using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using AForge;
using AForge.Math;
using AForge.Imaging;
using AForge.Imaging.Filters;
namespace IPLab
{
/// <summary>
/// Summary description for LevelsLinearForm.
/// </summary>
public class LevelsLinearForm : System.Windows.Forms.Form
{
private static Color[] colors = new Color[] {
Color.FromArgb(192, 0, 0),
Color.FromArgb(0, 192, 0),
Color.FromArgb(0, 0, 192),
Color.FromArgb(128, 128, 128),
};
private LevelsLinear filter = new LevelsLinear( );
private IntRange inRed = new IntRange( 0, 255 );
private IntRange inGreen = new IntRange( 0, 255 );
private IntRange inBlue = new IntRange( 0, 255 );
private IntRange outRed = new IntRange( 0, 255 );
private IntRange outGreen = new IntRange( 0, 255 );
private IntRange outBlue = new IntRange( 0, 255 );
private AForge.Imaging.ImageStatistics imgStat;
private IPLab.Histogram histogram;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.ComboBox channelCombo;
private System.Windows.Forms.Button okButton;
private System.Windows.Forms.Button cancelButton;
private System.Windows.Forms.TextBox inMinBox;
private System.Windows.Forms.TextBox inMaxBox;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.CheckBox allCheckBox;
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.PictureBox pictureBox2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox outMinBox;
private System.Windows.Forms.TextBox outMaxBox;
private IPLab.ColorSlider inSlider;
private IPLab.ColorSlider outSlider;
private System.Windows.Forms.GroupBox groupBox4;
private IPLab.FilterPreview filterPreview;
private System.Windows.Forms.PictureBox pictureBox3;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
// Image property
public Bitmap Image
{
set { filterPreview.Image = value; }
}
// Filter property
public IFilter Filter
{
get { return filter; }
}
// Constructor
public LevelsLinearForm( AForge.Imaging.ImageStatistics imgStat )
{
//
// Required for Windows Form Designer support
//
InitializeComponent( );
//
// TODO: Add any constructor code after InitializeComponent call
//
this.imgStat = imgStat;
if ( !imgStat.IsGrayscale )
{
// RGB picture
channelCombo.Items.AddRange( new object[] { "Red", "Green", "Blue" } );
channelCombo.Enabled = true;
}
else
{
// grayscale picture
channelCombo.Items.Add( "Gray" );
channelCombo.Enabled = false;
allCheckBox.Enabled = false;
}
channelCombo.SelectedIndex = 0;
filterPreview.Filter = filter;
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if ( disposing )
{
if ( components != null )
{
components.Dispose( );
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent( )
{
this.histogram = new IPLab.Histogram( );
this.label1 = new System.Windows.Forms.Label( );
this.channelCombo = new System.Windows.Forms.ComboBox( );
this.okButton = new System.Windows.Forms.Button( );
this.cancelButton = new System.Windows.Forms.Button( );
this.inMinBox = new System.Windows.Forms.TextBox( );
this.inMaxBox = new System.Windows.Forms.TextBox( );
this.label2 = new System.Windows.Forms.Label( );
this.allCheckBox = new System.Windows.Forms.CheckBox( );
this.pictureBox1 = new System.Windows.Forms.PictureBox( );
this.pictureBox2 = new System.Windows.Forms.PictureBox( );
this.label3 = new System.Windows.Forms.Label( );
this.outMinBox = new System.Windows.Forms.TextBox( );
this.outMaxBox = new System.Windows.Forms.TextBox( );
this.inSlider = new IPLab.ColorSlider( );
this.outSlider = new IPLab.ColorSlider( );
this.groupBox4 = new System.Windows.Forms.GroupBox( );
