AaronFiore/electrum
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Merge pull request #81 from bkkcoins/qr-scalable-centered

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Make QR codes scalable and centered
This commit is contained in:
ThomasV
2013-01-04 01:58:48 -08:00
parent 5bf144c7b8 3b0ed36c74
commit 558ba16bc2
1 changed files with 11 additions and 9 deletions
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20
lib/gui_qt.py
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@@ -166,7 +166,6 @@ class QRCodeWidget(QWidget):
black = QColor(0, 0, 0, 255) black = QColor(0, 0, 0, 255)
white = QColor(255, 255, 255, 255) white = QColor(255, 255, 255, 255)
boxsize = 6
if not self.qr: if not self.qr:
qp = QtGui.QPainter() qp = QtGui.QPainter()
@@ -176,11 +175,16 @@ class QRCodeWidget(QWidget):
qp.drawRect(0, 0, 198, 198) qp.drawRect(0, 0, 198, 198)
qp.end() qp.end()
return return
size = self.qr.getModuleCount()*boxsize
k = self.qr.getModuleCount() k = self.qr.getModuleCount()
qp = QtGui.QPainter() qp = QtGui.QPainter()
qp.begin(self) 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 r in range(k):
for c in range(k): for c in range(k):
if self.qr.isDark(r, c): if self.qr.isDark(r, c):
@@ -189,7 +193,7 @@ class QRCodeWidget(QWidget):
else: else:
qp.setBrush(white) qp.setBrush(white)
qp.setPen(white) qp.setPen(white)
qp.drawRect(c*boxsize, r*boxsize, boxsize, boxsize) qp.drawRect(left+c*boxsize, top+r*boxsize, boxsize, boxsize)
qp.end() qp.end()
@@ -208,13 +212,11 @@ class QR_Window(QWidget):
main_box = QHBoxLayout() main_box = QHBoxLayout()
self.qrw = QRCodeWidget() self.qrw = QRCodeWidget()
main_box.addWidget(self.qrw) main_box.addWidget(self.qrw, 1)
vbox = QVBoxLayout() vbox = QVBoxLayout()
main_box.addLayout(vbox) main_box.addLayout(vbox)
main_box.addStretch(1)
self.address_label = QLabel("") self.address_label = QLabel("")
self.address_label.setFont(QFont(MONOSPACE_FONT)) self.address_label.setFont(QFont(MONOSPACE_FONT))
vbox.addWidget(self.address_label) vbox.addWidget(self.address_label)
@@ -1202,8 +1204,8 @@ class ElectrumWindow(QMainWindow):
d.setMinimumSize(270, 300) d.setMinimumSize(270, 300)
vbox = QVBoxLayout() vbox = QVBoxLayout()
qrw = QRCodeWidget(data) qrw = QRCodeWidget(data)
vbox.addWidget(qrw) vbox.addWidget(qrw, 1)
vbox.addWidget(QLabel(data)) vbox.addWidget(QLabel(data), 0, Qt.AlignHCenter)
hbox = QHBoxLayout() hbox = QHBoxLayout()
hbox.addStretch(1) hbox.addStretch(1)