CanvasRenderingContext2D class
- Implemented types
-
- Annotations
- @Native("CanvasRenderingContext2D")
Properties
-
backingStorePixelRatio
→ double
-
Deprecated always returns 1.0
read-only
-
canvas
→ CanvasElement
-
read-only, override
-
currentTransform
↔ dynamic
-
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
-
Whether images and patterns on this canvas will be smoothed when this
canvas is scaled. [...]
read / write
-
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
-
The hash code for this object. [...]
read-only, inherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
read-only, inherited
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
-
Draws an image from a CanvasImageSource to this canvas. [...]
@JSName('drawImage')
-
drawImageScaled(CanvasImageSource source, num destX, num destY, num destWidth, num destHeight)
→ void
-
Draws an image from a CanvasImageSource to an area of this canvas. [...]
@JSName('drawImage')
-
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. [...]
@JSName('drawImage')
-
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
-
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toString()
→ String
-
Returns a string representation of this object.
inherited