mirror of
https://github.com/LBRYFoundation/LBRY-Vault.git
synced 2025-08-23 17:47:31 +00:00
749 lines
32 KiB
Python
749 lines
32 KiB
Python
'''
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Revealer
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Do you have something to hide?
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Secret backup plug-in for the electrum wallet.
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Tiago Romagnani Silveira, 2017
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'''
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import os
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import random
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import qrcode
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import traceback
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from decimal import Decimal
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from PyQt5.QtPrintSupport import QPrinter
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from electrum.plugin import hook
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from electrum.i18n import _
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from electrum.util import make_dir, InvalidPassword, UserCancelled, bh2u, bfh
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from electrum.gui.qt.util import *
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from electrum.gui.qt.qrtextedit import ScanQRTextEdit
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from electrum.gui.qt.main_window import StatusBarButton
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from .revealer import RevealerPlugin, VersionedSeed
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class Plugin(RevealerPlugin):
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MAX_PLAINTEXT_LEN = 189 # chars
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def __init__(self, parent, config, name):
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RevealerPlugin.__init__(self, parent, config, name)
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self.base_dir = os.path.join(config.electrum_path(), 'revealer')
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if self.config.get('calibration_h') is None:
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self.config.set_key('calibration_h', 0)
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if self.config.get('calibration_v') is None:
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self.config.set_key('calibration_v', 0)
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self.calibration_h = self.config.get('calibration_h')
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self.calibration_v = self.config.get('calibration_v')
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self.f_size = QSize(1014*2, 642*2)
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self.abstand_h = 21
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self.abstand_v = 34
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self.calibration_noise = int('10' * 128)
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self.rawnoise = False
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make_dir(self.base_dir)
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self.extension = False
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@hook
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def create_status_bar(self, parent):
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b = StatusBarButton(QIcon(':icons/revealer.png'), "Revealer "+_("secret backup utility"),
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partial(self.setup_dialog, parent))
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parent.addPermanentWidget(b)
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def requires_settings(self):
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return True
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def settings_widget(self, window):
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return EnterButton(_('Printer Calibration'), partial(self.calibration_dialog, window))
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def password_dialog(self, msg=None, parent=None):
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from electrum.gui.qt.password_dialog import PasswordDialog
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parent = parent or self
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d = PasswordDialog(parent, msg)
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return d.run()
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def get_seed(self):
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password = None
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if self.wallet.has_keystore_encryption():
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password = self.password_dialog(parent=self.d.parent())
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if not password:
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raise UserCancelled()
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keystore = self.wallet.get_keystore()
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if not keystore or not keystore.has_seed():
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return
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self.extension = bool(keystore.get_passphrase(password))
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return keystore.get_seed(password)
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def setup_dialog(self, window):
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self.wallet = window.parent().wallet
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self.update_wallet_name(self.wallet)
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self.user_input = False
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self.d = WindowModalDialog(window, "Setup Dialog")
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self.d.setMinimumWidth(500)
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self.d.setMinimumHeight(210)
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self.d.setMaximumHeight(320)
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self.d.setContentsMargins(11,11,1,1)
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self.hbox = QHBoxLayout(self.d)
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vbox = QVBoxLayout()
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logo = QLabel()
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self.hbox.addWidget(logo)
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logo.setPixmap(QPixmap(':icons/revealer.png'))
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logo.setAlignment(Qt.AlignLeft)
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self.hbox.addSpacing(16)
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vbox.addWidget(WWLabel("<b>"+_("Revealer Secret Backup Plugin")+"</b><br>"
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+_("To encrypt your backup, first we need to load some noise.")+"<br/>"))
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vbox.addSpacing(7)
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bcreate = QPushButton(_("Create a new Revealer"))
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bcreate.setMaximumWidth(181)
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bcreate.setDefault(True)
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vbox.addWidget(bcreate, Qt.AlignCenter)
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self.load_noise = ScanQRTextEdit()
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self.load_noise.setTabChangesFocus(True)
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self.load_noise.textChanged.connect(self.on_edit)
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self.load_noise.setMaximumHeight(33)
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self.hbox.addLayout(vbox)
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vbox.addWidget(WWLabel(_("or type a existing revealer code below and click 'next':")))
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vbox.addWidget(self.load_noise)
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vbox.addSpacing(3)
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self.next_button = QPushButton(_("Next"), self.d)
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self.next_button.setEnabled(False)
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vbox.addLayout(Buttons(self.next_button))
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self.next_button.clicked.connect(self.d.close)
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self.next_button.clicked.connect(partial(self.cypherseed_dialog, window))
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vbox.addWidget(
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QLabel("<b>" + _("Warning") + "</b>: " + _("Each revealer should be used only once.")
