Browse Source

make qr codes scalable and centered

283
bkkcoins 12 years ago
parent
commit
902bc6f87a
  1. 16
      lib/gui_qt.py

16
lib/gui_qt.py

@ -166,7 +166,6 @@ class QRCodeWidget(QWidget):
black = QColor(0, 0, 0, 255)
white = QColor(255, 255, 255, 255)
boxsize = 6
if not self.qr:
qp = QtGui.QPainter()
@ -176,11 +175,16 @@ class QRCodeWidget(QWidget):
qp.drawRect(0, 0, 198, 198)
qp.end()
return
size = self.qr.getModuleCount()*boxsize
k = self.qr.getModuleCount()
qp = QtGui.QPainter()
qp.begin(self)
r = qp.viewport()
boxsize = min(r.width(), r.height())*0.8/k
size = k*boxsize
left = (r.width() - size)/2
top = (r.height() - size)/2
for r in range(k):
for c in range(k):
if self.qr.isDark(r, c):
@ -189,7 +193,7 @@ class QRCodeWidget(QWidget):
else:
qp.setBrush(white)
qp.setPen(white)
qp.drawRect(c*boxsize, r*boxsize, boxsize, boxsize)
qp.drawRect(left+c*boxsize, top+r*boxsize, boxsize, boxsize)
qp.end()
@ -1200,8 +1204,8 @@ class ElectrumWindow(QMainWindow):
d.setMinimumSize(270, 300)
vbox = QVBoxLayout()
qrw = QRCodeWidget(data)
vbox.addWidget(qrw)
vbox.addWidget(QLabel(data))
vbox.addWidget(qrw, 1)
vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
hbox = QHBoxLayout()
hbox.addStretch(1)

Loading…
Cancel
Save