private void buttonEncode_Click(object sender, EventArgs e)
{
try
{
int key;
if (!int.TryParse(textBoxGetEncodeKey.Text, out key))
{
throw new Exception("Ошибка при вводе ключа!");
}
EncodeKey = Int32.Parse(textBoxGetEncodeKey.Text);
SteganoTransformation transformation = new SteganoTransformation();
SteganoContainer container = new SteganoContainer(ContainerForEncode);
SteganoMessage message = new SteganoMessage(InputMessage);
container.InitBlocks(8, 8);
container.InitBlueComponent(8, 8);
transformation.Encode(container, message, EncodeKey, 250);
container.InsertBlueComponent(8, 8);
container.SaveImage(8, 8, "encode_output.bmp");
MessageBox.Show("Успешно!\nФайл находится в директории:\n" + Directory.GetCurrentDirectory(), "Успех", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception excptn)
{
MessageBox.Show("Анта бака!\nОшибка при кодировании!\n" + excptn.Message + excptn.StackTrace, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public double [] getPSNRValues(string original, string message, int maxP, int key)
{
double [] PSNRvalues = new double[maxP];
Parallel.For(0, maxP, ctr => {
SteganoTransformation transformation = new SteganoTransformation();
SteganoContainer originalImage = new SteganoContainer(original);
SteganoContainer container = new SteganoContainer(original);
SteganoMessage originalMessage = new SteganoMessage(message);
container.InitBlocks(8, 8);
container.InitBlueComponent(8, 8);
transformation.Encode(container, originalMessage, key, ctr);
container.InsertBlueComponent(8, 8);
container.SaveBitmap(8, 8);
double buf = getPSNR(originalImage, container);
PSNRvalues[ctr] = buf;
container.Image.Dispose();
originalImage.Image.Dispose();
});
return(PSNRvalues);
}
