dojox/gfx/canvas.js

• Provides:

  • dojox.gfx.canvas

• Requires:

  • dojox.gfx._base in common
  • dojox.gfx.shape in common
  • dojox.gfx.path in common
  • dojox.gfx.arc in common
  • dojox.gfx.decompose in common

• dojox.gfx.canvas.Group

  • type

    Function

  • chains:
    • Container: (prototype)
    • dojox.gfx.shape.Creator: (prototype)
    • Creator: (prototype)
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.canvas.Shape: (call)
  • summary

    a group shape (Canvas), which can be used
    to logically group shapes (e.g, to propagate matricies)

• dojox.gfx.canvas.Surface

  • type

    Function

  • chains:
    • Container: (prototype)
    • dojox.gfx.shape.Creator: (prototype)
    • Creator: (prototype)
    • dojox.gfx.shape.Surface: (prototype)
    • dojox.gfx.shape.Surface: (call)
  • summary

    a surface object to be used for drawings (Canvas)

• dojox.gfx.canvas.Shape

  • type

    Function

  • chains:
    • dojox.gfx.shape.Shape: (prototype)
    • dojox.gfx.shape.Shape: (call)

• dojox.gfx.canvas.Shape._render

  • parameters:
    • ctx: (typeof Object)
  • summary

    render the shape

  • type

    Function

• dojox.gfx.canvas.Shape._renderTransform

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Shape.canvasTransform

• dojox.gfx.canvas.Shape._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Shape._renderFill

  • parameters:
    • ctx: (typeof Object)
    • apply: (typeof Boolean)
  • type

    Function

• dojox.gfx.canvas.Shape.fillStyle

• dojox.gfx.canvas.Shape.fillStyle.width

• dojox.gfx.canvas.Shape.fillStyle.height

• dojox.gfx.canvas.Shape.canvasFillImage.width

• dojox.gfx.canvas.Shape.canvasFillImage.height

• dojox.gfx.canvas.Shape.canvasFill

  • type

    Object

• dojox.gfx.canvas.Shape._renderStroke

  • parameters:
    • ctx: (typeof Object)
    • apply: (typeof Boolean)
  • type

    Function

• dojox.gfx.canvas.Shape.strokeStyle

• dojox.gfx.canvas.Shape.getEventSource

  • type

    Function

• dojox.gfx.canvas.Shape.connect

  • type

    Function

• dojox.gfx.canvas.Shape.disconnect

  • type

    Function

• dojox.gfx.canvas.Group.constructor

  • constructor - constructor
  • type

    Function

• dojox.gfx.canvas.Group._render

  • parameters:
    • ctx: (typeof Object)
  • summary

    render the group

  • type

    Function

• dojox.gfx.canvas.Rect

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Rect.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Rect: (call)
  • summary

    a rectangle shape (Canvas)

• dojox.gfx.canvas.Rect._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Rect.shape

• dojox.gfx.canvas.Rect.shape.x

• dojox.gfx.canvas.Rect.shape.y

• dojox.gfx.canvas.Ellipse

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Ellipse.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Ellipse: (call)
  • summary

    an ellipse shape (Canvas)

• dojox.gfx.canvas.Ellipse.setShape

  • type

    Function

• dojox.gfx.canvas.Ellipse.shape

• dojox.gfx.canvas.Ellipse.canvasEllipse

• dojox.gfx.canvas.Ellipse._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Circle

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Circle.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Circle: (call)
  • summary

    a circle shape (Canvas)

• dojox.gfx.canvas.Circle._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Circle.shape

• dojox.gfx.canvas.Line

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Line.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Line: (call)
  • summary

    a line shape (Canvas)

• dojox.gfx.canvas.Line._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Line.shape

• dojox.gfx.canvas.Polyline

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Polyline.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Polyline: (call)
  • summary

    a polyline/polygon shape (Canvas)

• dojox.gfx.canvas.Polyline.setShape

  • type

    Function

• dojox.gfx.canvas.Polyline.shape.points

• dojox.gfx.canvas.Polyline.shape.points.0

• dojox.gfx.canvas.Polyline.canvasPolyline

• dojox.gfx.canvas.Polyline._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Image

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Image.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Image: (call)
  • summary

    an image shape (Canvas)

• dojox.gfx.canvas.Image.setShape

  • type

    Function

• dojox.gfx.canvas.Image.canvasImage

• dojox.gfx.canvas.Image._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Image.shape

• dojox.gfx.canvas.Text

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.shape.Text.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.shape.Text: (call)

• dojox.gfx.canvas.Text._setFont

  • type

    Function

• dojox.gfx.canvas.Text.canvasFont

  • type

    Object

• dojox.gfx.canvas.Text.getTextWidth

  • summary

    get the text width in pixels

  • type

    Function

• dojox.gfx.canvas.Text.shape

• dojox.gfx.canvas.Text._render

  • parameters:
    • ctx: (typeof Object)
  • summary

    render the shape
    ctx : Object: the drawing context.

  • type

    Function

• dojox.gfx.canvas.Text._renderShape

  • parameters:
    • ctx
  • summary

    a text shape (Canvas)
    ctx : Object: the drawing context.

