[f-spot/rubenv-gsoc-2009: 36/86] Add a filter to make sure that the exported file is processed.

[Ruben Vermeersch <rubenv src gnome org>]

commit eed74cb57155645837b29e62edb06bea3fc1d0f3
Author: Ruben Vermeersch <ruben savanne be>
Date:   Wed Jul 29 15:50:54 2009 +0200

    Add a filter to make sure that the exported file is processed.

 .../Exporters/FacebookExport/FacebookExport.cs     |    1 +
 extensions/Exporters/FlickrExport/FlickrExport.cs  |    1 +
 .../Exporters/GalleryExport/GalleryExport.cs       |    2 +-
 .../Exporters/PicasaWebExport/PicasaWebExport.cs   |    2 +
 .../Exporters/SmugMugExport/SmugMugExport.cs       |    2 +
 src/Filters/ProcessedFormatFilter.cs               |   55 ++++++++++++++++++++
 src/Makefile.am                                    |    1 +
 7 files changed, 63 insertions(+), 1 deletions(-)
---
diff --git a/extensions/Exporters/FacebookExport/FacebookExport.cs b/extensions/Exporters/FacebookExport/FacebookExport.cs
index f7d4c9c..ac065e9 100644
--- a/extensions/Exporters/FacebookExport/FacebookExport.cs
+++ b/extensions/Exporters/FacebookExport/FacebookExport.cs
@@ -343,6 +343,7 @@ namespace FSpot.Exporter.Facebook
 			FilterSet filters = new FilterSet ();
 			filters.Add (new JpegFilter ());
 			filters.Add (new ResizeFilter (size));
+			filters.Add (new ProcessedFormatFilter ());
 
 			for (int i = 0; i < items.Length; i++) {
 				try {
diff --git a/extensions/Exporters/FlickrExport/FlickrExport.cs b/extensions/Exporters/FlickrExport/FlickrExport.cs
index 7ff22c5..1d7a74f 100644
--- a/extensions/Exporters/FlickrExport/FlickrExport.cs
+++ b/extensions/Exporters/FlickrExport/FlickrExport.cs
@@ -353,6 +353,7 @@ namespace FSpotFlickrExport {
 					FilterSet stack = new FilterSet ();
 					if (scale)
 						stack.Add (new ResizeFilter (size));
+					stack.Add (new ProcessedFormatFilter ());
 
 					string id = fr.Upload (photo, stack, is_public, is_family, is_friend);
 					ids.Add (id);
diff --git a/extensions/Exporters/GalleryExport/GalleryExport.cs b/extensions/Exporters/GalleryExport/GalleryExport.cs
index e4c4f8e..6543f0a 100644
--- a/extensions/Exporters/GalleryExport/GalleryExport.cs
+++ b/extensions/Exporters/GalleryExport/GalleryExport.cs
@@ -767,7 +767,7 @@ namespace G2Export {
 					filters.Add (new ResizeFilter (size));
 				else if (rotate)
 					filters.Add (new OrientationFilter ());
-
+				filters.Add (new ProcessedFormatFilter ());
 
 				while (photo_index < items.Length) {
 					IBrowsableItem item = items [photo_index];
diff --git a/extensions/Exporters/PicasaWebExport/PicasaWebExport.cs b/extensions/Exporters/PicasaWebExport/PicasaWebExport.cs
index ab2a4c7..31e13df 100644
--- a/extensions/Exporters/PicasaWebExport/PicasaWebExport.cs
+++ b/extensions/Exporters/PicasaWebExport/PicasaWebExport.cs
@@ -648,6 +648,8 @@ namespace FSpotGoogleExport {
 			if (rotate)
 				filters.Add (new OrientationFilter ());
 
+			filters.Add (new ProcessedFormatFilter ());
+
 			Array.Sort (items, new DateComparer ());
 
 			while (photo_index < items.Length) {
diff --git a/extensions/Exporters/SmugMugExport/SmugMugExport.cs b/extensions/Exporters/SmugMugExport/SmugMugExport.cs
index fff5e73..b2c011f 100644
--- a/extensions/Exporters/SmugMugExport/SmugMugExport.cs
+++ b/extensions/Exporters/SmugMugExport/SmugMugExport.cs
@@ -555,6 +555,8 @@ namespace FSpotSmugMugExport {
 			if (rotate)
 				filters.Add (new OrientationFilter ());
 
+			filters.Add (new ProcessedFormatFilter ());
+
 			while (photo_index < items.Length) {
 				try {
 					IBrowsableItem item = items[photo_index];
diff --git a/src/Filters/ProcessedFormatFilter.cs b/src/Filters/ProcessedFormatFilter.cs
new file mode 100644
index 0000000..3bdc974
--- /dev/null
+++ b/src/Filters/ProcessedFormatFilter.cs
@@ -0,0 +1,55 @@
+/*
+ * Filters/ProcessedFormatFilter.cs
+ *
+ * Author(s)
+ *   Ruben Vermeersch <ruben savanne be>
+ *
+ * This is free software. See COPYING for details.
+ *
+ */
+using FSpot.Imaging;
+using FSpot.Loaders;
+using FSpot.Utils;
+using Gdk;
+using System;
+using System.IO;
+
+namespace FSpot.Filters {
+	public class ProcessedFormatFilter : IFilter {
+		public int JpegQuality { get; set; }
+
+		public ProcessedFormatFilter ()
+		{
+			JpegQuality = 95;
+		}
+
+		public bool Convert (FilterRequest req)
+		{
+			// FIXME this should copy metadata from the original
+			// even when the source is not a jpeg
+			string source = req.Current.LocalPath;
+
+			using (ImageFile img = ImageFile.Create (req.Current)) {
+				Log.Debug ("Got file: {0}, RAW: {1}", req.Current, img is IRawFile);
+				if (!ImageFile.IsRaw (img))
+					return false;
+
+				Pixbuf buffer = null;
+				using (IImageLoader loader = ImageLoader.Create (req.Current)) {
+					loader.Load (ImageLoaderItem.Full);
+					buffer = loader.Full;
+				}
+
+				req.Current = req.TempUri ("jpg");
+				string dest = req.Current.LocalPath;
+
+				byte [] image_data = PixbufUtils.Save (buffer, "jpeg", new string [] {"quality" }, new string [] { JpegQuality.ToString () });
+				using (Stream stream = System.IO.File.OpenWrite (dest)) {
+					stream.Write (image_data, 0, image_data.Length);
+				}
+			}
+
+			return true;
+		}
+	}
+}
diff --git a/src/Makefile.am b/src/Makefile.am
index 10947d6..13d18c2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -217,6 +217,7 @@ F_SPOT_CSDISTFILES =				\
 	$(srcdir)/Filters/IFilter.cs		\
 	$(srcdir)/Filters/JpegFilter.cs		\
 	$(srcdir)/Filters/OrientationFilter.cs	\
+	$(srcdir)/Filters/ProcessedFormatFilter.cs	\
 	$(srcdir)/Filters/ResizeFilter.cs	\
 	$(srcdir)/Filters/SharpFilter.cs	\
 	$(srcdir)/Filters/UniqueNameFilter.cs	\