def paintEvent(self, event):
self._painter = QPainter()
self._painter.begin(self)
self._painter.fillRect(0, 0, self.width(), self.height(), self._bgColor)
os.environ["GKSconid"] = getGKSConnectionId(self, self._painter)
gr.clearws()
self.draw()
gr.updatews()
self._painter.end()
def paintEvent(self, event):
self._painter = QPainter()
self._painter.begin(self)
self._painter.fillRect(0, 0, self.width(), self.height(), self._bgColor)
os.environ["GKSconid"] = getGKSConnectionId(self, self._painter)
gr.clearws()
self.draw()
gr.updatews()
self._painter.end()
class GRWidget(QWidget):
def __init__(self, *args, **kwargs):
super(GRWidget, self).__init__(*args, **kwargs)
self._sizex, self._sizey = 1., 1.
self._dwidth, self._dheight = self.width(), self.height()
self._mwidth = self.width() * .0254 / self.logicalDpiX()
self._mheight = self.height() * .0254 / self.logicalDpiY()
self._keepRatio = False
self._bgColor = QtCore.Qt.white
os.environ["GKS_WSTYPE"] = "381" # GKS Qt Plugin
os.environ["GKS_DOUBLE_BUF"] = "True"
def paintEvent(self, event):
self._painter = QPainter()
self._painter.begin(self)
self._painter.fillRect(0, 0, self.width(), self.height(), self._bgColor)
os.environ["GKSconid"] = getGKSConnectionId(self, self._painter)
gr.clearws()
self.draw()
gr.updatews()
self._painter.end()
def resizeEvent(self, event):
self._dwidth, self._dheight = self.width(), self.height()
self._mwidth = self.width() * .0254 / self.logicalDpiX()
self._mheight = self.height() * .0254 / self.logicalDpiY()
if self._mwidth > self._mheight:
self._sizex = 1.
if self.keepRatio:
self._sizey = 1.
self._mwidth = self._mheight
self._dwidth = self._dheight
else:
self._sizey = self._mheight / self._mwidth
else:
if self.keepRatio:
self._sizex = 1.
self._mheight = self._mwidth
self._dheight = self._dwidth
else:
self._sizex = self._mwidth / self._mheight
self._sizey = 1.
def setBackground(self, qcolor):
self._bgColor = qcolor
@property
def mwidth(self):
"""Get metric width of the widget excluding any window frame."""
return self._mwidth
@property
def mheight(self):
"""Get metric height of the widget excluding any window frame."""
return self._mheight
@property
def dwidth(self):
"""Get device width in consideration of ratio (keepRatio)."""
return self._dwidth
@property
def dheight(self):
"""Get device height in consideration of ratio (keepRatio)."""
return self._dheight
@property
def sizex(self):
"""..."""
return self._sizex
@property
def sizey(self):
"""..."""
return self._sizey
@property
def keepRatio(self):
return self._keepRatio
@keepRatio.setter
def keepRatio(self, bool):
self._keepRatio = bool
self.resizeEvent(None)
self.update()
def draw(self, clear=None, update=None):
# obsolete kwargs clear, update (unused) just kept for compatibility
if clear is not None or update is not None:
warnings.warn("Clear and update kwargs do not affect draw "
"method anymore and will be removed in future "
"versions. Please remove these arguments from your "
"draw calls. A clear and update will be done "
"internally for each paintEvent.", FutureWarning)
def save(self, path):
(p, ext) = os.path.splitext(path)
if ext.lower()[1:] == gr.GRAPHIC_GRX:
gr.begingraphics(path)
self.draw()
gr.endgraphics()
else:
gr.beginprint(path)
self.draw()
gr.endprint()
self.repaint()
def printDialog(self, documentName="qtgr-untitled"):
printer = QPrinter(QPrinter.HighResolution)
printer.setDocName(documentName)
painter = QPainter()
dlg = QPrintDialog(printer)
if dlg.exec_() == QPrintDialog.Accepted:
painter.begin(printer)
os.environ["GKSconid"] = getGKSConnectionId(self, painter)
# upscaling to paper size and
# alignment (horizontal and vertical centering)
xscale = printer.pageRect().width() / float(self.width())
yscale = printer.pageRect().height() / float(self.height())
scale = min(xscale, yscale)
painter.translate(printer.paperRect().x() +
printer.pageRect().width() / 2,
printer.paperRect().y() +
printer.pageRect().height() / 2)
painter.scale(scale, scale)
painter.translate(-self.width() / 2, -self.height() / 2)
gr.clearws()
self.draw()
gr.updatews()
painter.end()
def __del__(self):
if gr:
gr.emergencyclosegks()
def printDialog(self, documentName="qtgr-untitled"):
printer = QPrinter(QPrinter.HighResolution)
printer.setDocName(documentName)
painter = QPainter()
dlg = QPrintDialog(printer)
if dlg.exec_() == QPrintDialog.Accepted:
painter.begin(printer)
os.environ["GKSconid"] = getGKSConnectionId(self, painter)
# upscaling to paper size and
# alignment (horizontal and vertical centering)
xscale = printer.pageRect().width() / float(self.width())
yscale = printer.pageRect().height() / float(self.height())
scale = min(xscale, yscale)
painter.translate(printer.paperRect().x() +
printer.pageRect().width() / 2,
printer.paperRect().y() +
printer.pageRect().height() / 2)
painter.scale(scale, scale)
painter.translate(-self.width() / 2, -self.height() / 2)
gr.clearws()
self.draw()
gr.updatews()
painter.end()
class GRWidget(QWidget):
def __init__(self, *args, **kwargs):
super(GRWidget, self).__init__(*args, **kwargs)
self._sizex, self._sizey = 1., 1.
