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106 lines
No EOL
3.8 KiB
C#
106 lines
No EOL
3.8 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2013 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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using Greenshot.Plugin.Drawing;
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using GreenshotPlugin.Core;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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namespace Greenshot.Memento
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{
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/// <summary>
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/// The DrawableContainerBoundsChangeMemento makes it possible to undo-redo an IDrawableContainer resize & move
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/// </summary>
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public class DrawableContainerBoundsChangeMemento : IMemento
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{
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private List<Point> points = new List<Point>();
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private List<Size> sizes = new List<Size>();
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private List<IDrawableContainer> listOfdrawableContainer;
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private void StoreBounds()
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{
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foreach (IDrawableContainer drawableContainer in listOfdrawableContainer)
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{
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points.Add(drawableContainer.Location);
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sizes.Add(drawableContainer.Size);
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}
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}
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public DrawableContainerBoundsChangeMemento(List<IDrawableContainer> listOfdrawableContainer)
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{
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this.listOfdrawableContainer = listOfdrawableContainer;
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StoreBounds();
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}
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public DrawableContainerBoundsChangeMemento(IDrawableContainer drawableContainer)
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{
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listOfdrawableContainer = new List<IDrawableContainer>();
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listOfdrawableContainer.Add(drawableContainer);
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StoreBounds();
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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// if (disposing) { }
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listOfdrawableContainer = null;
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}
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public bool Merge(IMemento otherMemento)
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{
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DrawableContainerBoundsChangeMemento other = otherMemento as DrawableContainerBoundsChangeMemento;
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if (other != null)
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{
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if (Objects.CompareLists<IDrawableContainer>(listOfdrawableContainer, other.listOfdrawableContainer))
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{
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// Lists are equal, as we have the state already we can ignore the new memento
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return true;
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}
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}
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return false;
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}
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public IMemento Restore()
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{
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DrawableContainerBoundsChangeMemento oldState = new DrawableContainerBoundsChangeMemento(listOfdrawableContainer);
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for (int index = 0; index < listOfdrawableContainer.Count; index++)
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{
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IDrawableContainer drawableContainer = listOfdrawableContainer[index];
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// Before
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drawableContainer.Invalidate();
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drawableContainer.Left = points[index].X;
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drawableContainer.Top = points[index].Y;
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drawableContainer.Width = sizes[index].Width;
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drawableContainer.Height = sizes[index].Height;
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// After
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drawableContainer.Invalidate();
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drawableContainer.Parent.Modified = true;
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}
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return oldState;
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}
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}
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} |