public static byte[] ScaleImage(byte[] sourceImageBytes, int frameWidth, int frameHeight, out ImageFormat imageFormat)
{
System.Drawing.Image image;
try
{
image = System.Drawing.Image.FromStream(new MemoryStream(sourceImageBytes), true, false);
imageFormat = ImageUtility.GetTargetImageFormat(image.RawFormat);
}
catch
{
imageFormat = null;
return(null);
}
int num = Math.Max(image.Width / frameWidth, image.Height / frameHeight);
System.Drawing.Image image2;
if (num > 1)
{
int width = image.Width / num;
int height = image.Height / num;
image2 = new Bitmap(width, height);
using (Graphics graphics = Graphics.FromImage(image2))
{
graphics.DrawImage(image, 0, 0, width, height);
}
image.Dispose();
}
else
{
if (ImageUtility.IsSupportedBySilverlight(image.RawFormat))
{
return(sourceImageBytes);
}
image2 = image;
}
MemoryStream memoryStream = new MemoryStream();
image2.Save(memoryStream, imageFormat);
image2.Dispose();
return(memoryStream.GetBuffer());
}
public static byte[] ScaleImage(byte[] sourceImageBytes, RVUnit frameWidth, RVUnit frameHeight)
{
ImageFormat imageFormat = default(ImageFormat);
return(ImageUtility.ScaleImage(sourceImageBytes, (int)ImageUtility.ConvertToPixels(frameWidth), (int)ImageUtility.ConvertToPixels(frameHeight), out imageFormat));
}