self._dwidth, self._dheight = self.width(), self.height()
self._mwidth = self._dwidth * 2.54 / self.physicalDpiX() / 100.
self._mheight = self._dheight * 2.54 / self.physicalDpiY() / 100.
self._keepRatio = False
self._bgColor = QtCore.Qt.white
os.environ["GKS_WSTYPE"] = "381" # GKS Qt Plugin
os.environ["GKS_DOUBLE_BUF"] = "True"
def paintEvent(self, event):
self._painter = QPainter()
self._painter.begin(self)
self._painter.fillRect(0, 0, self.width(), self.height(), self._bgColor)
os.environ["GKSconid"] = getGKSConnectionId(self, self._painter)
gr.clearws()
self.draw()
gr.updatews()
self._painter.end()
def resizeEvent(self, event):
self._dwidth, self._dheight = self.width(), self.height()
self._mwidth = self._dwidth * 2.54 / self.physicalDpiX() / 100.
self._mheight = self._dheight * 2.54 / self.physicalDpiY() / 100.
if self._mwidth > self._mheight:
self._sizex = 1.
if self.keepRatio:
self._sizey = 1.
self._mwidth = self._mheight
self._dwidth = self._dheight
elif self._mwidth > 0:
self._sizey = self._mheight / self._mwidth
else:
self._sizey = 1.
else:
if self.keepRatio:
self._sizex = 1.
self._mheight = self._mwidth
self._dheight = self._dwidth
elif self._mheight > 0:
self._sizex = self._mwidth / self._mheight
else:
self._sizex = 1.
self._sizey = 1.
def screenChangedEvent(self, event):
gr.configurews()
self.update()
def setBackground(self, qcolor):
self._bgColor = qcolor
@property
def mwidth(self):
"""Get metric width of the widget excluding any window frame."""
return self._mwidth
@property
def mheight(self):
"""Get metric height of the widget excluding any window frame."""
return self._mheight
@property
def dwidth(self):
"""Get device width in consideration of ratio (keepRatio)."""
return self._dwidth
@property
def dheight(self):
"""Get device height in consideration of ratio (keepRatio)."""
return self._dheight
@property
def sizex(self):
"""..."""
return self._sizex
@property
def sizey(self):
"""..."""
return self._sizey
@property
def keepRatio(self):
return self._keepRatio
@keepRatio.setter
def keepRatio(self, bool):
self._keepRatio = bool
self.resizeEvent(None)
self.update()
def draw(self, clear=None, update=None):
# obsolete kwargs clear, update (unused) just kept for compatibility
if clear is not None or update is not None:
warnings.warn("Clear and update kwargs do not affect draw "
"method anymore and will be removed in future "
"versions. Please remove these arguments from your "
"draw calls. A clear and update will be done "
"internally for each paintEvent.", FutureWarning)
def save(self, path):
(p, ext) = os.path.splitext(path)
if ext.lower()[1:] == gr.GRAPHIC_GRX:
gr.begingraphics(path)
self.draw()
gr.endgraphics()
else:
gr.beginprint(path)
self.draw()
gr.endprint()
self.repaint()
def printDialog(self, documentName="qtgr-untitled"):
printer = QPrinter(QPrinter.HighResolution)
printer.setDocName(documentName)
painter = QPainter()
dlg = QPrintDialog(printer)
if dlg.exec_() == QPrintDialog.Accepted:
painter.begin(printer)
os.environ["GKSconid"] = getGKSConnectionId(self, painter)
# upscaling to paper size and
# alignment (horizontal and vertical centering)
xscale = printer.pageRect().width() / float(self.width())
yscale = printer.pageRect().height() / float(self.height())
scale = min(xscale, yscale)
painter.translate(printer.paperRect().x() +
printer.pageRect().width() / 2,
printer.paperRect().y() +
printer.pageRect().height() / 2)
painter.scale(scale, scale)
painter.translate(-self.width() / 2, -self.height() / 2)
gr.clearws()
self.draw()
gr.updatews()
painter.end()
def printDialog(self, documentName="qtgr-untitled"):
printer = QPrinter(QPrinter.HighResolution)
printer.setDocName(documentName)
painter = QPainter()
dlg = QPrintDialog(printer)
if dlg.exec_() == QPrintDialog.Accepted:
painter.begin(printer)
os.environ["GKSconid"] = getGKSConnectionId(self, painter)
# upscaling to paper size and
# alignment (horizontal and vertical centering)
xscale = printer.pageRect().width() / float(self.width())
yscale = printer.pageRect().height() / float(self.height())
scale = min(xscale, yscale)
painter.translate(printer.paperRect().x() +
printer.pageRect().width() / 2,
printer.paperRect().y() +
printer.pageRect().height() / 2)
painter.scale(scale, scale)
painter.translate(-self.width() / 2, -self.height() / 2)
gr.clearws()
self.draw()
gr.updatews()
painter.end()
