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electrum-bitcoinprivate
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more QR code capabilities: encode amount, save to file

This commit is contained in:
ThomasV 2012-05-01 17:06:14 +02:00
parent 50e5f910a7
commit 9050a41381
3 changed files with 110 additions and 36 deletions
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16
bmp.py
View File

@ -193,7 +193,23 @@ class BitMap(object):
f.close()
def save_qrcode(qr, filename):
bitmap = BitMap( 35*8, 35*8 )
#print len(bitmap.bitarray)
bitmap.bitarray = []
k = 33
for r in range(35):
tmparray = [ 0 ] * 35*8
if 0 < r < 34:
for c in range(k):
if qr.isDark(r-1, c):
tmparray[ (1+c)*8:(2+c)*8] = [1]*8
for i in range(8):
bitmap.bitarray.append( tmparray[:] )
bitmap.saveFile( filename )

52
electrum4a.py
View File

@ -26,7 +26,7 @@ from wallet import format_satoshis
from decimal import Decimal
import mnemonic
import datetime
import datetime, re
@ -606,6 +606,10 @@ def main_loop():
elif out == "receive":
global receive_addr
receive_addr = select_from_addresses()
amount = modal_input('Amount', 'Amount you want receive. ', '', "numberDecimal")
if amount:
receive_addr = 'bitcoin:%s?amount=%s'%(receive_addr, amount)
if not receive_addr:
out = None
@ -656,9 +660,16 @@ def payto_loop():
code = droid.scanBarcode()
r = code.result
if r:
addr = r['extras']['SCAN_RESULT']
if addr:
droid.fullSetProperty("recipient","text",addr)
data = r['extras']['SCAN_RESULT']
if data:
if re.match('^bitcoin:', data):
payto, amount, label, _, _, _, _ = wallet.parse_url(data, None, None)
droid.fullSetProperty("recipient", "text",payto)
droid.fullSetProperty("amount", "text", amount)
droid.fullSetProperty("label", "text", label)
else:
droid.fullSetProperty("recipient", "text", data)
elif event["name"] in menu_commands:
out = event["name"]
@ -923,29 +934,16 @@ def make_bitmap(addr):
# fixme: this is highly inefficient
droid.dialogCreateSpinnerProgress("please wait")
droid.dialogShow()
import pyqrnative, bmp
qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.H)
qr.addData(addr)
qr.make()
k = qr.getModuleCount()
bitmap = bmp.BitMap( 35*8, 35*8 )
print len(bitmap.bitarray)
bitmap.bitarray = []
assert k == 33
for r in range(35):
tmparray = [ 0 ] * 35*8
if 0 < r < 34:
for c in range(k):
if qr.isDark(r-1, c):
tmparray[ (1+c)*8:(2+c)*8] = [1]*8
for i in range(8):
bitmap.bitarray.append( tmparray[:] )
bitmap.saveFile( "/sdcard/sl4a/qrcode.bmp" )
droid.dialogDismiss()
try:
import pyqrnative, bmp
qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
qr.addData(addr)
qr.make()
k = qr.getModuleCount()
assert k == 33
bmp.save_qrcode(qr,"/sdcard/sl4a/qrcode.bmp")
finally:
droid.dialogDismiss()

78
gui_qt.py
View File

@ -96,11 +96,14 @@ class StatusBarButton(QPushButton):
class QRCodeWidget(QWidget):
def __init__(self, addr):
import pyqrnative
super(QRCodeWidget, self).__init__()
self.addr = addr
self.setGeometry(300, 300, 350, 350)
self.qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.H)
self.set_addr(addr)
def set_addr(self, addr):
import pyqrnative
self.addr = addr
self.qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
self.qr.addData(addr)
self.qr.make()
@ -524,7 +527,7 @@ class ElectrumWindow(QMainWindow):
addr = unicode( i.text(0) )
return addr
qrButton = EnterButton("QR",lambda: ElectrumWindow.showqrcode(get_addr(l)))
qrButton = EnterButton("QR",lambda: self.show_address_qrcode(get_addr(l)))
def copy2clipboard(addr):
self.app.clipboard().setText(addr)
@ -657,18 +660,75 @@ class ElectrumWindow(QMainWindow):
+ ' '.join(mnemonic.mn_encode(seed)) + "\""
QMessageBox.information(parent, 'Seed', msg, 'OK')
ElectrumWindow.showqrcode(seed)
ElectrumWindow.show_seed_qrcode(seed)
@staticmethod
def showqrcode(address):
def show_seed_qrcode(seed):
if not seed: return
d = QDialog(None)
d.setModal(1)
d.setWindowTitle(seed)
d.setMinimumSize(270, 300)
vbox = QVBoxLayout()
vbox.addWidget(QRCodeWidget(seed))
hbox = QHBoxLayout()
hbox.addStretch(1)
b = QPushButton("OK")
hbox.addWidget(b)
b.clicked.connect(d.accept)
vbox.addLayout(hbox)
d.setLayout(vbox)
d.exec_()
def show_address_qrcode(self,address):
if not address: return
d = QDialog(None)
d.setModal(1)
d.setWindowTitle(address)
d.setMinimumSize(270, 300)
d.setMinimumSize(270, 350)
vbox = QVBoxLayout()
vbox.addWidget(QRCodeWidget(address))
vbox.addLayout(ok_cancel_buttons(d))
qrw = QRCodeWidget(address)
vbox.addWidget(qrw)
hbox = QHBoxLayout()
amount_e = QLineEdit()
hbox.addWidget(QLabel('Amount'))
hbox.addWidget(amount_e)
vbox.addLayout(hbox)
#hbox = QHBoxLayout()
#label_e = QLineEdit()
#hbox.addWidget(QLabel('Label'))
#hbox.addWidget(label_e)
#vbox.addLayout(hbox)
def amount_changed():
amount = numbify(amount_e)
#label = str( label_e.getText() )
if amount is not None:
qrw.set_addr('bitcoin:%s?amount=%s'%(address,str( Decimal(amount) /100000000)))
else:
qrw.set_addr( address )
qrw.repaint()
def do_save():
import bmp
bmp.save_qrcode(qrw.qr, "qrcode.bmp")
self.show_message("QR code saved to file 'qrcode.bmp'")
amount_e.textChanged.connect( amount_changed )
hbox = QHBoxLayout()
hbox.addStretch(1)
b = QPushButton("Save")
b.clicked.connect(do_save)
hbox.addWidget(b)
b = QPushButton("Close")
hbox.addWidget(b)
b.clicked.connect(d.accept)
vbox.addLayout(hbox)
d.setLayout(vbox)
d.exec_()