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+"<br>"+_("more information at <a href=\"https://revealer.cc/faq\">https://revealer.cc/faq</a>")))
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def mk_digital():
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try:
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self.make_digital(self.d)
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except Exception:
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traceback.print_exc(file=sys.stdout)
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else:
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self.cypherseed_dialog(window)
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bcreate.clicked.connect(mk_digital)
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return bool(self.d.exec_())
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def get_noise(self):
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text = self.load_noise.text()
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return ''.join(text.split()).lower()
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def on_edit(self):
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txt = self.get_noise()
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versioned_seed = self.get_versioned_seed_from_user_input(txt)
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if versioned_seed:
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self.versioned_seed = versioned_seed
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self.user_input = bool(versioned_seed)
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self.next_button.setEnabled(bool(versioned_seed))
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def make_digital(self, dialog):
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self.make_rawnoise(True)
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self.bdone(dialog)
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self.d.close()
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def get_path_to_revealer_file(self, ext: str= '') -> str:
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version = self.versioned_seed.version
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code_id = self.versioned_seed.checksum
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filename = self.filename_prefix + version + "_" + code_id + ext
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path = os.path.join(self.base_dir, filename)
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return os.path.normcase(os.path.abspath(path))
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def get_path_to_calibration_file(self):
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path = os.path.join(self.base_dir, 'calibration.pdf')
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return os.path.normcase(os.path.abspath(path))
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def bcrypt(self, dialog):
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self.rawnoise = False
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version = self.versioned_seed.version
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code_id = self.versioned_seed.checksum
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dialog.show_message(''.join([_("{} encrypted for Revealer {}_{} saved as PNG and PDF at: ").format(self.was, version, code_id),
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"<b>", self.get_path_to_revealer_file(), "</b>", "<br/>",
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"<br/>", "<b>", _("Always check you backups.")]))
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dialog.close()
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def ext_warning(self, dialog):
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dialog.show_message(''.join(["<b>",_("Warning"), ": </b>",
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_("your seed extension will <b>not</b> be included in the encrypted backup.")]))
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dialog.close()
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def bdone(self, dialog):
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version = self.versioned_seed.version
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code_id = self.versioned_seed.checksum
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dialog.show_message(''.join([_("Digital Revealer ({}_{}) saved as PNG and PDF at:").format(version, code_id),
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"<br/>","<b>", self.get_path_to_revealer_file(), '</b>']))
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def customtxt_limits(self):
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txt = self.text.text()
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self.max_chars.setVisible(False)
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self.char_count.setText(f"({len(txt)}/{self.MAX_PLAINTEXT_LEN})")
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if len(txt)>0:
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self.ctext.setEnabled(True)
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if len(txt) > self.MAX_PLAINTEXT_LEN:
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self.text.setPlainText(txt[:self.MAX_PLAINTEXT_LEN])
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self.max_chars.setVisible(True)
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def t(self):
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self.txt = self.text.text()
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self.seed_img(is_seed=False)
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def warn_old_revealer(self):
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if self.versioned_seed.version == '0':
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link = "https://revealer.cc/revealer-warning-and-upgrade/"
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self.d.show_warning(("<b>{warning}: </b>{ver0}<br>"
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"{url}<br>"
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"{risk}")
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.format(warning=_("Warning"),
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ver0=_("Revealers starting with 0 are not secure due to a vulnerability."),
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url=_("More info at: {}").format(f'<a href="{link}">{link}</a>'),
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risk=_("Proceed at your own risk.")))
