halcon与C#联合编程之鼠标控制图片缩放，拖动，roi

基本信息

源码名称：halcon与C#联合编程之鼠标控制图片缩放，拖动，roi

源码大小：13.32M

文件格式：.zip

开发语言：C#

更新时间：2017-12-01

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源码介绍

本实例展示了halcon与C#联合编程之鼠标控制图片缩放，拖动，roi

using ChoiceTech.Halcon.Control;
using HalconDotNet;
using Microsoft.CSharp;
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace HalconPaint
{
public partial class PaintForm : Form
{
private HObject image = new HObject();//图片
private HObject brush_region = new HObject();//笔刷
private HObject final_region = new HObject();//需要获得的区域
private HTuple hv_WindowHandle;

public PaintForm()
{
InitializeComponent();

//hv_WindowHandle = hWindow_Final1.HWindowHalconID;
}

/// <summary>
/// 窗体加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void VisionForm_Load(object sender, EventArgs e)
{

try
{
HOperatorSet.ReadImage(out image, "kk.bmp");
hWindow_Final1.HobjectToHimage(image);
}
catch (Exception)
{
throw;
}

}

/// <summary>
/// 设置笔刷
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_brush_Click(object sender, EventArgs e)
{
string brushType = ((Button)sender).Text;//笔刷类型

HTuple hv_Row1 = null, hv_Column1 = null, hv_Row2 = null, hv_Column2 = null;

HObject ho_temp_brush = new HObject();

try
{
//画图模式开
hWindow_Final1.DrawModel = true;
hWindow_Final1.Focus();
//锁住功能区
groupBox_tool.Enabled = false;
//显示提示
hWindow_Final1.ClearWindow();
hWindow_Final1.HobjectToHimage(image);
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "在窗口画出" brushType ",点击右键结束", "window", 20, 20, "red", "false");

//显示为黄色
HOperatorSet.SetColor(hv_WindowHandle, "yellow");
//
switch (brushType)
{
case "矩形1":

HOperatorSet.DrawRectangle1(hv_WindowHandle, out hv_Row1, out hv_Column1, out hv_Row2,
out hv_Column2);
ho_temp_brush.Dispose();
HOperatorSet.GenRectangle1(out ho_temp_brush, hv_Row1, hv_Column1, hv_Row2,
hv_Column2);
//
if (hv_Row1.D != 0)
{
brush_region.Dispose();
brush_region = ho_temp_brush;
}
else
{
hWindow_Final1.HobjectToHimage(image);
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "未画出有效区域", "window", 20, 20, "red", "false");
return;
}
break;
case "矩形2":
HTuple phi, lenght1, length2;
HOperatorSet.DrawRectangle2(hv_WindowHandle, out hv_Row1, out hv_Column1, out phi, out lenght1, out length2);

ho_temp_brush.Dispose();
HOperatorSet.GenRectangle2(out ho_temp_brush, hv_Row1, hv_Column1, phi, lenght1, length2);
//
if (hv_Row1.D != 0)
{
brush_region.Dispose();
brush_region = ho_temp_brush;
}
else
{
hWindow_Final1.HobjectToHimage(image);
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "未画出有效区域", "window", 20, 20, "red", "false");
return;
}
break;
case "圆":
HTuple radius;
HOperatorSet.DrawCircle(hv_WindowHandle, out hv_Row1, out hv_Column1, out radius);

ho_temp_brush.Dispose();
HOperatorSet.GenCircle(out ho_temp_brush, hv_Row1, hv_Column1, radius);
//
if (hv_Row1.D != 0)
{
brush_region.Dispose();
brush_region = ho_temp_brush;
}
else
{
hWindow_Final1.HobjectToHimage(image);
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "未画出有效区域", "window", 20, 20, "red", "false");
return;
}

break;
default:
MessageBox.Show("错误指令");
return;
}

}
catch (Exception ex)
{
throw ex;
}
finally
{
hWindow_Final1.HobjectToHimage(image);
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, brushType " 笔刷创建成果", "window", 20, 20, "red", "false");
hWindow_Final1.DispObj(ho_temp_brush, "yellow");
hWindow_Final1.DrawModel = false;
//解锁功能区
groupBox_tool.Enabled = true;
}

