Improve widget part caching

[libs/gltk.git] / source / vslider.cpp

diff --git a/source/vslider.cpp b/source/vslider.cpp
index 874c38346c9e75a496058540ce1ec5b399685ec1..6a21c5301ad6eb45a51d2ff201ababb271a02f21 100644 (file)
--- a/source/vslider.cpp
+++ b/source/vslider.cpp
@@ -1,12 +1,5 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2008, 2010-2011  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <msp/gl/matrix.h>
-#include <msp/gl/transform.h>
+#include <msp/gl/meshbuilder.h>
 #include "graphic.h"
 #include "part.h"
 #include "style.h"
@@ -35,10 +28,14 @@ void VSlider::autosize()
        }
 }
 
-void VSlider::render_special(const Part &part) const
+void VSlider::rebuild_special(const Part &part)
 {
        if(part.get_name()=="slider")
        {
+               const Graphic *graphic = part.get_graphic(state);
+               if(!graphic || !graphic->get_texture())
+                       return;
+
                Alignment align = part.get_alignment();
                if(max>min)
                        align.y = (value-min)/(max-min);
@@ -46,10 +43,9 @@ void VSlider::render_special(const Part &part) const
                Geometry pgeom = part.get_geometry();
                align.apply(pgeom, geom, part.get_margin());
 
-               GL::push_matrix();
-               GL::translate(pgeom.x, pgeom.y, 0);
-               part.get_graphic(state)->render(pgeom.w, pgeom.h);
-               GL::pop_matrix();
+               GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
+               bld.matrix() *= GL::Matrix::translation(pgeom.x, pgeom.y, 0);
+               graphic->build(pgeom.w, pgeom.h, bld);
        }
 }