[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [46519] trunk/blender/source/blender/ blenkernel: Add GridPaintMask accessor to paint.c.

[Nicholas Bishop]

Revision: 46519
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=46519
Author:   nicholasbishop
Date:     2012-05-10 20:33:55 +0000 (Thu, 10 May 2012)
Log Message:
-----------
Add GridPaintMask accessor to paint.c.

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/BKE_paint.h
    trunk/blender/source/blender/blenkernel/intern/paint.c

Modified: trunk/blender/source/blender/blenkernel/BKE_paint.h
===================================================================
--- trunk/blender/source/blender/blenkernel/BKE_paint.h	2012-05-10 20:33:45 UTC (rev 46518)
+++ trunk/blender/source/blender/blenkernel/BKE_paint.h	2012-05-10 20:33:55 UTC (rev 46519)
@@ -35,6 +35,7 @@
 struct Brush;
 struct MDisps;
 struct MeshElemMap;
+struct GridPaintMask;
 struct MFace;
 struct MultireModifierData;
 struct MVert;
@@ -68,6 +69,10 @@
 int paint_is_grid_face_hidden(const unsigned int *grid_hidden,
 							  int gridsize, int x, int y);
 
+/* paint masks */
+float paint_grid_paint_mask(const struct GridPaintMask *gpm, unsigned level,
+							unsigned x, unsigned y);
+
 /* Session data (mode-specific) */
 
 typedef struct SculptSession {

Modified: trunk/blender/source/blender/blenkernel/intern/paint.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/paint.c	2012-05-10 20:33:45 UTC (rev 46518)
+++ trunk/blender/source/blender/blenkernel/intern/paint.c	2012-05-10 20:33:55 UTC (rev 46519)
@@ -172,3 +172,12 @@
 			BLI_BITMAP_GET(grid_hidden, (y+1) * gridsize + x+1) ||
 			BLI_BITMAP_GET(grid_hidden, (y+1) * gridsize + x));
 }
+
+float paint_grid_paint_mask(const GridPaintMask *gpm, unsigned level,
+							unsigned x, unsigned y)
+{
+	int factor = ccg_factor(level, gpm->level);
+	int gridsize = ccg_gridsize(gpm->level);
+	
+	return gpm->data[(y*factor) * gridsize + (x*factor)];
+}