[Qt5] 各种方式的图像读取，支持中文路径（Halcon）

//.h
Hlong  m_winID;       //窗口ID
HTuple m_windowHandle;//窗口句柄
HObject m_image;      //窗体显示图像
HTuple m_imageWidth, m_imageHeight;

//初始化：窗口绑定Halcon句柄
m_winID = (Hlong)this->ui.ImageWidget->winId();
SetWindowAttr("background_color", "black");//设置窗口颜色
OpenWindow(0, 0, ui.ImageWidget->width(), ui.ImageWidget->height(), m_winID, "visible", "", &m_windowHandle);//打开窗口绑定halcon的句柄

#include< QFileDialog>
#include "HalconCpp.h"
using namespace HalconCpp;
//获取图片所在地址
QString fileName = QFileDialog::getOpenFileName(this, tr("open image file"), "./", tr("Image files(*.bmp *.jpg *.pbm *.pgm *.png *.ppm *.xbm *.xpm);;All files (*.*)"));
//图片打开失败报警
if (fileName.isEmpty())
{
    QMessageBox::information(NULL, QString::fromLocal8Bit("警告"), QString::fromLocal8Bit("图像打开失败"));
  return;
}
ReadImage(&m_image, HTuple(fileName.toLocal8Bit().toStdString().c_str()));//支持中文路径读取图片
GetImageSize(m_image, &m_imageWidth, &m_imageHeight);
SetPart(m_windowHandle,0, 0, m_imageHeight.D(), m_imageWidth.D());
DispObj(m_image, m_windowHandle);

//.h
Hlong  m_winID;       //窗口ID
HTuple m_windowHandle;//窗口句柄
HObject m_image;      //窗体显示图像
HTuple m_imageWidth, m_imageHeight;

//初始化：窗口绑定Halcon句柄
m_winID = (Hlong)this->ui.ImageWidget->winId();
SetWindowAttr("background_color", "black");//设置窗口颜色
OpenWindow(0, 0, ui.ImageWidget->width(), ui.ImageWidget->height(), m_winID, "visible", "", &m_windowHandle);//打开窗口绑定halcon的句柄

void FormScalingTest::dispImage(HObject _inImg,QWidget *_widget)
{
  double widgetWidth = _widget->width();
  double widgetHeight = _widget->height();
  GetImageSize(_inImg, &m_imageWidth, &m_imageHeight);
  if (!(m_imageWidth.Length() > 0))
  {
    return;
  }
  double ratioWidth = (1.0) * m_imageWidth.D() / widgetWidth;
  double ratioHeight = (1.0) * m_imageHeight.D() / widgetHeight;
  HTuple row1, column1, row2, column2;
  if (ratioWidth >= ratioHeight)
  {
    row1 = (-1.0) * (widgetHeight * ratioHeight - m_imageHeight) / 2;
    column1 = 0;
    row2 = row1 + widgetHeight * ratioWidth;
    column2 = column1 + widgetHeight * ratioWidth;
  }
  else
  {
    row1 = 0;
    column1 = (-1.0) * (widgetWidth * ratioHeight - m_imageWidth) / 2;
    row2 = row1 + widgetHeight * ratioHeight;
    column2 = column1 + widgetWidth * ratioHeight;
  }
  SetPart(m_windowHandle, row1, column1, row2, column2);
  DispObj(m_image, m_windowHandle); 
}

#include< QFileDialog>
#include "HalconCpp.h"
using namespace HalconCpp;
CFileDialog readfileDlg(TRUE,NULL,NULL,0,pcsun,this);
if(IDOK ==readfileDlg.DoModal()) //当点击确定按钮时候，会记录文件路径
  {
    path = readfileDlg.GetPathName();
  }
else
  {
    QMessageBox::information(NULL, QString::fromLocal8Bit("警告"), QString::fromLocal8Bit("图像打开失败"));
    return;
  }
hv_FilePath[0] =(char *)path.GetBuffer();   //涉及到数据转换、
HalconCpp::HImage ho_Image;
ReadImage(&ho_Image,hv_FilePath);          //读取文件
dispImage(m_image, ui.ImageWidget);

#include< QFileDialog>
#include "HalconCpp.h"
using namespace HalconCpp;
QString fileName = QFileDialog::getOpenFileName(this,
      tr("Open File..."),
      "F:",
      tr("IMG(*png *jpg *bmp);;"
        "(*txt)"));
HImage ho_Image;
ReadImage(&ho_Image, fileName.toLocal8Bit().toStdString().c_str());//支持中文路径读取图片
dispImage(m_image, ui.ImageWidget);

QImage img = ho_Image;
if (img.isNull())
{
    ui->label_pic->setPixmap(QPixmap(":/res/icons/picture.png"));
}
else
{
    ui->label_pic->setPixmap(QPixmap::fromImage(img).scaled(ui->label_pic->width(), \
    ui->label_pic->height(), Qt::KeepAspectRatio));
}

list_files ('E:/Test Image', ['files','follow_links'], ImageFiles)
tuple_regexp_select (ImageFiles, ['\\.(tif|tiff|gif|bmp|jpg|jpeg|jp2|png|pcx|pgm|ppm|pbm|xwd|ima|hobj)$','ignore_case'], ImageFiles)
for Index := 0 to |ImageFiles| - 1  by 1
    read_image (Image, 'E:/Test Image/'+ Index + '.bmp')
    rgb1_to_gray (Image, GrayImage)

HTuple hv_ImageFiles; HObject ho_Image;
ListFiles("E://Test Image", (HTuple("files").Append("follow_links")), &hv_ImageFiles);
TupleRegexpSelect(hv_ImageFiles, (HTuple("\\.(tif|tiff|gif|bmp|jpg|jpeg|jp2|png|pcx|pgm|ppm|pbm|xwd|ima|hobj)$").Append("ignore_case")), &hv_ImageFiles);
for (int Index  = 1; Index  <= hv_ImageFiles.TupleLength(); Index++)
{
  ReadImage(&ho_Image, QString("E://Test Image//" + QString::number(Index) + ".bmp").toStdString().c_str());  
}