! 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.png ;
+USING: accessors assocs cache combinators images images.loader
+kernel math namespaces opengl opengl.textures sequences
+splitting system ui.gadgets.worlds vocabs ;
IN: ui.images
TUPLE: image-name path ;
C: <image-name> image-name
-MEMO: cached-image ( image-name -- image ) path>> load-image ;
+<PRIVATE
+
+MEMO: cached-image-path ( path -- image )
+ [ load-image ] [ "@2x" subseq-of? >>2x? ] bi ;
+
+PRIVATE>
+
+GENERIC: cached-image ( image -- image )
+
+M: image-name cached-image
+ path>> gl-scale-factor get-global [ 1.0 > ] [ f ] if* [
+ "." split1-last "@2x." glue
+ ] when cached-image-path ;
+
+M: image cached-image ;
<PRIVATE
PRIVATE>
-: rendered-image ( path -- texture )
+: rendered-image ( image -- texture )
world get image-texture-cache
[ cached-image { 0 0 } <texture> ] cache ;
-: draw-image ( image-name -- )
+: draw-image ( image -- )
rendered-image draw-texture ;
-: draw-scaled-image ( dim image-name -- )
+: draw-scaled-image ( dim image -- )
rendered-image draw-scaled-texture ;
-: image-dim ( image-name -- dim )
- cached-image dim>> ;
+: image-dim ( image -- dim )
+ cached-image [ dim>> ] [ 2x?>> [ [ 2 / ] map ] when ] bi ;
+
+{
+ { [ os macosx? ] [ "images.loader.cocoa" require ] }
+ { [ os windows? ] [ "images.loader.gdiplus" require ] }
+ { [ os { freebsd } member? ] [
+ "images.png" require
+ "images.tiff" require
+ ] }
+ [ "images.loader.gtk" require ]
+} cond