greenshot/PluginExample/GreyscaleProcessor.cs
2014-01-08 21:30:56 +01:00

78 lines
2.5 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2014 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/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;
using System.Drawing;
using System.Windows.Forms;
using Greenshot.Plugin;
using GreenshotPlugin.Core;
using Greenshot.IniFile;
namespace PluginExample {
/// <summary>
/// This processor shows how the current surface could be modified before it's passed to the editor or another destination
/// </summary>
public class GreyscaleProcessor : AbstractProcessor {
private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(GreyscaleProcessor));
private static PluginExampleConfiguration conf = IniConfig.GetIniSection<PluginExampleConfiguration>();
private IGreenshotHost host;
public GreyscaleProcessor(IGreenshotHost host) {
this.host = host;
}
public override string Designation {
get {
return "Greyscale";
}
}
public override string Description {
get {
return Designation;
}
}
public override bool isActive {
get {
return conf.GreyscaleProcessor;
}
}
public override bool ProcessCapture(ISurface surface, ICaptureDetails captureDetails) {
LOG.DebugFormat("Changing surface to grayscale!");
using (BitmapBuffer bbb = new BitmapBuffer(surface.Image as Bitmap, false)) {
bbb.Lock();
for(int y=0;y<bbb.Height; y++) {
for(int x=0;x<bbb.Width; x++) {
Color color = bbb.GetColorAt(x, y);
int luma = (int)((0.3*color.R) + (0.59*color.G) + (0.11*color.B));
color = Color.FromArgb(luma, luma, luma);
bbb.SetColorAt(x, y, color);
}
}
}
return true;
}
}
}