本文整理汇总了Python中qwt.painter.QwtPainter.drawPolygon方法的典型用法代码示例。如果您正苦于以下问题：Python QwtPainter.drawPolygon方法的具体用法？Python QwtPainter.drawPolygon怎么用？Python QwtPainter.drawPolygon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.drawPolygon方法的6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: qwtDrawHexagonSymbols
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def qwtDrawHexagonSymbols(painter, points, numPoints, symbol):
painter.setBrush(symbol.brush())
painter.setPen(symbol.pen())
cos30 = np.cos(30*np.pi/180.)
dx = .5*(symbol.size().width()-cos30)
dy = .25*symbol.size().height()
doAlign = QwtPainter.roundingAlignment(painter)
for pos in points:
if doAlign:
x = round(pos.x())
y = round(pos.y())
x1 = np.ceil(x-dx)
y1 = np.ceil(y-2*dy)
else:
x = pos.x()
y = pos.y()
x1 = x-dx
y1 = y-2*dy
x2 = x1+1*dx
x3 = x1+2*dx
y2 = y1+1*dy
y3 = y1+3*dy
y4 = y1+4*dy
hexa = [QPointF(x2, y1), QPointF(x3, y2), QPointF(x3, y3),
QPointF(x2, y4), QPointF(x1, y3), QPointF(x1, y2)]
QwtPainter.drawPolygon(painter, QPolygonF(hexa))示例2: qwtDrawTriangleSymbols
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def qwtDrawTriangleSymbols(painter, type, points, numPoint, symbol):
size =symbol.size()
pen = QPen(symbol.pen())
pen.setJoinStyle(Qt.MiterJoin)
painter.setPen(pen)
painter.setBrush(symbol.brush())
doAlign = QwtPainter.roundingAlignment(painter)
sw2 = .5*size.width()
sh2 = .5*size.height()
if doAlign:
sw2 = np.floor(sw2)
sh2 = np.floor(sh2)
for pos in points:
x = pos.x()
y = pos.y()
if doAlign:
x = round(x)
y = round(y)
x1 = x-sw2
x2 = x1+size.width()
y1 = y-sh2
y2 = y1+size.height()
if type == QwtTriangle.Left:
triangle = [QPointF(x2, y1), QPointF(x1, y), QPointF(x2, y2)]
elif type == QwtTriangle.Right:
triangle = [QPointF(x1, y1), QPointF(x2, y), QPointF(x1, y2)]
elif type == QwtTriangle.Up:
triangle = [QPointF(x1, y2), QPointF(x, y1), QPointF(x2, y2)]
elif type == QwtTriangle.Down:
triangle = [QPointF(x1, y1), QPointF(x, y2), QPointF(x2, y1)]
QwtPainter.drawPolygon(painter, QPolygonF(triangle))示例3: qwtDrawDiamondSymbols
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def qwtDrawDiamondSymbols(painter, points, numPoints, symbol):
size =symbol.size()
pen = QPen(symbol.pen())
pen.setJoinStyle(Qt.MiterJoin)
painter.setPen(pen)
painter.setBrush(symbol.brush())
if QwtPainter.roundingAlignment(painter):
for pos in points:
x = round(pos.x())
y = round(pos.y())
x1 = x-size.width()//2
y1 = y-size.height()//2
x2 = x1+size.width()
y2 = y1+size.height()
polygon = QPolygonF()
polygon += QPointF(x, y1)
polygon += QPointF(x1, y)
polygon += QPointF(x, y2)
polygon += QPointF(x2, y)
QwtPainter.drawPolygon(painter, polygon)
else:
for pos in points:
x1 = pos.x()-.5*size.width()
y1 = pos.y()-.5*size.height()
x2 = x1+size.width()
y2 = y1+size.height()
polygon = QPolygonF()
polygon += QPointF(pos.x(), y1)
polygon += QPointF(x1, pos.y())
polygon += QPointF(pos.x(), y2)
polygon += QPointF(x2, pos.y())
QwtPainter.drawPolygon(painter, polygon)示例4: fillCurve
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def fillCurve(self, painter, xMap, yMap, canvasRect, polygon):
"""
Fill the area between the curve and the baseline with
the curve brush
:param QPainter painter: Painter
:param qwt.scale_map.QwtScaleMap xMap: Maps x-values into pixel coordinates.
:param qwt.scale_map.QwtScaleMap yMap: Maps y-values into pixel coordinates.
:param QRectF canvasRect: Contents rectangle of the canvas
:param QPolygonF polygon: Polygon - will be modified !
.. seealso::
:py:meth:`setBrush()`, :py:meth:`setBaseline()`,
:py:meth:`setStyle()`
"""
if self.__data.brush.style() == Qt.NoBrush:
return
self.closePolyline(painter, xMap, yMap, polygon)
if polygon.count() <= 2:
return
brush = self.__data.brush
if not brush.color().isValid():
brush.setColor(self.__data.pen.color())
if self.__data.paintAttributes & self.ClipPolygons:
polygon = QwtClipper().clipPolygonF(canvasRect, polygon, True)
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(brush)
QwtPainter.drawPolygon(painter, polygon)
painter.restore()示例5: fillCurve
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def fillCurve(self, painter, xMap, yMap, canvasRect, polygon):
if self.__data.brush.style() == Qt.NoBrush:
return
self.closePolyline(painter, xMap, yMap, polygon)
if polygon.count() <= 2:
return
brush = self.__data.brush
if not brush.color().isValid():
brush.setColor(self.__data.pen.color())
if self.__data.paintAttributes & self.ClipPolygons:
polygon = QwtClipper().clipPolygonF(canvasRect, polygon, True)
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(brush)
QwtPainter.drawPolygon(painter, polygon)
painter.restore()示例6: qwtDrawStar2Symbols
# 需要导入模块: from qwt.painter import QwtPainter [as 别名]
# 或者: from qwt.painter.QwtPainter import drawPolygon [as 别名]
def qwtDrawStar2Symbols(painter, points, numPoints, symbol):
pen = QPen(symbol.pen())
if pen.width() > 1:
pen.setCapStyle(Qt.FlatCap)
pen.setJoinStyle(Qt.MiterJoin)
painter.setPen(pen)
painter.setBrush(symbol.brush())
cos30 = np.cos(30*np.pi/180.)
dy = .25*symbol.size().height()
dx = .5*symbol.size().width()*cos30/3.
doAlign = QwtPainter.roundingAlignment(painter)
for pos in points:
if doAlign:
x = round(pos.x())
y = round(pos.y())
x1 = round(x-3*dx)
y1 = round(y-2*dy)
else:
x = pos.x()
y = pos.y()
x1 = x-3*dx
y1 = y-2*dy
x2 = x1+1*dx
x3 = x1+2*dx
x4 = x1+3*dx
x5 = x1+4*dx
x6 = x1+5*dx
x7 = x1+6*dx
y2 = y1+1*dy
y3 = y1+2*dy
y4 = y1+3*dy
y5 = y1+4*dy
star = [QPointF(x4, y1), QPointF(x5, y2), QPointF(x7, y2),
QPointF(x6, y3), QPointF(x7, y4), QPointF(x5, y4),
QPointF(x4, y5), QPointF(x3, y4), QPointF(x1, y4),
QPointF(x2, y3), QPointF(x1, y2), QPointF(x3, y2)]
QwtPainter.drawPolygon(painter, QPolygonF(star))