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def cypherseed_dialog(self, window):
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self.warn_old_revealer()
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d = WindowModalDialog(window, "Encryption Dialog")
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d.setMinimumWidth(500)
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d.setMinimumHeight(210)
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d.setMaximumHeight(450)
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d.setContentsMargins(11, 11, 1, 1)
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self.c_dialog = d
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hbox = QHBoxLayout(d)
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self.vbox = QVBoxLayout()
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logo = QLabel()
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hbox.addWidget(logo)
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logo.setPixmap(QPixmap(':icons/revealer.png'))
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logo.setAlignment(Qt.AlignLeft)
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hbox.addSpacing(16)
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self.vbox.addWidget(WWLabel("<b>" + _("Revealer Secret Backup Plugin") + "</b><br>"
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+ _("Ready to encrypt for revealer {}")
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.format(self.versioned_seed.version+'_'+self.versioned_seed.checksum)))
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self.vbox.addSpacing(11)
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hbox.addLayout(self.vbox)
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grid = QGridLayout()
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self.vbox.addLayout(grid)
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cprint = QPushButton(_("Encrypt {}'s seed").format(self.wallet_name))
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cprint.setMaximumWidth(250)
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cprint.clicked.connect(partial(self.seed_img, True))
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self.vbox.addWidget(cprint)
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self.vbox.addSpacing(1)
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self.vbox.addWidget(WWLabel("<b>"+_("OR")+"</b> "+_("type a custom alphanumerical secret below:")))
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self.text = ScanQRTextEdit()
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self.text.setTabChangesFocus(True)
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self.text.setMaximumHeight(70)
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self.text.textChanged.connect(self.customtxt_limits)
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self.vbox.addWidget(self.text)
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self.char_count = WWLabel("")
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self.char_count.setAlignment(Qt.AlignRight)
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self.vbox.addWidget(self.char_count)
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self.max_chars = WWLabel("<font color='red'>"
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+ _("This version supports a maximum of {} characters.").format(self.MAX_PLAINTEXT_LEN)
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+"</font>")
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self.vbox.addWidget(self.max_chars)
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self.max_chars.setVisible(False)
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self.ctext = QPushButton(_("Encrypt custom secret"))
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self.ctext.clicked.connect(self.t)
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self.vbox.addWidget(self.ctext)
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self.ctext.setEnabled(False)
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self.vbox.addSpacing(11)
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self.vbox.addLayout(Buttons(CloseButton(d)))
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return bool(d.exec_())
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def update_wallet_name(self, name):
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self.wallet_name = str(name)
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def seed_img(self, is_seed = True):
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if is_seed:
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try:
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cseed = self.get_seed()
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except UserCancelled:
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return
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except InvalidPassword as e:
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self.d.show_error(str(e))
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return
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if not cseed:
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self.d.show_message(_("This wallet has no seed"))
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return
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txt = cseed.upper()
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else:
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txt = self.txt.upper()
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img = QImage(self.SIZE[0], self.SIZE[1], QImage.Format_Mono)
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bitmap = QBitmap.fromImage(img, Qt.MonoOnly)
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bitmap.fill(Qt.white)
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painter = QPainter()
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painter.begin(bitmap)
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QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'SourceSansPro-Bold.otf') )
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if len(txt) < 102 :
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fontsize = 15
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linespace = 15
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max_letters = 17
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max_lines = 6
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max_words = 3
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else:
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fontsize = 12
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linespace = 10
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max_letters = 21
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max_lines = 9
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max_words = int(max_letters/4)
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font = QFont('Source Sans Pro', fontsize, QFont.Bold)
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font.setLetterSpacing(QFont.PercentageSpacing, 100)
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font.setPixelSize(fontsize)
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painter.setFont(font)
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seed_array = txt.split(' ')
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for n in range(max_lines):
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nwords = max_words
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temp_seed = seed_array[:nwords]
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while len(' '.join(map(str, temp_seed))) > max_letters:
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nwords = nwords - 1
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temp_seed = seed_array[:nwords]
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painter.drawText(QRect(0, linespace*n , self.SIZE[0], self.SIZE[1]), Qt.AlignHCenter, ' '.join(map(str, temp_seed)))
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del seed_array[:nwords]
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painter.end()
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img = bitmap.toImage()
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if (self.rawnoise == False):
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self.make_rawnoise()
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self.make_cypherseed(img, self.rawnoise, False, is_seed)
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return img
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def make_rawnoise(self, create_revealer=False):
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if not self.user_input:
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self.versioned_seed = self.gen_random_versioned_seed()
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assert self.versioned_seed