  • type

    Function

• dojox.gfx.canvas.Path

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.path.Path.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.path.Path: (call)
  • summary

    a path shape (Canvas)

• dojox.gfx.canvas.Path.constructor

  • constructor - constructor
  • type

    Function

• dojox.gfx.canvas.Path.setShape

  • type

    Function

• dojox.gfx.canvas.Path.canvasPath

  • type

    Array

• dojox.gfx.canvas.Path._updateWithSegment

  • parameters:
    • segment
  • type

    Function

• dojox.gfx.canvas.Path.last

• dojox.gfx.canvas.Path._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.Path._moveToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path.last.x

• dojox.gfx.canvas.Path.last.y

• dojox.gfx.canvas.Path.lastControl

  • type

    Object

• dojox.gfx.canvas.Path._moveToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._lineToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._lineToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._hLineToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._hLineToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._vLineToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._vLineToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._curveToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path.lastControl.x

  • type

    String

• dojox.gfx.canvas.Path.lastControl.y

  • type

    String

• dojox.gfx.canvas.Path.lastControl.type

  • type

    String

• dojox.gfx.canvas.Path._curveToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._smoothCurveToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._smoothCurveToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._qCurveToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._qCurveToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._qSmoothCurveToA

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._qSmoothCurveToR

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._arcTo

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.Path._closePath

  • parameters:
    • result
    • action
    • args
  • type

    Function

• dojox.gfx.canvas.TextPath

  • type

    Function

  • chains:
    • dojox.gfx.canvas.Shape: (prototype)
    • dojox.gfx.path.TextPath.prototype: (prototype)
    • dojox.gfx.canvas.Shape: (call)
    • dojox.gfx.path.TextPath: (call)
  • summary

    a text shape (Canvas)

• dojox.gfx.canvas.TextPath._renderShape

  • parameters:
    • ctx: (typeof Object)
  • type

    Function

• dojox.gfx.canvas.TextPath.shape

• dojox.gfx.canvas.TextPath._setText

  • type

    Function

• dojox.gfx.canvas.TextPath._setFont

  • type

    Function

• dojox.gfx.canvas.Surface.constructor

  • constructor - constructor
  • type

    Function

• dojox.gfx.canvas.Surface.setDimensions

  • parameters:
    • width: (typeof String:)

      width of surface, e.g., "100px"

    • height: (typeof String:)

      height of surface, e.g., "100px"

  • returns

    self

  • summary

    sets the width and height of the rawNode

  • type

    Function

• dojox.gfx.canvas.Surface.width

  • type

    Object

• dojox.gfx.canvas.Surface.height

  • type

    Object

• dojox.gfx.canvas.Surface.rawNode.width

• dojox.gfx.canvas.Surface.rawNode.height

• dojox.gfx.canvas.Surface.setDimensions.width

  • type

    String:

  • summary

    width of surface, e.g., "100px"

• dojox.gfx.canvas.Surface.setDimensions.height

  • type

    String:

  • summary

    height of surface, e.g., "100px"

• dojox.gfx.canvas.Surface.getDimensions

  • returns

    Object

  • summary

    returns an object with properties "width" and "height"

  • type

    Function

• dojox.gfx.canvas.Surface._render

  • summary

    render the all shapes

  • type

    Function

• dojox.gfx.canvas.Surface.makeDirty

  • summary

    internal method, which is called when we may need to redraw

  • type

    Function

• dojox.gfx.canvas.Surface.pendingRender

  • type

    Object

• dojox.gfx.canvas.Surface.downloadImage

  • parameters:
    • img: (typeof Image:)

      the image object

    • url: (typeof String:)

      the url of the image

  • summary

    internal method, which starts an image download and renders, when it is ready

  • type

    Function

• dojox.gfx.canvas.Surface.onImageLoad

  • type

    Function

• dojox.gfx.canvas.Surface.getEventSource

  • type

    Function

• dojox.gfx.canvas.Surface.connect

  • type

    Function

• dojox.gfx.canvas.Surface.disconnect

  • type

    Function

• dojox.gfx.canvas.Surface.pendingImageCount

  • type

    Number

• dojo

  • alias - dojo

• dojox.gfx

  • alias - dojox.gfx

• dojox.gfx.shape

  • alias - dojox.gfx.shape

• dojox.gfx.arc

  • alias - dojox.gfx.arc

• dojox.gfx.canvas

  • alias - dojox.gfx.canvas

• dojox.gfx.matrix

  • alias - dojox.gfx.matrix

• dojox.gfx.matrix.multiplyPoint

  • alias - dojox.gfx.matrix.multiplyPoint

• Math.PI

  • alias - Math.PI

• dojox.gfx.canvas.createSurface

  • parameters:
    • parentNode: (typeof Node:)

      a parent node

    • width: (typeof String:)

      width of surface, e.g., "100px"

    • height: (typeof String:)

      height of surface, e.g., "100px"

  • returns

    dojox.gfx.Surface

  • summary

    creates a surface (Canvas)

  • type

    Function

• dojox.gfx.shape.Container

  • alias - dojox.gfx.shape.Container

• dojox

  • type

    Object