this.filterPreview = new IPLab.FilterPreview( );
this.pictureBox3 = new System.Windows.Forms.PictureBox( );
this.groupBox4.SuspendLayout( );
this.SuspendLayout( );
//
// histogram
//
this.histogram.Location = new System.Drawing.Point( 10, 75 );
this.histogram.Name = "histogram";
this.histogram.Size = new System.Drawing.Size( 258, 162 );
this.histogram.TabIndex = 7;
//
// label1
//
this.label1.Location = new System.Drawing.Point( 10, 15 );
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size( 51, 16 );
this.label1.TabIndex = 1;
this.label1.Text = "&Channel:";
//
// channelCombo
//
this.channelCombo.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.channelCombo.Location = new System.Drawing.Point( 60, 10 );
this.channelCombo.Name = "channelCombo";
this.channelCombo.Size = new System.Drawing.Size( 90, 21 );
this.channelCombo.TabIndex = 2;
this.channelCombo.SelectedIndexChanged += new System.EventHandler( this.channelCombo_SelectedIndexChanged );
//
// okButton
//
this.okButton.DialogResult = System.Windows.Forms.DialogResult.OK;
this.okButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.okButton.Location = new System.Drawing.Point( 295, 300 );
this.okButton.Name = "okButton";
this.okButton.TabIndex = 10;
this.okButton.Text = "Ok";
//
// cancelButton
//
this.cancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
this.cancelButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.cancelButton.Location = new System.Drawing.Point( 385, 300 );
this.cancelButton.Name = "cancelButton";
this.cancelButton.TabIndex = 11;
this.cancelButton.Text = "Cancel";
//
// inMinBox
//
this.inMinBox.Location = new System.Drawing.Point( 80, 50 );
this.inMinBox.Name = "inMinBox";
this.inMinBox.Size = new System.Drawing.Size( 50, 20 );
this.inMinBox.TabIndex = 5;
this.inMinBox.Text = "";
this.inMinBox.TextChanged += new System.EventHandler( this.inMinBox_TextChanged );
//
// inMaxBox
//
this.inMaxBox.Location = new System.Drawing.Point( 140, 50 );
this.inMaxBox.Name = "inMaxBox";
this.inMaxBox.Size = new System.Drawing.Size( 50, 20 );
this.inMaxBox.TabIndex = 6;
this.inMaxBox.Text = "";
this.inMaxBox.TextChanged += new System.EventHandler( this.inMaxBox_TextChanged );
//
// label2
//
this.label2.Location = new System.Drawing.Point( 10, 53 );
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size( 65, 17 );
this.label2.TabIndex = 4;
this.label2.Text = "&Input levels:";
//
// allCheckBox
//
this.allCheckBox.Location = new System.Drawing.Point( 165, 10 );
this.allCheckBox.Name = "allCheckBox";
this.allCheckBox.TabIndex = 3;
this.allCheckBox.Text = "&Sync channels";
//
// pictureBox1
//
this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.pictureBox1.Location = new System.Drawing.Point( 10, 40 );
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size( 258, 2 );
this.pictureBox1.TabIndex = 9;
this.pictureBox1.TabStop = false;
//
// pictureBox2
//
this.pictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.pictureBox2.Location = new System.Drawing.Point( 10, 260 );
this.pictureBox2.Name = "pictureBox2";
this.pictureBox2.Size = new System.Drawing.Size( 258, 2 );
this.pictureBox2.TabIndex = 10;
this.pictureBox2.TabStop = false;
//
// label3
//
this.label3.Location = new System.Drawing.Point( 10, 273 );
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size( 73, 17 );
this.label3.TabIndex = 7;
this.label3.Text = "&Output levels:";
//
// outMinBox
//
this.outMinBox.Location = new System.Drawing.Point( 80, 270 );
this.outMinBox.Name = "outMinBox";