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w, h = self.SIZE
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rawnoise = QImage(w, h, QImage.Format_Mono)
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noise_map = self.get_noise_map(self.versioned_seed)
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for (x,y), pixel in noise_map.items():
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rawnoise.setPixel(x, y, pixel)
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self.rawnoise = rawnoise
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if create_revealer:
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self.make_revealer()
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def make_calnoise(self):
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random.seed(self.calibration_noise)
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w, h = self.SIZE
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rawnoise = QImage(w, h, QImage.Format_Mono)
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for x in range(w):
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for y in range(h):
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rawnoise.setPixel(x,y,random.randint(0, 1))
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self.calnoise = self.pixelcode_2x2(rawnoise)
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def make_revealer(self):
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revealer = self.pixelcode_2x2(self.rawnoise)
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revealer.invertPixels()
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revealer = QBitmap.fromImage(revealer)
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revealer = revealer.scaled(self.f_size, Qt.KeepAspectRatio)
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revealer = self.overlay_marks(revealer)
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self.filename_prefix = 'revealer_'
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revealer.save(self.get_path_to_revealer_file('.png'))
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self.toPdf(QImage(revealer))
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QDesktopServices.openUrl(QUrl.fromLocalFile(self.get_path_to_revealer_file('.pdf')))
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def make_cypherseed(self, img, rawnoise, calibration=False, is_seed = True):
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img = img.convertToFormat(QImage.Format_Mono)
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p = QPainter()
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p.begin(img)
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p.setCompositionMode(26) #xor
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p.drawImage(0, 0, rawnoise)
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p.end()
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cypherseed = self.pixelcode_2x2(img)
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cypherseed = QBitmap.fromImage(cypherseed)
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cypherseed = cypherseed.scaled(self.f_size, Qt.KeepAspectRatio)
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cypherseed = self.overlay_marks(cypherseed, True, calibration)
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if not is_seed:
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self.filename_prefix = 'custom_secret_'
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self.was = _('Custom secret')
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else:
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self.filename_prefix = self.wallet_name + '_seed_'
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self.was = self.wallet_name + ' ' + _('seed')
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if self.extension:
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self.ext_warning(self.c_dialog)
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if not calibration:
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self.toPdf(QImage(cypherseed))
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QDesktopServices.openUrl(QUrl.fromLocalFile(self.get_path_to_revealer_file('.pdf')))
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cypherseed.save(self.get_path_to_revealer_file('.png'))
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self.bcrypt(self.c_dialog)
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return cypherseed
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def calibration(self):
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img = QImage(self.SIZE[0], self.SIZE[1], QImage.Format_Mono)
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bitmap = QBitmap.fromImage(img, Qt.MonoOnly)
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bitmap.fill(Qt.black)
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self.make_calnoise()
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img = self.overlay_marks(self.calnoise.scaledToHeight(self.f_size.height()), False, True)
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self.calibration_pdf(img)
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QDesktopServices.openUrl(QUrl.fromLocalFile(self.get_path_to_calibration_file()))
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return img
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def toPdf(self, image):
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printer = QPrinter()
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printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter)
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printer.setResolution(600)
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printer.setOutputFormat(QPrinter.PdfFormat)
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printer.setOutputFileName(self.get_path_to_revealer_file('.pdf'))
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printer.setPageMargins(0,0,0,0,6)
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painter = QPainter()
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painter.begin(printer)
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delta_h = round(image.width()/self.abstand_v)
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delta_v = round(image.height()/self.abstand_h)
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size_h = 2028+((int(self.calibration_h)*2028/(2028-(delta_h*2)+int(self.calibration_h)))/2)
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size_v = 1284+((int(self.calibration_v)*1284/(1284-(delta_v*2)+int(self.calibration_v)))/2)
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image = image.scaled(size_h, size_v)
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painter.drawImage(553,533, image)
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wpath = QPainterPath()
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wpath.addRoundedRect(QRectF(553,533, size_h, size_v), 19, 19)
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painter.setPen(QPen(Qt.black, 1))
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painter.drawPath(wpath)
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painter.end()
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def calibration_pdf(self, image):
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printer = QPrinter()
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printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter)
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printer.setResolution(600)
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printer.setOutputFormat(QPrinter.PdfFormat)
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printer.setOutputFileName(self.get_path_to_calibration_file())
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printer.setPageMargins(0,0,0,0,6)
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painter = QPainter()
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painter.begin(printer)
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painter.drawImage(553,533, image)
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font = QFont('Source Sans Pro', 10, QFont.Bold)
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painter.setFont(font)
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painter.drawText(254,277, _("Calibration sheet"))
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font = QFont('Source Sans Pro', 7, QFont.Bold)
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painter.setFont(font)
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painter.drawText(600,2077, _("Instructions:"))
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font = QFont('Source Sans Pro', 7, QFont.Normal)
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painter.setFont(font)
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painter.drawText(700, 2177, _("1. Place this paper on a flat and well iluminated surface."))
