1 #include "qrcodedialog.h"
2 #include "ui_qrcodedialog.h"
6 #include <QDesktopServices>
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();
41 QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
42 myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
43 myImage.fill(0xffffff);
44 unsigned char *p = code->data;
45 for(int y = 0; y < code->width; y++) {
46 for(int x = 0; x < code->width; x++) {
47 myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
52 ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
55 QString QRCodeDialog::getURI()
57 QString ret = QString("bitcoin:%1").arg(address);
60 if(ui->chkReq->isChecked() && ui->lnReqAmount->text().isEmpty() == false) {
62 double amount = ui->lnReqAmount->text().toDouble(&ok);
64 ret += QString("?amount=%1X8").arg(ui->lnReqAmount->text());
69 if(ui->lnLabel->text().isEmpty() == false) {
70 QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text()));
71 ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
75 if(ui->lnMessage->text().isEmpty() == false) {
76 QString msg(QUrl::toPercentEncoding(ui->lnMessage->text()));
77 ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
84 void QRCodeDialog::on_lnReqAmount_textChanged(const QString &)
89 void QRCodeDialog::on_lnLabel_textChanged(const QString &)
94 void QRCodeDialog::on_lnMessage_textChanged(const QString &)
99 void QRCodeDialog::on_btnSaveAs_clicked()
101 QString fn = QFileDialog::getSaveFileName(this, "Save Image...", QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation), "Images (*.png)");
103 myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
107 void QRCodeDialog::on_chkReq_toggled(bool)