CanvasRenderingContext2D class

Annotations
  • DomName('CanvasRenderingContext2D')
Implements

Instance Properties

canvas CanvasElement
read-only
currentTransform Matrix
read / write
direction String
read / write
fillStyle Object
read / write
font String
read / write
globalAlpha num
read / write
globalCompositeOperation String
read / write
imageSmoothingEnabled bool
read / write
lineCap String
read / write
lineDashOffset num
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
read / write
textAlign String
read / write
textBaseline String
read / write
backingStorePixelRatio double
read-only

Instance Methods

addHitRegion([Map options]) → void
beginPath() → void
clearHitRegions() → void
clearRect(num x, num y, num width, num height) → void
clip([path_OR_winding, String winding]) → void
createImageData(num sw, num sh) → ImageData
createImageDataFromImageData(ImageData imagedata) → ImageData
createLinearGradient(num x0, num y0, num x1, num y1) → CanvasGradient
createPattern(canvas_OR_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(element_OR_path, [Element element]) → void
fill([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
getContextAttributes() → Canvas2DContextAttributes
getImageData(num sx, num sy, num sw, num sh) → ImageData
isContextLost() → bool
isPointInPath(path_OR_x, num x_OR_y, [winding_OR_y, String winding]) → bool
isPointInStroke(path_OR_x, num x_OR_y, [num y]) → bool
measureText(String text) → TextMetrics
putImageData(ImageData imagedata, num dx, num dy, [num dirtyX, num dirtyY, num dirtyWidth, num dirtyHeight]) → 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
setLineDash(List<num> dash) → void
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
arcTo(num x1, num y1, num x2, num y2, num radius) → void
bezierCurveTo(num cp1x, num cp1y, num cp2x, num cp2y, num x, num y) → void
closePath() → void
ellipse(num x, num y, num radiusX, num radiusY, num rotation, num startAngle, num endAngle, bool anticlockwise) → void
lineTo(num x, num y) → void
moveTo(num x, num y) → void
quadraticCurveTo(num cpx, num cpy, num x, num y) → void
rect(num x, num y, num width, num height) → void
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.
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.
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.
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.
arc(num x, num y, num radius, num startAngle, num endAngle, [bool anticlockwise = false]) → void
drawImageToRect(CanvasImageSource source, Rectangle destRect, {Rectangle sourceRect}) → void
Draws an image from a CanvasImageSource to an area of this canvas.
drawImage(CanvasImageSource source, num destX, num destY) → void
Draws an image from a CanvasImageSource to this canvas.
drawImageScaled(CanvasImageSource source, num destX, num destY, num destWidth, num destHeight) → void
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
Draws an image from a CanvasImageSource to an area of this canvas.
getLineDash() → List<num>