实例介绍
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using HalconDotNet;
using ViewROI;
namespace InteractiveROI
{
/// <summary>
/// This project shows how to implement interactive ROIs using
/// HALCON. It uses the classes HWndCtrl, ROI and ROIController will take
/// care of the graphical output and the event handling of the mouse. You
/// must assure that your HALCON window as well as your
/// ROIController instance are registered to the HWndCtrl instance.
/// You can use any kind of implementation for your graphical user
/// interface. To create ROIs you must pass the GUI events to the
/// ROIController. To add a new ROI shape, for example a circular
/// interactive ROI, you must create a new class ROICircular, which
/// inherits from ROI. The button for circular objects must then forward
/// the request to the ROIController, similar to the way it is done for
/// Rectangle1 and Rectangle2.
/// </summary>
public class InteractiveForm : System.Windows.Forms.Form
{
private System.Windows.Forms.GroupBox groupBox1;
public System.Windows.Forms.Button Rect2Button;
public System.Windows.Forms.Button Rect1Button;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.RadioButton radioButtonNone;
private System.Windows.Forms.RadioButton radioButtonZoom;
private System.Windows.Forms.RadioButton radioButtonMove;
public System.Windows.Forms.Button ResetButton;
public System.Windows.Forms.Button DelActROIButton;
private System.Windows.Forms.Button ExitApplButton;
private System.ComponentModel.Container components = null;
/// <summary>HALCON window</summary>
public HWindowControl viewPort;
/// <summary>Instance of HWndCtrl, which handles relevant view tasks</summary>
public HWndCtrl viewController;
private System.Windows.Forms.Button CircleButton;
private System.Windows.Forms.Button LineButton;
private System.Windows.Forms.Button CircArcButton;
/// <summary>
/// Instance of ROIController, which manages the ROI interactions
/// </summary>
public ROIController roiController;
/// <summary>Constructor</summary>
public InteractiveForm()
{
InitializeComponent();
}
/*******************************************************************/
protected override void Dispose( bool disposing )
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/********************************************************************/
/* Required method for Designer support - do not modify
the contents of this method with the code editor.
/********************************************************************/
private void InitializeComponent()
{
this.viewPort = new HalconDotNet.HWindowControl();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.CircArcButton = new System.Windows.Forms.Button();
this.LineButton = new System.Windows.Forms.Button();
this.CircleButton = new System.Windows.Forms.Button();
this.DelActROIButton = new System.Windows.Forms.Button();
this.Rect2Button = new System.Windows.Forms.Button();
this.Rect1Button = new System.Windows.Forms.Button();
this.ResetButton = new System.Windows.Forms.Button();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.radioButtonNone = new System.Windows.Forms.RadioButton();
this.radioButtonZoom = new System.Windows.Forms.RadioButton();
this.radioButtonMove = new System.Windows.Forms.RadioButton();
this.ExitApplButton = new System.Windows.Forms.Button();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.SuspendLayout();
//
// viewPort
//
this.viewPort.BackColor = System.Drawing.Color.Black;
this.viewPort.BorderColor = System.Drawing.Color.Black;
this.viewPort.ImagePart = new System.Drawing.Rectangle(0, 0, 640, 480);
this.viewPort.Location = new System.Drawing.Point(48, 43);
this.viewPort.Name = "viewPort";
this.viewPort.Size = new System.Drawing.Size(768, 517);
this.viewPort.TabIndex = 0;
this.viewPort.WindowSize = new System.Drawing.Size(768, 517);
//
// groupBox1
//
this.groupBox1.BackColor = System.Drawing.SystemColors.Control;
this.groupBox1.Controls.Add(this.CircArcButton);
this.groupBox1.Controls.Add(this.LineButton);
this.groupBox1.Controls.Add(this.CircleButton);
this.groupBox1.Controls.Add(this.DelActROIButton);
this.groupBox1.Controls.Add(this.Rect2Button);
this.groupBox1.Controls.Add(this.Rect1Button);
