Mega Code Archive
Create Thumbnail Image
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///////////////////////////////////////////////////////////////////////////////////////////////
//
// This File is Part of the CallButler Open Source PBX (http://www.codeplex.com/callbutler
//
// Copyright (c) 2005-2008, Jim Heising
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution.
//
// * Neither the name of Jim Heising nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
namespace WOSI.Utilities
{
public class ImageUtils
{
public static Image CreateThumbnailImage(int width, int height, Image image, bool center)
{
// Create our new image
Bitmap newImage = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(newImage))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
if (center && image.Width != image.Height)
{
Rectangle srcRect = new Rectangle();
if (image.Width > image.Height)
{
srcRect.Width = image.Height;
srcRect.Height = image.Height;
srcRect.X = (image.Width - image.Height) / 2;
srcRect.Y = 0;
}
else
{
srcRect.Width = image.Width;
srcRect.Height = image.Width;
srcRect.Y = (image.Height - image.Width) / 2;
srcRect.X = 0;
}
g.DrawImage(image, new Rectangle(0, 0, newImage.Width, newImage.Height), srcRect.X, srcRect.Y, srcRect.Width, srcRect.Height, GraphicsUnit.Pixel);
}
else
{
g.DrawImage(image, 0, 0, width, height);
}
}
return newImage;
}
public static Image CreateThumbnailImage(int size, Image image, bool center)
{
return CreateThumbnailImage(size, size, image, center);
}
public static Image GetImageFromBytes(byte[] imageBytes)
{
try
{
using (MemoryStream ms = new MemoryStream(imageBytes))
{
Image image = Image.FromStream(ms);
return image;
}
}
catch
{
return null;
}
}
public static byte[] GetImageBytes(Image image, ImageFormat format)
{
byte[] imageBytes;
try
{
using (MemoryStream ms = new MemoryStream())
{
image.Save(ms, format);
imageBytes = ms.ToArray();
return imageBytes;
}
}
catch
{
return null;
}
}
}
}
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