本文整理汇总了Python中AnyQt.QtGui.QPainterPath.addPolygon方法的典型用法代码示例。如果您正苦于以下问题：Python QPainterPath.addPolygon方法的具体用法？Python QPainterPath.addPolygon怎么用？Python QPainterPath.addPolygon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AnyQt.QtGui.QPainterPath的用法示例。
在下文中一共展示了QPainterPath.addPolygon方法的2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: arrow_path_concave
# 需要导入模块: from AnyQt.QtGui import QPainterPath [as 别名]
# 或者: from AnyQt.QtGui.QPainterPath import addPolygon [as 别名]
def arrow_path_concave(line, width):
"""
Return a :class:`QPainterPath` of a pretty looking arrow.
"""
path = QPainterPath()
p1, p2 = line.p1(), line.p2()
if p1 == p2:
return path
baseline = QLineF(line)
# Require some minimum length.
baseline.setLength(max(line.length() - width * 3, width * 3))
start, end = baseline.p1(), baseline.p2()
mid = (start + end) / 2.0
normal = QLineF.fromPolar(1.0, baseline.angle() + 90).p2()
path.moveTo(start)
path.lineTo(start + (normal * width / 4.0))
path.quadTo(mid + (normal * width / 4.0),
end + (normal * width / 1.5))
path.lineTo(end - (normal * width / 1.5))
path.quadTo(mid - (normal * width / 4.0),
start - (normal * width / 4.0))
path.closeSubpath()
arrow_head_len = width * 4
arrow_head_angle = 50
line_angle = line.angle() - 180
angle_1 = line_angle - arrow_head_angle / 2.0
angle_2 = line_angle + arrow_head_angle / 2.0
points = [p2,
p2 + QLineF.fromPolar(arrow_head_len, angle_1).p2(),
baseline.p2(),
p2 + QLineF.fromPolar(arrow_head_len, angle_2).p2(),
p2]
poly = QPolygonF(points)
path_head = QPainterPath()
path_head.addPolygon(poly)
path = path.united(path_head)
return path示例2: arrow_path_plain
# 需要导入模块: from AnyQt.QtGui import QPainterPath [as 别名]
# 或者: from AnyQt.QtGui.QPainterPath import addPolygon [as 别名]
def arrow_path_plain(line, width):
"""
Return an :class:`QPainterPath` of a plain looking arrow.
"""
path = QPainterPath()
p1, p2 = line.p1(), line.p2()
if p1 == p2:
return path
baseline = QLineF(line)
# Require some minimum length.
baseline.setLength(max(line.length() - width * 3, width * 3))
path.moveTo(baseline.p1())
path.lineTo(baseline.p2())
stroker = QPainterPathStroker()
stroker.setWidth(width)
path = stroker.createStroke(path)
arrow_head_len = width * 4
arrow_head_angle = 50
line_angle = line.angle() - 180
angle_1 = line_angle - arrow_head_angle / 2.0
angle_2 = line_angle + arrow_head_angle / 2.0
points = [
p2,
p2 + QLineF.fromPolar(arrow_head_len, angle_1).p2(),
p2 + QLineF.fromPolar(arrow_head_len, angle_2).p2(),
p2,
]
poly = QPolygonF(points)
path_head = QPainterPath()
path_head.addPolygon(poly)
path = path.united(path_head)
return path