注解

• @Native("OffscreenCanvasRenderingContext2D")

属性

canvas → OffscreenCanvas?

无设置器

direction ↔ String?

getter/setter 对

fillStyle ↔ Object?

getter/setter 对

filter ↔ String?

getter/setter 对

font ↔ String?

getter/setter 对

globalAlpha ↔ num?

getter/setter 对

globalCompositeOperation ↔ String?

getter/setter 对

hashCode → int

此对象的哈希码。

无设置器继承

imageSmoothingEnabled ↔ bool?

getter/setter 对

imageSmoothingQuality ↔ String?

getter/setter 对

lineCap ↔ String?

getter/setter 对

lineDashOffset ↔ num?

getter/setter 对

lineJoin ↔ String?

getter/setter 对

lineWidth ↔ num?

getter/setter 对

miterLimit ↔ num?

getter/setter 对

runtimeType → Type

对象运行时类型的表示。

无设置器继承

shadowBlur ↔ num?

getter/setter 对

shadowColor ↔ String?

getter/setter 对

shadowOffsetX ↔ num?

getter/setter 对

shadowOffsetY ↔ num?

getter/setter 对

strokeStyle ↔ Object?

getter/setter 对

textAlign ↔ String?

getter/setter 对

textBaseline ↔ String?

getter/setter 对

方法

arc(Number x, Number y, Number radius, Number startAngle, Number endAngle, bool? anticlockwise) → void

arcTo(Number x1, Number y1, Number x2, Number y2, Number radius) → void

beginPath() → void

bezierCurveTo(Number cp1x, Number cp1y, Number cp2x, Number cp2y, Number x, Number y) → void

clearRect(Number x, Number y, Number width, Number height) → void

clip([Path2D? path]) → void

closePath() → void

commit() → Future

createImageData(dynamic data_OR_imagedata_OR_sw, [int? sh_OR_sw, dynamic imageDataColorSettings_OR_sh, Map? imageDataColorSettings]) → ImageData

createLinearGradient(num x0, num y0, num x1, num y1) → CanvasGradient

createPattern(dynamic image, String repetitionType) → CanvasPattern?

createRadialGradient(num x0, num y0, num r0, num x1, num y1, num r1) → CanvasGradient

drawImage(dynamic image, num sx_OR_x, num sy_OR_y, [num? sw_OR_width, num? height_OR_sh, num? dx, num? dy, num? dw, num? dh]) → void

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

getImageData(int sx, int sy, int sw, int sh) → ImageData

getLineDash() → List<num>

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

noSuchMethod(Invocation invocation) → dynamic

当访问不存在的方法或属性时调用。

继承

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

resetTransform() → void

restore() → void

rotate(num angle) → void

save() → void

scale(num x, num y) → 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

toString() → String

此对象的字符串表示。

继承

transform(num a, num b, num c, num d, num e, num f) → void

translate(num x, num y) → void

运算符

operator ==(Object other) → bool

等于运算符。

继承