this.outMinBox.Size = new System.Drawing.Size( 50, 20 );
this.outMinBox.TabIndex = 8;
this.outMinBox.Text = "";
this.outMinBox.TextChanged += new System.EventHandler( this.outMinBox_TextChanged );
//
// outMaxBox
//
this.outMaxBox.Location = new System.Drawing.Point( 140, 270 );
this.outMaxBox.Name = "outMaxBox";
this.outMaxBox.Size = new System.Drawing.Size( 50, 20 );
this.outMaxBox.TabIndex = 9;
this.outMaxBox.Text = "";
this.outMaxBox.TextChanged += new System.EventHandler( this.outMaxBox_TextChanged );
//
// inSlider
//
this.inSlider.Location = new System.Drawing.Point( 8, 232 );
this.inSlider.Max = 253;
this.inSlider.Min = 2;
this.inSlider.Name = "inSlider";
this.inSlider.Size = new System.Drawing.Size( 262, 20 );
this.inSlider.TabIndex = 15;
this.inSlider.TabStop = false;
this.inSlider.ValuesChanged += new System.EventHandler( this.inSlider_ValuesChanged );
//
// outSlider
//
this.outSlider.Location = new System.Drawing.Point( 8, 295 );
this.outSlider.Name = "outSlider";
this.outSlider.Size = new System.Drawing.Size( 262, 20 );
this.outSlider.TabIndex = 16;
this.outSlider.TabStop = false;
this.outSlider.ValuesChanged += new System.EventHandler( this.outSlider_ValuesChanged );
//
// groupBox4
//
this.groupBox4.Controls.AddRange( new System.Windows.Forms.Control[] {
this.filterPreview} );
this.groupBox4.Location = new System.Drawing.Point( 290, 10 );
this.groupBox4.Name = "groupBox4";
this.groupBox4.Size = new System.Drawing.Size( 170, 175 );
this.groupBox4.TabIndex = 17;
this.groupBox4.TabStop = false;
this.groupBox4.Text = "Preview";
//
// filterPreview
//
this.filterPreview.Image = null;
this.filterPreview.Location = new System.Drawing.Point( 10, 15 );
this.filterPreview.Name = "filterPreview";
this.filterPreview.Size = new System.Drawing.Size( 150, 150 );
this.filterPreview.TabIndex = 0;
this.filterPreview.TabStop = false;
//
// pictureBox3
//
this.pictureBox3.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.pictureBox3.Location = new System.Drawing.Point( 10, 323 );
this.pictureBox3.Name = "pictureBox3";
this.pictureBox3.Size = new System.Drawing.Size( 258, 2 );
this.pictureBox3.TabIndex = 14;
this.pictureBox3.TabStop = false;
//
// LevelsLinearForm
//
this.AcceptButton = this.okButton;
this.AutoScaleBaseSize = new System.Drawing.Size( 5, 13 );
this.CancelButton = this.cancelButton;
this.ClientSize = new System.Drawing.Size( 469, 333 );
this.Controls.AddRange( new System.Windows.Forms.Control[] {
this.groupBox4,
this.outSlider,
this.inSlider,
this.pictureBox3,
this.outMaxBox,
this.outMinBox,
this.label3,
this.pictureBox2,
this.pictureBox1,
this.allCheckBox,
this.label2,
this.inMaxBox,
this.inMinBox,
this.cancelButton,
this.okButton,
this.channelCombo,
this.histogram,
this.label1} );
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "LevelsLinearForm";
this.ShowInTaskbar = false;
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "Levels";
this.groupBox4.ResumeLayout( false );
this.ResumeLayout( false );
}
#endregion
// Selection changed in channels combo
private void channelCombo_SelectedIndexChanged( object sender, System.EventArgs e )
{
AForge.Math.Histogram h = null;
Color color = Color.White;
IntRange input = new IntRange( 0, 255 );
IntRange output = new IntRange( 0, 255 );
int index = channelCombo.SelectedIndex;
if ( !imgStat.IsGrayscale )
{
// RGB image
histogram.Color = colors[index];
switch ( index )
{
case 0: // red
h = imgStat.Red;
input = inRed;
output = outRed;
color = Color.FromArgb( 255, 0, 0 );
