private DtoImage AddOverlay(DtoImage sourcefile, string overlayId, int resolution)
{
var outputfile = new DtoImage();
using (var inputstream = new MemoryStream(sourcefile.Data))
using (var overlay = GetOverlay(overlayId, resolution))
using (var output = new MemoryStream())
{
var imgInput = new Image(inputstream);
var imgOverlay = new Image(overlay);
int height = Convert.ToInt32(Math.Sqrt((resolution * 1000000) / (((double)imgInput.Height) * (double)imgInput.Width)) * (double)imgInput.Height);
int width = Convert.ToInt32(Math.Sqrt((resolution * 1000000) / (((double)imgInput.Height) * (double)imgInput.Width)) * (double)imgInput.Width);
int overlaysize = Convert.ToInt32((double)width * 0.2);
int padding = overlaysize + (resolution * 10);
imgInput.Resize(width, height)
.Blend(imgOverlay.Resize(overlaysize, overlaysize).Pad(padding, padding), 80)
.Save(output);
outputfile.Data = output.ToArray();
outputfile.FileName = sourcefile.FileName;
}
return(outputfile);
}
public async Task <FileUploadResult> HandleUpload(string fileName, Stream inputStream)
{
var dtoImages = new DtoImage();
var bytes = new byte[16 * 1024];
using (var memoryStream = new MemoryStream())
{
int count;
while ((count = inputStream.Read(bytes, 0, bytes.Length)) > 0)
{
memoryStream.Write(bytes, 0, count);
}
dtoImages.Data = memoryStream.ToArray();
}
dtoImages.FileName = fileName;
return(new FileUploadResult {
Identifier = await SaveMessageObject(dtoImages)
});
}
