def __draw_link(self, name: str, points: List[int]):
"""Draw link function.
The link color will be the default color.
"""
color = color_qt('Blue')
pen = QPen(color)
pen.setWidth(self.link_width)
self.painter.setPen(pen)
brush = QColor(226, 219, 190)
brush.setAlphaF(0.70)
self.painter.setBrush(brush)
qpoints = tuple(
QPointF(self.pos[i][0], -self.pos[i][1]) * self.zoom
for i in points if self.pos[i] and (not isnan(self.pos[i][0]))
)
if len(qpoints) == len(points):
self.painter.drawPolygon(*qpoints)
self.painter.setBrush(Qt.NoBrush)
if self.show_point_mark and (name != 'ground') and qpoints:
pen.setColor(Qt.darkGray)
self.painter.setPen(pen)
self.painter.setFont(QFont('Arial', self.font_size))
text = f"[{name}]"
cen_x = sum(self.pos[i][0] for i in points if self.pos[i])
cen_y = sum(self.pos[i][1] for i in points if self.pos[i])
self.painter.drawText(QPointF(cen_x, -cen_y) * self.zoom / len(points), text)
def drawLink(self, name: str, points: Tuple[int]):
"""Draw linkage function.
The link color will be the default color.
"""
color = colorQt('Blue')
pen = QPen(color)
pen.setWidth(self.linkWidth)
self.painter.setPen(pen)
brush = QColor(226, 219, 190)
brush.setAlphaF(0.70)
self.painter.setBrush(brush)
qpoints = tuple(
QPointF(self.Point[i][0] * self.zoom, self.Point[i][1] *
-self.zoom) for i in points
if self.Point[i] and not isnan(self.Point[i][0]))
if len(qpoints) == len(points):
self.painter.drawPolygon(*qpoints)
self.painter.setBrush(Qt.NoBrush)
if self.showPointMark and name != 'ground' and qpoints:
pen.setColor(Qt.darkGray)
self.painter.setPen(pen)
self.painter.setFont(QFont('Arial', self.fontSize))
text = "[{}]".format(name)
cenX = sum(self.Point[i][0] for i in points if self.Point[i])
cenY = sum(self.Point[i][1] for i in points if self.Point[i])
cenX *= self.zoom / len(points)
cenY *= -self.zoom / len(points)
self.painter.drawText(QPointF(cenX, cenY), text)
def __drawLink(self, vlink: VLink):
"""Draw a link."""
points = []
for i in vlink.points:
vpoint = self.Points[i]
if vpoint.type == 1 or vpoint.type == 2:
coordinate = vpoint.c[0 if
(vlink.name == vpoint.links[0]) else 1]
x = coordinate[0] * self.zoom
y = coordinate[1] * -self.zoom
else:
x = vpoint.cx * self.zoom
y = vpoint.cy * -self.zoom
points.append((x, y))
pen = QPen(vlink.color)
pen.setWidth(self.linkWidth)
self.painter.setPen(pen)
brush = QColor(226, 219, 190)
brush.setAlphaF(self.transparency)
self.painter.setBrush(brush)
#Rearrange: Put the nearest point to the next position.
qpoints = convex_hull(points)
if qpoints:
self.painter.drawPolygon(*qpoints)
self.painter.setBrush(Qt.NoBrush)
if ((not self.showPointMark) or (vlink.name == 'ground')
or (not qpoints)):
return
pen.setColor(Qt.darkGray)
self.painter.setPen(pen)
cenX = sum(p[0] for p in points) / len(points)
cenY = sum(p[1] for p in points) / len(points)
self.painter.drawText(QPointF(cenX, cenY), '[{}]'.format(vlink.name))
def __draw_link(self, vlink: VLink):
"""Draw a link."""
if vlink.name == 'ground' or (not vlink.points):
return
points = self.__points_pos(vlink)
pen = QPen()
# Rearrange: Put the nearest point to the next position.
qpoints = convex_hull(points, as_qpoint=True)
if (self.select_mode == SelectMode.Link
and self.vlinks.index(vlink) in self.selections):
pen.setWidth(self.link_width + 6)
pen.setColor(Qt.black if self.monochrome else QColor(161, 16, 239))
self.painter.setPen(pen)
self.painter.drawPolygon(*qpoints)
pen.setWidth(self.link_width)
pen.setColor(Qt.black if self.monochrome else QColor(*vlink.color))
self.painter.setPen(pen)
brush = QColor(Qt.darkGray) if self.monochrome else QColor(
226, 219, 190)
brush.setAlphaF(self.transparency)
self.painter.setBrush(brush)
self.painter.drawPolygon(*qpoints)
self.painter.setBrush(Qt.NoBrush)
if not self.show_point_mark:
return
pen.setColor(Qt.darkGray)
self.painter.setPen(pen)
p_count = len(points)
cen_x = sum(p[0] for p in points) / p_count
cen_y = sum(p[1] for p in points) / p_count
self.painter.drawText(QRectF(cen_x - 50, cen_y - 50, 100, 100),
Qt.AlignCenter, f'[{vlink.name}]')