def exportGraph(self):
image = QtGui.QImage(2048,1536,QtGui.QImage.Format_ARGB32_Premultiplied)
painter = QtGui.QPainter(image)
self.ui.canvas.render(painter)
painter.end()
filepath, extension = QtWidgets.QFileDialog.getSaveFileName(
caption="Export to File",
filter="*.png",
)
if filepath:
image.save(filepath)
def grab_frame(self, filename=None):
"""Grab one frame."""
if not self.recording and not filename:
return
# performance measuring
# self.times.append(time.time() - self.last_time)
# self.last_time = time.time()
# pylint: disable=no-member
if isQt5:
# screen = QtGui.QtGuiApplication.primaryScreen()
screen = g.app.gui.qtApp.primaryScreen()
pm = screen.grabWindow(self.winId)
else:
pm = QtGui.QPixmap.grabWindow(self.winId)
if False:
# don't remove this code - all during dev. the above did
# not capture the pointer in the image, which is quite
# typical for screen captures - this code draws a pointer
# in the right place, and may be need to be enabled by a
# @setting in future, if pointer capture does not occur in
# all environments - pointer is captured in
# Leo Log Window
# Leo 4.11 devel, build 5727, 2013-04-19 10:16:15
# Python 2.7.4, qt version 4.8.4
# linux2
# Xubuntu Xfce4 desktop
cursor = self.widget.cursor()
pos = self.widget.mapFromGlobal(cursor.pos())
painter = QtGui.QPainter()
painter.begin(pm)
painter.drawImage(
pos,
self.pointer_img,
)
painter.end()
if not filename:
filename = "/tmp/image%04d.bmp" % self.frame
# save .bmp in video mode because .png is too slow
pm.save(filename)
self.frame += 1
