Return the color value of a pixel at a specified location in image.
ImageNum : The number of the image. You can use a number from 0 to 63 (included).
x : Horizontal position of the pixel.
y : Vertical position of the pixel.
An integer value with the color of the specified pixel. Can also return the false boolean value if the specified pixel or image number are out of bound.
To do.
// Listing #1: Todo.
To do
Image_SetPixel(), Image_Clear()