def points_ra(self, lw=0):
r = self.r
R = self.R()
a = self.a
A = self.A()
la, La = self.arcFixes(lw)
return [ra2xy(r+lw, a+la), ra2xy(R-lw, a+La),
ra2xy(R-lw, A-La), ra2xy(r+lw, A-la)]
def points_ra(self, lw=0):
r = self.r
R = self.R()
a = self.a
A = self.A()
la, La = self.arcFixes(lw)
return [
ra2xy(r + lw, a + la),
ra2xy(R - lw, a + La),
ra2xy(R - lw, A - La),
ra2xy(r + lw, A - la)
]
def test_geometry_pos(self):
x0, y0 = 180, 180
r, dr = 10, 10
d = r + dr
pos = [[180, 160], [160, 160], [160, 180], [180, 180]]
for i in range(0, 3):
x, y = ra2xy(r, 90*i)
x += x0
y = y0 - y
assert QRect(pos[i][0], pos[i][1], d, d) == RingSegment(r, 90*i, dr, 90).geometry(x, y)
def test_geometry_pos(self):
x0, y0 = 180, 180
r, dr = 10, 10
d = r + dr
pos = [[180, 160], [160, 160], [160, 180], [180, 180]]
for i in range(0, 3):
x, y = ra2xy(r, 90 * i)
x += x0
y = y0 - y
assert QRect(pos[i][0], pos[i][1], d,
d) == RingSegment(r, 90 * i, dr, 90).geometry(x, y)
def text_bbox_scr(self, lw=0):
## Text: get inscribed circle center tr, and size of inscribed square in it
R = self.R()
ha = self.da / 2
hr = self.dr / 2
hra = R - R / (1 + sin(radians(ha)))
tr = min(hr, hra) if ha < 90 else hr
tr -= lw
ta = tr / sqrt(2)
l, t = self.topLeft_ra()
cx, cy = ra2xy(R - tr, ha + self.a)
qr = QRect(cx - ta - l, t - cy - ta, 2 * ta, 2 * ta)
return qr
def text_bbox_scr(self, lw=0):
## Text: get inscribed circle center tr, and size of inscribed square in it
R = self.R()
ha = self.da/2
hr = self.dr/2
hra = R - R/(1 + sin(radians(ha)))
tr = min(hr, hra) if ha < 90 else hr
tr -= lw
ta = tr / sqrt(2)
l, t = self.topLeft_ra()
cx, cy = ra2xy(R-tr, ha+self.a)
qr = QRect(cx-ta-l, t-cy-ta, 2*ta, 2*ta)
return qr
def doLayout(self, center):
# WARNING: case of empty list -- len([]) == 0
a = float(360) / max(1, len(self.sectors))
for i, wrapper in enumerate(self.sectors):
item = wrapper.item
wdg = item.widget()
sp = self.spacing() # may be linear or angle
segment = RingSegment(self.r, a*i + sp/2., self.dr, a - sp)
x, y = ra2xy(self.r, a*i)
wdg.setGeometry(segment.geometry(center.x() + x, center.y() - y))
wdg.gPath = segment.path()
wdg.gText = segment.text_bbox_scr()
wdg.setMask(segment.region())
def test_ra2xy(self):
assert similar([0, 10], ra2xy(10, 90))
assert similar([8.66, 5], ra2xy(10, 30))
