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 // don't display "(no label)" if there IS no label, as this is confusing in the QR dialog
28 if(label != tr("(no label)"))
29 ui->lnLabel->setText(label);
34 QRCodeDialog::~QRCodeDialog()
39 void QRCodeDialog::genCode()
41 QString uri = getURI();
42 QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
43 myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
44 myImage.fill(0xffffff);
45 unsigned char *p = code->data;
46 for (int y = 0; y < code->width; y++)
48 for (int x = 0; x < code->width; x++)
50 myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
55 ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
58 QString QRCodeDialog::getURI()
60 QString ret = QString("bitcoin:%1").arg(address);
63 if (ui->chkReq->isChecked() && !ui->lnReqAmount->text().isEmpty())
66 ui->lnReqAmount->text().toDouble(&ok);
69 ret += QString("?amount=%1").arg(ui->lnReqAmount->text());
74 if (!ui->lnLabel->text().isEmpty())
76 QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text()));
77 ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
81 if (!ui->lnMessage->text().isEmpty())
83 QString msg(QUrl::toPercentEncoding(ui->lnMessage->text()));
84 ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
91 void QRCodeDialog::on_lnReqAmount_textChanged(const QString &)
96 void QRCodeDialog::on_lnLabel_textChanged(const QString &)
101 void QRCodeDialog::on_lnMessage_textChanged(const QString &)
106 void QRCodeDialog::on_btnSaveAs_clicked()
108 QString fn = GUIUtil::getSaveFileName(this, tr("Save Image..."), QString(), tr("PNG Images (*.png)"));
110 myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
113 void QRCodeDialog::on_chkReq_toggled(bool)