GIF Converter
//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Web;
using System;
namespace Adventureworks.Infrastructure.Utilities
{
public class GifConverter
{
public static byte[] ConvertGif(Bitmap Image)
{
MemoryStream objStream = new MemoryStream();
ImageCodecInfo objImageCodecInfo = GetEncoderInfo("image/jpeg");
EncoderParameters objEncoderParameters;
try
{
if (Image == null)
throw new Exception("ImageObject is not initialized.");
objEncoderParameters = new EncoderParameters(3);
objEncoderParameters.Param[0] = new EncoderParameter(Encoder.Compression,
(long)EncoderValue.CompressionLZW);
objEncoderParameters.Param[1] = new EncoderParameter(Encoder.Quality, 100L);
objEncoderParameters.Param[2] = new EncoderParameter(Encoder.ColorDepth, 24L);
Image.Save(objStream, objImageCodecInfo, objEncoderParameters);
}
catch
{
throw;
}
return objStream.ToArray();
}
private static ImageCodecInfo GetEncoderInfo(String mimeType)
{
int j;
ImageCodecInfo[] encoders;
encoders = ImageCodecInfo.GetImageEncoders();
for (j = 0; j < encoders.Length; ++j)
{
if (encoders[j].MimeType == mimeType)
return encoders[j];
}
return null;
}
}
}
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