new Canvas()
Do NOT instantiate this class directly. The canvas object should be
acquired through the
Oracle.BDD.Portlets.Visualization.Renderers.BaseRenderer#getCanvas
function ONLY.
- Source:
Methods
clear()
Clears the canvas of all child elements.
- Source:
getHeight() → {Number}
Returns the height in pixels of the configured canvas height minus the
top and bottom margins. This is the "working" height of the canvas.
- Source:
Returns:
Canvas height
- Type
- Number
getMargins() → {Object}
Returns the margins of the canvas as { top: 50, bottom: 50, right: 50,
left: 50}
- Source:
Returns:
Margins of the canvas
- Type
- Object
getRoot(clear) → {Object}
Returns the canvas as a DOM node. This is the root element onto which the
visualization is to be rendered. If a tagName was specified in the
configuration, an element of that tagName will be returned, otherwise a \
container element wrapped in an \
Parameters:
Name | Type | Description |
---|---|---|
clear |
boolean | Indicates if the existing canvas content should be cleared |
- Source:
Returns:
The canvas as a DOM Node
- Type
- Object
getRootId() → {string}
Returns the canvas root element's id
- Source:
Returns:
The root element's id
- Type
- string
getWidth() → {Number}
Returns the width in pixels of the configured canvas width minus the left
and right margins. This is the "working" width of the canvas.
- Source:
Returns:
Canvas width
- Type
- Number
isRendered() → {boolean}
Returns a boolean indicating if the canvas contains any content.
- Source:
Returns:
- Type
- boolean