def draw_filled_polygon(self, outline_pen_with=0):
if not self.scale_polygon_colors == None:
painter_filled_polygon = QPainter(self)
painter_filled_polygon.setRenderHint(QPainter.Antialiasing)
# Koordinatenursprung in die Mitte der Flaeche legen
painter_filled_polygon.translate(self.width() / 2, self.height() / 2)
painter_filled_polygon.setPen(Qt.NoPen)
self.pen.setWidth(outline_pen_with)
if outline_pen_with > 0:
painter_filled_polygon.setPen(self.pen)
colored_scale_polygon = self.create_polygon_pie(
((self.widget_diameter / 2) - (self.pen.width() / 2)) * self.gauge_color_outer_radius_factor,
(((self.widget_diameter / 2) - (self.pen.width() / 2)) * self.gauge_color_inner_radius_factor),
self.scale_angle_start_value, self.scale_angle_size)
gauge_rect = QRect(QPoint(0, 0), QSize(self.widget_diameter / 2 - 1, self.widget_diameter - 1))
grad = QConicalGradient(QPointF(0, 0), - self.scale_angle_size - self.scale_angle_start_value +
self.angle_offset - 1)
# todo definition scale color as array here
for eachcolor in self.scale_polygon_colors:
grad.setColorAt(eachcolor[0], eachcolor[1])
# grad.setColorAt(.00, Qt.red)
# grad.setColorAt(.1, Qt.yellow)
# grad.setColorAt(.15, Qt.green)
# grad.setColorAt(1, Qt.transparent)
painter_filled_polygon.setBrush(grad)
# self.brush = QBrush(QColor(255, 0, 255, 255))
# painter_filled_polygon.setBrush(self.brush)
painter_filled_polygon.drawPolygon(colored_scale_polygon)
def rebuildDataBrushIfNeeded(self):
if not self.m_rebuildBrush or not self.m_gradientData:
return
self.m_rebuildBrush = False
p = self.palette()
dataBrush = QConicalGradient(QPointF(0.5, 0.5), self.m_nullPosition)
dataBrush.setCoordinateMode(QGradient.StretchToDeviceMode)
for i in range(0, len(self.m_gradientData)):
dataBrush.setColorAt(1 - self.m_gradientData[i][0],
self.m_gradientData[i][1])
p.setBrush(QPalette.Highlight, dataBrush)
self.setPalette(p)