factor/basis/ui/images/images.factor

33 lines
824 B
Factor
Executable File

! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: namespaces cache images images.loader accessors assocs
kernel opengl opengl.gl opengl.textures ui.gadgets.worlds
memoize images.tiff ;
IN: ui.images
TUPLE: image-name path ;
C: <image-name> image-name
MEMO: cached-image ( image-name -- image ) path>> load-image ;
<PRIVATE
: image-texture-cache ( world -- texture-cache )
[ [ <cache-assoc> ] unless* ] change-images images>> ;
PRIVATE>
: rendered-image ( path -- texture )
world get image-texture-cache
[ cached-image { 0 0 } <texture> ] cache ;
: draw-image ( image-name -- )
rendered-image draw-texture ;
: draw-scaled-image ( dim image-name -- )
rendered-image draw-scaled-texture ;
: image-dim ( image-name -- dim )
cached-image dim>> ;