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