Object CanvasCtxExt (Canvas CanvasCtxExt object)
The PROMOTIC system uses this object to extend the drawing functionality of the standardized CanvasCtx
object. The added methods help the designer to easily create drawing algorithms in the PmgCanvas
object is standartized and independent on the PROMOTIC system. The PROMOTIC system introduced its own CanvasCtxExt
= Extension) that extends the functionality of the drawing for easier and wider use.
Properties and methods:
|prepareDrawRect()||Makes transformation that shifts, rotates and flips the defined rectangle|
|isReset()||Detects whether the drawing area contains graphic content from previous drawing|