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110 lines
2.8 KiB
110 lines
2.8 KiB
#include "qrcodedialog.h" |
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#include "ui_qrcodedialog.h" |
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#include "guiutil.h" |
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#include <QPixmap> |
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#include <QUrl> |
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#include <QDebug> |
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#include <qrencode.h> |
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#define EXPORT_IMAGE_SIZE 256 |
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QRCodeDialog::QRCodeDialog(const QString &title, const QString &addr, const QString &label, bool enableReq, QWidget *parent) : |
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QDialog(parent), |
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ui(new Ui::QRCodeDialog), |
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address(addr) |
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{ |
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ui->setupUi(this); |
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setWindowTitle(title); |
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setAttribute(Qt::WA_DeleteOnClose); |
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ui->chkReq->setVisible(enableReq); |
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ui->lnReqAmount->setVisible(enableReq); |
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ui->lblAm1->setVisible(enableReq); |
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ui->lblAm2->setVisible(enableReq); |
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ui->lnLabel->setText(label); |
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genCode(); |
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} |
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QRCodeDialog::~QRCodeDialog() |
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{ |
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delete ui; |
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} |
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void QRCodeDialog::genCode() |
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{ |
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QString uri = getURI(); |
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//qDebug() << "Encoding:" << uri.toUtf8().constData(); |
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QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1); |
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myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32); |
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myImage.fill(0xffffff); |
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unsigned char *p = code->data; |
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for(int y = 0; y < code->width; y++) { |
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for(int x = 0; x < code->width; x++) { |
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myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff)); |
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p++; |
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} |
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} |
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QRcode_free(code); |
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ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300)); |
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} |
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QString QRCodeDialog::getURI() |
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{ |
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QString ret = QString("bitcoin:%1").arg(address); |
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int paramCount = 0; |
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if(ui->chkReq->isChecked() && ui->lnReqAmount->text().isEmpty() == false) { |
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bool ok= false; |
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double amount = ui->lnReqAmount->text().toDouble(&ok); |
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if(ok) { |
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ret += QString("?amount=%1X8").arg(ui->lnReqAmount->text()); |
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paramCount++; |
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} |
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} |
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if(ui->lnLabel->text().isEmpty() == false) { |
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QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text())); |
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ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl); |
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paramCount++; |
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} |
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if(ui->lnMessage->text().isEmpty() == false) { |
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QString msg(QUrl::toPercentEncoding(ui->lnMessage->text())); |
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ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg); |
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paramCount++; |
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} |
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return ret; |
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} |
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void QRCodeDialog::on_lnReqAmount_textChanged(const QString &) |
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{ |
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genCode(); |
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} |
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void QRCodeDialog::on_lnLabel_textChanged(const QString &) |
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{ |
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genCode(); |
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} |
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void QRCodeDialog::on_lnMessage_textChanged(const QString &) |
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{ |
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genCode(); |
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} |
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void QRCodeDialog::on_btnSaveAs_clicked() |
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{ |
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QString fn = GUIUtil::getSaveFileName(this, tr("Save Image..."), QString(), tr("PNG Images (*.png)")); |
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if(!fn.isEmpty()) { |
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myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn); |
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} |
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} |
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void QRCodeDialog::on_chkReq_toggled(bool) |
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{ |
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genCode(); |
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}
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