var instance = new Vintasoft.Twain.WebAcquiredImageJS(twainDeviceManager, imageId, imageInfo);

var value; // Type: any

// Parameters
var canvasWidth; // Type: number
var canvasHeight; // Type: number
var canvasColor; // Type: number
var imageXPosition; // Type: number
var imageYPosition; // Type: number

value = instance.resizeCanvas(canvasWidth, canvasHeight, canvasColor, imageXPosition, imageYPosition);

function resizeCanvas(
   canvasWidth
Width, in pixels, of the image canvas.
 : number, 
   canvasHeight
Height, in pixels, of the image canvas.
 : number, 
   canvasColor
Color of the image canvas. Possible values: 0-AutoDetect, 1-Black, 2-White.
 : number, 
   imageXPosition
X position, in pixels, of the original image within new image.
 : number, 
   imageYPosition
Y position, in pixels, of the original image within new image.
 : number
) : any;

Parameters

canvasWidth

Width, in pixels, of the image canvas.

canvasHeight

Height, in pixels, of the image canvas.

canvasColor

Color of the image canvas. Possible values: 0-AutoDetect, 1-Black, 2-White.

imageXPosition

X position, in pixels, of the original image within new image.

imageYPosition

Y position, in pixels, of the original image within new image.

This function sends a synchronous request to resize canvas of image. If you want to use asynchronous request instead of synchronous request, please use WebAcquiredImageJS.resizeCanvasAsync function.

Reference

WebAcquiredImageJS Class
WebAcquiredImageJS Members