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Qt 将QGraphicsView视图界面保存为图片(转)

需求: QGraphicsView 编辑完成之后,需要将界面保存为图片导出.

QPixmap pix=ui->graphicsView->grab();

Qt 将QGraphicsView视图界面保存为图片(转)_#include


展示代码示例:

#include <QDialog>
#include <QLabel>
void MainWindow::on_pushButton_clicked()
{
QPixmap pix=ui->graphicsView->grab();

QDialog *dialog=new QDialog;

dialog->setWindowTitle("图片展示");

QHBoxLayout *layout=new QHBoxLayout;
QLabel *label=new QLabel;
label->resize(800,480);
pix=pix.scaled(label->width(),label->height());
label->setPixmap(pix);
layout->addWidget(label);

dialog->setLayout(layout);
dialog->show();
dialog->exec();

delete dialog;
}

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