greenshot/GreenshotPlugin/Effects/MonochromeEffect.cs

44 lines
1.6 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* 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 1 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.Drawing;
using System.Drawing.Drawing2D;
using GreenshotPlugin.Core;
namespace GreenshotPlugin.Effects
{
/// <summary>
/// MonochromeEffect
/// </summary>
public class MonochromeEffect : IEffect {
private readonly byte _threshold;
/// <param name="threshold">Threshold for monochrome filter (0 - 255), lower value means less black</param>
public MonochromeEffect(byte threshold) {
_threshold = threshold;
}
public void Reset() {
// TODO: Modify the threshold to have a default, which is reset here
}
public Image Apply(Image sourceImage, Matrix matrix) {
return ImageHelper.CreateMonochrome(sourceImage, _threshold);
}
}
}