Icon definition for region output.
::set_icon defines an icon for region output (::disp_region). It is displayed in the regions center of gravity. The use of this icon is activated with ::set_shape.
|
Icon (input_object) |
region -> Hobject: HRegion |
| Icon for center of gravity. | |
|
WindowHandle (input_control) |
window -> HTuple.long |
| Window_id. | |
/* draw a region and an icon */ draw_region(&Region,WindowHandle) ; draw_region(&Icon,WindowHandle) ; set_icon(Icon) ; set_shape(WindowHandle,"icon") ; disp_region(Region,WindowHandle) ;
::set_icon returns H_MSG_TRUE if exactly one region is passed. Otherwise an exception handling is raised.
::gen_circle, ::gen_ellipse, ::gen_rectangle1, ::gen_rectangle2, ::draw_region
System