[nautilus] file: support HiDpi for thumbnails images

[Cosimo Cecchi <cosimoc src gnome org>]

commit b3b4bea51e39c6aef305934e00dd50b128b64bc1
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Aug 4 02:41:26 2013 +0200

    file: support HiDpi for thumbnails images
    
    This was missing from the last commit.

 libnautilus-private/nautilus-file.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/libnautilus-private/nautilus-file.c b/libnautilus-private/nautilus-file.c
index 75fadfb..6fbc6d8 100644
--- a/libnautilus-private/nautilus-file.c
+++ b/libnautilus-private/nautilus-file.c
@@ -4258,9 +4258,9 @@ nautilus_file_get_icon (NautilusFile *file,
               flags & NAUTILUS_FILE_ICON_FLAGS_FORCE_THUMBNAIL_SIZE);
        
        if (flags & NAUTILUS_FILE_ICON_FLAGS_FORCE_THUMBNAIL_SIZE) {
-               modified_size = size;
+               modified_size = size * scale;
        } else {
-               modified_size = size * cached_thumbnail_size / NAUTILUS_ICON_SIZE_STANDARD;
+               modified_size = size * scale * cached_thumbnail_size / NAUTILUS_ICON_SIZE_STANDARD;
                DEBUG ("Modifying icon size to %d, as our cached thumbnail size is %d",
                       modified_size, cached_thumbnail_size);
        }
@@ -4295,7 +4295,7 @@ nautilus_file_get_icon (NautilusFile *file,
                                                                 GDK_INTERP_BILINEAR);
 
                        /* We don't want frames around small icons */
-                       if (!gdk_pixbuf_get_has_alpha (raw_pixbuf) || s >= 128) {
+                       if (!gdk_pixbuf_get_has_alpha (raw_pixbuf) || s >= 128 * scale) {
                                nautilus_ui_frame_image (&scaled_pixbuf);
                        }
 
@@ -4305,7 +4305,7 @@ nautilus_file_get_icon (NautilusFile *file,
                           image instead. We don't want to compare to exactly 100%,
                           since the zoom level 150% gives thumbnails at 144, which is
                           ok to scale up from 128. */
-                       if (modified_size > 128*1.25 &&
+                       if (modified_size > 128 * 1.25 * scale &&
                            !file->details->thumbnail_wants_original &&
                            nautilus_can_thumbnail_internally (file)) {
                                /* Invalidate if we resize upward */