public static void AddGaussSalt(Bitmap srcBmp, out Bitmap dstBmp, GaussParam gp)
{
// Bitmap pic = (Bitmap)Bitmap.FromFile(filename, false);
dstBmp = srcBmp;
int width = dstBmp.Width;
int height = dstBmp.Height;
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
int noise = (int)(GaussNoise(gp.u, gp.d) * gp.k);
Color noiseC = dstBmp.GetPixel(j, i);
Color color = Color.FromArgb(valChange(noiseC.R, noise), valChange(noiseC.G, noise), valChange(noiseC.B, noise));
dstBmp.SetPixel(j, i, color);
}
}
}
private void button_Add_Gauss_Click(object sender, EventArgs e)
{
label_state.Text = "Processing";
label_state.BackColor = Color.Yellow;
Button b = (Button)sender;
b.Enabled = false;
Bitmap newBmp;
GaussParam g = new GaussParam(((float)trackBar_Nu.Value) / 10, ((float)trackBar_Nd.Value) / 10, trackBar_Nk.Value);
Task t = new Task(() => {
ProcessFunctions.AddGaussSalt(noise_oldBmp, out newBmp, g);
this.pictureBox_WorkPlace.Image = ToolFunctions.GetThumbnail((Bitmap)newBmp.Clone(), pictureBox_WorkPlace.Height, pictureBox_WorkPlace.Width) as Image;
noise_oldBmp = newBmp;
});
t.Start();
t.Wait();
b.Enabled = true;
label_state.Text = "Finish";
label_state.BackColor = Color.Green;
}