get_image_size

Description:

public abstract void get_image_size (out int width, out int height)

Get the width and height in pixels for the specified image.

The values of width and height are returned as -1 if the values cannot be obtained (for instance, if the object is not onscreen).

If the size can not be obtained (e.g. missing support), x and y are set to -1.

this	a Object instance that implements AtkImageIface
width	filled with the image width, or -1 if the value cannot be obtained.
height	filled with the image height, or -1 if the value cannot be obtained.