def __draw_point(self, i: int, vpoint: VPoint):
"""Draw a point."""
if vpoint.type in {VJoint.P, VJoint.RP}:
pen = QPen(QColor(*vpoint.color))
pen.setWidth(2)
# Draw slot point and pin point.
for j, (cx, cy) in enumerate(vpoint.c):
if not vpoint.links:
grounded = False
else:
grounded = vpoint.links[j] == 'ground'
# Slot point.
if j == 0 or vpoint.type == VJoint.P:
pen.setColor(Qt.black if self.monochrome else QColor(
*vpoint.color))
self.painter.setPen(pen)
cp = QPointF(cx, -cy) * self.zoom
jr = self.joint_size * (2 if j == 0 else 1)
rp = QPointF(jr, -jr)
self.painter.drawRect(QRectF(cp + rp, cp - rp))
if self.show_point_mark:
pen.setColor(Qt.darkGray)
self.painter.setPen(pen)
text = f"[Point{i}]"
if self.show_dimension:
text += f":({cx:.02f}, {cy:.02f})"
self.painter.drawText(cp + rp, text)
else:
self.draw_point(i, cx, cy, grounded, vpoint.color)
# Slider line
pen.setColor(QColor(*vpoint.color).darker())
self.painter.setPen(pen)
qline_m = QLineF(
QPointF(vpoint.c[1][0], -vpoint.c[1][1]) * self.zoom,
QPointF(vpoint.c[0][0], -vpoint.c[0][1]) * self.zoom)
nv = qline_m.normalVector()
nv.setLength(self.joint_size)
nv.setPoints(nv.p2(), nv.p1())
qline_1 = nv.normalVector()
qline_1.setLength(qline_m.length())
self.painter.drawLine(qline_1)
nv.setLength(nv.length() * 2)
nv.setPoints(nv.p2(), nv.p1())
qline_2 = nv.normalVector()
qline_2.setLength(qline_m.length())
qline_2.setAngle(qline_2.angle() + 180)
self.painter.drawLine(qline_2)
else:
self.draw_point(i, vpoint.cx, vpoint.cy, vpoint.grounded(),
vpoint.color)
# For selects function.
if self.select_mode == SelectMode.Joint and (i in self.selections):
pen = QPen(QColor(161, 16, 239))
pen.setWidth(3)
self.painter.setPen(pen)
self.painter.drawRect(vpoint.cx * self.zoom - 12,
vpoint.cy * -self.zoom - 12, 24, 24)
def __drawPoint(self, i: int, vpoint: VPoint):
"""Draw a point."""
if vpoint.type == 1 or vpoint.type == 2:
#Draw slider
silder_points = vpoint.c
for j, (cx, cy) in enumerate(silder_points):
if vpoint.type == 1:
if j == 0:
self._BaseCanvas__drawPoint(
i, cx, cy, vpoint.links[j] == 'ground',
vpoint.color)
else:
pen = QPen(vpoint.color)
pen.setWidth(2)
self.painter.setPen(pen)
r = 5
self.painter.drawRect(
QRectF(
QPointF(cx * self.zoom + r,
cy * -self.zoom + r),
QPointF(cx * self.zoom - r,
cy * -self.zoom - r)))
elif vpoint.type == 2:
if j == 0:
self._BaseCanvas__drawPoint(
i, cx, cy, vpoint.links[j] == 'ground',
vpoint.color)
else:
#Turn off point mark.
showPointMark = self.showPointMark
self.showPointMark = False
self._BaseCanvas__drawPoint(
i, cx, cy, vpoint.links[j] == 'ground',
vpoint.color)
self.showPointMark = showPointMark
pen = QPen(vpoint.color.darker())
pen.setWidth(2)
self.painter.setPen(pen)
x_all = tuple(cx for cx, cy in silder_points)
if x_all:
p_left = silder_points[x_all.index(min(x_all))]
p_right = silder_points[x_all.index(max(x_all))]
if p_left == p_right:
y_all = tuple(cy for cx, cy in silder_points)
p_left = silder_points[y_all.index(min(y_all))]
p_right = silder_points[y_all.index(max(y_all))]
self.painter.drawLine(
QPointF(p_left[0] * self.zoom, p_left[1] * -self.zoom),
QPointF(p_right[0] * self.zoom, p_right[1] * -self.zoom))
else:
self._BaseCanvas__drawPoint(i, vpoint.cx, vpoint.cy,
vpoint.grounded(), vpoint.color)
#For selects function.
if i in self.pointsSelection:
pen = QPen(QColor(161, 16, 239))
pen.setWidth(3)
self.painter.setPen(pen)
self.painter.drawRect(vpoint.cx * self.zoom - 12,
vpoint.cy * -self.zoom - 12, 24, 24)