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Changes for Thomas & fixed undo/redo for background changes

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1647 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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RKrom 2012-02-09 15:30:27 +00:00
commit 46758d238c
8 changed files with 164 additions and 31 deletions
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67
Greenshot/Memento/SurfaceBackgroundChangeMemento.cs Normal file
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2011 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 Greenshot.Drawing;
using Greenshot.Configuration;
namespace Greenshot.Memento {
/// <summary>
/// The SurfaceCropMemento makes it possible to undo-redo an surface crop
/// </summary>
public class SurfaceBackgroundChangeMemento : IMemento {
private Image image;
private Surface surface;
private Point offset;
public SurfaceBackgroundChangeMemento(Surface surface, Point offset) {
this.surface = surface;
this.image = surface.Image;
this.offset = new Point(-offset.X, -offset.Y);
}
public void Dispose() {
if (image != null) {
image.Dispose();
image = null;
}
}
public bool Merge(IMemento otherMemento) {
return false;
}
public LangKey ActionKey {
get {
//return LangKey.editor_crop;
return LangKey.none;
}
}
public IMemento Restore() {
SurfaceBackgroundChangeMemento oldState = new SurfaceBackgroundChangeMemento(surface, offset);
surface.UndoBackgroundChange(image, offset);
surface.Invalidate();
return oldState;
}
}
}