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authorEgmont Koblinger <egmont@gmail.com>2018-03-01 17:08:41 +0100
committerFlorian Müllner <fmuellner@gnome.org>2018-03-02 16:45:46 +0100
commit7d3cf46839fa09c55baac67c5526dccd5bec3c4c (patch)
tree0f4c9bd9b1e50bd17dfae256b2e04943f9142df5
parent6e125d9d0481c4dcb2cdc3a0fef9f84e4c046ecb (diff)
downloadmutter-23-fix-icon-scaling.tar.gz
theme: Fix icon scaling23-fix-icon-scaling
When painting the titlebar, button icons that aren't available in the desired size need to be scaled. However the current code inverses the scale factor, with the result that the adjusted icons are much worse than the original icons, whoops. This went unnoticed for a long time given that most icons are availa- ble in the desired 16x16 size, and the most likely exceptions - window icons - are not shown by default. https://gitlab.gnome.org/GNOME/mutter/issues/23
-rw-r--r--src/core/window.c4
-rw-r--r--src/ui/theme.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/src/core/window.c b/src/core/window.c
index 1a277ff12..f4ed4633b 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -446,12 +446,12 @@ meta_window_class_init (MetaWindowClass *klass)
obj_props[PROP_ICON] =
g_param_spec_pointer ("icon",
"Icon",
- "96 pixel sized icon",
+ "Normal icon, usually 96x96 pixels",
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_props[PROP_MINI_ICON] =
g_param_spec_pointer ("mini-icon",
"Mini Icon",
- "16 pixel sized icon",
+ "Mini icon, usually 16x16 pixels",
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
obj_props[PROP_DECORATED] =
g_param_spec_boolean ("decorated",
diff --git a/src/ui/theme.c b/src/ui/theme.c
index 2f527fb24..2b3cd5eaf 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -885,13 +885,13 @@ meta_frame_layout_draw_with_style (MetaFrameLayout *layout,
width = cairo_image_surface_get_width (surface) / scale;
height = cairo_image_surface_get_height (surface) / scale;
- x = button_rect.x + (button_rect.width - width) / 2;
- y = button_rect.y + (button_rect.height - height) / 2;
+ x = button_rect.x + (button_rect.width - layout->icon_size) / 2;
+ y = button_rect.y + (button_rect.height - layout->icon_size) / 2;
cairo_translate (cr, x, y);
cairo_scale (cr,
- width / layout->icon_size,
- height / layout->icon_size);
+ layout->icon_size / width,
+ layout->icon_size / height);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);