def setPaintAttribute(self, attribute, on=True):
if bool(self.__data.paintAttributes & attribute) == on:
return
if on:
self.__data.paintAttributes |= attribute
else:
self.__data.paintAttributes &= ~attribute
if attribute == self.BackingStore:
if on:
if self.__data.backingStore is None:
self.__data.backingStore = QPixmap()
if self.isVisible():
if QT_VERSION >= 0x050000:
self.__data.backingStore = self.grab(self.rect())
else:
if PYQT5:
pm = QPixmap.grabWidget(self, self.rect())
else:
pm = self.grab(self.rect())
self.__data.backingStore = pm
else:
self.__data.backingStore = None
elif attribute == self.Opaque:
if on:
self.setAttribute(Qt.WA_OpaquePaintEvent, True)
elif attribute in (self.HackStyledBackground, self.ImmediatePaint):
pass
def setPaintAttribute(self, attribute, on=True):
if bool(self.__data.paintAttributes & attribute) == on:
return
if on:
self.__data.paintAttributes |= attribute
else:
self.__data.paintAttributes &= ~attribute
if attribute == self.BackingStore:
if on:
if self.__data.backingStore is None:
self.__data.backingStore = QPixmap()
if self.isVisible():
if QT_VERSION >= 0x050000:
self.__data.backingStore = self.grab(self.rect())
else:
if PYQT5:
pm = QPixmap.grabWidget(self, self.rect())
else:
pm = self.grab(self.rect())
self.__data.backingStore = pm
else:
self.__data.backingStore = None
elif attribute == self.Opaque:
if on:
self.setAttribute(Qt.WA_OpaquePaintEvent, True)
elif attribute in (self.HackStyledBackground, self.ImmediatePaint):
pass
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
if PYQT5:
pm = self.grab()
else:
pm = QPixmap.grabWidget(self)
color = QColor()
color.setRgb(pm.toImage().pixel(event.x(), event.y()))
self.colorSelected.emit(color)
event.accept()
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
if PYQT5:
pm = self.grab()
else:
pm = QPixmap.grabWidget(self)
color = QColor()
color.setRgb(pm.toImage().pixel(event.x(), event.y()))
self.SIG_COLOR_SELECTED.emit(color)
event.accept()
def setPaintAttribute(self, attribute, on=True):
"""
Changing the paint attributes
Paint attributes:
* `QwtPlotCanvas.BackingStore`
* `QwtPlotCanvas.Opaque`
* `QwtPlotCanvas.HackStyledBackground`
* `QwtPlotCanvas.ImmediatePaint`
:param int attribute: Paint attribute
:param bool on: On/Off
.. seealso::
:py:meth:`testPaintAttribute()`, :py:meth:`backingStore()`
"""
if bool(self.__data.paintAttributes & attribute) == on:
return
if on:
self.__data.paintAttributes |= attribute
else:
self.__data.paintAttributes &= ~attribute
if attribute == self.BackingStore:
if on:
if self.__data.backingStore is None:
self.__data.backingStore = QPixmap()
if self.isVisible():
if QT_VERSION >= 0x050000:
self.__data.backingStore = self.grab(self.rect())
else:
if PYQT5:
pm = QPixmap.grabWidget(self, self.rect())
else:
pm = self.grab(self.rect())
self.__data.backingStore = pm
else:
self.__data.backingStore = None
elif attribute == self.Opaque:
if on:
self.setAttribute(Qt.WA_OpaquePaintEvent, True)
elif attribute in (self.HackStyledBackground, self.ImmediatePaint):
pass
def setPaintAttribute(self, attribute, on=True):
"""
Changing the paint attributes
Paint attributes:
* `QwtPlotCanvas.BackingStore`
* `QwtPlotCanvas.Opaque`
* `QwtPlotCanvas.HackStyledBackground`
* `QwtPlotCanvas.ImmediatePaint`
:param int attribute: Paint attribute
:param bool on: On/Off
.. seealso::
:py:meth:`testPaintAttribute()`, :py:meth:`backingStore()`
"""
if bool(self.__data.paintAttributes & attribute) == on:
return
if on:
self.__data.paintAttributes |= attribute
else:
self.__data.paintAttributes &= ~attribute
if attribute == self.BackingStore:
if on:
if self.__data.backingStore is None:
self.__data.backingStore = QPixmap()
if self.isVisible():
if QT_VERSION >= 0x050000:
self.__data.backingStore = self.grab(self.rect())
else:
if PYQT5:
pm = QPixmap.grabWidget(self, self.rect())
else:
pm = self.grab(self.rect())
self.__data.backingStore = pm
else:
self.__data.backingStore = None
elif attribute == self.Opaque:
if on:
self.setAttribute(Qt.WA_OpaquePaintEvent, True)
elif attribute in (self.HackStyledBackground, self.ImmediatePaint):
pass
def _save_display(self, chartplot):
self._png_number += 1
# put together filename components
name_components = []
if self._grab_name:
name_components.append(self._grab_name)
if self._menu.isVellsControlVisible():
name_components.append(str(self._menu.vells_component))
if self._menu.isComplexControlVisible():
name_components.append(
str(self._menu.ComplexComponentLabels[
self._menu.complex_component]))
if len(self._ChartPlot) > 1:
name_components.append(chartplot.dataLabel())
name_components.append(str(self._png_number))
save_file = "_".join(name_components).replace(' ', '_') + ".png"
try:
pm = QPixmap.grabWidget(chartplot)
pm.save(save_file, "PNG")
return save_file, None
except:
traceback.print_exc()
print('failed to grab or save pixmap')
return save_file, True
