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[SVGExporter] Fix width and height

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This commit is contained in:
Gabriele Buondonno 2020-10-16 14:32:56 +02:00
parent b5de577c28
commit 5ed2e760ea
1 changed files with 11 additions and 8 deletions
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19
pyqtgraph/exporters/SVGExporter.py
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@ -17,17 +17,17 @@ class SVGExporter(Exporter):
def __init__(self, item):
Exporter.__init__(self, item)
#tr = self.getTargetRect()
tr = self.getTargetRect()
self.params = Parameter(name='params', type='group', children=[
#{'name': 'width', 'type': 'float', 'value': tr.width(), 'limits': (0, None)},
#{'name': 'height', 'type': 'float', 'value': tr.height(), 'limits': (0, None)},
{'name': 'width', 'type': 'float', 'value': tr.width(), 'limits': (0, None)},
{'name': 'height', 'type': 'float', 'value': tr.height(), 'limits': (0, None)},
#{'name': 'viewbox clipping', 'type': 'bool', 'value': True},
#{'name': 'normalize coordinates', 'type': 'bool', 'value': True},
{'name': 'scaling stroke', 'type': 'bool', 'value': False, 'tip': "If False, strokes are non-scaling, "
"which means that they appear the same width on screen regardless of how they are scaled or how the view is zoomed."},
])
#self.params.param('width').sigValueChanged.connect(self.widthChanged)
#self.params.param('height').sigValueChanged.connect(self.heightChanged)
self.params.param('width').sigValueChanged.connect(self.widthChanged)
self.params.param('height').sigValueChanged.connect(self.heightChanged)
def widthChanged(self):
sr = self.getSourceRect()
@ -51,6 +51,8 @@ class SVGExporter(Exporter):
## Instead, we will use Qt to generate SVG for each item independently,
## then manually reconstruct the entire document.
options = {ch.name():ch.value() for ch in self.params.children()}
options['width'] = self.params['width']
options['height'] = self.params['height']
xml = generateSvg(self.item, options)
if toBytes:
@ -63,10 +65,10 @@ class SVGExporter(Exporter):
with open(fileName, 'wb') as fh:
fh.write(asUnicode(xml).encode('utf-8'))
# Includes space for extra attributes
xmlHeader = """\
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.2" baseProfile="tiny">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.2" baseProfile="tiny"%s>
<title>pyqtgraph SVG export</title>
<desc>Generated with Qt and pyqtgraph</desc>
<style>
@ -100,7 +102,8 @@ def generateSvg(item, options={}):
for d in defs:
defsXml += d.toprettyxml(indent=' ')
defsXml += "</defs>\n"
return xmlHeader + defsXml + node.toprettyxml(indent=' ') + "\n</svg>\n"
svgAttributes = f' viewBox ="0 0 {options["width"]} {options["height"]}"'
return (xmlHeader % svgAttributes) + defsXml + node.toprettyxml(indent=' ') + "\n</svg>\n"
def _generateItemSvg(item, nodes=None, root=None, options={}):