31 lines
900 B
Factor
31 lines
900 B
Factor
! Copyright (C) 2007 Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
USING: ui.backend ui.gadgets ui.gadgets.theme
|
|
ui.gadgets.worlds ui.render opengl opengl.gl kernel namespaces
|
|
classes.tuple colors accessors ;
|
|
IN: ui.gadgets.canvas
|
|
|
|
TUPLE: canvas < gadget dlist ;
|
|
|
|
: new-canvas ( class -- canvas )
|
|
new-gadget black solid-interior ; inline
|
|
|
|
: delete-canvas-dlist ( canvas -- )
|
|
[ find-gl-context ]
|
|
[ [ [ delete-dlist ] when* f ] change-dlist drop ] bi ;
|
|
|
|
: make-canvas-dlist ( canvas quot -- dlist )
|
|
[ drop ] [ GL_COMPILE swap make-dlist ] 2bi
|
|
[ >>dlist drop ] keep ; inline
|
|
|
|
: cache-canvas-dlist ( canvas quot -- dlist )
|
|
over dlist>> dup
|
|
[ 2nip ] [ drop make-canvas-dlist ] if ; inline
|
|
|
|
: draw-canvas ( canvas quot -- )
|
|
origin get [
|
|
cache-canvas-dlist glCallList
|
|
] with-translation ; inline
|
|
|
|
M: canvas ungraft* delete-canvas-dlist ;
|