Functions dealing with Pictures and picture files:
| makeEmptyPicture(w, h) | # returns an empty Picture with # the given dimensions |
| makeEmptyPicture(w,h,c) | # returns an empty Picture with # the given dimensions & color |
| pickAFile() | # returns a filename |
| makePicture(filename) | # returns a Picture representation # of the contents of the file |
| getWidth(pict) | # returns the width of Picture pict |
| getHeight(pict) | # returns the height of Picture pict |
| getPixels(pict) | # returns a list of all the Pixels # in the Picture |
| show(pict) | # displays the specified Picture |
| duplicate(pict) | # returns a new Picture that is a # duplicate of pict |
| crop(pict,ulX,ulY,w,h) |  |
| copyInto(origPict,destPict,ulX,ulY) |  |
Functions dealing with Pixels:
| getPixel(pict, x, y) | # returns the Pixel at the specified # x- and y-cooordinates of Picture # pict |
| getRed(px) | # returns amount of red in Pixel px |
| setRed(px, amount) | # sets the amount of red in Pixel px |
| getColor(px) | # returns a Color object representing # the color of Pixel px |
| setColor(px, color) | # sets the color of Pixel px |
| getX(px) | # returns x-coordinate of Pixel px |
| setY(px, amount) | # returns y-coordinate of Pixel px |