def _save_image(self):
file_name, _ = QFileDialog.getSaveFileName(
self._widget, self.tr('Save as image'), 'rospackgraph.png',
self.tr('Image (*.bmp *.jpg *.png *.tiff)'))
if file_name is None or file_name == '':
return
img = QImage((self._scene.sceneRect().size() * 2.0).toSize(),
QImage.Format_ARGB32_Premultiplied)
painter = QPainter(img)
painter.setRenderHint(QPainter.Antialiasing)
self._scene.render(painter)
painter.end()
img.save(file_name)
def _save_svg(self):
file_name, _ = QFileDialog.getSaveFileName(
self._widget, self.tr('Save as SVG'), 'rospackgraph.svg',
self.tr('Scalable Vector Graphic (*.svg)'))
if file_name is None or file_name == '':
return
generator = QSvgGenerator()
generator.setFileName(file_name)
generator.setSize((self._scene.sceneRect().size() * 2.0).toSize())
painter = QPainter(generator)
painter.setRenderHint(QPainter.Antialiasing)
self._scene.render(painter)
painter.end()
def renderSVGQt(contents, outfn, size):
"""Has font problems, letter spacing too broad, version number cropped
(compared to inkscape output).
Unused, but kept for reference.
"""
from gui.qt import QtCore, QtSvg, QtGui
from QtSvg import QSvgRenderer
from QtCore import QByteArray
from QtGui import QImage, QPainter, QApplication
app = QApplication([])
svg = QSvgRenderer(QByteArray(contents.encode("utf-8")))
img = QImage(size, size, QImage.Format_ARGB32)
painter = QPainter(img)
svg.render(painter)
painter.end()
img.save(outfn)