pixmap-source

Arguments: pixmap-interface

Returns (or sets with setf) the path namestring of the .bmp pixmap file from which the pixmap instance to display on a picture-button or static-picture control or individual button of a multi-picture-button was originally read (if any). When this value is set, the set of cached pixmaps is searched for a pixmap that has that path namestring as its source, and if one is found then that pixmap is used. Otherwise load-pixmap is called on the path namestring, a pixmap object is created from the information that is read, the pixmap is cached by calling cache-pixmap on it so that it may later be retrieved by calling find-pixmap on its name (or on its source path namestring), and the new pixmap is used for the control.

pixmap-source is a property of the button-info, picture-button, and static-picture classes.

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Created 2019.8.20.