this.groupBox1.Location = new System.Drawing.Point(864, 198);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(154, 259);
this.groupBox1.TabIndex = 1;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "Create ROI";
//
// CircArcButton
//
this.CircArcButton.Location = new System.Drawing.Point(29, 129);
this.CircArcButton.Name = "CircArcButton";
this.CircArcButton.Size = new System.Drawing.Size(96, 35);
this.CircArcButton.TabIndex = 10;
this.CircArcButton.Text = "Circular Arc";
this.CircArcButton.Click = new System.EventHandler(this.CircArcButton_Click);
//
// LineButton
//
this.LineButton.Location = new System.Drawing.Point(29, 164);
this.LineButton.Name = "LineButton";
this.LineButton.Size = new System.Drawing.Size(96, 34);
this.LineButton.TabIndex = 9;
this.LineButton.Text = "Line";
this.LineButton.Click = new System.EventHandler(this.LineButton_Click);
//
// CircleButton
//
this.CircleButton.Location = new System.Drawing.Point(29, 95);
this.CircleButton.Name = "CircleButton";
this.CircleButton.Size = new System.Drawing.Size(96, 34);
this.CircleButton.TabIndex = 8;
this.CircleButton.Text = "Circle";
this.CircleButton.Click = new System.EventHandler(this.CircleButton_Click);
//
// DelActROIButton
//
this.DelActROIButton.Location = new System.Drawing.Point(29, 215);
this.DelActROIButton.Name = "DelActROIButton";
this.DelActROIButton.Size = new System.Drawing.Size(96, 35);
this.DelActROIButton.TabIndex = 7;
this.DelActROIButton.Text = "Delete Active ROI";
this.DelActROIButton.Click = new System.EventHandler(this.DelActROIButton_Click);
//
// Rect2Button
//
this.Rect2Button.Location = new System.Drawing.Point(29, 60);
this.Rect2Button.Name = "Rect2Button";
this.Rect2Button.Size = new System.Drawing.Size(96, 35);
this.Rect2Button.TabIndex = 1;
this.Rect2Button.Text = "Rectangle2";
this.Rect2Button.Click = new System.EventHandler(this.Rect2Button_Click);
//
// Rect1Button
//
this.Rect1Button.Location = new System.Drawing.Point(29, 26);
this.Rect1Button.Name = "Rect1Button";
this.Rect1Button.Size = new System.Drawing.Size(96, 34);
this.Rect1Button.TabIndex = 0;
this.Rect1Button.Text = "Rectangle1";
this.Rect1Button.Click = new System.EventHandler(this.Rect1Button_Click);
//
// ResetButton
//
this.ResetButton.Location = new System.Drawing.Point(893, 474);
this.ResetButton.Name = "ResetButton";
this.ResetButton.Size = new System.Drawing.Size(96, 43);
this.ResetButton.TabIndex = 6;
this.ResetButton.Text = "Reset All";
this.ResetButton.Click = new System.EventHandler(this.resetButton_Click);
//
// groupBox2
//
this.groupBox2.BackColor = System.Drawing.SystemColors.Control;
this.groupBox2.Controls.Add(this.radioButtonNone);
this.groupBox2.Controls.Add(this.radioButtonZoom);
this.groupBox2.Controls.Add(this.radioButtonMove);
this.groupBox2.Location = new System.Drawing.Point(864, 43);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(154, 147);
this.groupBox2.TabIndex = 5;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "View Interaction";
//
// radioButtonNone
//
this.radioButtonNone.Checked = true;
this.radioButtonNone.Location = new System.Drawing.Point(29, 112);
this.radioButtonNone.Name = "radioButtonNone";
this.radioButtonNone.Size = new System.Drawing.Size(96, 17);
this.radioButtonNone.TabIndex = 2;
this.radioButtonNone.TabStop = true;
this.radioButtonNone.Text = "none";
this.radioButtonNone.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
this.radioButtonNone.CheckedChanged = new System.EventHandler(this.noneButton_Click);
//
// radioButtonZoom
//
this.radioButtonZoom.Location = new System.Drawing.Point(29, 69);
this.radioButtonZoom.Name = "radioButtonZoom";
this.radioButtonZoom.Size = new System.Drawing.Size(96, 26);
this.radioButtonZoom.TabIndex = 1;
this.radioButtonZoom.Text = "zoom";
this.radioButtonZoom.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
this.radioButtonZoom.CheckedChanged = new System.EventHandler(this.zoomButton_Click);
//
// radioButtonMove
//
this.radioButtonMove.Location = new System.Drawing.Point(29, 26);
this.radioButtonMove.Name = "radioButtonMove";
this.radioButtonMove.Size = new System.Drawing.Size(96, 26);
this.radioButtonMove.TabIndex = 0;
this.radioButtonMove.Text = "move";
this.radioButtonMove.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
