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Merge pull request #1902 from pijyoi/simpler_mvp

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simplify modelview projection computation
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Ogi Moore 2021-07-17 22:03:32 -07:00 committed by GitHub
commit ed66eef203
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1 changed files with 2 additions and 4 deletions
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6
pyqtgraph/graphicsItems/PlotCurveItem.py
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@ -575,13 +575,11 @@ class PlotCurveItem(GraphicsObject):
# https://code.woboq.org/qt6/qtbase/src/opengl/qopenglpaintengine.cpp.html
# Technically, we could enable it for all platforms, but for now, just
# enable it where it is required, i.e. Windows
tr = self.sceneTransform()
rect = widget.rect()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gl.glOrtho(rect.x(), rect.width(), rect.height(), rect.y(), -999999, 999999)
gl.glOrtho(0, widget.width(), widget.height(), 0, -999999, 999999)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadTransposeMatrixf(QtGui.QMatrix4x4(tr).copyDataTo())
gl.glLoadMatrixf(QtGui.QMatrix4x4(self.sceneTransform()).data())
## set clipping viewport
view = self.getViewBox()