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53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2007-2014 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using System.ComponentModel;
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using System.Drawing;
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namespace ShareX.ImageEffectsLib
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{
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internal class Alpha : ImageEffect
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{
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[DefaultValue(1f), Description("Pixel alpha = Pixel alpha * Value\r\nExample 0.5 will decrease alpha of pixel 50%")]
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public float Value { get; set; }
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[DefaultValue(0f), Description("Pixel alpha = Pixel alpha + Addition\r\nExample 0.5 will increase alpha of pixel 127.5")]
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public float Addition { get; set; }
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public Alpha()
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{
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this.ApplyDefaultPropertyValues();
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}
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public override Image Apply(Image img)
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{
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using (img)
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{
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return ColorMatrixManager.Alpha(Value, Addition).Apply(img);
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}
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}
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}
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} |