}

/// <summary>
/// 擦除
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_drawAndwipe_Click(object sender, EventArgs e)
{
string actionType = ((Button)sender).Name;// 画区域或者擦除
hWindow_Final1.DrawModel = true;
hWindow_Final1.Focus();
groupBox_tool.Enabled = false;

HTuple hv_Button = null;
HTuple hv_Row = null, hv_Column = null;
HTuple areaBrush, rowBrush, columnBrush, homMat2D;

HObject brush_region_affine = new HObject();
HObject ho_Image = new HObject(image);
try
{
if (!brush_region.IsInitialized())
{
MessageBox.Show("请先设置笔刷");
return;
}
else
{
HOperatorSet.AreaCenter(brush_region, out areaBrush, out rowBrush, out columnBrush);
}

//显示
hWindow_Final1.HobjectToHimage(image);
hWindow_Final1.DispObj(final_region);

//画出笔刷
switch (actionType)
{
case "button_draw":
HOperatorSet.SetColor(hv_WindowHandle, "blue");

break;
case "button_wipe":
HOperatorSet.SetColor(hv_WindowHandle, "red");

//检查final_region是否有效
if (!final_region.IsInitialized())
{
MessageBox.Show("请先使用画出合适区域,在使用擦除功能");
return;
}
break;
default:
MessageBox.Show("设置错误");
return;
}

#region "循环,等待涂抹"

//鼠标状态
hv_Button = 0;
// 4为鼠标右键
while (hv_Button != 4)
{
//一直在循环,需要让halcon控件也响应事件,不然到时候跳出循环,之前的事件会一起爆发触发,
Application.DoEvents();

hv_Row = -1;
hv_Column = -1;

//获取鼠标坐标
try
{
HOperatorSet.GetMposition(hv_WindowHandle, out hv_Row, out hv_Column, out hv_Button);
}
catch (HalconException ex)
{
hv_Button = 0;
}

HOperatorSet.SetSystem("flush_graphic", "false");
HOperatorSet.DispObj(ho_Image, hv_WindowHandle);
if (final_region.IsInitialized())
{
HOperatorSet.DispObj(final_region, hv_WindowHandle);
}

//check if mouse cursor is over window
if (hv_Row >= 0 && hv_Column >= 0)
{
//放射变换
HOperatorSet.VectorAngleToRigid(rowBrush, columnBrush, 0, hv_Row, hv_Column, 0, out homMat2D);
brush_region_affine.Dispose();
HOperatorSet.AffineTransRegion(brush_region, out brush_region_affine, homMat2D, "nearest_neighbor");
HOperatorSet.DispObj(brush_region_affine, hv_WindowHandle);

HOperatorSet.SetSystem("flush_graphic", "true");
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "按下鼠标左键涂画,右键结束", "window", 20, 20, "red", "false");

//1为鼠标左键
if (hv_Button == 1)
{

//画出笔刷
switch (actionType)
{
case "button_draw":
{
if (final_region.IsInitialized())
{
HObject ExpTmpOutVar_0;
HOperatorSet.Union2(final_region, brush_region_affine, out ExpTmpOutVar_0);
final_region.Dispose();
final_region = ExpTmpOutVar_0;
}
else
{
final_region =new HObject( brush_region_affine);
}

}
break;
case "button_wipe":
{
HObject ExpTmpOutVar_0;
HOperatorSet.Difference(final_region, brush_region_affine, out ExpTmpOutVar_0);
final_region.Dispose();
final_region = ExpTmpOutVar_0;
}
break;
default:
MessageBox.Show("设置错误");
return;
}//end switch

}//end if
}
else
{
HalconTool.set_display_font(hv_WindowHandle, 20, "mono", new HTuple("true"), new HTuple("false"));
HalconTool.disp_message(hv_WindowHandle, "请将鼠标移动到窗口内部", "window", 20, 20, "red", "false");
}

}//end while
#endregion
}
catch (HalconException HDevExpDefaultException)
{
throw HDevExpDefaultException;
}
finally
{
hWindow_Final1.HobjectToHimage(image);
hWindow_Final1.DispObj(final_region, "blue");
hWindow_Final1.DrawModel = false;
groupBox_tool.Enabled = true;

}
}

/// <summary>
/// 显示结果
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_show_finalRegion_Click(object sender, EventArgs e)
{
hWindow_Final1.HobjectToHimage(image);
hWindow_Final1.DispObj(final_region,"blue");
}

}
}