Silverfrost Logo About Us | Contact Us
 

Graphics functions (screen,regions)

Regions

COPY_GRAPHICS_REGION@

Copies one drawing surface to another.

CREATE_GRAPHICS_REGION@

Creates a drawing surface.

DELETE_GRAPHICS_REGION@

Removes a drawing surface.

GRAPHICS_TO_CLIPBOARD@

Copies a drawing surface to the clipboard.

SCROLL_GRAPHICS@

Scrolls a drawing surface.

SELECT_GRAPHICS_OBJECT@

Selects a drawing surface.

EXPORT_IMAGE@

Writes a drawing surface to an image file.

IMPORT_IMAGE@

Pastes an image on to a drawing surface from a file or an internal resource.


These are used together with the DIB functions listed in Graphics functions (device independent bitmap). An alternative set of routines uses the concept of a virtual screen (a legacy from DOS programming). The alternative set is described in the ClearWin+ User's Supplement.

 

Other routines

GET_GRAPHICAL_RESOLUTION@

Gets the width and height of the current drawing surface.

GRAPHICS_WRITE_MODE@

Selects replace/XOR mode before writing to a drawing surface.

PERFORM_GRAPHICS_UPDATE@

Refreshes a drawing surface's display.

 

 

Copyright © 1999-2017 Silverfrost Limited