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Diffstat (limited to 'src/qt/qrcodedialog.cpp')
-rw-r--r--src/qt/qrcodedialog.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/qt/qrcodedialog.cpp b/src/qt/qrcodedialog.cpp
new file mode 100644
index 0000000000..ed4c758e38
--- /dev/null
+++ b/src/qt/qrcodedialog.cpp
@@ -0,0 +1,106 @@
+#include "qrcodedialog.h"
+#include "ui_qrcodedialog.h"
+#include <QPixmap>
+#include <QUrl>
+#include <QFileDialog>
+#include <QDesktopServices>
+#include <QDebug>
+
+#include <qrencode.h>
+
+#define EXPORT_IMAGE_SIZE 256
+
+QRCodeDialog::QRCodeDialog(const QString &title, const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
+ QDialog(parent),
+ ui(new Ui::QRCodeDialog),
+ address(addr)
+{
+ ui->setupUi(this);
+ setWindowTitle(title);
+ setAttribute(Qt::WA_DeleteOnClose);
+
+ ui->chkReq->setVisible(enableReq);
+ ui->lnReqAmount->setVisible(enableReq);
+ ui->lblAm1->setVisible(enableReq);
+ ui->lblAm2->setVisible(enableReq);
+
+ ui->lnLabel->setText(label);
+
+ genCode();
+}
+
+QRCodeDialog::~QRCodeDialog()
+{
+ delete ui;
+}
+
+void QRCodeDialog::genCode() {
+
+ 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++;
+ }
+ }
+ QRcode_free(code);
+ ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
+}
+
+QString QRCodeDialog::getURI() {
+ QString ret = QString("bitcoin:%1").arg(address);
+
+ int paramCount = 0;
+ if(ui->chkReq->isChecked() && ui->lnReqAmount->text().isEmpty() == false) {
+ bool ok= false;
+ double amount = ui->lnReqAmount->text().toDouble(&ok);
+ if(ok) {
+ ret += QString("?amount=%1X8").arg(ui->lnReqAmount->text());
+ paramCount++;
+ }
+ }
+
+ if(ui->lnLabel->text().isEmpty() == false) {
+ QString lbl(QUrl::toPercentEncoding(ui->lnLabel->text()));
+ ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
+ paramCount++;
+ }
+
+ if(ui->lnMessage->text().isEmpty() == false) {
+ QString msg(QUrl::toPercentEncoding(ui->lnMessage->text()));
+ ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
+ paramCount++;
+ }
+
+ return ret;
+}
+
+void QRCodeDialog::on_lnReqAmount_textChanged(const QString &) {
+ genCode();
+}
+
+void QRCodeDialog::on_lnLabel_textChanged(const QString &) {
+ genCode();
+}
+
+void QRCodeDialog::on_lnMessage_textChanged(const QString &) {
+ genCode();
+}
+
+void QRCodeDialog::on_btnSaveAs_clicked()
+{
+ QString fn = QFileDialog::getSaveFileName(this, "Save Image...", QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation), "Images (*.png)");
+ if(!fn.isEmpty()) {
+ myImage.scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE).save(fn);
+ }
+}
+
+void QRCodeDialog::on_chkReq_toggled(bool)
+{
+ genCode();
+}