public static async Task <ProcessingResult> HandleEncryption(Bitmap originalContainerBitmap, Bitmap originalKeyBitmap, string originalFileName)
{
var encryptionStopwatch = Stopwatch.StartNew();
var result = await Svd.Encrypt(originalContainerBitmap, originalKeyBitmap, originalFileName);
encryptionStopwatch.Stop();
var encryptionMse = Helpers.CalculateMse(result.InputContainer, result.OutputContainer);
var encryptionPsnr = Helpers.CalculatePsnr(encryptionMse);
return(new ProcessingResult
{
Psnr = encryptionPsnr,
Mse = encryptionMse,
Time = encryptionStopwatch.Elapsed,
AverageBlueColor = result.AverageBlueColor,
AverageGreenColor = result.AverageGreenColor,
AverageRedColor = result.AverageRedColor,
AverageBlueColorWatermark = result.AverageBlueColorWatermark,
AverageGreenColorWatermark = result.AverageGreenColorWatermark,
AverageRedColorWatermark = result.AverageRedColorWatermark,
ContainerHeight = result.ContainerHeight,
ContainerWidth = result.ContainerWidth,
WatermarkHeight = result.WatermarkHeight,
WatermarkWidth = result.WatermarkWidth,
ContainerWithWatermark = result.OutputContainer
});
}
public static async Task <ProcessingResult> Encrypt(string originalFilePath, string originalFileName, string originalKeyPath, int brightness, int contrast, int mode)
{
var originalContainerBitmap = new Bitmap(originalFilePath);
var originalKeyBitmap = new Bitmap(originalKeyPath);
var encryptionStopwatch = Stopwatch.StartNew();
switch (mode)
{
case 1:
originalContainerBitmap =
Helpers.SetContrast(Helpers.SetBrightness(originalContainerBitmap, brightness), contrast);
break;
case 2:
originalKeyBitmap =
Helpers.SetContrast(Helpers.SetBrightness(originalKeyBitmap, brightness), contrast);
break;
}
var result = await Svd.Encrypt(originalContainerBitmap, originalKeyBitmap, originalFileName);
encryptionStopwatch.Stop();
var encryptionPsnr = Helpers.CalculatePsnr(result.InputContainer, result.OutputContainer);
return(new ProcessingResult
{
Psnr = encryptionPsnr,
Time = encryptionStopwatch.Elapsed,
AverageBlueColor = result.AverageBlueColor,
AverageGreenColor = result.AverageGreenColor,
AverageRedColor = result.AverageRedColor
});
}