本文整理汇总了Python中qwt.painter.QwtPainter.drawPoint方法的典型用法代码示例。如果您正苦于以下问题：Python QwtPainter.drawPoint方法的具体用法？Python QwtPainter.drawPoint怎么用？Python QwtPainter.drawPoint使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qwt.painter.QwtPainter的用法示例。
在下文中一共展示了QwtPainter.drawPoint方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: drawDots
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPoint [as 别名]
def drawDots(self, painter, xMap, yMap, canvasRect, from_, to):
color = painter.pen().color()
if painter.pen().style() == Qt.NoPen or color.alpha() == 0:
return
doFill = self.__data.brush.style() != Qt.NoBrush\
and self.__data.brush.color().alpha() > 0
doAlign = QwtPainter.roundingAlignment(painter)
mapper = QwtPointMapper()
mapper.setBoundingRect(canvasRect)
mapper.setFlag(QwtPointMapper.RoundPoints, doAlign)
if self.__data.paintAttributes & self.FilterPoints:
if color.alpha() == 255\
and not (painter.renderHints() & QPainter.Antialiasing):
mapper.setFlag(QwtPointMapper.WeedOutPoints, True)
if doFill:
mapper.setFlag(QwtPointMapper.WeedOutPoints, False)
points = mapper.toPointsF(xMap, yMap, self.data(), from_, to)
QwtPainter.drawPoints(painter, points)
self.fillCurve(painter, xMap, yMap, canvasRect, points)
elif self.__data.paintAttributes & self.ImageBuffer:
image = mapper.toImage(xMap, yMap, self.data(), from_, to,
self.__data.pen,
painter.testRenderHint(QPainter.Antialiasing),
self.renderThreadCount())
painter.drawImage(canvasRect.toAlignedRect(), image)
elif self.__data.paintAttributes & self.MinimizeMemory:
series = self.data()
for i in range(from_, to+1):
sample = series.sample(i)
xi = xMap.transform(sample.x())
yi = yMap.transform(sample.y())
if doAlign:
xi = round(xi)
yi = round(yi)
QwtPainter.drawPoint(painter, QPointF(xi, yi))
else:
if doAlign:
points = mapper.toPoints(xMap, yMap, self.data(), from_, to)
QwtPainter.drawPoints(painter, points)
else:
points = mapper.toPointsF(xMap, yMap, self.data(), from_, to)
QwtPainter.drawPoints(painter, points)