debug dirtyRect

diff --git a/src/Interface.cs b/src/Interface.cs
index 542cf2dd7af090acdc113ac5a6c7aa49f2fd6508..6196c3136c2bfbc791d6a0e62da127aa65def2f5 100644 (file)
--- a/src/Interface.cs
+++ b/src/Interface.cs
@@ -57,14 +57,14 @@ namespace Crow
                }
                public Interface(){
                        CurrentInterface = this;
-                       CultureInfo.DefaultThreadCurrentCulture = System.Globalization.CultureInfo.InvariantCulture; 
+                       CultureInfo.DefaultThreadCurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
                }
                #endregion
 
                #region Static and constants
                public static int DoubleClick = 200;//ms
                internal Stopwatch clickTimer = new Stopwatch();
-               internal GraphicObject eligibleForDoubleClick = null; 
+               internal GraphicObject eligibleForDoubleClick = null;
                public static int TabSize = 4;
                public static string LineBreak = "\r\n";
                //TODO: shold be declared in graphicObject
@@ -441,7 +441,6 @@ namespace Crow
                                                                DirtyRect += clipping.Bounds;
                                                        else
                                                                DirtyRect = clipping.Bounds;
-                                                       IsDirty = true;
 
                                                        DirtyRect.Left = Math.Max (0, DirtyRect.Left);
                                                        DirtyRect.Top = Math.Max (0, DirtyRect.Top);
@@ -450,13 +449,14 @@ namespace Crow
                                                        DirtyRect.Width = Math.Max (0, DirtyRect.Width);
                                                        DirtyRect.Height = Math.Max (0, DirtyRect.Height);
 
-                                                       if (DirtyRect.Width > 0) {
+                                                       if (DirtyRect.Width > 0 && DirtyRect.Height >0) {
                                                                dirtyBmp = new byte[4 * DirtyRect.Width * DirtyRect.Height];
                                                                for (int y = 0; y < DirtyRect.Height; y++) {
                                                                        Array.Copy (bmp,
                                                                                ((DirtyRect.Top + y) * ClientRectangle.Width * 4) + DirtyRect.Left * 4,
                                                                                dirtyBmp, y * DirtyRect.Width * 4, DirtyRect.Width * 4);
                                                                }
+                                                               IsDirty = true;
                                                        } else
                                                                IsDirty = false;
                                                }