Documentation Docs
Documentation Docs

DrawCanvas

An object that describes a drawing area and enables you to draw an image or a piece of text within the area. You can access this object within functions that handle SurveyPDF's onRenderHeader and onRenderFooter events.

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Properties
pageCount pageNumber rect
Methods
drawImage drawText
Events
drawImage method

Draws an image within the drawing area.

Type:
(imageOptions: IDrawImageOptions) => any
Parameters:
imageOptions, type: IDrawImageOptions ,

An IDrawImageOptions object that configures drawing.

Implemented in:
DrawCanvas
drawText method

Draws a piece of text within the drawing area.

Type:
(textOptions: IDrawTextOptions) => void
Parameters:
textOptions, type: IDrawTextOptions ,

An IDrawTextOptions object that configures the drawing.

Implemented in:
DrawCanvas
pageCount property

A total number of pages in the document.

Type:
number readonly
Implemented in:
DrawCanvas
pageNumber property

The number of the page that contains the drawing area. Enumeration starts with 1.

Type:
number readonly
Implemented in:
DrawCanvas
rect property

An object with coordinates of a rectangle that limits the drawing area. This object contain the following fields: xLeft, xRight, yTop, yBot.

Type:
IRect readonly
Implemented in:
DrawCanvas

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