break;
case 1: // green
h = imgStat.Green;
input = inGreen;
output = outGreen;
color = Color.FromArgb( 0, 255, 0 );
break;
case 2: // blue
h = imgStat.Blue;
input = inBlue;
output = outBlue;
color = Color.FromArgb( 0, 0, 255 );
break;
}
}
else
{
// grayscale image
histogram.Color = colors[3];
h = imgStat.Gray;
input = inGreen;
output = outGreen;
}
histogram.Values = h.Values;
inMinBox.Text = input.Min.ToString( );
inMaxBox.Text = input.Max.ToString( );
outMinBox.Text = output.Min.ToString( );
outMaxBox.Text = output.Max.ToString( );
// input slider
inSlider.Color2 = color;
inSlider.Min = input.Min;
inSlider.Max = input.Max;
// output slider
outSlider.Color2 = color;
outSlider.Min = output.Min;
outSlider.Max = output.Max;
}
// inMin changed
private void inMinBox_TextChanged( object sender, System.EventArgs e )
{
try
{
byte v = byte.Parse( inMinBox.Text );
inSlider.Min = v;
if ( !imgStat.IsGrayscale )
{
// RGB
if ( allCheckBox.Checked )
{
// sync channels
inRed.Min = inGreen.Min = inBlue.Min = v;
}
else
{
switch ( channelCombo.SelectedIndex )
{
case 0:
inRed.Min = v;
break;
case 1:
inGreen.Min = v;
break;
case 2:
inBlue.Min = v;
break;
}
}
}
else
{
// grayscale
inGreen.Min = v;
}
UpdateFilter( );
}
catch ( Exception )
{
}
}
// inMax changed
private void inMaxBox_TextChanged( object sender, System.EventArgs e )
{
try
{
byte v = byte.Parse( inMaxBox.Text );
inSlider.Max = v;
if ( !imgStat.IsGrayscale )
{
// RGB
if ( allCheckBox.Checked )
{
// sync channels
inRed.Max = inGreen.Max = inBlue.Max = v;
}
else
{
switch ( channelCombo.SelectedIndex )
{
case 0:
inRed.Max = v;
break;
case 1:
inGreen.Max = v;
break;
case 2:
inBlue.Max = v;
break;
}
}
}
else
{
// grayscale
inGreen.Max = v;
}
UpdateFilter( );
}
catch ( Exception )
{
}
}
// outMin changed
private void outMinBox_TextChanged( object sender, System.EventArgs e )
{
try
{
byte v = byte.Parse( outMinBox.Text );
outSlider.Min = v;
if ( !imgStat.IsGrayscale )
{
// RGB
if ( allCheckBox.Checked )
{
// sync channels
outRed.Min = outGreen.Min = outBlue.Min = v;
}
else
{
switch ( channelCombo.SelectedIndex )
{
case 0:
outRed.Min = v;
break;
case 1:
outGreen.Min = v;
break;
case 2:
outBlue.Min = v;
break;
}
}
}
else
{
// grayscale
outGreen.Min = v;
}
UpdateFilter( );
}
catch ( Exception )
{
}
}
// outMax changed
private void outMaxBox_TextChanged( object sender, System.EventArgs e )
{
try
{
byte v = byte.Parse( outMaxBox.Text );
outSlider.Max = v;
if ( !imgStat.IsGrayscale )
{
// RGB
if ( allCheckBox.Checked )
{
// sync channels
outRed.Max = outGreen.Max = outBlue.Max = v;
}
else
{
switch ( channelCombo.SelectedIndex )
{
case 0:
outRed.Max = v;
break;
case 1:
outGreen.Max = v;
break;
case 2:
outBlue.Max = v;
break;
}
}
}
else
{
// grayscale
outGreen.Max = v;
}
UpdateFilter( );
}
catch ( Exception )
{
}
}
// Input slider`s values changed
private void inSlider_ValuesChanged( object sender, EventArgs e )
{
inMinBox.Text = inSlider.Min.ToString( );
inMaxBox.Text = inSlider.Max.ToString( );
}
// Output slider`s values changed
private void outSlider_ValuesChanged( object sender, EventArgs e )
{
outMinBox.Text = outSlider.Min.ToString( );
outMaxBox.Text = outSlider.Max.ToString( );
}
// Update filert
private void UpdateFilter( )
{
// input values
filter.InRed = inRed;
filter.InGreen = inGreen;
filter.InBlue = inBlue;
// output values
filter.OutRed = outRed;
filter.OutGreen = outGreen;
filter.OutBlue = outBlue;
filterPreview.RefreshFilter( );
}
}
}
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