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Fixed ScatterPlotItem.renderSymbol device argument

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This commit is contained in:
Luke Campagnola 2013-06-01 07:54:55 -04:00
parent 3d820400d3
commit f5435b7798
1 changed files with 6 additions and 14 deletions
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20
pyqtgraph/graphicsItems/ScatterPlotItem.py
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@ -53,25 +53,17 @@ def renderSymbol(symbol, size, pen, brush, device=None):
the symbol will be rendered into the device specified (See QPainter documentation the symbol will be rendered into the device specified (See QPainter documentation
for more information). for more information).
""" """
## see if this pixmap is already cached
#global SymbolPixmapCache
#key = (symbol, size, fn.colorTuple(pen.color()), pen.width(), pen.style(), fn.colorTuple(brush.color()))
#if key in SymbolPixmapCache:
#return SymbolPixmapCache[key]
## Render a spot with the given parameters to a pixmap ## Render a spot with the given parameters to a pixmap
penPxWidth = max(np.ceil(pen.widthF()), 1) penPxWidth = max(np.ceil(pen.widthF()), 1)
image = QtGui.QImage(int(size+penPxWidth), int(size+penPxWidth), QtGui.QImage.Format_ARGB32) if device is None:
image.fill(0) device = QtGui.QImage(int(size+penPxWidth), int(size+penPxWidth), QtGui.QImage.Format_ARGB32)
p = QtGui.QPainter(image) device.fill(0)
p = QtGui.QPainter(device)
p.setRenderHint(p.Antialiasing) p.setRenderHint(p.Antialiasing)
p.translate(image.width()*0.5, image.height()*0.5) p.translate(device.width()*0.5, device.height()*0.5)
drawSymbol(p, symbol, size, pen, brush) drawSymbol(p, symbol, size, pen, brush)
p.end() p.end()
return image return device
#pixmap = QtGui.QPixmap(image)
#SymbolPixmapCache[key] = pixmap
#return pixmap
def makeSymbolPixmap(size, pen, brush, symbol): def makeSymbolPixmap(size, pen, brush, symbol):
## deprecated ## deprecated