def display (sc, title = "SVG scene") : """Display a scene in a Qdialog :Parameters: - `sc` (`SVGScene`) - `title` (str) - window title """ qapp = QApplication.instance() if qapp is None : qapp = QApplication([]) dial = QDialog() dial.setWindowTitle(title) dial.setPalette(QPalette(QColor(255,255,255) ) ) lay = QVBoxLayout(dial) w = QSvgWidget(dial) data = QByteArray(str(to_xml(sc) ) ) w.load(data) r = w.renderer() w.setMinimumSize(r.defaultSize() ) lay.addWidget(w) dial.show() qapp.exec_()
def display(sc, title="SVG scene"):
"""Display a scene in a Qdialog
:Parameters:
- `sc` (`SVGScene`)
- `title` (str) - window title
"""
qapp = QApplication.instance()
if qapp is None:
qapp = QApplication([])
dial = QDialog()
dial.setWindowTitle(title)
dial.setPalette(QPalette(QColor(255, 255, 255)))
lay = QVBoxLayout(dial)
w = QSvgWidget(dial)
data = QByteArray(str(to_xml(sc)))
w.load(data)
r = w.renderer()
w.setMinimumSize(r.defaultSize())
lay.addWidget(w)
dial.show()
qapp.exec_()
def save_png (filename, sc, background = (255,255,255, 0) ) : """Create a png image from a scene :Parameters: - `filename` (str) - name to write the image - `sc` (SVGScene) - `background` (int, int, int, int) - background color as (R, G, B, alpha) 0-255 tuple """ qapp = QApplication.instance() if qapp is None : qapp = QApplication([]) r = QSvgRenderer(None) data = QByteArray(str(to_xml(sc) ) ) r.load(data) pix = QPixmap(r.defaultSize() ) pix.fill(QColor(*background) ) painter = QPainter(pix) r.render(painter) painter.end() pix.save(filename)
def save_png(filename, sc, background=(255, 255, 255, 0)):
"""Create a png image from a scene
:Parameters:
- `filename` (str) - name to write the image
- `sc` (SVGScene)
- `background` (int, int, int, int) - background color
as (R, G, B, alpha) 0-255 tuple
"""
qapp = QApplication.instance()
if qapp is None:
qapp = QApplication([])
r = QSvgRenderer(None)
data = QByteArray(str(to_xml(sc)))
r.load(data)
pix = QPixmap(r.defaultSize())
pix.fill(QColor(*background))
painter = QPainter(pix)
r.render(painter)
painter.end()
pix.save(filename)