} //****************************** end ImageToBitmapOld ****************************************/
public void LabToBitmap(Bitmap bmp, CImageComp Image)
{
if (Image.N_Bits != 8)
{
MessageBox.Show("LabToBitmap: Not suitable format of 'Image'; N_Bits=" + Image.N_Bits);
return;
}
switch (bmp.PixelFormat)
{
case PixelFormat.Format24bppRgb: nbyte = 3; break;
case PixelFormat.Format8bppIndexed:
MessageBox.Show("LabToBitmap: Not suitable pixel format=" + bmp.PixelFormat);
return;
default: MessageBox.Show("LabToBitmap: Not suitable pixel format=" + bmp.PixelFormat);
return;
}
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
BitmapData bmpData = bmp.LockBits(rect, ImageLockMode.ReadWrite, bmp.PixelFormat);
IntPtr ptr = bmpData.Scan0;
int size = bmp.Width * bmp.Height;
int bytes = Math.Abs(bmpData.Stride) * bmp.Height;
byte[] rgbValues = new byte[bytes];
Color color;
int index = 0;
int Len = bmp.Height, jump, nStep = 50;
if (Len > 2 * nStep)
{
jump = Len / nStep;
}
else
{
jump = 2;
}
progressBar1.Step = 1;
progressBar1.Visible = true;
for (int y = 0; y < bmp.Height; y++)
{
if (y % jump == jump - 1)
{
progressBar1.PerformStep();
}
for (int x = 0; x < bmp.Width; x++)
{
color = Image.Palette[Image.Lab[x + bmp.Width * y] & 255];
index = 3 * x + Math.Abs(bmpData.Stride) * y;
rgbValues[index + 0] = color.B;
rgbValues[index + 1] = color.G;
rgbValues[index + 2] = color.R;
}
}
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ptr, bytes);
bmp.UnlockBits(bmpData);
} //****************************** end LabToBitmap ***********************
public CImageComp(ref CImageComp inp) // copy-constructor
{
width = inp.width;
height = inp.height;
N_Bits = inp.N_Bits;
Grid = new byte[width * height * (N_Bits / 8)];
Lab = new int[width * height];
for (int i = 0; i < width * height * (N_Bits / 8); i++)
{
Grid[i] = inp.Grid[i];
}
for (int p = 0; p < 256; p++)
{
Palette[p] = inp.Palette[p];
}
}
private void button1_Click(object sender, EventArgs e) // Open image
{
label1.Visible = false;
label2.Visible = false;
label3.Visible = false;
label4.Visible = false;
label5.Visible = false;
label6.Visible = false;
button2.Visible = false;
button3.Visible = false;
button4.Visible = false;
button5.Visible = false;
button6.Visible = false;
button8.Visible = false;
numericUpDown1.Visible = false;
numericUpDown2.Visible = false;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
OrigBmp = new Bitmap(openFileDialog1.FileName);
OpenImageFile = openFileDialog1.FileName;
}
catch (Exception ex)
{
MessageBox.Show("Open image; Could not read file from disk. Error: " +
ex.Message);
}
}
else
{
return;
}
label1.Visible = true;
label3.Text = "Opened image:" + openFileDialog1.FileName;
label3.Visible = true;
button4.Visible = true;
label6.Visible = true;
label6.Text = "Click 'Segment'";
width = OrigBmp.Width;
height = OrigBmp.Height;
ORIG = true;
progressBar1.Maximum = 100;
progressBar1.Value = 0;
progressBar1.Step = 1;
nLoop = 1;
denomProg = progressBar1.Maximum / progressBar1.Step;
if (OrigBmp.PixelFormat == PixelFormat.Format8bppIndexed)
{
OrigIm = new CImage(width, height, 8);
BitmapToImageOld(OrigBmp, OrigIm);
}
else if (OrigBmp.PixelFormat == PixelFormat.Format24bppRgb)
{
OrigIm = new CImage(width, height, 24);
BitmapToImage(OrigBmp, OrigIm);
}
else
{
MessageBox.Show("Not suitable pixel format=" + OrigBmp.PixelFormat);
return;
}
pictureBox1.Image = OrigBmp;
ImpulseIm = new CImage(width, height, 8); //, Grid);
SegmentIm = new CImage(width, height, 8);
BreadthFirIm = new CImageComp(width, height, 8);
RootIm = new CImageComp(width, height, 8);
progressBar1.Value = 0;
label1.Text = " Original image ";
} //****************************** end Open image ****************************************
