[gnome-control-center/wip/exalm/bg: 8/8] background: Fix thumbnail size on hidpi

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 13ffacb0836e35576791e16824ec69827ef3ca88
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Feb 26 12:46:34 2021 +0500

    background: Fix thumbnail size on hidpi
    
    Use GIcon GtkImage API instead lf GdkPixbuf. The latter treats pixbufs as
    always being in 1x scale and upscales them to compensate, while in our case
    they are pre-scaled.
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/787

 panels/background/cc-background-chooser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/panels/background/cc-background-chooser.c b/panels/background/cc-background-chooser.c
index de201b8da..6c8f56136 100644
--- a/panels/background/cc-background-chooser.c
+++ b/panels/background/cc-background-chooser.c
@@ -105,7 +105,7 @@ create_widget_func (gpointer model_item,
                                              bg_source_get_thumbnail_width (source),
                                              bg_source_get_thumbnail_height (source),
                                              bg_source_get_scale_factor (source));
-  image = gtk_image_new_from_pixbuf (pixbuf);
+  image = gtk_image_new_from_gicon (G_ICON (pixbuf), GTK_ICON_SIZE_DIALOG);
   gtk_widget_show (image);
 
   icon = gtk_image_new_from_icon_name("slideshow-emblem", GTK_ICON_SIZE_BUTTON);