PaintRenderingContext2D

class PaintRenderingContext2D extends JavaScriptObject

Annotations: @Native.new("PaintRenderingContext2D")

Properties

currentTransform read / write

Matrix? get currentTransform

Implementation

Matrix? get currentTransform native;

set currentTransform(Matrix? value) native;

fillStyle read / write

Object? get fillStyle

Implementation

Object? get fillStyle native;

set fillStyle(Object? value) native;

filter read / write

String? get filter

Implementation

String? get filter native;

set filter(String? value) native;

globalAlpha read / write

num? get globalAlpha

Implementation

num? get globalAlpha native;

set globalAlpha(num? value) native;

globalCompositeOperation read / write

String? get globalCompositeOperation

Implementation

String? get globalCompositeOperation native;

set globalCompositeOperation(String? value) native;

hashCode no setter inherited

int get hashCode

Inherited from Interceptor.

Implementation

int get hashCode => Primitives.objectHashCode(this);

imageSmoothingEnabled read / write

bool? get imageSmoothingEnabled

Implementation

bool? get imageSmoothingEnabled native;

set imageSmoothingEnabled(bool? value) native;

imageSmoothingQuality read / write

String? get imageSmoothingQuality

Implementation

String? get imageSmoothingQuality native;

set imageSmoothingQuality(String? value) native;

lineCap read / write

String? get lineCap

Implementation

String? get lineCap native;

set lineCap(String? value) native;

lineDashOffset read / write

num? get lineDashOffset

Implementation

num? get lineDashOffset native;

set lineDashOffset(num? value) native;

lineJoin read / write

String? get lineJoin

Implementation

String? get lineJoin native;

set lineJoin(String? value) native;

lineWidth read / write

num? get lineWidth

Implementation

num? get lineWidth native;

set lineWidth(num? value) native;

miterLimit read / write

num? get miterLimit

Implementation

num? get miterLimit native;

set miterLimit(num? value) native;

runtimeType no setter inherited

Type get runtimeType

Inherited from Interceptor.

Implementation

Type get runtimeType =>
    getRuntimeTypeOfInterceptorNotArray(getInterceptor(this), this);

shadowBlur read / write

num? get shadowBlur

Implementation

num? get shadowBlur native;

set shadowBlur(num? value) native;

shadowColor read / write

String? get shadowColor

Implementation

String? get shadowColor native;

set shadowColor(String? value) native;

shadowOffsetX read / write

num? get shadowOffsetX

Implementation

num? get shadowOffsetX native;

set shadowOffsetX(num? value) native;

shadowOffsetY read / write

num? get shadowOffsetY

Implementation

num? get shadowOffsetY native;

set shadowOffsetY(num? value) native;

strokeStyle read / write

Object? get strokeStyle

Implementation

Object? get strokeStyle native;

set strokeStyle(Object? value) native;

Methods

arc()

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

Implementation

void arc(
  num x,
  num y,
  num radius,
  num startAngle,
  num endAngle,
  bool? anticlockwise,
) native;

arcTo()

void arcTo(num x1, num y1, num x2, num y2, num radius)

Implementation

void arcTo(num x1, num y1, num x2, num y2, num radius) native;

beginPath()

void beginPath()

Implementation

void beginPath() native;

bezierCurveTo()

void bezierCurveTo(num cp1x, num cp1y, num cp2x, num cp2y, num x, num y)

Implementation

void bezierCurveTo(
  num cp1x,
  num cp1y,
  num cp2x,
  num cp2y,
  num x,
  num y,
) native;

clearRect()

void clearRect(num x, num y, num width, num height)

Implementation

void clearRect(num x, num y, num width, num height) native;

clip()

void clip([dynamic path_OR_winding, String? winding])

Implementation

void clip([path_OR_winding, String? winding]) native;

closePath()

void closePath()

Implementation

void closePath() native;

createLinearGradient()

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

Implementation

CanvasGradient createLinearGradient(num x0, num y0, num x1, num y1) native;

createPattern()

CanvasPattern? createPattern(dynamic image, String repetitionType)

Implementation

CanvasPattern? createPattern(
  /*CanvasImageSource*/ image,
  String repetitionType,
) native;

createRadialGradient()

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

Implementation

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

drawImage()

void 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,
])

Implementation

void drawImage(
  /*CanvasImageSource*/ 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,
]) native;

ellipse()

void ellipse(
  num x,
  num y,
  num radiusX,
  num radiusY,
  num rotation,
  num startAngle,
  num endAngle,
  bool? anticlockwise,
)

Implementation

void ellipse(
  num x,
  num y,
  num radiusX,
  num radiusY,
  num rotation,
  num startAngle,
  num endAngle,
  bool? anticlockwise,
) native;

fill()

void fill([dynamic path_OR_winding, String? winding])

Implementation

void fill([path_OR_winding, String? winding]) native;

fillRect()

void fillRect(num x, num y, num width, num height)

