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don't rely on QImage-wrapped buffer being writable

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KIU Shueng Chuan 2021-05-22 09:10:03 +08:00
parent ac84f45787
commit 9426ef0391
1 changed files with 2 additions and 1 deletions
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3
pyqtgraph/graphicsItems/ImageItem.py
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@ -235,7 +235,7 @@ class ImageItem(GraphicsObject):
self._processingBuffer = self._xp.empty(shape[:2] + (4,), dtype=self._xp.ubyte)
else:
self._processingBuffer = self._displayBuffer
self.qimage = fn.makeQImage(self._displayBuffer, transpose=False, copy=False)
self.qimage = None
def setImage(self, image=None, autoLevels=None, **kargs):
"""
@ -471,6 +471,7 @@ class ImageItem(GraphicsObject):
fn.makeARGB(image, lut=lut, levels=levels, output=self._processingBuffer)
if self._xp == getCupy():
self._processingBuffer.get(out=self._displayBuffer)
self.qimage = fn.ndarray_to_qimage(self._displayBuffer, QtGui.QImage.Format.Format_ARGB32)
self._renderRequired = False
self._unrenderable = False