public static ImageResult CreateImageFrom(byte[] bytes, ImageFormat format)
{
byte[] nonIndexedImageBytes;
using (var memoryStream = new MemoryStream(bytes))
using (var image = Image.FromStream(memoryStream))
using (var temporaryBitmap = new Bitmap(image.Width, image.Height))
{
using (var graphics = Graphics.FromImage(temporaryBitmap))
{
graphics.DrawImage(image, new Rectangle(0, 0, temporaryBitmap.Width, temporaryBitmap.Height),
0, 0, temporaryBitmap.Width, temporaryBitmap.Height, GraphicsUnit.Pixel);
}
ImagePropertyItems.Copy(image, temporaryBitmap);
using (var saveStream = new MemoryStream())
{
temporaryBitmap.Save(saveStream, format);
nonIndexedImageBytes = saveStream.ToArray();
}
}
return(new ImageResult(nonIndexedImageBytes, format));
}
public Image Crop()
{
CalculateCropSizes();
CreateEmptyBitmap();
DrawCroppedImageOnBitmap();
ImagePropertyItems.Copy(_image, _croppedImage);
return(_croppedImage);
}
protected static Image ResizeImageToViewport(Image image, int targetWidth, int targetHeight)
{
var resizedImage = new Bitmap(targetWidth, targetHeight);
resizedImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using (var graphics = Graphics.FromImage(resizedImage))
{
SetHighestQualitySettings(graphics);
graphics.DrawImage(image, 0, 0, targetWidth, targetHeight);
}
ImagePropertyItems.Copy(image, resizedImage);
return(resizedImage);
}