Generating a resized image with maximum image quality

Here's some code I use for generating a resized image with no Jpeg compression.

public MemoryStream GetResized(Bitmap originalImage, int width, int height)
{
    System.Drawing.Image outputImage;
    MemoryStream outputStream = new MemoryStream();

    //Get codecs
    ImageCodecInfo[] icf = ImageCodecInfo.GetImageEncoders();

    EncoderParameters encps = new EncoderParameters(1);
    EncoderParameter encp = new EncoderParameter(Encoder.Quality, (long)100);

    //Set quality
    encps.Param[0] = encp;

    outputImage = originalImage.GetThumbnailImage(width, height, ThumbNailCallback(), IntPtr.Zero);
    outputImage.Save(outputStream, icf[1], encps);

    return outputStream;
}
Author Paul Hayman

Paul is the COO of kwiboo ltd and has more than 20 years IT consultancy experience. He has consulted for a number of blue chip companies and has been exposed to the folowing sectors: Utilities, Telecommunications, Insurance, Media, Investment Banking, Leisure, Legal, CRM, Pharmaceuticals, Interactive Gaming, Mobile Communications, Online Services.

Paul is the COO and co-founder of kwiboo (http://www.kwiboo.com/) and is also the creator of GeekZilla.

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