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Merge pull request #1295 from campagnola/acq4-merge

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TextItem performance
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Luke Campagnola 2020-07-06 01:00:04 -07:00 committed by GitHub
commit 46dafe4803
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1 changed files with 24 additions and 9 deletions
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31
pyqtgraph/graphicsItems/TextItem.py
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@ -67,26 +67,33 @@ class TextItem(GraphicsObject):
"""
if color is not None:
self.setColor(color)
self.textItem.setPlainText(text)
self.updateTextPos()
self.setPlainText(text)
def setPlainText(self, *args):
def setPlainText(self, text):
"""
Set the plain text to be rendered by this item.
See QtGui.QGraphicsTextItem.setPlainText().
"""
self.textItem.setPlainText(*args)
self.updateTextPos()
if text != self.toPlainText():
self.textItem.setPlainText(text)
self.updateTextPos()
def setHtml(self, *args):
def toPlainText(self):
return self.textItem.toPlainText()
def setHtml(self, html):
"""
Set the HTML code to be rendered by this item.
See QtGui.QGraphicsTextItem.setHtml().
"""
self.textItem.setHtml(*args)
self.updateTextPos()
if self.toHtml() != html:
self.textItem.setHtml(html)
self.updateTextPos()
def toHtml(self):
return self.textItem.toHtml()
def setTextWidth(self, *args):
"""
@ -176,7 +183,15 @@ class TextItem(GraphicsObject):
p.setRenderHint(p.Antialiasing, True)
p.drawPolygon(self.textItem.mapToParent(self.textItem.boundingRect()))
def setVisible(self, v):
GraphicsObject.setVisible(self, v)
if v:
self.updateTransform()
def updateTransform(self, force=False):
if not self.isVisible():
return
# update transform such that this item has the correct orientation
# and scaling relative to the scene, but inherits its position from its
# parent.