+
+void JPEGFrameView::mousePressEvent(QMouseEvent *event)
+{
+ if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::LeftButton) {
+ emit clicked();
+ }
+}
+
+void JPEGFrameView::set_overlay(const string &text)
+{
+ if (text.empty()) {
+ overlay_image.reset();
+ return;
+ }
+
+ float dpr = QGuiApplication::primaryScreen()->devicePixelRatio();
+ overlay_width = lrint(overlay_base_width * dpr);
+ overlay_height = lrint(overlay_base_height * dpr);
+
+ overlay_image.reset(new QImage(overlay_width, overlay_height, QImage::Format_Grayscale8));
+ overlay_image->setDevicePixelRatio(dpr);
+ overlay_image->fill(0);
+ QPainter painter(overlay_image.get());
+
+ painter.setPen(Qt::white);
+ QFont font = painter.font();
+ font.setPointSize(12);
+ painter.setFont(font);
+
+ painter.drawText(QRectF(0, 0, overlay_base_width, overlay_base_height), Qt::AlignCenter, QString::fromStdString(text));
+
+ // Don't refresh immediately; we might not have an OpenGL context here.
+ overlay_input_needs_refresh = true;
+}