1 #include "qrcodedialog.h"
2 #include "ui_qrcodedialog.h"
11 #define EXPORT_IMAGE_SIZE 256
13 QRCodeDialog::QRCodeDialog(const QString &title, const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
15 ui(new Ui::QRCodeDialog),
19 setWindowTitle(title);
20 setAttribute(Qt::WA_DeleteOnClose);
22 ui->chkReq->setVisible(enableReq);
23 ui->lnReqAmount->setVisible(enableReq);
24 ui->lblAm1->setVisible(enableReq);
25 ui->lblAm2->setVisible(enableReq);
27 ui->lnLabel->setText(label);
32 QRCodeDialog::~QRCodeDialog()
37 void QRCodeDialog::genCode()
39 QString uri = getURI();
40 //qDebug() << "Encoding:" << uri.toUtf8().constData();
43 ui->lblQRCode->setText("");
45 QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
48 ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
51 myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
52 myImage.fill(0xffffff);
53 unsigned char *p = code->data;
54 for (int y = 0; y < code->width; y++)
56 for (int x = 0; x < code->width; x++)
58 myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
63 ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
67 QString QRCodeDialog::getURI()
69 QString ret = QString("bitcoin:%1").arg(address);
72 if(ui->chkReq->isChecked() && ui->lnReqAmount->text().isEmpty() == false) {
74 double amount = ui->lnReqAmount->text().toDouble(&ok);
76 ret += QString("?amount=%1X8").arg(ui->lnReqAmount->text());
81 if(ui->lnLabel->text().isEmpty() == false) {
82 QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text()));
83 ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
87 if(ui->lnMessage->text().isEmpty() == false) {
88 QString msg(QUrl::toPercentEncoding(ui->lnMessage->text()));
89 ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
96 void QRCodeDialog::on_lnReqAmount_textChanged(const QString &)
101 void QRCodeDialog::on_lnLabel_textChanged(const QString &)
106 void QRCodeDialog::on_lnMessage_textChanged(const QString &)
111 void QRCodeDialog::on_btnSaveAs_clicked()
113 QString fn = GUIUtil::getSaveFileName(this, tr("Save Image..."), QString(), tr("PNG Images (*.png)"));
115 myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
119 void QRCodeDialog::on_chkReq_toggled(bool)