file: Slightly soften thumbnail corners

Sharp corners give an unpolished feel to thumbnail.

We've been trying to give the illusion of round corners using shadows.

But now that we already use GtkSnapshot, properly clipping round
corners is too easy not to do it.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/nautilus-file.c b/src/nautilus-file.c
index 6b4b2319a..02e8307b0 100644
--- a/src/nautilus-file.c
+++ b/src/nautilus-file.c
@@ -5103,6 +5103,7 @@ nautilus_file_get_thumbnail_icon (NautilusFile          *file,
         double height = gdk_pixbuf_get_height (pixbuf) / scale;
         g_autoptr (GdkTexture) texture = gdk_texture_new_for_pixbuf (pixbuf);
         g_autoptr (GtkSnapshot) snapshot = gtk_snapshot_new ();
+        GskRoundedRect rounded_rect;
 
         if (MAX (width, height) > size)
         {
@@ -5112,6 +5113,11 @@ nautilus_file_get_thumbnail_icon (NautilusFile          *file,
             height = height / scale_down_factor;
         }
 
+        gsk_rounded_rect_init_from_rect (&rounded_rect,
+                                         &GRAPHENE_RECT_INIT (0, 0, width, height),
+                                         2 /* radius*/);
+        gtk_snapshot_push_rounded_clip (snapshot, &rounded_rect);
+
         gdk_paintable_snapshot (GDK_PAINTABLE (texture),
                                 GDK_SNAPSHOT (snapshot),
                                 width, height);
@@ -5122,6 +5128,8 @@ nautilus_file_get_thumbnail_icon (NautilusFile          *file,
             nautilus_ui_frame_video (snapshot, width, height);
         }
 
+        gtk_snapshot_pop (snapshot); /* End rounded clip */
+
         DEBUG ("Returning thumbnailed image, at size %d %d",
                (int) (width), (int) (height));
         paintable = gtk_snapshot_to_paintable (snapshot, NULL);