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annotate Chronosv2/source/Extensions/ImageExtensions.cs @ 10:443821e55f06

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Initial cleaned up add from Codeplex files
author stevenh7776 stevenhollidge@hotmail.com
date Tue, 21 Feb 2012 17:25:44 +0700
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1 using System;
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2 using System.Drawing;
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3 using System.Drawing.Drawing2D;
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4
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5 namespace Chronos.Extensions
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6 {
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7 public static class ImageExtensions
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8 {
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9 #region · Extensions ·
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10
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11 /// <summary>
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12 /// Resizes the specified image.
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13 /// </summary>
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14 /// <param name="image">The image.</param>
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15 /// <param name="size">The size.</param>
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16 /// <returns></returns>
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17 public static Image Resize(this Image image, Size size)
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18 {
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19 Size newSize = new Size(size.Width, size.Height);
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20
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21 if (image.Size.Width > image.Size.Height)
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22 {
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23 newSize.Height = (image.Size.Height * size.Width) / image.Size.Width;
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24 }
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25 else
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26 {
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27 newSize.Width = (image.Size.Width * size.Height) / image.Size.Height;
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28 }
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29
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30 Rectangle rectangle = new Rectangle(0, 0, newSize.Width, newSize.Height);
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31 Image resized = new Bitmap(newSize.Width, newSize.Height, image.PixelFormat);
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32
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33 using (Graphics graphic = Graphics.FromImage(resized))
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34 {
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35 graphic.CompositingQuality = CompositingQuality.HighQuality;
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36 graphic.SmoothingMode = SmoothingMode.HighQuality;
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37 graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
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39 graphic.DrawImage((System.Drawing.Image)image.Clone(), rectangle);
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40 }
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41
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42 return resized;
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43 }
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44
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45 #endregion
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46 }
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47 }