Operators |
set_insert — Define the pixel output function.
set_insert( : : WindowHandle, Mode : )
set_insert defines the function, with which pixels are displayed in the output window. It is e.g. possible for a pixel to overwrite the old value. In most of the cases there is a functional relationship between old and new values.
The definition value is only valid for the valid window. Output operators that honor Mode are e.g. disp_region, disp_polygon,disp_circle.
Possible display functions are:
overwrite displayed pixels
display old "xor" new pixels
complement displayed pixels
There may not be all functions available, depending on the physical display. However, “copy” is always available.
Window_id.
Name of the display function.
Default value: 'copy'
List of values: 'complement' , 'copy' , 'xor'
set_insert returns 2 (H_MSG_TRUE) if the parameter is correct and the window is valid. Otherwise an exception is raised.
Foundation
Operators |