class Shape(): def __init__(self, nbp, list_of_points): self.shape = QPolygonF(nbp) for i in range(nbp): pt = list_of_points[i] self.shape.replace(i, QPointF(pt[0], pt[1])) self.nbp = nbp
def drawPolygon(self, refPolygon, painter):
# Scale coordinates
draw = QPolygonF(refPolygon.size())
for i in range(refPolygon.size()):
curr = QPointF()
curr.setX(self.refToScreenX(refPolygon.at(i).x()))
curr.setY(self.refToScreenY(refPolygon.at(i).y()))
draw.replace(i, curr)
painter.drawPolygon(draw)
def rotatePolygonClockWiseRad(self, p: QPolygonF, angle, origin):
'''
Rotate a polygon around a point
:param p: polygon to rotate
:param origin: the rotation center
:param angle: rotation angle, in radians
:return p: Polygon p rotated by angle around the origin point
'''
for i in range(p.size()):
curr = p.at(i)
x = curr.x()
y = curr.y()
curr.setX(((cos(angle) * (x-origin.x())) + (-sin(angle) * (y-origin.y()))) + origin.x())
curr.setY(((sin(angle) * (x-origin.x())) + (cos(angle) * (y-origin.y()))) + origin.y())
p.replace(i, curr)
def drawChangeIndicatorGauge(self, xRef, yRef, radius, expectedMaxChange, value, color, painter, solid):
# Draw the circle
circlePen = QPen(Qt.SolidLine)
if solid == False:
circlePen.setStyle(Qt.DotLine)
circlePen.setColor(self.defaultColor)
circlePen.setWidth(self.refLineWidthToPen(2.0))
painter.setBrush(Qt.NoBrush)
painter.setPen(circlePen)
self.drawCircle(xRef, yRef, radius, 200.0, 170.0, 1.5, color, painter)
label = '{:05.1f}'.format(value)
_textSize = radius / 2.5
# Draw the value
self.paintText(label, color, _textSize, xRef-_textSize*1.7, yRef-_textSize*0.4, painter)
# Draw the needle
# Scale the rotation so that the gauge does one revolution
# per max. change
_rangeScale = (2.0 * M_PI) / expectedMaxChange
_maxWidth = radius / 10.0
_minWidth = _maxWidth * 0.3
p = QPolygonF(6)
p.replace(0, QPointF(xRef-_maxWidth/2.0, yRef-radius * 0.5))
p.replace(1, QPointF(xRef-_minWidth/2.0, yRef-radius * 0.9))
p.replace(2, QPointF(xRef+_minWidth/2.0, yRef-radius * 0.9))
p.replace(3, QPointF(xRef+_maxWidth/2.0, yRef-radius * 0.5))
p.replace(4, QPointF(xRef, yRef-radius * 0.46))
p.replace(5, QPointF(xRef-_maxWidth/2.0, yRef-radius * 0.5))
self.rotatePolygonClockWiseRad(p, value*_rangeScale, QPointF(xRef, yRef))
indexBrush = QBrush()
indexBrush.setColor(self.defaultColor)
indexBrush.setStyle(Qt.SolidPattern)
painter.setPen(Qt.SolidLine)
painter.setPen(self.defaultColor)
painter.setBrush(indexBrush)
self.drawPolygon(p, painter)
