[gthumb] GthImageViewer: removed obsolete code

[Paolo Bacchilega <paobac src gnome org>]

commit 97fa09322248dcc9518e70022b5837602ca5ca25
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Nov 1 20:02:42 2013 +0100

    GthImageViewer: removed obsolete code

 gthumb/gth-image-viewer.c |   63 +++-----------------------------------------
 1 files changed, 5 insertions(+), 58 deletions(-)
---
diff --git a/gthumb/gth-image-viewer.c b/gthumb/gth-image-viewer.c
index d0c3682..985d4c7 100644
--- a/gthumb/gth-image-viewer.c
+++ b/gthumb/gth-image-viewer.c
@@ -812,18 +812,19 @@ gth_image_viewer_draw (GtkWidget *widget,
 {
        GthImageViewer *self = GTH_IMAGE_VIEWER (widget);
 
+       cairo_save (cr);
+
        /* set the default values of the cairo context */
 
        cairo_set_line_width (cr, 0.5);
        cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
 
-       /* draw a frame around the image */
-
-
        /* delegate the rest to the tool  */
 
        gth_image_viewer_tool_draw (self->priv->tool, cr);
 
+       cairo_restore (cr);
+
        queue_animation_frame_change (self);
 
        return TRUE;
@@ -919,61 +920,7 @@ scroll_to (GthImageViewer *self,
        self->visible_area.y = y_offset;
 
        window = gtk_widget_get_window (GTK_WIDGET (self));
-
-       if (self->priv->painters != NULL) {
-               cairo_rectangle_int_t area;
-
-               area.x = 0;
-               area.y = 0;
-               area.width = self->visible_area.width;
-               area.height = self->visible_area.height;
-               gdk_window_invalidate_rect (window, &area, TRUE);
-               gdk_window_process_updates (window, TRUE);
-
-               return;
-       }
-
-       /* move without invalidating the frame */
-
-       {
-               cairo_rectangle_int_t  area;
-               cairo_region_t        *region;
-
-               area.x = (delta_x < 0) ? 0 : delta_x;
-               area.y = (delta_y < 0) ? 0 : delta_y;
-               area.width = self->visible_area.width - abs (delta_x);
-               area.height = self->visible_area.height - abs (delta_y);
-               region = cairo_region_create_rectangle (&area);
-               gdk_window_move_region (window, region, -delta_x, -delta_y);
-
-               cairo_region_destroy (region);
-       }
-
-       /* invalidate the exposed areas */
-
-       {
-               cairo_region_t        *region;
-               cairo_rectangle_int_t  area;
-
-               region = cairo_region_create ();
-
-               area.x = 0;
-               area.y = (delta_y < 0) ? 0 : self->visible_area.height - delta_y;
-               area.width = self->visible_area.width;
-               area.height = abs (delta_y);
-               cairo_region_union_rectangle (region, &area);
-
-               area.x = (delta_x < 0) ? 0 : self->visible_area.width - delta_x;
-               area.y = 0;
-               area.width = abs (delta_x);
-               area.height = self->visible_area.height;
-               cairo_region_union_rectangle (region, &area);
-
-               gdk_window_invalidate_region (window, region, TRUE);
-
-               cairo_region_destroy (region);
-       }
-
+       gdk_window_scroll (window, -delta_x, -delta_y);
        gdk_window_process_updates (window, TRUE);
 }