public static IServiceCollection AddMaImage(this IServiceCollection services, Action <ImageProcessSettings> config)
{
ImageProcessSettings ims = new ImageProcessSettings();
config.Invoke(ims);
services.AddSingleton <IImageProcessSettings>(ims);
return(services.AddScoped <IImageProcess, ImageProcess>());
}
public void Process(IFormFile file, FileStream outStream, Action <IImageProcessSettings> settings)
{
IImageProcessSettings currentSettings = new ImageProcessSettings()
{
DestImageSize = _settings.DestImageSize,
EncodeQuality = _settings.EncodeQuality,
UseWatermark = _settings.UseWatermark,
EncodeSample = _settings.EncodeSample,
WatermarkFullPath = _settings.WatermarkFullPath,
WatermarkUrl = _settings.WatermarkUrl
};
settings.Invoke(currentSettings);
if (currentSettings.UseWatermark)
{
currentSettings.SetUrl(_hostingEnvironment.WebRootPath);
}
Image watermark = null;
if (currentSettings.UseWatermark)
{
watermark = Image.Load(currentSettings.WatermarkFullPath);
}
var inStream = file.OpenReadStream();
using (var image = Image.Load(inStream, out IImageFormat format))
{
Action <IImageProcessingContext> processAction = (i) =>
{
i.Resize(new ResizeOptions()
{
Mode = ResizeMode.Max,
Compand = true,
Size = new SixLabors.Primitives.Size(currentSettings.DestImageSize.Width, currentSettings.DestImageSize.Height)
});
if (currentSettings.UseWatermark)
{
i.DrawWatermark(watermark, image, currentSettings.DestImageSize.Width, currentSettings.DestImageSize.Height);
}
};
image.Mutate(processAction);
image.Save(outStream,
new JpegEncoder()
{
Quality = currentSettings.EncodeQuality,
Subsample = ((JpegSubsample)(int)currentSettings.EncodeSample)
});
}
}
