def doPrint(self, target, printer, pdfPrinter, preferences):
widget = self.plotDict[target]['widget']
if preferences.savePdf:
with SceneToPrint(widget):
painter = QtGui.QPainter(pdfPrinter)
widget.render(painter)
del painter
# create an exporter instance, as an argument give it
# the item you wish to export
with SceneToPrint(widget, preferences.gridLinewidth,
preferences.curveLinewidth):
exporter = ImageExporter(widget._graphicsView.scene())
# set export parameters if needed
pageWidth = printer.pageRect().width()
pageHeight = printer.pageRect().height()
exporter.parameters(
)['width'] = pageWidth * preferences.printWidth # (note this also affects height parameter)
# save to file
png = exporter.export(toBytes=True)
if preferences.savePng:
png.save(DataDirectory.DataDirectory().sequencefile(target +
".png")[0])
if preferences.doPrint:
painter = QtGui.QPainter(printer)
painter.drawImage(
QtCore.QPoint(pageWidth * preferences.printX,
pageHeight * preferences.printY), png)
def save_graph(self, filename):
self._pg_layout.setContentsMargins(20, 20, 20, 20)
QtGui.QApplication.processEvents()
if filename.endswith('.png'):
exporter = ImageExporter(self._pg_layout)
exporter.export(filename)
elif filename.endswith('.svg'):
self._invert_color()
exporter = SVGExporter(self._pg_layout)
exporter.export(filename)
self._norm_color()
self._pg_layout.setContentsMargins(0, 0, 0, 0)
QtGui.QApplication.processEvents()
def capture_view_as_image(self, window, outputfile):
"""
Export an image using pyqtgraph
FIXME this is not working at the moment
"""
if window not in (1, 2, 3):
raise RuntimeError("No such window: %i" % window)
expimg = self.ortho_views[window - 1].img
exporter = ImageExporter(expimg)
exporter.parameters()['width'] = 2000
exporter.export(str(outputfile))
def exportPlot(self):
try:
if int(self.heightEdit.text()) < 0:
return
if int(self.widthEdit.text()) < 0:
return
except:
return
exporter = ImageExporter(self.data_layout)
name = os.path.splitext(self.filename.text())[0]
name += '.png' if self.format.currentText() == 'PNG' else '.jpg'
exporter.parameters()['width'] = int(self.widthEdit.text())
exporter.parameters()['height'] = int(self.heightEdit.text())
exporter.export(name)
self.close()
def save_img(self, filename):
exporter = ImageExporter(self.img_view_box)
exporter.parameters()['width'] = 2048
exporter.export(filename)
def save_png(self, filename):
exporter = ImageExporter(self.pattern_plot)
exporter.export(filename)
def save_png(self, filename):
exporter = ImageExporter(self.spectrum_plot)
exporter.export(filename)
def export(self):
#self.exp = ImageExporterCustom(self)
self.exp = ImageExporter(self)
self.exp.export()
