halcon与C#混合编程（二）读取并处理图片

出处：http://hanzhaoxin.cnblogs.com/

示例：读取并处理图片

halcon源码：

*读取图片
read_image (Image, 'claudia')
get_image_size(Image,Width,Height)

*图像处理
rgb1_to_gray(Image,GrayImage)

*使图像在C#控件铺开显示
dev_set_part (0, 0, Height-1, Width-1)
dev_display (GrayImage)

导出的代码（ImagePro.cs）：

//
// File generated by HDevelop for HALCON/.NET (C#) Version 13.0.1.1
//
// This file is intended to be used with the HDevelopTemplate or
// HDevelopTemplateWPF projects located under %HALCONEXAMPLES%\c#

using System;
using HalconDotNet;

public partial class HDevelopExport
{
public HTuple hv_ExpDefaultWinHandle;

// Main procedure
private void action()
{

// Local iconic variables

HObject ho_Image, ho_GrayImage;

// Local control variables

HTuple hv_Width = null, hv_Height = null;
// Initialize local and output iconic variables
HOperatorSet.GenEmptyObj(out ho_Image);
HOperatorSet.GenEmptyObj(out ho_GrayImage);
//读取图片
ho_Image.Dispose();
HOperatorSet.ReadImage(out ho_Image, "claudia");
HOperatorSet.GetImageSize(ho_Image, out hv_Width, out hv_Height);

//图像处理
ho_GrayImage.Dispose();
HOperatorSet.Rgb1ToGray(ho_Image, out ho_GrayImage);
HOperatorSet.SetPart(hv_ExpDefaultWinHandle, 0, 0, hv_Height - 1, hv_Width - 1);
HOperatorSet.DispObj(ho_GrayImage, hv_ExpDefaultWinHandle);

ho_Image.Dispose();
ho_GrayImage.Dispose();

}

public void InitHalcon()
{
// Default settings used in HDevelop
HOperatorSet.SetSystem("width", 512);
HOperatorSet.SetSystem("height", 512);
}

public void RunHalcon(HTuple Window)
{
hv_ExpDefaultWinHandle = Window;
action();
}

}

C#工程：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApp3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
//图像处理按钮是否使能
this.button2.Enabled = false;
}

HDevelopExport HD = new HDevelopExport();
private void button1_Click(object sender, EventArgs e)
{

HD.Readimage_action(hWindowControl1.HalconWindow);
//图像处理按钮是否使能
this.button2.Enabled = true;
}

private void button2_Click(object sender, EventArgs e)
{
HD.Imagepro_action();
//图像处理按钮是否使能
this.button2.Enabled = false;
}
}
}

    //项目，添加现有项ReadImagepro.cs到工程

    //修改ImagePro.cs如下

//
// File generated by HDevelop for HALCON/.NET (C#) Version 13.0.1.1
//
// This file is intended to be used with the HDevelopTemplate or
// HDevelopTemplateWPF projects located under %HALCONEXAMPLES%\c#

using System;
using HalconDotNet;

public partial class HDevelopExport
{
public HTuple hv_ExpDefaultWinHandle;

// Local iconic variables

HObject ho_Image, ho_GrayImage;
// Local control variables

HTuple hv_Width = null, hv_Height = null;
// Main procedure
public void Readimage_action(HTuple Window)
{
hv_ExpDefaultWinHandle = Window;

// Initialize local and output iconic variables
HOperatorSet.GenEmptyObj(out ho_Image);
HOperatorSet.GenEmptyObj(out ho_GrayImage);
//读取图片
ho_Image.Dispose();
HOperatorSet.ReadImage(out ho_Image, "claudia");
HOperatorSet.GetImageSize(ho_Image, out hv_Width, out hv_Height);
//HOperatorSet.SetPart(hv_ExpDefaultWinHandle, 0, 0, hv_Height - 1, hv_Width - 1);
HOperatorSet.DispObj(ho_Image, hv_ExpDefaultWinHandle);

}
public void Imagepro_action()
{
//图像处理
ho_GrayImage.Dispose();
HOperatorSet.Rgb1ToGray(ho_Image, out ho_GrayImage);
HOperatorSet.SetPart(hv_ExpDefaultWinHandle, 0, 0, hv_Height - 1, hv_Width - 1);
HOperatorSet.DispObj(ho_GrayImage, hv_ExpDefaultWinHandle);

ho_Image.Dispose();
ho_GrayImage.Dispose();

}

public void InitHalcon()
{
// Default settings used in HDevelop
HOperatorSet.SetSystem("width", 512);
HOperatorSet.SetSystem("height", 512);
}

public void RunHalcon(HTuple Window)
{
hv_ExpDefaultWinHandle = Window;
//action();
}

}

运行结果：

单击读取图片按钮并选取图片：

点击图像处理按钮：

halcon与C#混合编程（二）读取并处理图片

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