GUIRButtonImg
From Doors CS, Doors CSE, and Doors CE Wiki
Clickable Image Button
Description
This item places an image button on the screen that jumps to a specified location in memory when it is clicked.
Type ID: 8
Format
Datalength: 11+ bytes
0: x-coordinate [1 byte] 1: y-coordinate [1 byte] 2: Onclick pointer [2 bytes] 4: Image width in bytes [1 byte] 5: Button width in pixels [1 byte] (account for buttons that are not x8 wide) 6: Image data [image width in bytes times 5]