Qt与HaIcon集成图像处理应用

#include <QApplication>
#include <QMainWindow>
#include <QLabel>
#include <QVBoxLayout>
#include <QPushButton>
#include <QStatusBar>
#include <QFileDialog>
#include <QStatusBar>
#include <QElapsedTimer>
#include "HalconCpp.h"

using namespace HalconCpp;

class HalconQtApp: public QMainWindow {
    Q_OBJECT

public:
    HalconQtApp(QWidget *parent = nullptr) : QMainWindow(parent)
    {
        setupUI();
        setupHalcon();
    }

    ~HalconQtApp(){
        if(windowHandle.IsInitialized())
        {
            windowHandle.CloseWindow();
        }
    }

private slots:
    void loadImage(){
        QString filename = QFileDialog::getOpenFileName(this, "打开图像", "", "图像文件 (*.jpg *.png *.bmp *.tif)");

        if(!filename.isEmpty())
        ｛
            QElapsedTimer timer;
            timer.start();

            try{
                //读取图像
                image.ReadImage(filename.toStdString().c_str());
        
                //处理图像
                processImage();

                //显示处理结果
                displayResult();

                //更新状态栏
                statusBar()->showMessage(
                    QString("图像加载处理完成 | 尺寸：%1x%2 | 耗时：%3 ms")
                    .arg(image.Width()).arg(image.Height())
                    .arg(timer.elapsed())
                );
            }
            catch (HException &ex)
            {
                statusBar()->showMessage("错误： " + QString(ex.ErrorMesssage().Text()));
            }
        ｝
    }

    void processEdges()
    {
        if(!image.IsInitialized())
        return;

        QElapsedTimer timer;
        timer.start();

        try{
            //Sobel边缘检测
            HImage sobel;
            sobel = image.SobelAmp("sum_abs", 3);

            //阈值处理
            HRegion region = sobel.Threshold(50, 255);

            //区域处理
            region = region.Connection();
            region = region.SelectShape("area", "and", 500, 99999);
            region = region.DilationCircle(1.5);

            //创建轮廓
            HXLDCont edges = region.GenContourRegionX1d("border");
            
            //在原始图像上绘制边缘
            resultImage = image;
            HTuple row, col;
            edges.GetContourX1d(&row, &col);
            resultImage = resultImage.PaintX1d(edges, QColor(255, 0, 0).rgb(), "fill");

            //显示结果
            displayResult();

            statusBar()->showMessage(QString("边缘检测完成 | 耗时： %1 ms").arg(timer.elapsed()));
        }
        catch (HException &ex) {
            statusBar()->showMessage("处理错误： "+QString(ex.ErrorMessage().Text()));
        }
    }
 void processBlobs()
    {
        if(!image.IsInitialized())
        return;

        QElapsedTimer timer;
        timer.start();

        try{
            //颜色空间转换
            HImage gray;
            image.RgblToGray();

            //阈值处理
            HRegion region = gray.Threshold(100, 255);

            //区域处理
            region = region.Connection();
            region = region.SelectShape("area", "and", 500, 99999);
            region = region.FillUp();

            //特征提取
            HTuple area, row, col;
            region.AreaCenter(&area, &row, &col);
            
            //在原始图像上绘制结果
            resultImage = image;
            for(int i = 0; i < area.Length(); i++)
            {
                //绘制区域
                resultImage = resultImage.PaintRegin(region.SelectObj(i+1),
                                                    QColor(0,255,0).rgb(),
                                                    "fill");
                //绘制中心点
                resultImage = resultImage.PAintXld(HXLDCont(row[i].D(), col[i].D()),
                                                    QColor(0,255,0).rgb(),
                                                    "fill");
                //绘制面积值
                resultImage = resultImage.WriteString(
                    HTuple("Area: ") + area[i],
                    row[i].D(),
                    col[i].D() - 30,
                    "Arial", 12, "bold", QColor(255, 255, 0).rgb());
            }
            //显示结果
            displayResult();

            statusBar()->showMessage(QString("边缘检测完成 | 耗时： %1 ms").arg(timer.elapsed()));
        }
        catch (HException &ex) {
            statusBar()->showMessage("处理错误： "+QString(ex.ErrorMessage().Text()));
        }
    }
}