Implementation

void fillRect(num x, num y, num width, num height) native;

getLineDash()

List<num> getLineDash()

Implementation

List<num> getLineDash() native;

isPointInPath()

bool isPointInPath(
  dynamic path_OR_x,
  num x_OR_y, [
  dynamic winding_OR_y,
  String? winding,
])

Implementation

bool isPointInPath(
  path_OR_x,
  num x_OR_y, [
  winding_OR_y,
  String? winding,
]) native;

isPointInStroke()

bool isPointInStroke(dynamic path_OR_x, num x_OR_y, [num? y])

Implementation

bool isPointInStroke(path_OR_x, num x_OR_y, [num? y]) native;

lineTo()

void lineTo(num x, num y)

Implementation

void lineTo(num x, num y) native;

moveTo()

void moveTo(num x, num y)

Implementation

void moveTo(num x, num y) native;

noSuchMethod() inherited

dynamic noSuchMethod(Invocation invocation)

Invoked when a nonexistent method or property is accessed.

A dynamic member invocation can attempt to call a member which doesn't exist on the receiving object. Example:

dynamic object = 1;
object.add(42); // Statically allowed, run-time error

This invalid code will invoke the noSuchMethod method of the integer 1 with an Invocation representing the .add(42) call and arguments (which then throws).

Classes can override noSuchMethod to provide custom behavior for such invalid dynamic invocations.

A class with a non-default noSuchMethod invocation can also omit implementations for members of its interface. Example:

class MockList<T> implements List<T> {
  noSuchMethod(Invocation invocation) {
    log(invocation);
    super.noSuchMethod(invocation); // Will throw.
  }
}
void main() {
  MockList().add(42);
}

This code has no compile-time warnings or errors even though the MockList class has no concrete implementation of any of the List interface methods. Calls to List methods are forwarded to noSuchMethod, so this code will log an invocation similar to Invocation.method(#add, [42]) and then throw.

If a value is returned from noSuchMethod, it becomes the result of the original invocation. If the value is not of a type that can be returned by the original invocation, a type error occurs at the invocation.

The default behavior is to throw a NoSuchMethodError.

Inherited from Interceptor.

Implementation

dynamic noSuchMethod(Invocation invocation) {
  throw NoSuchMethodError.withInvocation(this, invocation);
}

quadraticCurveTo()

void quadraticCurveTo(num cpx, num cpy, num x, num y)

Implementation

void quadraticCurveTo(num cpx, num cpy, num x, num y) native;

rect()

void rect(num x, num y, num width, num height)

Implementation

void rect(num x, num y, num width, num height) native;

resetTransform()

void resetTransform()

Implementation

void resetTransform() native;

restore()

void restore()

Implementation

void restore() native;

rotate()

void rotate(num angle)

Implementation

void rotate(num angle) native;

save()

void save()

Implementation

void save() native;

scale()

void scale(num x, num y)

Implementation

void scale(num x, num y) native;

setLineDash()

void setLineDash(List<num> dash)

Implementation

void setLineDash(List<num> dash) native;

setTransform()

void setTransform(num a, num b, num c, num d, num e, num f)

Implementation

void setTransform(num a, num b, num c, num d, num e, num f) native;

stroke()

void stroke([Path2D? path])

Implementation

void stroke([Path2D? path]) native;

strokeRect()

void strokeRect(num x, num y, num width, num height)

Implementation

void strokeRect(num x, num y, num width, num height) native;

toString() inherited

String toString()

A string representation of this object.

Some classes have a default textual representation, often paired with a static parse function (like int.parse). These classes will provide the textual representation as their string representation.

Other classes have no meaningful textual representation that a program will care about. Such classes will typically override toString to provide useful information when inspecting the object, mainly for debugging or logging.

Inherited from Interceptor.

Implementation

String toString() => Primitives.objectToHumanReadableString(this);

transform()

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

Implementation

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

translate()

void translate(num x, num y)

Implementation

void translate(num x, num y) native;

Operators

operator ==() inherited

bool operator ==(Object other)

The equality operator.

The default behavior for all Objects is to return true if and only if this object and other are the same object.

Override this method to specify a different equality relation on a class. The overriding method must still be an equivalence relation. That is, it must be:

• Total: It must return a boolean for all arguments. It should never throw.

• Reflexive: For all objects o, o == o must be true.

• Symmetric: For all objects o1 and o2, o1 == o2 and o2 == o1 must either both be true, or both be false.

• Transitive: For all objects o1, o2, and o3, if o1 == o2 and o2 == o3 are true, then o1 == o3 must be true.

The method should also be consistent over time, so whether two objects are equal should only change if at least one of the objects was modified.

If a subclass overrides the equality operator, it should override the hashCode method as well to maintain consistency.

Inherited from Interceptor.

Implementation

bool operator ==(Object other) => identical(this, other);