private Color[,] dilatationGray(Color[,] Image, StructElement structElement)
{
if (OutputImage != null)
{
OutputImage.Dispose(); // Reset output image
}
OutputImage = new Bitmap(InputImage.Size.Width, InputImage.Size.Height); // Create new output image
//Color[,] Image = new Color[InputImage.Size.Width, InputImage.Size.Height]; // Create array to speed-up operations (Bitmap functions are very slow)
Color[,] output = new Color[InputImage.Size.Width, InputImage.Size.Height];
int[,] structMatrix = structElement.getMatrix();
for (int i = 0; i < InputImage.Size.Width; i++)
{
for (int j = 0; j < InputImage.Size.Height; j++)
{
output[i, j] = Color.FromArgb(255, 255, 255);
}
}
int offset = (structElement.getSize() - 1) / 2;
//convertImageToString(Image);
setupProgressBar();
int value = 0;
for (int u = offset; u < InputImage.Size.Width - offset; u++)
{
for (int v = offset; v < InputImage.Size.Height - offset; v++)
{
value = 0;
for (int i = -offset; i < offset; i++)
{
for (int j = -offset; j < offset; j++)
{
if (structMatrix[i + offset, j + offset] != -256) //cell off
{
if (Image[u + i, v + j].R + structMatrix[i + offset, j + offset] > 255)
{
value = Math.Max(value, 255);
}
else
{
value = Math.Max(value, (Image[u + i, v + j].R) + (structMatrix[i + offset, j + offset]));
}
}
}
}
output[u, v] = Color.FromArgb(value, value, value);
progressBar.PerformStep();
}
}
return(output);
}
private Color[,] dilatationBinary(Color[,] Image, StructElement structElement)
{
if (OutputImage != null)
{
OutputImage.Dispose(); // Reset output image
}
OutputImage = new Bitmap(InputImage.Size.Width, InputImage.Size.Height); // Create new output image
Color[,] output = new Color[InputImage.Size.Width, InputImage.Size.Height];
setupProgressBar();
int[,] H = structElement.getMatrix();
int Hsize = structElement.getSize();
for (int i = 0; i < InputImage.Size.Width; i++)
{
for (int j = 0; j < InputImage.Size.Height; j++)
{
output[i, j] = Color.FromArgb(255, 255, 255);
}
}
for (int i = 0; i < Hsize; i++)
{
for (int j = 0; j < Hsize; j++)
{
if (H[i, j] == 1)
{
for (int u = 0; u < InputImage.Size.Width - Hsize; u++)
{
for (int v = 0; v < InputImage.Size.Height - Hsize; v++)
{
if (Image[u, v].R == 0)
{
output[u + i, v + j] = Color.FromArgb(0, 0, 0);
}
}
}
}
}
}
return(output);
}