def create_svg(name, width, height):
VBOX_WIDTH = 600
VBOX_HEIGHT = 800
# vytvoření instance třídy QSvgGenerator
generator = QtSvg.QSvgGenerator()
# určení typu výstupu a nastavení
# jména výsledného souboru
generator.setFileName(name)
# specifikace rozměrů SVG obrázku
generator.setSize(QtCore.QSize(width, height))
# viditelný výřez
generator.setViewBox(QtCore.QRect(0, 0, VBOX_WIDTH, VBOX_HEIGHT))
# nastavení titulku SVG obrázku
generator.setTitle("SVG: test 9")
# popis SVG obrázku
generator.setDescription("seventh SVG example")
# inicializace instance třídy QPainter
painter = QtGui.QPainter()
# začátek kreslení
painter.begin(generator)
drawScene(painter, VBOX_WIDTH, VBOX_HEIGHT)
# konec kreslení
painter.end()
def saveImage(self):
"""
Method for saving the contents of this view to an image file.
@ In, None
@ Out, None
"""
dialog = qtg.QFileDialog(self)
dialog.setFileMode(qtg.QFileDialog.AnyFile)
dialog.setAcceptMode(qtg.QFileDialog.AcceptSave)
dialog.exec_()
if dialog.result() == qtg.QFileDialog.Accepted:
myFile = dialog.selectedFiles()[0]
self.scene().clearSelection()
if myFile.endswith('.svg'):
svgGen = qts.QSvgGenerator()
svgGen.setFileName(myFile)
svgGen.setSize(self.sceneRect().size().toSize())
svgGen.setViewBox(self.sceneRect())
svgGen.setTitle("Screen capture of " + self.__class__.__name__)
svgGen.setDescription("Generated from RAVEN.")
painter = qtg.QPainter(svgGen)
else:
image = qtg.QImage(self.sceneRect().size().toSize(),
qtg.QImage.Format_ARGB32)
image.fill(qtc.Qt.transparent)
painter = qtg.QPainter(image)
self.scene().render(painter)
if not myFile.endswith('.svg'):
image.save(myFile, quality=100)
del painter
def saveImage(self):
""" Saves the current display of this view to a static image by loading a
file dialog box.
"""
dialog = qtg.QFileDialog(self)
dialog.setFileMode(qtg.QFileDialog.AnyFile)
dialog.setAcceptMode(qtg.QFileDialog.AcceptSave)
dialog.exec_()
if dialog.result() == qtg.QFileDialog.Accepted:
myFile = dialog.selectedFiles()[0]
self.scene.clearSelection()
self.scene.setSceneRect(self.scene.itemsBoundingRect())
if myFile.endswith('.svg'):
svgGen = qts.QSvgGenerator()
svgGen.setFileName(myFile)
svgGen.setSize(self.scene.sceneRect().size().toSize())
svgGen.setViewBox(self.scene.sceneRect())
svgGen.setTitle("Screen capture of " + self.__class__.__name__)
svgGen.setDescription("Generated from RAVEN.")
painter = qtg.QPainter (svgGen)
else:
image = qtg.QImage(self.scene.sceneRect().size().toSize(), qtg.QImage.Format_ARGB32)
image.fill(qtc.Qt.transparent)
painter = qtg.QPainter(image)
self.scene.render(painter)
if not myFile.endswith('.svg'):
image.save(myFile,quality=100)
del painter
def save_figure(scene, fname):
suffix = os.path.splitext(fname)[-1]
if suffix == '.svg':
img = QtSvg.QSvgGenerator()
img.setFileName(fname)
invoke_painter(scene, img)
else:
img = QtGui.QImage(3000, 3000, QtGui.QImage.Format_ARGB32)
invoke_painter(scene, img)
img.save(fname)
def export_svg(self, path):
buf = QtCore.QBuffer()
generator = QtSvg.QSvgGenerator()
generator.setOutputDevice(buf)
generator.setFileName(path)
generator.setTitle('Pywr')
# TODO: this doesn't work as expected
rect = self.scene.itemsBoundingRect()
generator.setSize(self.size())
generator.setResolution(300)
#generator.setSize(QtCore.QSize(600, 400))
#generator.setViewBox(QtCore.QRect(0, 0, rect.width(), rect.height()))
# paint the scene
painter = QtGui.QPainter()
painter.begin(generator)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
self.scene.render(painter)
painter.end()
def saveImage(self, filename=None):
"""
Saves the current display of this view to a static image by loading a
file dialog box.
@ In, filename, string, optional parameter specifying where this image
will be saved. If None, then a dialog box will prompt the user for a
name and location.
@ Out, None
"""
if filename is None:
dialog = qtw.QFileDialog(self)
dialog.setFileMode(qtw.QFileDialog.AnyFile)
dialog.setAcceptMode(qtw.QFileDialog.AcceptSave)
dialog.exec_()
if dialog.result() == qtw.QFileDialog.Accepted:
filename = dialog.selectedFiles()[0]
else:
return
self.scene.clearSelection()
self.scene.setSceneRect(self.scene.itemsBoundingRect())
if filename.endswith('.svg'):
svgGen = qts.QSvgGenerator()
svgGen.setFileName(filename)
svgGen.setSize(self.scene.sceneRect().size().toSize())
svgGen.setViewBox(self.scene.sceneRect())
svgGen.setTitle("Screen capture of " + self.__class__.__name__)
svgGen.setDescription("Generated from RAVEN.")
painter = qtg.QPainter(svgGen)
else:
image = qtg.QImage(self.scene.sceneRect().size().toSize(),
qtg.QImage.Format_ARGB32)
image.fill(qtc.Qt.transparent)
painter = qtg.QPainter(image)
self.scene.render(painter)
if not filename.endswith('.svg'):
image.save(filename, quality=100)
del painter
#!/usr/bin/env python
# vim: set fileencoding=utf-8
from PySide import QtGui, QtSvg
# vytvoření instance třídy QSvgGenerator
generator = QtSvg.QSvgGenerator()
# určení typu výstupu a nastavení
# jména výsledného souboru
generator.setFileName("test2.svg")
# inicializace instance třídy QPainter
painter = QtGui.QPainter()
# začátek kreslení
painter.begin(generator)
# ihned poté ukončíme kreslení
painter.end()