[gthumb/gthumb-2-12] webalbums: updated the changed info when scaling the original image

[Paolo Bacchilega <paobac src gnome org>]

commit 860b32550a3c4df025ad231b9dca7f40f111c217
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Dec 28 13:34:39 2010 +0100

    webalbums: updated the changed info when scaling the original image
    
    change the extension to jpeg; update the mime type and the image
    dimensions info.
    
    [bug #637920]
    [bug #637922]

 extensions/webalbums/gth-web-exporter.c |   50 +++++++++++++++++++++++++++++++
 gthumb/gth-file-data.c                  |    5 ++-
 2 files changed, 54 insertions(+), 1 deletions(-)
---
diff --git a/extensions/webalbums/gth-web-exporter.c b/extensions/webalbums/gth-web-exporter.c
index 7f64c4a..b61f915 100644
--- a/extensions/webalbums/gth-web-exporter.c
+++ b/extensions/webalbums/gth-web-exporter.c
@@ -2365,6 +2365,31 @@ save_resized_image_ready_cd (GthFileData *file_data,
 }
 
 
+static const char *
+get_format_description (const char *mime_type)
+{
+	const char *description = NULL;
+	GSList     *formats;
+	GSList     *scan;
+
+	formats = gdk_pixbuf_get_formats ();
+	for (scan = formats; ! description && scan; scan = scan->next) {
+		GdkPixbufFormat  *format = scan->data;
+		char            **mime_types;
+		int               i;
+
+		mime_types = gdk_pixbuf_format_get_mime_types (format);
+		for (i = 0; ! description && mime_types[i] != NULL; i++)
+			if (g_strcmp0 (mime_types[i], mime_type) == 0)
+				description = gdk_pixbuf_format_get_description (format);
+	}
+
+	g_slist_free (formats);
+
+	return description;
+}
+
+
 static gboolean
 save_resized_image (gpointer data)
 {
@@ -2378,6 +2403,8 @@ save_resized_image (gpointer data)
 
 	image_data = self->priv->current_file->data;
 	if (self->priv->copy_images && (image_data->image != NULL)) {
+		char        *filename_no_ext;
+		char        *size;
 		GFile       *destination;
 		GthFileData *file_data;
 
@@ -2387,6 +2414,29 @@ save_resized_image (gpointer data)
 				   FALSE,
 				   (double) (self->priv->image + 1) / (self->priv->n_images + 1));
 
+		/* change the file extension to jpeg */
+
+		filename_no_ext = _g_uri_remove_extension (image_data->dest_filename);
+		g_free (image_data->dest_filename);
+		image_data->dest_filename = g_strconcat(filename_no_ext, ".jpeg", NULL);
+		g_free (filename_no_ext);
+
+		/* change the file type */
+
+		gth_file_data_set_mime_type (image_data->file_data, "image/jpeg");
+		g_file_info_set_attribute_string (image_data->file_data->info, "general::format", get_format_description ("image/jpeg"));
+
+		/* change the image dimensions info */
+
+		g_file_info_set_attribute_int32 (image_data->file_data->info, "image::width", image_data->image_width);
+		g_file_info_set_attribute_int32 (image_data->file_data->info, "image::height", image_data->image_height);
+		g_file_info_set_attribute_int32 (image_data->file_data->info, "frame::width", image_data->image_width);
+		g_file_info_set_attribute_int32 (image_data->file_data->info, "frame::height", image_data->image_height);
+		size = g_strdup_printf (_("%d Ã? %d"), image_data->image_width, image_data->image_height);
+		g_file_info_set_attribute_string (image_data->file_data->info, "general::dimensions", size);
+
+		/* save the pixbuf */
+
 		destination = get_image_file (self, image_data, self->priv->tmp_dir);
 		file_data = gth_file_data_new (destination, NULL);
 		_gdk_pixbuf_save_async (image_data->image,
diff --git a/gthumb/gth-file-data.c b/gthumb/gth-file-data.c
index 9071e11..8a43ed3 100644
--- a/gthumb/gth-file-data.c
+++ b/gthumb/gth-file-data.c
@@ -205,8 +205,11 @@ void
 gth_file_data_set_mime_type (GthFileData *self,
 			     const char  *mime_type)
 {
-	if (mime_type != NULL)
+	if (mime_type != NULL) {
 		g_file_info_set_content_type (self->info, get_static_string (mime_type));
+		g_file_info_set_attribute_string (self->info, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE, get_static_string (mime_type));
+		g_file_info_set_attribute_string (self->info, G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE, get_static_string (mime_type));
+	}
 }