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painter.drawText(700, 2277, _("2. Align your Revealer borderlines to the dashed lines on the top and left."))
|
|
painter.drawText(700, 2377, _("3. Press slightly the Revealer against the paper and read the numbers that best "
|
|
"match on the opposite sides. "))
|
|
painter.drawText(700, 2477, _("4. Type the numbers in the software"))
|
|
painter.end()
|
|
|
|
def pixelcode_2x2(self, img):
|
|
result = QImage(img.width()*2, img.height()*2, QImage.Format_ARGB32 )
|
|
white = qRgba(255,255,255,0)
|
|
black = qRgba(0,0,0,255)
|
|
|
|
for x in range(img.width()):
|
|
for y in range(img.height()):
|
|
c = img.pixel(QPoint(x,y))
|
|
colors = QColor(c).getRgbF()
|
|
if colors[0]:
|
|
result.setPixel(x*2+1,y*2+1, black)
|
|
result.setPixel(x*2,y*2+1, white)
|
|
result.setPixel(x*2+1,y*2, white)
|
|
result.setPixel(x*2, y*2, black)
|
|
|
|
else:
|
|
result.setPixel(x*2+1,y*2+1, white)
|
|
result.setPixel(x*2,y*2+1, black)
|
|
result.setPixel(x*2+1,y*2, black)
|
|
result.setPixel(x*2, y*2, white)
|
|
return result
|
|
|
|
def overlay_marks(self, img, is_cseed=False, calibration_sheet=False):
|
|
border_color = Qt.white
|
|
base_img = QImage(self.f_size.width(),self.f_size.height(), QImage.Format_ARGB32)
|
|
base_img.fill(border_color)
|
|
img = QImage(img)
|
|
|
|
painter = QPainter()
|
|
painter.begin(base_img)
|
|
|
|
total_distance_h = round(base_img.width() / self.abstand_v)
|
|
dist_v = round(total_distance_h) / 2
|
|
dist_h = round(total_distance_h) / 2
|
|
|
|
img = img.scaledToWidth(base_img.width() - (2 * (total_distance_h)))
|
|
painter.drawImage(total_distance_h,
|
|
total_distance_h,
|
|
img)
|
|
|
|
#frame around image
|
|
pen = QPen(Qt.black, 2)
|
|
painter.setPen(pen)
|
|
|
|
#horz
|
|
painter.drawLine(0, total_distance_h, base_img.width(), total_distance_h)
|
|
painter.drawLine(0, base_img.height()-(total_distance_h), base_img.width(), base_img.height()-(total_distance_h))
|
|
#vert
|
|
painter.drawLine(total_distance_h, 0, total_distance_h, base_img.height())
|
|
painter.drawLine(base_img.width()-(total_distance_h), 0, base_img.width()-(total_distance_h), base_img.height())
|
|
|
|
#border around img
|
|
border_thick = 6
|
|
Rpath = QPainterPath()
|
|
Rpath.addRect(QRectF((total_distance_h)+(border_thick/2),
|
|
(total_distance_h)+(border_thick/2),
|
|
base_img.width()-((total_distance_h)*2)-((border_thick)-1),
|
|
(base_img.height()-((total_distance_h))*2)-((border_thick)-1)))
|
|
pen = QPen(Qt.black, border_thick)
|
|
pen.setJoinStyle (Qt.MiterJoin)
|
|
|
|
painter.setPen(pen)
|
|
painter.drawPath(Rpath)
|
|
|
|
Bpath = QPainterPath()
|
|
Bpath.addRect(QRectF((total_distance_h), (total_distance_h),
|
|
base_img.width()-((total_distance_h)*2), (base_img.height()-((total_distance_h))*2)))
|
|
pen = QPen(Qt.black, 1)
|
|
painter.setPen(pen)
|
|
painter.drawPath(Bpath)
|
|
|
|
pen = QPen(Qt.black, 1)
|
|
painter.setPen(pen)
|
|
painter.drawLine(0, base_img.height()/2, total_distance_h, base_img.height()/2)
|
|
