private byte[] ResizeImage(System.Drawing.Image image, int width, int height)
{
var stream = new MemoryStream();
image.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
try {
var wand = new MagickWand();
wand.ReadImageBlob(stream.ToArray());
wand.ResizeImage(width, height, FilterType.Mitchell, 0.5);
return(wand.GetImageBlob());
} catch (Exception ex) {
Debug.Fail(ex.ToString());
}
return(stream.ToArray());
}
/// <summary>
/// Uses ImageMagick to convert icon to grayscale and lighten it
/// </summary>
private byte[] ApplyDisabledStyling(System.Drawing.Image image)
{
var stream = new MemoryStream();
image.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
try {
var wand = new MagickWand();
wand.ReadImageBlob(stream.ToArray());
wand.ImageType = ImageType.GrayscaleMatte;
wand.EvaluateImage(MagickEvaluateOperator.DivideEvaluateOperator, 4);
return(wand.GetImageBlob());
} catch (Exception ex) {
Debug.Fail(ex.ToString());
}
return(stream.ToArray());
}
byte[] ResizeImage(Image image, int width, int height)
{
var stream = new MemoryStream();
image.Save(stream, ImageFormat.Png);
try {
var wand = new MagickWand();
wand.ReadImageBlob(stream.ToArray());
wand.ResizeImage(width, height, FilterType.Mitchell, 0.5);
return(wand.GetImageBlob());
} catch (Exception ex) {
Debug.Fail(ex.ToString());
// http://stackoverflow.com/a/24199315/1976323
var destRect = new Rectangle(0, 0, width, height);
var destImage = new Bitmap(width, height);
destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using (var graphics = Graphics.FromImage(destImage))
{
graphics.CompositingMode = CompositingMode.SourceCopy;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
using (var wrapMode = new ImageAttributes())
{
wrapMode.SetWrapMode(WrapMode.TileFlipXY);
graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
}
}
stream.Seek(0, SeekOrigin.Begin);
destImage.Save(stream, ImageFormat.Png);
}
return(stream.ToArray());
}