def _updatePrinter(self):
"""Resize :attr:`page`, :attr:`scene` and :attr:`view` to :attr:`printer`
width and height."""
printer = self.printer
assert printer is not None, \
"_updatePrinter should not be called unless a printer is defined"
if self.scene is None:
self.scene = qt.QGraphicsScene()
self.scene.setBackgroundBrush(qt.QColor(qt.Qt.lightGray))
self.scene.setSceneRect(qt.QRectF(0, 0, printer.width(), printer.height()))
if self.page is None:
self.page = qt.QGraphicsRectItem(0, 0, printer.width(), printer.height())
self.page.setBrush(qt.QColor(qt.Qt.white))
self.scene.addItem(self.page)
self.scene.setSceneRect(qt.QRectF(0, 0, printer.width(), printer.height()))
self.page.setPos(qt.QPointF(0.0, 0.0))
self.page.setRect(qt.QRectF(0, 0, printer.width(), printer.height()))
if self.view is None:
self.view = qt.QGraphicsView(self.scene)
self.mainLayout.addWidget(self.view)
self._buildStatusBar()
# self.view.scale(1./self._viewScale, 1./self._viewScale)
self.view.fitInView(self.page.rect(), qt.Qt.KeepAspectRatio)
self._viewScale = 1.00
self._updateTargetLabel()
def _updatePrinter(self):
"""Resize :attr:`page`, :attr:`scene` and :attr:`view` to :attr:`printer`
width and height."""
printer = self.printer
assert printer is not None, \
"_updatePrinter should not be called unless a printer is defined"
if self.scene is None:
self.scene = qt.QGraphicsScene()
self.scene.setBackgroundBrush(qt.QColor(qt.Qt.lightGray))
self.scene.setSceneRect(qt.QRectF(0, 0, printer.width(), printer.height()))
if self.page is None:
self.page = qt.QGraphicsRectItem(0, 0, printer.width(), printer.height())
self.page.setBrush(qt.QColor(qt.Qt.white))
self.scene.addItem(self.page)
self.scene.setSceneRect(qt.QRectF(0, 0, printer.width(), printer.height()))
self.page.setPos(qt.QPointF(0.0, 0.0))
self.page.setRect(qt.QRectF(0, 0, printer.width(), printer.height()))
if self.view is None:
self.view = qt.QGraphicsView(self.scene)
self.mainLayout.addWidget(self.view)
self._buildStatusBar()
# self.view.scale(1./self._viewScale, 1./self._viewScale)
self.view.fitInView(self.page.rect(), qt.Qt.KeepAspectRatio)
self._viewScale = 1.00
self._updateTargetLabel()
def _print(self):
"""Do the printing, hide the print preview dialog,
set :attr:`_toBeCleared` flag to True to trigger clearing the
next time the dialog is shown.
If the printer is not setup, do it first."""
printer = self.printer
painter = qt.QPainter()
if not painter.begin(printer) or printer is None:
_logger.error("Cannot initialize printer")
return
try:
self.scene.render(painter, qt.QRectF(0, 0, printer.width(), printer.height()),
qt.QRectF(self.page.rect().x(), self.page.rect().y(),
self.page.rect().width(), self.page.rect().height()),
qt.Qt.KeepAspectRatio)
painter.end()
self.hide()
self.accept()
self._toBeCleared = True
except: # FIXME
painter.end()
qt.QMessageBox.critical(self, "ERROR",
'Printing problem:\n %s' % sys.exc_info()[1])
_logger.error('printing problem:\n %s' % sys.exc_info()[1])
return
def _print(self):
"""Do the printing, hide the print preview dialog,
set :attr:`_toBeCleared` flag to True to trigger clearing the
next time the dialog is shown.
If the printer is not setup, do it first."""
printer = self.printer
painter = qt.QPainter()
if not painter.begin(printer) or printer is None:
_logger.error("Cannot initialize printer")
return
try:
self.scene.render(painter, qt.QRectF(0, 0, printer.width(), printer.height()),
qt.QRectF(self.page.rect().x(), self.page.rect().y(),
self.page.rect().width(), self.page.rect().height()),
qt.Qt.KeepAspectRatio)
painter.end()
self.hide()
self.accept()
self._toBeCleared = True
except: # FIXME
painter.end()
qt.QMessageBox.critical(self, "ERROR",
'Printing problem:\n %s' % sys.exc_info()[1])
_logger.error('printing problem:\n %s' % sys.exc_info()[1])
return