[longomatch] Create utils class for images

[Andoni Morales Alastruey <amorales src gnome org>]

commit 280b2e0242ec76e08d7d1070a587598aedec6422
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Fri Sep 16 16:07:29 2011 +0200

    Create utils class for images

 LongoMatch/Common/Images.cs        |   54 ++++++++++++++++++++++++++++++++++++
 LongoMatch/LongoMatch.mdp          |    1 +
 LongoMatch/Makefile.am             |    1 +
 LongoMatch/Store/PixbufTimeNode.cs |   25 ++--------------
 Makefile.win32                     |    1 +
 5 files changed, 61 insertions(+), 21 deletions(-)
---
diff --git a/LongoMatch/Common/Images.cs b/LongoMatch/Common/Images.cs
new file mode 100644
index 0000000..8b71a6e
--- /dev/null
+++ b/LongoMatch/Common/Images.cs
@@ -0,0 +1,54 @@
+// 
+//  Copyright (C) 2011 Andoni Morales Alastruey
+// 
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+// 
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//  
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+// 
+using System;
+using Gdk;
+
+namespace LongoMatch.Common
+{
+	public class ImageUtils
+	{
+		public static Pixbuf Scale(Pixbuf pixbuf, int max_width, int max_height) {
+			int ow,oh,h,w;
+
+			h = ow = pixbuf.Height;
+			w = oh = pixbuf.Width;
+			ow = max_width;
+			oh = max_height;
+
+			if(w>max_width || h>max_height) {
+				Pixbuf scalledPixbuf;
+				double rate = (double)w/(double)h;
+				
+				if(h>w)
+					ow = (int)(oh * rate);
+				else
+					oh = (int)(ow / rate);
+				scalledPixbuf = pixbuf.ScaleSimple(ow,oh,Gdk.InterpType.Bilinear);
+				pixbuf.Dispose();
+				return scalledPixbuf;
+			} else {
+				return pixbuf;
+			}
+		}
+		
+		public static byte[] Serialize(Pixbuf pixbuf) {
+			return pixbuf.SaveToBuffer("png");
+		}
+	}
+}
+
diff --git a/LongoMatch/LongoMatch.mdp b/LongoMatch/LongoMatch.mdp
index 72d5161..edf1b74 100644
--- a/LongoMatch/LongoMatch.mdp
+++ b/LongoMatch/LongoMatch.mdp
@@ -189,6 +189,7 @@
     <File subtype="Code" buildaction="Compile" name="gtk-gui/LongoMatch.Gui.Component.TeamTaggerWidget.cs" />
     <File subtype="Code" buildaction="Compile" name="Gui/Component/TeamTaggerWidget.cs" />
     <File subtype="Code" buildaction="Compile" name="Interfaces/ITag.cs" />
+    <File subtype="Code" buildaction="Compile" name="Common/Images.cs" />
   </Contents>
   <References>
     <ProjectReference type="Gac" localcopy="True" refto="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756" />
diff --git a/LongoMatch/Makefile.am b/LongoMatch/Makefile.am
index ac6832f..a4040cf 100644
--- a/LongoMatch/Makefile.am
+++ b/LongoMatch/Makefile.am
@@ -10,6 +10,7 @@ SOURCES = \
 	Common/Constants.cs \
 	Common/Enums.cs \
 	Common/GStreamer.cs \
+	Common/Images.cs \
 	Common/Log.cs \
 	Common/ProjectUtils.cs \
 	Common/SerializableObject.cs \
diff --git a/LongoMatch/Store/PixbufTimeNode.cs b/LongoMatch/Store/PixbufTimeNode.cs
index 91032e6..a56bed2 100644
--- a/LongoMatch/Store/PixbufTimeNode.cs
+++ b/LongoMatch/Store/PixbufTimeNode.cs
@@ -21,6 +21,8 @@
 using System;
 using Gdk;
 
+using LongoMatch.Common;
+
 namespace LongoMatch.Store
 {
 
@@ -49,29 +51,10 @@ namespace LongoMatch.Store
 					return new Pixbuf(thumbnailBuf);
 				else return null;
 			} set {
-				ScaleAndSave(value);
+				var pix = ImageUtils.Scale(value, MAX_WIDTH, MAX_HEIGHT);
+				thumbnailBuf = ImageUtils.Serialize(pix);
 			}
 		}
 		#endregion
-
-		private void ScaleAndSave(Pixbuf pixbuf) {
-			int ow,oh,h,w;
-
-			h = ow = pixbuf.Height;
-			w = oh = pixbuf.Width;
-			ow = MAX_WIDTH;
-			oh = MAX_HEIGHT;
-
-			if(w>MAX_WIDTH || h>MAX_HEIGHT) {
-				double rate = (double)w/(double)h;
-				if(h>w)
-					ow = (int)(oh * rate);
-				else
-					oh = (int)(ow / rate);
-				thumbnailBuf = pixbuf.ScaleSimple(ow,oh,Gdk.InterpType.Bilinear).SaveToBuffer("png");
-				pixbuf.Dispose();
-			}
-			else thumbnailBuf =  pixbuf.SaveToBuffer("png");
-		}
 	}
 }
diff --git a/Makefile.win32 b/Makefile.win32
index c7c9132..befff9e 100644
--- a/Makefile.win32
+++ b/Makefile.win32
@@ -118,6 +118,7 @@ LONGOMATCH_FILES = \
 	Common/Constants.cs \
 	Common/Cairo.cs\
 	Common/GStreamer.cs\
+	Common/Images.cs\
 	Compat/0.0/DatabaseMigrator.cs \
 	Compat/0.0/DB/DataBase.cs \
 	Compat/0.0/DB/MediaFile.cs \