[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48759] trunk/blender/source/blender/ editors/space_node/drawnode.c: fix for ugly pixelated drawing of node frame text.

[Campbell Barton]

Revision: 48759
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48759
Author:   campbellbarton
Date:     2012-07-09 16:06:44 +0000 (Mon, 09 Jul 2012)
Log Message:
-----------
fix for ugly pixelated drawing of node frame text.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/space_node/drawnode.c

Modified: trunk/blender/source/blender/editors/space_node/drawnode.c
===================================================================
--- trunk/blender/source/blender/editors/space_node/drawnode.c	2012-07-09 15:21:43 UTC (rev 48758)
+++ trunk/blender/source/blender/editors/space_node/drawnode.c	2012-07-09 16:06:44 UTC (rev 48759)
@@ -946,8 +946,11 @@
 	node->totr = rect;
 }
 
-static void node_draw_frame_label(bNode *node)
+static void node_draw_frame_label(View2D *v2d, bNode *node)
 {
+	const float aspx = (v2d->cur.xmax - v2d->cur.xmin) / (v2d->mask.xmax - v2d->mask.xmin);
+	const float aspy = (v2d->cur.ymax - v2d->cur.ymin) / (v2d->mask.ymax - v2d->mask.ymin);
+
 	/* XXX font id is crap design */
 	const int fontid = blf_mono_font;
 	NodeFrame *data = (NodeFrame *)node->storage;
@@ -957,21 +960,27 @@
 	/* XXX a bit hacky, should use separate align values for x and y */
 	float width, ascender;
 	float x, y;
+	const int font_size = data->label_size / aspx;
 	
 	BLI_strncpy(label, nodeLabel(node), sizeof(label));
-	BLF_size(fontid, data->label_size, U.dpi);
+
+	BLF_enable(fontid, BLF_ASPECT);
+	BLF_aspect(fontid, aspx, aspy, 1.0f);
+	BLF_size(fontid, MIN2(24, font_size), U.dpi); /* clamp otherwise it can suck up a LOT of memory */
 	
 	/* title color */
 	UI_ThemeColorBlendShade(TH_TEXT, color_id, 0.8f, 10);
 
 	width = BLF_width(fontid, label);
-	ascender = BLF_ascender(fontid);
+	ascender = BLF_ascender(fontid) * aspy;
 	
 	x = 0.5f * (rct->xmin + rct->xmax) - 0.5f * width;
 	y = rct->ymax - NODE_DYS - ascender;
 	
 	BLF_position(fontid, x, y, 0);
 	BLF_draw(fontid, label, BLF_DRAW_STR_DUMMY_MAX);
+
+	BLF_disable(fontid, BLF_ASPECT);
 }
 
 static void node_draw_frame(const bContext *C, ARegion *ar, SpaceNode *snode, bNodeTree *UNUSED(ntree), bNode *node)
@@ -1023,7 +1032,7 @@
 	}
 	
 	/* label */
-	node_draw_frame_label(node);
+	node_draw_frame_label(&ar->v2d, node);
 	
 	UI_ThemeClearColor(color_id);