[nautilus] Add extra data to the image properties

[William Jon McCann <mccann src gnome org>]

commit a9c2a2252700c47c802938a23258a20b6c2ebed0
Author: William Jon McCann <jmccann redhat com>
Date:   Wed Sep 19 06:03:22 2012 -0400

    Add extra data to the image properties
    
    That includes PNG tEXt chunk information.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=613288

 src/nautilus-image-properties-page.c |   41 ++++++++++++++++++++++++++++++++++
 1 files changed, 41 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-image-properties-page.c b/src/nautilus-image-properties-page.c
index 56f470b..8372eec 100644
--- a/src/nautilus-image-properties-page.c
+++ b/src/nautilus-image-properties-page.c
@@ -297,6 +297,22 @@ append_xmp_value_pair (NautilusImagePropertiesPage *page,
 }
 #endif /*HAVE EXEMPI*/
 
+static gboolean
+append_option_value_pair (NautilusImagePropertiesPage *page,
+			  GdkPixbuf                   *pixbuf,
+			  const char                  *key,
+			  char                        *description)
+{
+	const char *value;
+
+	value = gdk_pixbuf_get_option (pixbuf, key);
+	if (value == NULL)
+		return FALSE;
+
+	append_item (page, description, value);
+	return TRUE;
+}
+
 static void
 append_basic_info (NautilusImagePropertiesPage *page)
 {
@@ -329,6 +345,30 @@ append_basic_info (NautilusImagePropertiesPage *page)
 }
 
 static void
+append_options_info (NautilusImagePropertiesPage *page)
+{
+	GdkPixbuf *pixbuf;
+
+	pixbuf = gdk_pixbuf_loader_get_pixbuf (page->details->loader);
+	if (pixbuf == NULL)
+		return;
+
+	if (!append_option_value_pair (page, pixbuf, "Title", _("Title")))
+		append_option_value_pair (page, pixbuf, "tEXt::Title", _("Title"));
+	if (!append_option_value_pair (page, pixbuf, "Author", _("Author")))
+		append_option_value_pair (page, pixbuf, "tEXt::Author", _("Author"));
+
+	append_option_value_pair (page, pixbuf, "tEXt::Description", _("Description"));
+	append_option_value_pair (page, pixbuf, "tEXt::Copyright", _("Copyright"));
+	append_option_value_pair (page, pixbuf, "tEXt::Creation Time", _("Created On"));
+	append_option_value_pair (page, pixbuf, "tEXt::Software", _("Created By"));
+	append_option_value_pair (page, pixbuf, "tEXt::Disclaimer", _("Disclaimer"));
+	append_option_value_pair (page, pixbuf, "tEXt::Warning", _("Warning"));
+	append_option_value_pair (page, pixbuf, "tEXt::Source", _("Source"));
+	append_option_value_pair (page, pixbuf, "tEXt::Comment", _("Comment"));
+}
+
+static void
 append_exif_info (NautilusImagePropertiesPage *page)
 {
 #ifdef HAVE_EXIF
@@ -394,6 +434,7 @@ load_finished (NautilusImagePropertiesPage *page)
 
 	if (page->details->got_size) {
 		append_basic_info (page);
+		append_options_info (page);
 		append_exif_info (page);
 		append_xmp_info (page);
 	} else {