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authorMichael Webster <miketwebster@gmail.com>2024-05-28 14:10:26 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2024-05-28 14:11:00 +0200
commit5a2e16b8405236a76c09de77120a03e50254c5bf (patch)
treeff949a6ea2258580cf8a359b7f2498b70d4621a9 /src/cached-image.vala
parentdc19d70c2c8f6680a18f20c34b67bc70c50f680c (diff)
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Fix hidpi rendering of session badges.
Most of the more common desktops provide a scalable icon, so they can be rendered in hidpi.
Diffstat (limited to 'src/cached-image.vala')
-rw-r--r--src/cached-image.vala35
1 files changed, 18 insertions, 17 deletions
diff --git a/src/cached-image.vala b/src/cached-image.vala
index 56157a3..3dfc5b8 100644
--- a/src/cached-image.vala
+++ b/src/cached-image.vala
@@ -21,7 +21,7 @@ public class CachedImage : Gtk.Image
{
private static HashTable<Gdk.Pixbuf, Cairo.Surface> surface_table;
- public static Cairo.Surface? get_cached_surface (Cairo.Context c, Gdk.Pixbuf pixbuf)
+ public static Cairo.Surface? get_cached_surface (Gdk.Pixbuf pixbuf)
{
if (surface_table == null)
surface_table = new HashTable<Gdk.Pixbuf, Cairo.Surface> (direct_hash, direct_equal);
@@ -29,31 +29,32 @@ public class CachedImage : Gtk.Image
var surface = surface_table.lookup (pixbuf);
if (surface == null)
{
- surface = new Cairo.Surface.similar (c.get_target (), Cairo.Content.COLOR_ALPHA, pixbuf.width, pixbuf.height);
- var new_c = new Cairo.Context (surface);
- Gdk.cairo_set_source_pixbuf (new_c, pixbuf, 0, 0);
- new_c.paint ();
+ surface = Gdk.cairo_surface_create_from_pixbuf (pixbuf, _scale_factor, null);
surface_table.insert (pixbuf, surface);
}
return surface;
}
+ private void update_image(Gdk.Pixbuf? pixbuf)
+ {
+ if (pixbuf != null)
+ {
+ surface = get_cached_surface (pixbuf);
+ }
+ else
+ {
+ surface = null;
+ pixbuf = null;
+ }
+ }
+
public CachedImage (Gdk.Pixbuf? pixbuf)
{
- Object (pixbuf: pixbuf);
+ update_image (pixbuf);
}
- public override bool draw (Cairo.Context c)
+ public void set_pixbuf(Gdk.Pixbuf? pixbuf)
{
- if (pixbuf != null)
- {
- var cached_surface = get_cached_surface (c, pixbuf);
- if (cached_surface != null)
- {
- c.set_source_surface (cached_surface, 0, 0);
- c.paint ();
- }
- }
- return false;
+ update_image (pixbuf);
}
}