PaintGamma Property (original) (raw)
Summary
Gets or sets the current gamma correction value for the image.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public int PaintGamma { get; set; } @property (nonatomic, assign) NSUInteger paintGamma public int getPaintGamma();
public void setPaintGamma(
int intValue
);
public:
property int PaintGamma {
int get();
void set ( int );
}
Property Value
The current gamma correction value.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Dicom;
using Leadtools.Drawing;
using Leadtools.Controls;
using Leadtools.Svg;
public void IntensityExample()
{
IntensityForm f = new IntensityForm();
f.ShowDialog();
}
class IntensityForm : Form
{
ImageViewer viewer;
TrackBar gammaTrackBar;
TrackBar contrastTrackBar;
TrackBar intensityTrackBar;
public IntensityForm()
{
// Create the controls
Size = new Size(800, 600);
Panel controlsPanel = new Panel();
controlsPanel.Size = new Size(400, 0);
controlsPanel.BorderStyle = BorderStyle.Fixed3D;
controlsPanel.Dock = DockStyle.Left;
int labelLeft = 8;
int y = 16;
int trackBarLeft = 100;
Label gammaLabel = new Label();
gammaLabel.Text = "Gamma:";
gammaLabel.Location = new Point(labelLeft, y);
gammaLabel.AutoSize = true;
controlsPanel.Controls.Add(gammaLabel);
gammaTrackBar = new TrackBar();
gammaTrackBar.Minimum = 1;
gammaTrackBar.Maximum = 100;
gammaTrackBar.TickFrequency = (gammaTrackBar.Maximum - gammaTrackBar.Minimum) / 10;
gammaTrackBar.Location = new Point(trackBarLeft, y);
gammaTrackBar.Width = 200;
gammaTrackBar.Scroll += new EventHandler(gammaTrackBar_Scroll);
controlsPanel.Controls.Add(gammaTrackBar);
gammaLabel.Top = gammaTrackBar.Top + (gammaTrackBar.Height - gammaLabel.Height) / 2;
y = gammaTrackBar.Bottom + 8;
Label contrastLabel = new Label();
contrastLabel.Text = "Contrast:";
contrastLabel.Location = new Point(labelLeft, y);
contrastLabel.AutoSize = true;
controlsPanel.Controls.Add(contrastLabel);
contrastTrackBar = new TrackBar();
contrastTrackBar.Minimum = -1000;
contrastTrackBar.Maximum = 1000;
contrastTrackBar.TickFrequency = (contrastTrackBar.Maximum - contrastTrackBar.Minimum) / 10;
contrastTrackBar.Location = new Point(trackBarLeft, y);
contrastTrackBar.Width = 200;
contrastTrackBar.Scroll += new EventHandler(contrastTrackBar_Scroll);
controlsPanel.Controls.Add(contrastTrackBar);
contrastLabel.Top = contrastTrackBar.Top + (contrastTrackBar.Height - contrastLabel.Height) / 2;
y = contrastTrackBar.Bottom + 8;
Label intensityLabel = new Label();
intensityLabel.Text = "Intensity:";
intensityLabel.Location = new Point(labelLeft, y);
intensityLabel.AutoSize = true;
controlsPanel.Controls.Add(intensityLabel);
y = intensityLabel.Bottom + 8;
intensityTrackBar = new TrackBar();
intensityTrackBar.Minimum = -1000;
intensityTrackBar.Maximum = 1000;
intensityTrackBar.TickFrequency = (intensityTrackBar.Maximum - intensityTrackBar.Minimum) / 10;
intensityTrackBar.Location = new Point(trackBarLeft, y);
intensityTrackBar.Width = 200;
intensityTrackBar.Scroll += new EventHandler(intensityTrackBar_Scroll);
controlsPanel.Controls.Add(intensityTrackBar);
intensityLabel.Top = intensityTrackBar.Top + (intensityTrackBar.Height - intensityLabel.Height) / 2;
y = intensityTrackBar.Bottom + 8;
Button defaultButton = new Button();
defaultButton.Text = "Default";
defaultButton.Location = new Point(labelLeft, y);
defaultButton.Click += new EventHandler(defaultButton_Click);
controlsPanel.Controls.Add(defaultButton);
Controls.Add(controlsPanel);
viewer = new ImageViewer();
viewer.Dock = DockStyle.Fill;
Controls.Add(viewer);
viewer.BringToFront();
// Load the image
using (RasterCodecs codecs = new RasterCodecs())
{
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
viewer.Image = codecs.Load(srcFileName);
}
gammaTrackBar.Value = viewer.Image.PaintGamma;
contrastTrackBar.Value = viewer.Image.PaintContrast;
intensityTrackBar.Value = viewer.Image.PaintIntensity;
UpdateValues();
}
void UpdateValues()
{
string str = string.Format(
"Gamma = {0}, Contrast = {1}, Intensity = {2}",
viewer.Image.PaintGamma, viewer.Image.PaintContrast, viewer.Image.PaintIntensity);
Text = str;
}
void gammaTrackBar_Scroll(object sender, EventArgs e)
{
TrackBar tb = sender as TrackBar;
viewer.Image.PaintGamma = tb.Value;
UpdateValues();
}
void contrastTrackBar_Scroll(object sender, EventArgs e)
{
TrackBar tb = sender as TrackBar;
viewer.Image.PaintContrast = tb.Value;
UpdateValues();
}
void intensityTrackBar_Scroll(object sender, EventArgs e)
{
TrackBar tb = sender as TrackBar;
viewer.Image.PaintIntensity = tb.Value;
UpdateValues();
}
void defaultButton_Click(object sender, EventArgs e)
{
viewer.Image.PaintGamma = 100;
viewer.Image.PaintIntensity = 0;
viewer.Image.PaintContrast = 0;
gammaTrackBar.Value = viewer.Image.PaintGamma;
contrastTrackBar.Value = viewer.Image.PaintContrast;
intensityTrackBar.Value = viewer.Image.PaintIntensity;
UpdateValues();
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Leadtools Assembly