public static Stream GetVector(ApiPattern pattern, string filter)
{
var bitmap = GetMergedBitmap(pattern);
var stream = FiltersHandler.ApplySvgFilter(bitmap, filter);
return(stream);
}
public PatternImage CanvasesToPatternImage(ApiPattern pattern, int scale, String filterName)
{
if (scale < 1 || scale > 4)
{
throw new ArgumentException("Scale can't be less than 1 and more than 4");
}
var mergedBitmap = GetMergedBitmap(pattern);
mergedBitmap = FiltersHandler.ApplyFilter(mergedBitmap, scale, filterName);
byte[] bytes;
String contentType;
using (var stream = new MemoryStream())
{
var pixelsCount = mergedBitmap.Width * mergedBitmap.Height;
if (pixelsCount < 500 * 500)
{
mergedBitmap.Save(stream, ImageFormat.Png);
contentType = "image/png";
}
else
{
var quality = pixelsCount < 700 * 700
? 100L
: pixelsCount < 1000 * 1000
? 80L
: 60L;
ImageCodecInfo jgpEncoder = GetEncoder(ImageFormat.Jpeg);
Encoder myEncoder = Encoder.Quality;
var myEncoderParameters = new EncoderParameters(1);
var myEncoderParameter = new EncoderParameter(myEncoder, quality);
myEncoderParameters.Param[0] = myEncoderParameter;
mergedBitmap.Save(stream, jgpEncoder, myEncoderParameters);
contentType = "image/jpeg";
}
stream.Close();
bytes = stream.ToArray();
}
var result = new PatternImage()
{
RawData = bytes,
ContentType = contentType
};
return(result);
}