def printPreview(obj, printer=None, parent=None):
if printer is None:
printer = QtPrintSupport.QPrinter(
QtPrintSupport.QPrinter.PrinterResolution)
# @TODO: check
if parent is None:
try:
parent = obj.window()
except AttributeError:
parent = None
dialog = QtWidgets.QPrintPreviewDialog(printer, parent)
dialog.paintRequested.connect(coreprint)
ret = dialog.exec_()
# @WARNING: duplicate code
ret = QtPrintSupport.QPrintDialog(printer, parent).exec_()
if ret == QtWidgets.QDialog.Accepted:
if isinstance(obj, (QtGui.QTextDocument, QtWidgets.QTextEdit)):
obj.print_(printer)
elif hasattr(object, 'model'):
model = obj.model()
doc = modelToTextDocument(model)
obj.print_(printer)
elif isinstance(obj, QtCore.QAbstractItemModel):
doc = modelToTextDocument(obj)
doc.print_(printer)
else:
coreprint(obj, printer)
def print_figure(self):
printer = QtPrintSupport.QPrinter(QtPrintSupport.QPrinter.HighResolution)
printer.setOrientation(QtPrintSupport.QPrinter.Landscape)
print_dlg = QtPrintSupport.QPrintDialog(printer)
if print_dlg.exec_() == QtWidgets.QDialog.Accepted:
painter = QtGui.QPainter(printer)
page_size = printer.pageRect()
pixmap = self.canvas.grab().scaled(page_size.width(), page_size.height(),
QtCore.Qt.KeepAspectRatio)
painter.drawPixmap(0, 0, pixmap)
painter.end()
def PDF(self, name=None):
printer = QtPrintSupport.QPrinter()
printer.setOutputFormat(printer.NativeFormat)
if name:
printer.setOutputFileName(name)
self.text.document().print_(printer)
else:
dialog = QtPrintSupport.QPrintDialog(printer)
dialog.setOption(dialog.PrintToFile)
if dialog.exec_() == QtWidgets.QDialog.Accepted:
self.text.document().print_(dialog.printer())
def printObject(obj, printer=None, parent=None):
if printer is None:
printer = QtPrintSupport.QPrinter(
QtPrintSupport.QPrinter.PrinterResolution)
# printer.setOutputFile(os.path.join(utils.default_workdir().
# 'filename.pdf'))
# @TODO: check
if parent is None:
try:
parent = obj.window()
except AttributeError:
parent = None
# dialog = QtPrintSupport.QPrintDialog(printer)
# try:
# window = obj.window()
# except AttributeError:
# window = = None
# preview = QtWidgets.QPrintPreviewWidget(printer, window)
# preview.paintRequested.connect(coreprint)
# dialog.setOptionTabs([preview])
# ret = d.exec_()
ret = QtPrintSupport.QPrintDialog(printer, parent).exec_()
if ret == QtWidgets.QDialog.Accepted:
if isinstance(obj, (QtGui.QTextDocument, QtWidgets.QTextEdit)):
obj.print_(printer)
elif hasattr(obj, 'model'):
model = obj.model()
doc = modelToTextDocument(model)
doc.print_(printer)
elif isinstance(obj, QtCore.QAbstractItemModel):
doc = modelToTextDocument(obj)
doc.print_(printer)
else:
coreprint(obj, printer)
def test_qprintpreviewwidget_print_(qtbot):
"""Test qtpy.QtPrintSupport.QPrintPreviewWidget print_"""
assert QtPrintSupport.QPrintPreviewWidget.print_ is not None
preview_widget = QtPrintSupport.QPrintPreviewWidget()
preview_widget.print_()
def imgexport(obj, parent=None):
filters = [
obj.tr('All files (*)'),
obj.tr('Simple Vector Graphics file (*.svg)'),
obj.tr('PDF file (*.pdf)'),
obj.tr('PostScript file (*.ps)'),
]
filters.extend('{} file (*.{})'.format(str(fmt).upper(), str(fmt))
for fmt in QtGui.QImageWriter.supportedImageFormats())
formats = {
str(fmt).lower()
for fmt in QtGui.QImageWriter.supportedImageFormats()
}
formats.update(('svg', 'pdf', 'ps'))
# @TODO: check
if parent is None:
try:
parent = obj.window()
except AttributeError:
parent = None
target = os.path.join(utils.default_workdir(), 'image.jpeg')
filename, filter_ = QtWidgets.QFileDialog.getSaveFileName(
parent, obj.tr('Save picture'), target, ';;'.join(filters))
ext = 'unknown'
while filename and (ext not in formats):
ext = os.path.splitext(filename)[1]
if ext:
ext = ext[1:].lower()
if ext in formats:
break
else:
QtWidgets.QMessageBox.information(
parent, obj.tr('Unknown file format'),
obj.tr('Unknown file format "%s".\nPlease retry.') % ext)
filename, filter_ = QtWidgets.QFileDialog.getSaveFileName(
parent, obj.tr('Save draw'), filename, ';;'.join(filters),
filter_)
else:
ext = 'unknown'
if filename:
if hasattr(obj, 'viewport'):
srcsize = obj.viewport().rect().size()
elif hasattr(obj, 'sceneRect'):
# QGraphicsViews also has a viewport method so they should be
# trapped by the previous check
srcsize = obj.sceneRect().toRect().size()
else:
srcsize = QtWidgets.QSize(800, 600)
if ext in ('pdf', 'ps'):
device = QtPrintSupport.QPrinter(
QtPrintSupport.QPrinter.HighResolution)
device.setOutputFileName(filename)
if ext == 'pdf':
device.setOutputFormat(QtPrintSupport.QPrinter.PdfFormat)
else:
# ext == 'ps'
device.setOutputFormat(
QtPrintSupport.QPrinter.PostScriptFormat)
elif ext == 'svg':
device = QtSvg.QSvgGenerator()
device.setFileName(filename)
device.setSize(srcsize)
# device.setViewBox(obj.sceneRect().toRect())
# device.setTitle(obj.tr('Graphics Draw'))
# device.setDescription(obj.tr('Qt SVG drawing.'))
else:
device = QtGui.QPixmap(srcsize)
# @TODO: check
device.fill(QtCore.Qt.white)
painter = QtGui.QPainter()
if painter.begin(device):
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
obj.render(painter)
painter.end()
if hasattr(device, 'save'):
device.save(filename)
else:
QtWidgets.QMessageBox.warning(
parent, obj.tr('Warning'),
obj.tr('Unable initialize painting device.'))
def Print(self):
dialog = QtPrintSupport.QPrintDialog()
if dialog.exec_() == QtWidgets.QDialog.Accepted:
self.text.document().print_(dialog.printer())
def PageView(self):
preview = QtPrintSupport.QPrintPreviewDialog()
preview.paintRequested.connect(self.PaintPageView)
preview.exec_()