private async Task <UploadedImage> CreateUploadedImageAsync(string fileName, IFormFile formFile)
{
UploadedImage uploadedImage = new UploadedImage(fileName);
using (var memoryStream = new MemoryStream())
{
await formFile.CopyToAsync(memoryStream);
uploadedImage.Data = memoryStream.ToArray();
uploadedImage.Image = System.Drawing.Image.FromStream(memoryStream);
}
return(uploadedImage);
}
private byte[] ScaleImage(UploadedImage uploadedImage, double maxWidth)
{
if (uploadedImage.Image.Width > maxWidth)
{
double scaleFactor = uploadedImage.Image.Width / maxWidth;
double scaledHeight = uploadedImage.Image.Height / scaleFactor;
var bitmap = _imageResizer.ResizeImage(uploadedImage.Image, (int)maxWidth, (int)scaledHeight);
byte[] scaledFile;
using (var memoryStream = new MemoryStream())
{
bitmap.Save(memoryStream, ImageFormat.Png);
scaledFile = memoryStream.ToArray();
}
return(scaledFile);
}
else
{
return(uploadedImage.Data);
}
}
