* Source/GSThemeDrawing.m: Use new -[GSDrawTiles themeMargins]

to get the margins for draw tiles.
* Source/GSThemePrivate.h:
* Source/GSThemeTools.m: Get the 9-patch content rect support
working from end-to-end.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@37191 72102866-910b-0410-8b05-ffd578937521

Source/GSThemePrivate.h

@@ -64,6 +64,9 @@ typedef enum {
   NSRect	contentRect;    /** Rectangle in which content should be
         	                 *  drawn, normally rects[TileCM], but can
         	                 *  be customized in the nine-patch format */
+  NSRect        originalRectCM; /** Caches rects[TileCM] as it was before
+				 *  -validateTilesSizeWithImage clears the
+				 *  origin. Used by -themeMargins */
   float		scaleFactor;
   GSThemeFillStyle	style;	/** The default style for filling a rect */
 }
@@ -139,6 +142,8 @@ typedef enum {
  */
 - (NSSize) size;
 
+- (GSThemeMargins) themeMargins;
+
 @end
 
 /** This is the panel used to select and inspect themes.