mistelix r15 - trunk/extensions/SlideTransitions/BarWipe

[jmas svn gnome org]

Author: jmas
Date: Thu Apr  9 16:12:44 2009
New Revision: 15
URL: http://svn.gnome.org/viewvc/mistelix?rev=15&view=rev

Log:
New transition effect

Added:
   trunk/extensions/SlideTransitions/BarWipe/BarWipeLeft.cs

Added: trunk/extensions/SlideTransitions/BarWipe/BarWipeLeft.cs
==============================================================================
--- (empty file)
+++ trunk/extensions/SlideTransitions/BarWipe/BarWipeLeft.cs	Thu Apr  9 16:12:44 2009
@@ -0,0 +1,85 @@
+//
+// Copyright (C) 2009 Jordi Mas i Hernandez, jmas softcatala org
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using Mistelix.DataModel;
+
+namespace Mistelix.Transitions
+{
+	//
+	// Reveals the image from left to right
+	//
+	public class BarWipeLeft: Transition
+	{
+		public override string DisplayName {
+			get { return ("Bar Wipe (left to right)"); }
+		}
+
+		public override string Name {
+			get { return ("barwipeleft"); }
+		}
+
+		public override object Current { 
+			get {
+				return CreateImage ();
+			}
+		}
+
+		public SlideImage CreateImage ()
+		{
+			SlideImage image;
+			int pos, w;
+	
+			image = new SlideImage ();
+			image.CopyProperties (Source);
+			image.Pixels = new byte [Source.Stride * Source.Height];
+
+			// N frames from target image
+			for (w = 0; w < Target.Width * ((double) CurrentFrame / (double) Frames); w++)
+			{
+				pos = w * Source.Channels;
+				for (int h = 0; h < Target.Height; h++)
+				{
+					for (int c = 0; c < Target.Channels; c++)
+						image.Pixels[pos + c] = Target.Pixels[pos + c];
+
+					pos += Target.Stride;
+				}
+			}
+		
+			// Rest from the source image
+			for (; w < Source.Width; w++)
+			{
+				pos = w * Source.Channels;
+				for (int h = 0; h < Target.Height; h++)
+				{
+					for (int c = 0; c < Target.Channels; c++)
+						image.Pixels[pos + c] = Source.Pixels[pos + c];
+
+					pos += Target.Stride;
+				}
+			}
+			return image;
+		}
+	}
+}