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// SparkleShare, a collaboration and sharing tool.
// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
//
// 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/>.
using System;
using Gtk;
namespace SparkleShare {
public static class SparkleUIHelpers {
public static Gdk.Pixbuf GetIcon (string name, int size)
{
IconTheme icon_theme = new IconTheme ();
icon_theme.AppendSearchPath (new string [] {SparkleUI.AssetsPath, "icons"}.Combine ());
foreach (string search_path in IconTheme.Default.SearchPath)
icon_theme.AppendSearchPath (search_path);
try {
return icon_theme.LoadIcon (name, size, IconLookupFlags.GenericFallback);
} catch {
try {
return icon_theme.LoadIcon ("gtk-missing-image", size, IconLookupFlags.GenericFallback);
} catch {
return null;
}
}
}
public static Image GetImage (string name)
{
string image_path = new string [] { SparkleUI.AssetsPath, "pixmaps", name }.Combine ();
return new Image (image_path);
}
// Converts a Gdk RGB color to a hex value.
// Example: from "rgb:0,0,0" to "#000000"
public static string ColorToHex (Gdk.Color color)
{
return String.Format ("#{0:X2}{1:X2}{2:X2}",
(int) Math.Truncate (color.Red / 256.00),
(int) Math.Truncate (color.Green / 256.00),
(int) Math.Truncate (color.Blue / 256.00));
}
public static Gdk.Color RGBAToColor (Gdk.RGBA rgba) {
return new Gdk.Color () {
Red = (ushort) (rgba.Red * 65535),
Green = (ushort) (rgba.Green * 65535),
Blue = (ushort)(rgba.Blue * 65535)
};
}
public static string RGBAToHex (Gdk.RGBA rgba)
{
return ColorToHex (RGBAToColor (rgba));
}
public static Gdk.Color MixColors (Gdk.Color first_color, Gdk.Color second_color, double ratio)
{
return new Gdk.Color (
Convert.ToByte ((255 * (Math.Min (65535, first_color.Red * (1.0 - ratio) +
second_color.Red * ratio))) / 65535),
Convert.ToByte ((255 * (Math.Min (65535, first_color.Green * (1.0 - ratio) +
second_color.Green * ratio))) / 65535),
Convert.ToByte ((255 * (Math.Min (65535, first_color.Blue * (1.0 - ratio) +
second_color.Blue * ratio))) / 65535)
);
}
}
}
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