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fix image export bug

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fixes #454
This commit is contained in:
ZacDiggum 2017-03-07 10:34:48 +01:00 committed by GitHub
parent dd5a8bf9d1
commit d4bff30f11
1 changed files with 4 additions and 4 deletions
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8
pyqtgraph/exporters/ImageExporter.py
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@ -23,8 +23,8 @@ class ImageExporter(Exporter):
bg.setAlpha(0)
self.params = Parameter(name='params', type='group', children=[
{'name': 'width', 'type': 'int', 'value': tr.width(), 'limits': (0, None)},
{'name': 'height', 'type': 'int', 'value': tr.height(), 'limits': (0, None)},
{'name': 'width', 'type': 'int', 'value': int(tr.width()), 'limits': (0, None)},
{'name': 'height', 'type': 'int', 'value': int(tr.height()), 'limits': (0, None)},
{'name': 'antialias', 'type': 'bool', 'value': True},
{'name': 'background', 'type': 'color', 'value': bg},
])
@ -34,12 +34,12 @@ class ImageExporter(Exporter):
def widthChanged(self):
sr = self.getSourceRect()
ar = float(sr.height()) / sr.width()
self.params.param('height').setValue(self.params['width'] * ar, blockSignal=self.heightChanged)
self.params.param('height').setValue(int(self.params['width'] * ar), blockSignal=self.heightChanged)
def heightChanged(self):
sr = self.getSourceRect()
ar = float(sr.width()) / sr.height()
self.params.param('width').setValue(self.params['height'] * ar, blockSignal=self.widthChanged)
self.params.param('width').setValue(int(self.params['height'] * ar), blockSignal=self.widthChanged)
def parameters(self):
return self.params