DragonX/SilentDragonXLite
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QR code changes

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This commit is contained in:
fekt
2023-02-19 20:49:03 -05:00
parent 6a8c9a0adf
commit 370cb7623b
3 changed files with 62 additions and 38 deletions
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16
src/qrcodelabel.cpp
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@@ -12,7 +12,7 @@ QRCodeLabel::QRCodeLabel(QWidget *parent) :
QSize QRCodeLabel::sizeHint() const
{
int w = this->width();
return QSize(w, w); // 1:1
return QSize(w, w); // 1:1
}
void QRCodeLabel::resizeEvent(QResizeEvent*)
@@ -25,8 +25,8 @@ QPixmap QRCodeLabel::scaledPixmap() const {
QPixmap pm(size());
pm.fill(Qt::white);
QPainter painter(&pm);
qrcodegen::QrCode qr = qrcodegen::QrCode::encodeText(str.toUtf8().constData(), qrcodegen::QrCode::Ecc::LOW);
qrcodegen::QrCode qr = qrcodegen::QrCode::encodeText(str.toUtf8().constData(), qrcodegen::QrCode::Ecc::HIGH);
const int s = qr.getSize()>0?qr.getSize():1;
const double w = pm.width();
const double h = pm.height();
@@ -35,8 +35,8 @@ QPixmap QRCodeLabel::scaledPixmap() const {
const double scale = size/(s+2);
const double woff = (w - size) > 0 ? (w - size) / 2 : 0;
const double hoff = (h - size) > 0 ? (h - size) / 2 : 0;
// NOTE: For performance reasons my implementation only draws the foreground parts
// NOTE: For performance reasons my implementation only draws the foreground parts
painter.setPen(Qt::NoPen);
painter.setBrush(QColor(Qt::black));
for(int y=0; y<s; y++) {
@@ -49,7 +49,11 @@ QPixmap QRCodeLabel::scaledPixmap() const {
}
}
}
// TODO: Maybe add logo if it doesn't break QR code - requires setting Ecc to HIGH
painter.drawPixmap((w/2)-50, (h/2)-50, 100, 100, QPixmap(":/img/logobig.gif"));
painter.end();
return pm;
}