/usr/lib/python2.7/dist-packages/IPython/qt/svg.py is in ipython-qtconsole 1.2.1-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | """ Defines utility functions for working with SVG documents in Qt.
"""
# System library imports.
from IPython.external.qt import QtCore, QtGui, QtSvg
def save_svg(string, parent=None):
""" Prompts the user to save an SVG document to disk.
Parameters:
-----------
string : basestring
A Python string containing a SVG document.
parent : QWidget, optional
The parent to use for the file dialog.
Returns:
--------
The name of the file to which the document was saved, or None if the save
was cancelled.
"""
if isinstance(string, unicode):
string = string.encode('utf-8')
dialog = QtGui.QFileDialog(parent, 'Save SVG Document')
dialog.setAcceptMode(QtGui.QFileDialog.AcceptSave)
dialog.setDefaultSuffix('svg')
dialog.setNameFilter('SVG document (*.svg)')
if dialog.exec_():
filename = dialog.selectedFiles()[0]
f = open(filename, 'w')
try:
f.write(string)
finally:
f.close()
return filename
return None
def svg_to_clipboard(string):
""" Copy a SVG document to the clipboard.
Parameters:
-----------
string : basestring
A Python string containing a SVG document.
"""
if isinstance(string, unicode):
string = string.encode('utf-8')
mime_data = QtCore.QMimeData()
mime_data.setData('image/svg+xml', string)
QtGui.QApplication.clipboard().setMimeData(mime_data)
def svg_to_image(string, size=None):
""" Convert a SVG document to a QImage.
Parameters:
-----------
string : basestring
A Python string containing a SVG document.
size : QSize, optional
The size of the image that is produced. If not specified, the SVG
document's default size is used.
Raises:
-------
ValueError
If an invalid SVG string is provided.
Returns:
--------
A QImage of format QImage.Format_ARGB32.
"""
if isinstance(string, unicode):
string = string.encode('utf-8')
renderer = QtSvg.QSvgRenderer(QtCore.QByteArray(string))
if not renderer.isValid():
raise ValueError('Invalid SVG data.')
if size is None:
size = renderer.defaultSize()
image = QtGui.QImage(size, QtGui.QImage.Format_ARGB32)
painter = QtGui.QPainter(image)
renderer.render(painter)
return image
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