painter.drawLine(base_img.width()/2, 0, base_img.width()/2, total_distance_h)
|
|
|
|
painter.drawLine(base_img.width()-total_distance_h, base_img.height()/2, base_img.width(), base_img.height()/2)
|
|
painter.drawLine(base_img.width()/2, base_img.height(), base_img.width()/2, base_img.height() - total_distance_h)
|
|
|
|
#print code
|
|
f_size = 37
|
|
QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'DejaVuSansMono-Bold.ttf'))
|
|
font = QFont("DejaVu Sans Mono", f_size-11, QFont.Bold)
|
|
font.setPixelSize(35)
|
|
painter.setFont(font)
|
|
|
|
if not calibration_sheet:
|
|
if is_cseed: #its a secret
|
|
painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine))
|
|
painter.drawLine(0, dist_v, base_img.width(), dist_v)
|
|
painter.drawLine(dist_h, 0, dist_h, base_img.height())
|
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
|
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
|
|
|
|
painter.drawImage(((total_distance_h))+11, ((total_distance_h))+11,
|
|
QImage(':icons/electrumb.png').scaledToWidth(2.1*(total_distance_h), Qt.SmoothTransformation))
|
|
|
|
painter.setPen(QPen(Qt.white, border_thick*8))
|
|
painter.drawLine(base_img.width()-((total_distance_h))-(border_thick*8)/2-(border_thick/2)-2,
|
|
(base_img.height()-((total_distance_h)))-((border_thick*8)/2)-(border_thick/2)-2,
|
|
base_img.width()-((total_distance_h))-(border_thick*8)/2-(border_thick/2)-2 - 77,
|
|
(base_img.height()-((total_distance_h)))-((border_thick*8)/2)-(border_thick/2)-2)
|
|
painter.setPen(QColor(0,0,0,255))
|
|
painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick - 11,
|
|
base_img.height()-total_distance_h - border_thick), Qt.AlignRight,
|
|
self.versioned_seed.version + '_'+self.versioned_seed.checksum)
|
|
painter.end()
|
|
|
|
else: # revealer
|
|
|
|
painter.setPen(QPen(border_color, 17))
|
|
painter.drawLine(0, dist_v, base_img.width(), dist_v)
|
|
painter.drawLine(dist_h, 0, dist_h, base_img.height())
|
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
|
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
|
|
|
|
painter.setPen(QPen(Qt.black, 2))
|
|
painter.drawLine(0, dist_v, base_img.width(), dist_v)
|
|
painter.drawLine(dist_h, 0, dist_h, base_img.height())
|
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
|
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
|
|
logo = QImage(':icons/revealer_c.png').scaledToWidth(1.3*(total_distance_h))
|
|
painter.drawImage((total_distance_h)+ (border_thick), ((total_distance_h))+ (border_thick), logo, Qt.SmoothTransformation)
|
|
|
|
#frame around logo
|
|
painter.setPen(QPen(Qt.black, border_thick))
|
|
painter.drawLine(total_distance_h+border_thick, total_distance_h+logo.height()+3*(border_thick/2),
|
|
total_distance_h+logo.width()+border_thick, total_distance_h+logo.height()+3*(border_thick/2))
|
|
painter.drawLine(logo.width()+total_distance_h+3*(border_thick/2), total_distance_h+(border_thick),
|
|
total_distance_h+logo.width()+3*(border_thick/2), total_distance_h+logo.height()+(border_thick))
|
|
|
|
#frame around code/qr
|
|
qr_size = 179
|
|
|
|
painter.drawLine((base_img.width()-((total_distance_h))-(border_thick/2)-2)-qr_size,
|
|
(base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2,
|
|
(base_img.width()/2+(total_distance_h/2)-border_thick-(border_thick*8)/2)-qr_size,
|
|
(base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2)
|
|
|
|
painter.drawLine((base_img.width()/2+(total_distance_h/2)-border_thick-(border_thick*8)/2)-qr_size,
|
|
(base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2,
|
|
base_img.width()/2 + (total_distance_h/2)-border_thick-(border_thick*8)/2-qr_size,
|
|
((base_img.height()-((total_distance_h)))-(border_thick/2)-2))
|
|
|
|
painter.setPen(QPen(Qt.white, border_thick * 8))
|
|
painter.drawLine(
|
|
base_img.width() - ((total_distance_h)) - (border_thick * 8) / 2 - (border_thick / 2) - 2,
|
|
(base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2,
|
|
base_img.width() / 2 + (total_distance_h / 2) - border_thick - qr_size,
|
|
(base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2)
|
|
|
|
painter.setPen(QColor(0,0,0,255))
|
|
painter.drawText(QRect(((base_img.width()/2) +21)-qr_size, base_img.height()-107,
|
|
base_img.width()-total_distance_h - border_thick -93,
|
|
base_img.height()-total_distance_h - border_thick), Qt.AlignLeft, self.versioned_seed.get_ui_string_version_plus_seed())
|
|
painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick -3 -qr_size,
|
|
base_img.height()-total_distance_h - border_thick), Qt.AlignRight, self.versioned_seed.checksum)
|
|
|
|
# draw qr code
|
|
qr_qt = self.paintQR(self.versioned_seed.get_ui_string_version_plus_seed()
|
|
+ self.versioned_seed.checksum)
|
|
target = QRectF(base_img.width()-65-qr_size,
|
|
base_img.height()-65-qr_size,
|
|
qr_size, qr_size )
|
|
painter.drawImage(target, qr_qt)
|
|
painter.setPen(QPen(Qt.black, 4))
|
|
painter.drawLine(base_img.width()-65-qr_size,
|
|
base_img.height()-65-qr_size,
|
|
base_img.width() - 65 - qr_size,
|
|
(base_img.height() - ((total_distance_h))) - ((border_thick * 8)) - (border_thick / 2) - 4
|
|
)
|
|
painter.drawLine(base_img.width()-65-qr_size,
|
|
base_img.height()-65-qr_size,
|
|
base_img.width() - 65,
|
|
base_img.height()-65-qr_size
|
|
)
|
|
painter.end()
|
|
|
|
else: # calibration only
|
|
painter.end()
|
|
cal_img = QImage(self.f_size.width() + 100, self.f_size.height() + 100,
|
|
QImage.Format_ARGB32)
|
|
cal_img.fill(Qt.white)
|
|
|
|
cal_painter = QPainter()
|
|
cal_painter.begin(cal_img)
|
|
cal_painter.drawImage(0,0, base_img)
|
|
|
|
#black lines in the middle of border top left only
|
|
cal_painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine))
|
|
cal_painter.drawLine(0, dist_v, base_img.width(), dist_v)
|
|
cal_painter.drawLine(dist_h, 0, dist_h, base_img.height())
|
|
|
|
pen = QPen(Qt.black, 2, Qt.DashDotDotLine)
|
|
cal_painter.setPen(pen)
|
|
n=15
|
|
|
|
cal_painter.setFont(QFont("DejaVu Sans Mono", 21, QFont.Bold))
|
|
for x in range(-n,n):
|
|
#lines on bottom (vertical calibration)
|
|
cal_painter.drawLine((((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)-13,
