void SaveImage(string glyph, IFormFile file) { string ssDirPath = Path.Combine("wwwroot", "Screenshots", glyph); if (Directory.Exists(ssDirPath) == false) { Directory.CreateDirectory(ssDirPath); } string Id = System.Guid.NewGuid().ToString("N"); string filePath = Path.Combine(ssDirPath, $"{Id}.png"); string thumbPath = Path.Combine(ssDirPath, $"{Id}-thumb.png"); using (var img = Image.Load <Rgba32>(file.OpenReadStream())) { // Main Image using (var output = FileIo.OpenWrite(filePath)) { if (img.Width > 1920 || img.Height > 1080) { img.Mutate(i => i.Resize(1920, 1080)); } img.SaveAsPng(output); } // Thumbnail using (var output = FileIo.OpenWrite(thumbPath)) { img.Mutate(i => i.Resize(256, 128)); img.SaveAsPng(output); } } }