public int LowBit { get; set; }
Represents a value that indicates the low bit used for leveling. 0 <= LowBit <= HighBit <= (11 for 12-bit grayscale or 15 for 16-bit grayscale).
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
using Leadtools.WinForms.CommonDialogs.Color;
public void windowLevelDlg_Help(object sender, RasterColorDialogHelpEventArgs e)
{
if (e.Dialog == RasterColorDialogHelpName.WindowLevel)
{
MessageBox.Show("Window Level dialog Help");
}
}
public void WindowLevelDialogExample()
{
// initialize the RasterCodecs
RasterCodecs codecs = new RasterCodecs();
// load an image
RasterImage rasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Beauty16.jpg"));
int size;
RasterWindowLevelDialog windowLevelDlg = new RasterWindowLevelDialog();
MinMaxBitsCommand minMaxBitsCmd = new MinMaxBitsCommand();
MinMaxValuesCommand minMaxValuesCmd = new MinMaxValuesCommand();
size = (1 << (rasterImage.HighBit - rasterImage.LowBit + 1));
minMaxBitsCmd.Run(rasterImage);
windowLevelDlg.LowBit = minMaxBitsCmd.MinimumBit;
windowLevelDlg.HighBit = minMaxBitsCmd.MaximumBit;
minMaxValuesCmd.Run(rasterImage);
windowLevelDlg.Low = minMaxValuesCmd.MinimumValue;
windowLevelDlg.High = minMaxValuesCmd.MaximumValue;
windowLevelDlg.AutoProcess = false;
windowLevelDlg.Factor = 0;
windowLevelDlg.Image = rasterImage;
windowLevelDlg.ZoomToFit = true;
windowLevelDlg.ShowPreview = true;
windowLevelDlg.ShowZoomLevel = true;
windowLevelDlg.ShowHelp = false;
windowLevelDlg.ShowRange = true;
windowLevelDlg.Signed = rasterImage.Signed;
windowLevelDlg.LookupTable = new Leadtools.RasterColor[size];
windowLevelDlg.StartColor = new Leadtools.RasterColor(0, 0, 0);
windowLevelDlg.EndColor = new Leadtools.RasterColor(255, 255, 255);
windowLevelDlg.WindowLevelFlags = Leadtools.RasterPaletteWindowLevelFlags.Inside | Leadtools.RasterPaletteWindowLevelFlags.Linear;
windowLevelDlg.Help += new EventHandler<RasterColorDialogHelpEventArgs>(windowLevelDlg_Help);
if (DialogResult.OK == windowLevelDlg.ShowDialog(null))
{
WindowLevelCommand command = new WindowLevelCommand();
command.HighBit = windowLevelDlg.HighBit;
command.LowBit = windowLevelDlg.LowBit;
command.LookupTable = windowLevelDlg.LookupTable;
command.Order = Leadtools.RasterByteOrder.Bgr;
command.Run(rasterImage);
}
// save the resulted image
codecs.Save(rasterImage, Path.Combine(LEAD_VARS.ImagesDir, "WindowLevelDialogResult.bmp"), RasterImageFormat.Bmp, 24);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}