70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
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#include "PaperWidget.h"
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#include <QApplication>
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#include <QGraphicsDropShadowEffect>
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#include <QPainter>
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#include "qzxing/QZXing.h"
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#include "ui_PaperWidget.h"
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PaperWidget::PaperWidget(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::PaperWidget)
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{
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ui->setupUi(this);
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// ui->widget->hide();
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QGraphicsDropShadowEffect* effect = new QGraphicsDropShadowEffect(this);
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effect->setOffset(0, 0);
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effect->setColor(QColor(68, 68, 68));
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effect->setBlurRadius(10);
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ui->widget_2->setGraphicsEffect(effect);
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}
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PaperWidget::~PaperWidget()
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{
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delete ui;
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}
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void PaperWidget::SetBackground(const QString& path, const QString& url) {
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setAutoFillBackground(true);
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QPixmap px(path);
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//px_ = px;
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//if (!px.isNull()) {
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// px_ = px.scaled(size(), Qt::KeepAspectRatio);
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//}
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QPalette pal = palette();
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pal.setBrush(QPalette::Window, QBrush(px.scaled(size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation)));
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setPalette(pal);
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GeneratorQRcode(url);
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}
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void PaperWidget::GeneratorQRcode(const QString& url) {
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// 创建一个 QZXing 对象
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QZXing qzxing;
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// 生成二维码图像
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QImage qrImage = qzxing.encodeData(url);
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// 将二维码图像转换为 QPixmap
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QPixmap qrPixmap = QPixmap::fromImage(qrImage);
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qDebug() << __FUNCTION__ << ui->label_2->size();
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QPixmap pixmap = qrPixmap.scaled(QSize(220, 220), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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ui->label_2->setPixmap(pixmap);
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}
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//void PaperWidget::paintEvent(QPaintEvent* e) {
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// if (px_.isNull()) {
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// QWidget::paintEvent(e);
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// return;
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// }
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//
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// QPainter painter(this);
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// painter.drawPixmap((size().width() - px_.width())/ 2, 0, px_);
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//
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// QWidget::paintEvent(e);
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//}
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