QString uri = getURI();
//qDebug() << "Encoding:" << uri.toUtf8().constData();
QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
- myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
- myImage.fill(0xffffff);
- unsigned char *p = code->data;
- for(int y = 0; y < code->width; y++) {
- for(int x = 0; x < code->width; x++) {
- myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
- p++;
+ if (code)
+ {
+ ui->lblQRCode->setText("");
+
+ QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
+ myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
+ myImage.fill(0xffffff);
+ unsigned char *p = code->data;
+ for (int y = 0; y < code->width; y++)
+ {
+ for (int x = 0; x < code->width; x++)
+ {
+ myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
+ p++;
+ }
}
+ QRcode_free(code);
+ ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
}
- QRcode_free(code);
- ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
+ else
+ ui->lblQRCode->setText(tr("Error encoding URI into QR Code; try to reduce the text for label / message."));
}
QString QRCodeDialog::getURI()