[f-spot/rubenv-gsoc-2009: 28/86] Remove some unused code.

[Ruben Vermeersch <rubenv src gnome org>]

commit ab3c9ba69aee2e519047771e4ff72befe7da471a
Author: Ruben Vermeersch <ruben savanne be>
Date:   Tue Jul 28 19:25:26 2009 +0200

    Remove some unused code.

 src/Imaging/IOChannel.cs       |    3 ---
 src/Imaging/InternalProcess.cs |    3 ---
 src/Imaging/PngFile.cs         |   14 --------------
 3 files changed, 0 insertions(+), 20 deletions(-)
---
diff --git a/src/Imaging/IOChannel.cs b/src/Imaging/IOChannel.cs
index cf5a0f3..f695a44 100644
--- a/src/Imaging/IOChannel.cs
+++ b/src/Imaging/IOChannel.cs
@@ -232,9 +232,6 @@ namespace FSpot {
 			End
 		}
 
-		[DllImport("libglib-2.0-0.dll")]
-		static extern IOStatus g_io_channel_seek_position (HandleRef handle, long offset, SeekType type, out IntPtr error);
-
 		public override long Seek (long position, SeekOrigin origin)
 		{
 #if false
diff --git a/src/Imaging/InternalProcess.cs b/src/Imaging/InternalProcess.cs
index 5ff29b9..b714be4 100644
--- a/src/Imaging/InternalProcess.cs
+++ b/src/Imaging/InternalProcess.cs
@@ -18,7 +18,6 @@ namespace FSpot {
 	internal class InternalProcess {
 		int stdin;
 		int stdout;
-		int stderr;
 		IOChannel input;
 		IOChannel output;
 		IOChannel errorput;
@@ -52,7 +51,6 @@ namespace FSpot {
 							     ref int stdin,
 							     ref int stdout,
 							     IntPtr err,
-							     //ref int stderr,
 							     out IntPtr error);
 
 		public InternalProcess (string path, string [] args)
@@ -74,7 +72,6 @@ namespace FSpot {
 
 			input = new IOChannel (stdin);
 			output = new IOChannel (stdout);
-			//errorput = new IOChannel (stderr);
 		}
 	}
 }
diff --git a/src/Imaging/PngFile.cs b/src/Imaging/PngFile.cs
index 8a78dfc..3b4d359 100644
--- a/src/Imaging/PngFile.cs
+++ b/src/Imaging/PngFile.cs
@@ -869,20 +869,6 @@ namespace FSpot.Png {
 				}
 			}
 			
-			private static byte PaethPredict (byte a, byte b, byte c)
-			{
-				int p = a + b - c;
-				int pa = System.Math.Abs (p - a);
-				int pb = System.Math.Abs (p - b);
-				int pc = System.Math.Abs (p - c);
-				if (pa <= pb && pa <= pc)
-					return a;
-				else if (pb <= pc)
-					return b;
-				else 
-					return c;
-			}
-
 			public void ReconstructRow (int row, int channels)
 			{
 				int offset = row * width;