progressing, not using contextCoord anymore

1 files changed, 37 insertions, 27 deletions

diff --git a/src/GraphicObjects/GraphicObject.cs b/src/GraphicObjects/GraphicObject.cs
index 699d39a9..763d1277 100644
--- a/src/GraphicObjects/GraphicObject.cs
+++ b/src/GraphicObjects/GraphicObject.cs
@@ -144,7 +144,11 @@ namespace Crow
 			get { return Parent == null ? null : Parent.HostContainer; }
 		}
 		public virtual Rectangle ContextCoordinates(Rectangle r){
-			return
+			GraphicObject go = Parent as GraphicObject;
+			if (go == null)
+				return r + Parent.ClientRectangle.Position;
+			return go.CacheEnabled ?
+				r + Parent.ClientRectangle.Position : 
 				Parent.ContextCoordinates (r);
 		}			
 		public virtual Rectangle ScreenCoordinates (Rectangle r){
@@ -731,9 +735,9 @@ namespace Crow
 		}
 
 		/// <summary>
-		/// Interfal drawing context creation on a cached surface limited to slot size
+		/// Internal drawing context creation on a cached surface limited to slot size
 		/// this trigger the effective drawing routine </summary>
-		protected virtual void UpdateGraphic ()
+		protected virtual void RecreateCache ()
 		{
 			int stride = 4 * Slot.Width;
 
@@ -749,6 +753,23 @@ namespace Crow
 				draw.Flush ();
 			}
 		}
+		protected virtual void UpdateCache(Context ctx){
+			Rectangle rb = Slot + Parent.ClientRectangle.Position;
+			using (ImageSurface cache = new ImageSurface (bmp, Format.Argb32, Slot.Width, Slot.Height, 4 * Slot.Width)) {
+				//					//TODO:improve equality test for basic color and Fill
+				//					if (this.Background is SolidColor) {
+				//						if ((this.Background as SolidColor).Equals (Color.Clear)) {
+				//							ctx.Save ();
+				//							ctx.Operator = Operator.Clear;
+				//							ctx.Rectangle (rb);
+				//							ctx.Fill ();
+				//							ctx.Restore ();
+				//						}
+				//					}
+				ctx.SetSourceSurface (cache, rb.X, rb.Y);
+				ctx.Paint ();
+			}						
+		}
 		/// <summary> Chained painting routine on the parent context of the actual cached version
 		/// of the widget </summary>
 		public virtual void Paint (ref Context ctx)
@@ -758,8 +779,6 @@ namespace Crow
 
 			LastPaintedSlot = Slot;
 
-			Rectangle rb = Parent.ContextCoordinates (Slot);
-
 			if (cacheEnabled) {
 				if (Slot.Width > Interface.MaxCacheSize || Slot.Height > Interface.MaxCacheSize)
 					cacheEnabled = false;
@@ -767,29 +786,20 @@ namespace Crow
 
 			if (cacheEnabled) {
 				if (bmp == null)
-					UpdateGraphic ();
-				using (ImageSurface source = new ImageSurface (bmp, Format.Argb32, Slot.Width, Slot.Height, 4 * Slot.Width)) {
-//					//TODO:improve equality test for basic color and Fill
-//					if (this.Background is SolidColor) {
-//						if ((this.Background as SolidColor).Equals (Color.Clear)) {
-//							ctx.Save ();
-//							ctx.Operator = Operator.Clear;
-//							ctx.Rectangle (rb);
-//							ctx.Fill ();
-//							ctx.Restore ();
-//						}
-//					}
-					ctx.SetSourceSurface (source, rb.X, rb.Y);
-					ctx.Paint ();
-				}
-				return;
-			}
-			ctx.Save ();
+					RecreateCache ();
 
-			Clipping.clearAndClip (ctx);
-			ctx.Translate (rb.X, rb.Y);
-			onDraw (ctx);
-			ctx.Restore ();
+				UpdateCache (ctx);
+			} else {
+				Rectangle rb = Slot + Parent.ClientRectangle.Position;
+				ctx.Save ();
+
+				Clipping.clearAndClip (ctx);
+				ctx.Translate (rb.X, rb.Y);
+
+				onDraw (ctx);
+
+				ctx.Restore ();
+			}
 		}
 		#endregion