def shape(self):
if self._stock_polygon == NodePolygon.Circle:
path = super().shape()
else:
path = QPainterPath()
path.addPolygon(self._node_polygon)
label_path = QPainterPath()
label_path.addRect(self._label_rect)
return path.united(label_path)
def calculate_draw_path(self):
path = QPainterPath()
path.addRect(int(self.x), int(self.y), int(self.w), int(self.h))
# second part only considered if different from first
if self.has2:
path2 = QPainterPath()
path2.addRect(int(self.x2), int(self.y2), int(self.w2), int(self.h2))
path = path.united(path2)
return path
def _create_key_path(steno_layout: StenoLayout, key: StenoKey) -> QPainterPath:
''' Creates the path for a key '''
key_width = steno_layout.key_width
key_height = steno_layout.key_height
pos_x = key.x * key_width
pos_y = key.y * key_height
width = key_width * key.width
height = key_height * key.height
is_round_top = key.is_round_top
is_round_bottom = key.is_round_bottom
# Figure out adjustments needed to add rounded parts
ellipse_height = min((width, height / 2))
pos_y = pos_y + ellipse_height / 2 if is_round_top else pos_y
if is_round_top and is_round_bottom:
height = height - ellipse_height
elif is_round_top or is_round_bottom:
height = height - ellipse_height / 2
# Construct the main key shape
key_path = QPainterPath()
key_path.addRect(pos_x, pos_y, width, height)
# Add on the rounded parts
if is_round_top:
key_top = QPainterPath()
key_top.addEllipse(pos_x, pos_y - ellipse_height / 2,
width, ellipse_height)
key_path = key_path.united(key_top)
if is_round_bottom:
key_bottom = QPainterPath()
key_bottom.addEllipse(pos_x, pos_y + height - ellipse_height / 2,
width, ellipse_height)
key_path = key_path.united(key_bottom)
return key_path
def calculate_draw_path(self):
path = QPainterPath()
corner = int(self.h / KEY_ROUNDNESS) if (self.w > self.h) else int(
self.w / KEY_ROUNDNESS)
path.addRoundedRect(int(self.x), int(self.y), int(self.w), int(self.h),
corner, corner)
# second part only considered if different from first
if self.has2:
path2 = QPainterPath()
path2.addRoundedRect(int(self.x2), int(self.y2), int(self.w2),
int(self.h2), corner, corner)
path = path.united(path2)
return path
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
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