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authorAlessandro Ghedini <al3xbio@gmail.com>2011-11-20 15:50:38 +0100
committerAlessandro Ghedini <al3xbio@gmail.com>2011-11-20 15:50:38 +0100
commitd6b2677825cbb423e2099563c16321c3e23d7899 (patch)
treefd04dbf76a9bc0fdd3f7755e65d1c175ac5c99dd /src/utilities/themedIcon.vala
parent6451a495637c6e3047a5a56573cffc6e3de9a515 (diff)
Imported Upstream version 0.3.1upstream/0.3.1
Diffstat (limited to 'src/utilities/themedIcon.vala')
-rw-r--r--src/utilities/themedIcon.vala161
1 files changed, 0 insertions, 161 deletions
diff --git a/src/utilities/themedIcon.vala b/src/utilities/themedIcon.vala
deleted file mode 100644
index 29ae380..0000000
--- a/src/utilities/themedIcon.vala
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
-Copyright (c) 2011 by Simon Schneegans
-
-This program is free software: you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the Free
-Software Foundation, either version 3 of the License, or (at your option)
-any later version.
-
-This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-more details.
-
-You should have received a copy of the GNU General Public License along with
-this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-namespace GnomePie {
-
-/////////////////////////////////////////////////////////////////////////
-/// A class representing a square-shaped icon, themed according to the
-/// current theme of Gnome-Pie.
-/////////////////////////////////////////////////////////////////////////
-
-public class ThemedIcon : Image {
-
- /////////////////////////////////////////////////////////////////////
- /// A cache which stores loaded icon. The key is the icon name. When
- /// the users icon theme or the theme of Gnome-Pie changes, these
- /// cahces are cleared.
- /////////////////////////////////////////////////////////////////////
-
- private static Gee.HashMap<string, Cairo.ImageSurface?> active_cache { private get; private set; }
- private static Gee.HashMap<string, Cairo.ImageSurface?> inactive_cache { private get; private set; }
-
- /////////////////////////////////////////////////////////////////////
- /// Initializes the caches.
- /////////////////////////////////////////////////////////////////////
-
- public static void init() {
- clear_cache();
-
- Config.global.notify["theme"].connect(() => {
- clear_cache();
- });
-
- Gtk.IconTheme.get_default().changed.connect(() => {
- clear_cache();
- });
- }
-
- /////////////////////////////////////////////////////////////////////
- /// Clears the cache.
- /////////////////////////////////////////////////////////////////////
-
- public static void clear_cache() {
- active_cache = new Gee.HashMap<string, Cairo.ImageSurface?>();
- inactive_cache = new Gee.HashMap<string, Cairo.ImageSurface?>();
- }
-
- /////////////////////////////////////////////////////////////////////
- /// Paint a slice icon according to the current theme.
- /////////////////////////////////////////////////////////////////////
-
- public ThemedIcon(string icon_name, bool active) {
- // check cache
- var current_cache = active ? active_cache : inactive_cache;
- var cached = current_cache.get(icon_name);
-
- if (cached != null) {
- this.surface = cached;
- return;
- }
-
- // get layers for the desired slice type
- var layers = active ? Config.global.theme.active_slice_layers : Config.global.theme.inactive_slice_layers;
-
- // get max size
- int size = 0;
- foreach (var layer in layers) {
- if (layer.image.width() > size) size = layer.image.width();
- }
-
- this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, size, size);
-
- // get size of icon layer
- int icon_size = size;
- foreach (var layer in layers) {
- if (layer.is_icon) icon_size = layer.image.width();
- }
-
- Image icon;
- if (icon_name.contains("/"))
- icon = new Image.from_file_at_size(icon_name, icon_size, icon_size);
- else
- icon = new Icon(icon_name, icon_size);
-
- var color = new Color.from_icon(icon);
- var ctx = this.context();
-
- ctx.translate(size/2, size/2);
- ctx.set_operator(Cairo.Operator.OVER);
-
- // now render all layers on top of each other
- foreach (var layer in layers) {
-
- if (layer.colorize) {
- ctx.push_group();
- }
-
- if (layer.is_icon) {
-
- ctx.push_group();
-
- layer.image.paint_on(ctx);
-
- ctx.set_operator(Cairo.Operator.IN);
-
- if (layer.image.width() != icon_size) {
- if (icon_name.contains("/"))
- icon = new Image.from_file_at_size(icon_name, layer.image.width(), layer.image.width());
- else
- icon = new Icon(icon_name,layer.image.width());
- }
-
- icon.paint_on(ctx);
-
- ctx.pop_group_to_source();
- ctx.paint();
- ctx.set_operator(Cairo.Operator.OVER);
-
- } else {
- layer.image.paint_on(ctx);
- }
-
- // colorize the whole layer if neccasary
- if (layer.colorize) {
- ctx.set_operator(Cairo.Operator.ATOP);
- ctx.set_source_rgb(color.r, color.g, color.b);
- ctx.paint();
-
- ctx.set_operator(Cairo.Operator.OVER);
- ctx.pop_group_to_source();
- ctx.paint();
- }
- }
-
- // store the surface in cache
- current_cache.set(icon_name, this.surface);
- }
-
- /////////////////////////////////////////////////////////////////////
- /// Returns the size of the icon in pixels. Greetings to Liskov.
- /////////////////////////////////////////////////////////////////////
-
- public int size() {
- return base.width();
- }
-}
-
-}