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-rw-r--r--src/qt/receiverequestdialog.cpp108
-rw-r--r--src/qt/receiverequestdialog.h1
2 files changed, 61 insertions, 48 deletions
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
index f5b30cf6d2..6eb2171f1b 100644
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -37,6 +37,64 @@ QRImageWidget::QRImageWidget(QWidget *parent):
contextMenu->addAction(copyImageAction);
}
+bool QRImageWidget::setQR(const QString& data, const QString& text)
+{
+#ifdef USE_QRCODE
+ setText("");
+ if (data.isEmpty()) return false;
+
+ // limit length
+ if (data.length() > MAX_URI_LENGTH) {
+ setText(tr("Resulting URI too long, try to reduce the text for label / message."));
+ return false;
+ }
+
+ QRcode *code = QRcode_encodeString(data.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
+
+ if (!code) {
+ setText(tr("Error encoding URI into QR Code."));
+ return false;
+ }
+
+ QImage qrImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
+ qrImage.fill(0xffffff);
+ unsigned char *p = code->data;
+ for (int y = 0; y < code->width; ++y) {
+ for (int x = 0; x < code->width; ++x) {
+ qrImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
+ ++p;
+ }
+ }
+ QRcode_free(code);
+
+ QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE + (text.isEmpty() ? 0 : 20), QImage::Format_RGB32);
+ qrAddrImage.fill(0xffffff);
+ QPainter painter(&qrAddrImage);
+ painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE));
+
+ if (!text.isEmpty()) {
+ QFont font = GUIUtil::fixedPitchFont();
+ QRect paddedRect = qrAddrImage.rect();
+
+ // calculate ideal font size
+ qreal font_size = GUIUtil::calculateIdealFontSize(paddedRect.width() - 20, text, font);
+ font.setPointSizeF(font_size);
+
+ painter.setFont(font);
+ paddedRect.setHeight(QR_IMAGE_SIZE+12);
+ painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, text);
+ }
+
+ painter.end();
+ setPixmap(QPixmap::fromImage(qrAddrImage));
+
+ return true;
+#else
+ setText(tr("QR code support not available."));
+ return false;
+#endif
+}
+
QImage QRImageWidget::exportImage()
{
if(!pixmap())
@@ -150,55 +208,9 @@ void ReceiveRequestDialog::update()
}
ui->outUri->setText(html);
-#ifdef USE_QRCODE
- ui->lblQRCode->setText("");
- if(!uri.isEmpty())
- {
- // limit URI length
- if (uri.length() > MAX_URI_LENGTH)
- {
- ui->lblQRCode->setText(tr("Resulting URI too long, try to reduce the text for label / message."));
- } else {
- QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
- if (!code)
- {
- ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
- return;
- }
- QImage qrImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
- qrImage.fill(0xffffff);
- unsigned char *p = code->data;
- for (int y = 0; y < code->width; y++)
- {
- for (int x = 0; x < code->width; x++)
- {
- qrImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
- p++;
- }
- }
- QRcode_free(code);
-
- QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE+20, QImage::Format_RGB32);
- qrAddrImage.fill(0xffffff);
- QPainter painter(&qrAddrImage);
- painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE));
- QFont font = GUIUtil::fixedPitchFont();
- QRect paddedRect = qrAddrImage.rect();
-
- // calculate ideal font size
- qreal font_size = GUIUtil::calculateIdealFontSize(paddedRect.width() - 20, info.address, font);
- font.setPointSizeF(font_size);
-
- painter.setFont(font);
- paddedRect.setHeight(QR_IMAGE_SIZE+12);
- painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, info.address);
- painter.end();
-
- ui->lblQRCode->setPixmap(QPixmap::fromImage(qrAddrImage));
- ui->btnSaveAs->setEnabled(true);
- }
+ if (ui->lblQRCode->setQR(uri, info.address)) {
+ ui->btnSaveAs->setEnabled(true);
}
-#endif
}
void ReceiveRequestDialog::on_btnCopyURI_clicked()
diff --git a/src/qt/receiverequestdialog.h b/src/qt/receiverequestdialog.h
index dd28fd73c8..0e62c26fd3 100644
--- a/src/qt/receiverequestdialog.h
+++ b/src/qt/receiverequestdialog.h
@@ -29,6 +29,7 @@ class QRImageWidget : public QLabel
public:
explicit QRImageWidget(QWidget *parent = nullptr);
+ bool setQR(const QString& data, const QString& text = "");
QImage exportImage();
public Q_SLOTS: