mirror of
https://github.com/greenshot/greenshot
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f3b0878b02
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1282 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
54 lines
2 KiB
C#
54 lines
2 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2011 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 System;
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using System.Drawing;
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namespace Greenshot.Helpers {
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/// <summary>
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/// Description of ImageHelper.
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/// </summary>
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public class ImageHelper {
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private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(ImageHelper));
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private ImageHelper() {
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}
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/// <summary>
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/// Crops the image to the specified rectangle
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/// </summary>
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/// <param name="image">Image to crop</param>
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/// <param name="cropRectangle">Rectangle with bitmap coordinates, will be "intersected" to the bitmap</param>
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public static bool Crop(ref Image image, ref Rectangle cropRectangle) {
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Image returnImage = null;
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if (image != null && image is Bitmap && ((image.Width * image.Height) > 0)) {
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cropRectangle.Intersect(new Rectangle(0,0, image.Width, image.Height));
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if (cropRectangle.Width != 0 || cropRectangle.Height != 0) {
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returnImage = (image as Bitmap).Clone(cropRectangle, image.PixelFormat);
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image.Dispose();
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image = returnImage;
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return true;
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}
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}
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LOG.Warn("Can't crop a null/zero size image!");
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return false;
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}
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}
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}
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