qt5错误发生Poppler::Document* Document
qt5 error occur Poppler::Document* document
我正在使用qt和poppler库制作PDF查看器,但是,运行此程序发生错误
错误是'程序意外结束。的
错误发生Poppler::Document* Document =波普尔::文档::负载(文件名);
当我擦除Poppler::Document::load(filename)错误没有发生
如何解决?
我在下面发现了一个错误代码,但是按照这个示例poppler Qt5
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <opencv2/opencv.hpp>
#include <QFileDialog>
#include <QMessageBox>
#include <QDesktopServices>
#include <QUrl>
#include <poppler-qt5.h>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
cv::Mat image = cv::imread("/home/googolhkl/사진/IMG_20150925_1.jpg");
cv::imshow("display",image);
QString filename;
Poppler::Document* document = Poppler::Document::load(filename);
if (!document || document->isLocked()) {
// ... error message ....
delete document;
return;
}
}
您必须加载现有文件,但在您的示例中文件名为空:
QString filename;
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