation of the runtime type of the object.
Methods
- addHitRegion([Map options ]) → void
- arc(num x, num y, num radius, num startAngle, num endAngle, [ bool anticlockwise = false ]) → void
- arcTo(num x1, num y1, num x2, num y2, num radius) → void
- beginPath() → void
- bezierCurveTo(num cp1x, num cp1y, num cp2x, num cp2y, num x, num y) → void
- clearHitRegions() → void
- clearRect(num x, num y, num width, num height) → void
- clip([dynamic path_OR_winding, String winding ]) → void
- closePath() → void
- createImageData(dynamic data_OR_imagedata_OR_sw, [ int sh_OR_sw, dynamic imageDataColorSettings_OR_sh, Map imageDataColorSettings ]) → ImageData
@Creates('ImageData|=Object')
- createImageDataFromImageData(ImageData imagedata) → ImageData
- createLinearGradient(num x0, num y0, num x1, num y1) → CanvasGradient
- createPattern(Object image, String repetitionType) → CanvasPattern
- createPatternFromImage(ImageElement image, String repetitionType) → CanvasPattern
- createRadialGradient(num x0, num y0, num r0, num x1, num y1, num r1) → CanvasGradient
- drawFocusIfNeeded(dynamic element_OR_path, [ Element element ]) → void
- drawImage(CanvasImageSource source, num destX, num destY) → void
@JSName('drawImage')
- Draws an image from a CanvasImageSource to this canvas. [...]
- drawImageScaled(CanvasImageSource source, num destX, num destY, num destWidth, num destHeight) → void
@JSName('drawImage')
- Draws an image from a CanvasImageSource to an area of this canvas. [...]
- drawImageScaledFromSource(CanvasImageSource source, num sourceX, num sourceY, num sourceWidth, num sourceHeight, num destX, num destY, num destWidth, num destHeight) → void
@JSName('drawImage')
- Draws an image from a CanvasImageSource to an area of this canvas. [...]
- drawImageToRect(CanvasImageSource source, Rectangle<num> destRect, { Rectangle<num> sourceRect }) → void
- Draws an image from a CanvasImageSource to an area of this canvas. [...]
- ellipse(num x, num y, num radiusX, num radiusY, num rotation, num startAngle, num endAngle, bool anticlockwise) → void
- fill([dynamic path_OR_winding, String winding ]) → void
- fillRect(num x, num y, num width, num height) → void
- fillText(String text, num x, num y, [ num maxWidth ]) → void
- Draws text to the canvas. [...]
- getContextAttributes() → Map
- getImageData(int sx, int sy, int sw, int sh) → ImageData
@Creates('ImageData|=Object')
- getLineDash() → List<num>
@SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.IE, '11'), @SupportedBrowser(SupportedBrowser.SAFARI), @Unstable()
- isContextLost() → bool
- isPointInPath(dynamic path_OR_x, num x_OR_y, [ dynamic winding_OR_y, String winding ]) → bool
- isPointInStroke(dynamic path_OR_x, num x_OR_y, [ num y ]) → bool
- lineTo(num x, num y) → void
- measureText(String text) → TextMetrics
- moveTo(num x, num y) → void
- putImageData(ImageData imagedata, int dx, int dy, [ int dirtyX, int dirtyY, int dirtyWidth, int dirtyHeight ]) → void
- quadraticCurveTo(num cpx, num cpy, num x, num y) → void
- rect(num x, num y, num width, num height) → void
- removeHitRegion(String id) → void
- resetTransform() → void
- restore() → void
- rotate(num angle) → void
- save() → void
- scale(num x, num y) → void
- scrollPathIntoView([Path2D path ]) → void
- setFillColorHsl(int h, num s, num l, [ num a = 1 ]) → void
- Sets the color used inside shapes.
h is in degrees, 0-360. s, l are in percent, 0-100. a is 0-1. - setFillColorRgb(int r, int g, int b, [ num a = 1 ]) → void
- Sets the color used inside shapes.
r, g, b are 0-255, a is 0-1. - setLineDash(List<num> dash) → void
@SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.IE, '11'), @SupportedBrowser(SupportedBrowser.SAFARI), @Unstable()
- setStrokeColorHsl(int h, num s, num l, [ num a = 1 ]) → void
- Sets the color used for stroking shapes.
h is in degrees, 0-360. s, l are in percent, 0-100. a is 0-1. - setStrokeColorRgb(int r, int g, int b, [ num a = 1 ]) → void
- Sets the color used for stroking shapes.
r, g, b are 0-255, a is 0-1. - setTransform(num a, num b, num c, num d, num e, num f) → void
- stroke([Path2D path ]) → void
- strokeRect(num x, num y, num width, num height) → void
- strokeText(String text, num x, num y, [ num maxWidth ]) → void
- transform(num a, num b, num c, num d, num e, num f) → void
- translate(num x, num y) → void
- noSuchMethod(Invocation invocation) → dynamic
inherited
- Invoked when a non-existent method or property is accessed. [...]
- toString() → String
inherited
- Returns a string representation of this object.
Operators
- operator ==(dynamic other) → bool
inherited
- The equality operator. [...]