|
|
x+2+base_img.height()-(dist_v),
|
|
(((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)+13,
|
|
x+2+base_img.height()-(dist_v))
|
|
|
|
num_pos = 9
|
|
if x > 9 : num_pos = 17
|
|
if x < 0 : num_pos = 20
|
|
if x < -9: num_pos = 27
|
|
|
|
cal_painter.drawText((((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)-num_pos,
|
|
50+base_img.height()-(dist_v),
|
|
str(x))
|
|
|
|
#lines on the right (horizontal calibrations)
|
|
|
|
cal_painter.drawLine(x+2+(base_img.width()-(dist_h)),
|
|
((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()/2)-13,
|
|
x+2+(base_img.width()-(dist_h)),
|
|
((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()/2)+13)
|
|
|
|
|
|
cal_painter.drawText(30+(base_img.width()-(dist_h)),
|
|
((base_img.height()/(2*n)) *(x))+ (base_img.height()/2)+13, str(x))
|
|
|
|
cal_painter.end()
|
|
base_img = cal_img
|
|
|
|
return base_img
|
|
|
|
def paintQR(self, data):
|
|
if not data:
|
|
return
|
|
qr = qrcode.QRCode()
|
|
qr.add_data(data)
|
|
matrix = qr.get_matrix()
|
|
k = len(matrix)
|
|
border_color = Qt.white
|
|
base_img = QImage(k * 5, k * 5, QImage.Format_ARGB32)
|
|
base_img.fill(border_color)
|
|
qrpainter = QPainter()
|
|
qrpainter.begin(base_img)
|
|
boxsize = 5
|
|
size = k * boxsize
|
|
left = (base_img.width() - size)/2
|
|
top = (base_img.height() - size)/2
|
|
qrpainter.setBrush(Qt.black)
|
|
qrpainter.setPen(Qt.black)
|
|
|
|
for r in range(k):
|
|
for c in range(k):
|
|
if matrix[r][c]:
|
|
qrpainter.drawRect(left+c*boxsize, top+r*boxsize, boxsize - 1, boxsize - 1)
|
|
qrpainter.end()
|
|
return base_img
|
|
|
|
def calibration_dialog(self, window):
|
|
d = WindowModalDialog(window, _("Revealer - Printer calibration settings"))
|
|
|
|
d.setMinimumSize(100, 200)
|
|
|
|
vbox = QVBoxLayout(d)
|
|
vbox.addWidget(QLabel(''.join(["<br/>", _("If you have an old printer, or want optimal precision"),"<br/>",
|
|
_("print the calibration pdf and follow the instructions "), "<br/>","<br/>",
|
|
])))
|
|
self.calibration_h = self.config.get('calibration_h')
|
|
self.calibration_v = self.config.get('calibration_v')
|
|
cprint = QPushButton(_("Open calibration pdf"))
|
|
cprint.clicked.connect(self.calibration)
|
|
vbox.addWidget(cprint)
|
|
|
|
vbox.addWidget(QLabel(_('Calibration values:')))
|
|
grid = QGridLayout()
|
|
vbox.addLayout(grid)
|
|
grid.addWidget(QLabel(_('Right side')), 0, 0)
|
|
horizontal = QLineEdit()
|
|
horizontal.setText(str(self.calibration_h))
|
|
grid.addWidget(horizontal, 0, 1)
|
|
|
|
grid.addWidget(QLabel(_('Bottom')), 1, 0)
|
|
vertical = QLineEdit()
|
|
vertical.setText(str(self.calibration_v))
|
|
grid.addWidget(vertical, 1, 1)
|
|
|
|
vbox.addStretch()
|
|
vbox.addSpacing(13)
|
|
vbox.addLayout(Buttons(CloseButton(d), OkButton(d)))
|
|
|
|
if not d.exec_():
|
|
return
|
|
|
|
self.calibration_h = int(Decimal(horizontal.text()))
|
|
self.config.set_key('calibration_h', self.calibration_h)
|
|
self.calibration_v = int(Decimal(vertical.text()))
|
|
self.config.set_key('calibration_v', self.calibration_v)
|
|
|
|
|