diff options
Diffstat (limited to 'src/qt')
| -rw-r--r-- | src/qt/qrimagewidget.cpp | 31 | ||||
| -rw-r--r-- | src/qt/qrimagewidget.h | 4 |
2 files changed, 20 insertions, 15 deletions
diff --git a/src/qt/qrimagewidget.cpp b/src/qt/qrimagewidget.cpp index c816e1f8ed..52f1e60957 100644 --- a/src/qt/qrimagewidget.cpp +++ b/src/qt/qrimagewidget.cpp @@ -9,6 +9,7 @@ #include <QApplication> #include <QClipboard> #include <QDrag> +#include <QFontDatabase> #include <QMenu> #include <QMimeData> #include <QMouseEvent> @@ -64,26 +65,28 @@ bool QRImageWidget::setQR(const QString& data, const QString& text) } QRcode_free(code); - QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE + (text.isEmpty() ? 0 : 20), QImage::Format_RGB32); + const int qr_image_size = QR_IMAGE_SIZE + (text.isEmpty() ? 0 : 2 * QR_IMAGE_MARGIN); + QImage qrAddrImage(qr_image_size, qr_image_size, QImage::Format_RGB32); qrAddrImage.fill(0xffffff); - QPainter painter(&qrAddrImage); - painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE)); + { + QPainter painter(&qrAddrImage); + painter.drawImage(QR_IMAGE_MARGIN, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE)); - if (!text.isEmpty()) { - QFont font = GUIUtil::fixedPitchFont(); - font.setStyleStrategy(QFont::NoAntialias); - QRect paddedRect = qrAddrImage.rect(); + if (!text.isEmpty()) { + QRect paddedRect = qrAddrImage.rect(); + paddedRect.setHeight(QR_IMAGE_SIZE + QR_IMAGE_TEXT_MARGIN); - // calculate ideal font size - qreal font_size = GUIUtil::calculateIdealFontSize(paddedRect.width() - 20, text, font); - font.setPointSizeF(font_size); + QFont font = GUIUtil::fixedPitchFont(); + font.setStretch(QFont::SemiCondensed); + font.setLetterSpacing(QFont::AbsoluteSpacing, 1); + const qreal font_size = GUIUtil::calculateIdealFontSize(paddedRect.width() - 2 * QR_IMAGE_TEXT_MARGIN, text, font); + font.setPointSizeF(font_size); - painter.setFont(font); - paddedRect.setHeight(QR_IMAGE_SIZE+12); - painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, text); + painter.setFont(font); + painter.drawText(paddedRect, Qt::AlignBottom | Qt::AlignCenter, text); + } } - painter.end(); setPixmap(QPixmap::fromImage(qrAddrImage)); return true; diff --git a/src/qt/qrimagewidget.h b/src/qt/qrimagewidget.h index cca598c2ce..a031bd7632 100644 --- a/src/qt/qrimagewidget.h +++ b/src/qt/qrimagewidget.h @@ -12,7 +12,9 @@ static const int MAX_URI_LENGTH = 255; /* Size of exported QR Code image */ -static const int QR_IMAGE_SIZE = 300; +static constexpr int QR_IMAGE_SIZE = 300; +static constexpr int QR_IMAGE_TEXT_MARGIN = 10; +static constexpr int QR_IMAGE_MARGIN = 2 * QR_IMAGE_TEXT_MARGIN; QT_BEGIN_NAMESPACE class QMenu; |