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StIcon: Center the icon rather than scaling it up

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Scaling up icons from the loaded size to a larger size is uniformly
ugly and results in a long series of "fuzzy icon" bugs. It's better
to just load at the specified size and center. (Centering can be
overridden by packing not-fill in the parent container.)

https://bugzilla.gnome.org/show_bug.cgi?id=633865
This commit is contained in:
Owen W. Taylor 2010-11-02 17:35:22 -04:00
parent 35400238aa
commit 3ca86b2197
1 changed files with 15 additions and 0 deletions
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15
src/st/st-icon.c
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@ -183,6 +183,21 @@ st_icon_allocate (ClutterActor *actor,
ClutterActorBox content_box;
st_theme_node_get_content_box (theme_node, box, &content_box);
/* Center the texture in the allocation; scaling up the icon from the size
* we loaded it at is just a bad idea and probably accidental. Main downside
* of doing this is that it may not be obvious that they have to turn off
* fill to align the icon non-centered in the parent container.
*
* We don't use _st_allocate_fill() for a bit of efficiency and because we
* expect to get rid of the child actor in favor of a CoglTexture in the
* future.
*/
content_box.x1 = (int)(0.5 + content_box.x1 + (content_box.x2 - content_box.x1 - priv->icon_size) / 2.);
content_box.x2 = content_box.x1 + priv->icon_size;
content_box.y1 = (int)(0.5 + content_box.y1 + (content_box.y2 - content_box.y1 - priv->icon_size) / 2.);
content_box.y2 = content_box.y1 + priv->icon_size;
clutter_actor_allocate (priv->icon_texture, &content_box, flags);
}
}