this.radioButtonMove.CheckedChanged = new System.EventHandler(this.moveButton_Click);
//
// ExitApplButton
//
this.ExitApplButton.Location = new System.Drawing.Point(893, 517);
this.ExitApplButton.Name = "ExitApplButton";
this.ExitApplButton.Size = new System.Drawing.Size(96, 43);
this.ExitApplButton.TabIndex = 6;
this.ExitApplButton.Text = "Exit Application";
this.ExitApplButton.Click = new System.EventHandler(this.ExitApplButton_Click);
//
// InteractiveForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(1048, 570);
this.Controls.Add(this.ExitApplButton);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.viewPort);
this.Controls.Add(this.ResetButton);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.Name = "InteractiveForm";
this.Text = "Interactive ROI";
this.Load = new System.EventHandler(this.InteractiveForm_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/*******************************************************************/
[STAThread]
static void Main()
{
Application.Run(new InteractiveForm());
}
/// <summary>Creates a ROI of the shape Rectangle1; invoked by the corresponding button.</summary>
private void Rect1Button_Click(object sender, System.EventArgs e)
{
roiController.setROIShape(new ROIRectangle1());
}
/// <summary>Creates a ROI of the shape Rectangle2; invoked by the corresponding button.</summary>
private void Rect2Button_Click(object sender, System.EventArgs e)
{
roiController.setROIShape(new ROIRectangle2());
}
/// <summary>Creates a ROI of a circle shape; invoked by the corresponding button.</summary>
private void CircleButton_Click(object sender, System.EventArgs e)
{
roiController.setROIShape(new ROICircle());
}
/// <summary>Creates a ROI of a circular arc shape; invoked by the corresponding button.</summary>
private void CircArcButton_Click(object sender, System.EventArgs e)
{
roiController.setROIShape(new ROICircularArc());
}
/// <summary>Creates a ROI of a linear shape; invoked by the corresponding button.</summary>
private void LineButton_Click(object sender, System.EventArgs e)
{
roiController.setROIShape(new ROILine());
}
/// <summary>Resets the application; invoked by the corresponding button.</summary>
private void resetButton_Click(object sender, System.EventArgs e)
{
viewController.resetAll();
viewController.repaint();
}
/// <summary>When the corresponding radio button is checked, mouse events trigger more actions.</summary>
private void moveButton_Click(object sender, System.EventArgs e)
{
viewController.setViewState(HWndCtrl.MODE_VIEW_MOVE);
}
/// <summary>When the corresponding radio button is checked, mouse events trigger zoom actions.</summary>
private void zoomButton_Click(object sender, System.EventArgs e)
{
viewController.setViewState(HWndCtrl.MODE_VIEW_ZOOM);
}
/// <summary>When the corresponding radio button is checked, mouse events don't trigger any action.</summary>
private void noneButton_Click(object sender, System.EventArgs e)
{
viewController.setViewState(HWndCtrl.MODE_VIEW_NONE);
}
/// <summary>Deletes the active ROI; invoked by the corresponding button.</summary>
private void DelActROIButton_Click(object sender, System.EventArgs e)
{
roiController.removeActive();
}
/// <summary>Executes the program; invoked by the corresponding button.</summary>
private void ExitApplButton_Click(object sender, System.EventArgs e)
{
this.Close();
}
/// <summary>
/// Defines the initial settings for the window
/// control. In the very beginning, the window control needs
/// to know the view mode of the application form to perform
/// the right behavior for incoming mouse events on the
/// HALCON window.
/// </summary>
private void InteractiveForm_Load(object sender, System.EventArgs e)
{
String fileName = "patras";
HImage image;
viewController = new HWndCtrl(viewPort);
roiController = new ROIController();
viewController.useROIController(roiController);
viewController.setViewState(HWndCtrl.MODE_VIEW_NONE);
try
{
image = new HImage(fileName);
}
catch(HOperatorException)
{
MessageBox.Show("Problem occured while reading file!",
"InteractROIForm",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
return;
}
viewController.addIconicVar(image);
viewController.repaint();
}
}//end of class
}//end of namespace
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