Object CanvasCtxExt (Canvas CanvasCtxExt object)
The PROMOTIC system uses this object to extend the drawing functionality of the standardized object CanvasCtx
. 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|