getImWidth

val = getImWidth ( integer Image )

Use this function to retrieve the horizontal size of an image in pixels.

Parameters

Image

An integer between 0 and 116 specifying the frame number of the image. A value of 0 represents the DMA memory buffer of the video device. Values in the range of 100-116 correspond to hidden frames.

Return value

The width of the image in pixels.

Error flags

ERR_OK

The flag set if successful.

ERR_FAILED

The flag set if failed.

Example

This set of statements retrieves the width and height of a sample image and prints the information in the terminal window:

grabIm (1)

x=getImWidth ( 1)

y=getImHeight (1)

print "width=", x

print "height=", y