from chalk import *
from chalk.shapes.segment import Segment
from chalk.shapes.arc import ArcSegment
from colour import Color
import math
# d = Path([ArcSegment.arc_between(P2(0, 0), P2(2, 0), 1), ArcSegment.arc_between(P2(2, 0), P2(0, 0), 1)]).stroke()
# d = Primitive.from_shape(Path([Segment(P2(0, 0), P2(1, 1))]))
# d = Primitive.from_shape(Path([Segment(P2(0, 0), P2(1, 1)),
#                                Segment(P2(1, 1), P2(1, 2))]))

# d = Path([ArcSegment.arc_between(P2(0, 0), P2(2, 0), 1)]).stroke()
r = 0.2
b = 1 - r
rad = 0.2 / 4

a  = ArcSegment(10, 50).rotate(90)

a  = ArcSegment.arc_between(P2(-1, 0), P2(0, 1.0), 1)
# print(a.p, a.q, a.r_x, a.r_y, a.angle, a.tangle)

d = []

d += [circle(1).show_origin()]

d += [(Trail.rectangle(1, 1).centered().to_path() + Trail.rectangle(0.5, 0.5).reverse().centered().to_path()).stroke()]

d += [(Trail.circle(2).centered().to_path() + Trail.circle(1.0, False).centered().to_path()).stroke()]

d += [arc_seg(2*unit_x, 1).stroke().show_origin()]

d += [arc_seg(2*unit_x, -1).stroke().show_origin()]

d += [arc_seg(unit_x + unit_y, 1).stroke().show_origin()]

d += [arc_seg(unit_x + unit_y, 1).scale(-1).stroke().show_origin()]

d += [arc_seg(unit_x + unit_y, -1).stroke().show_origin()]

d += [arc_seg(2 * unit_x, 1).scale_y(0.5).rotate(45).stroke().show_origin()]


d += [rectangle(1, 5, 0.5), rectangle(5, 1, 0.25), rectangle(1, 1, 1)]


d += [Trail.rectangle(1, 1).stroke().center_xy().show_origin()]

d += [cat(
    [
        arc_seg_angle(180, 135).stroke().show_origin(),
        arc_seg_angle(180, 135).scale_x(-1).stroke().show_origin(),
        arc_seg_angle(180, 135).stroke().scale_x(-1).show_origin(),
    ],
    unit_x,
    sep=0.5
)]

d = vcat(d, sep=1.0)

d = d.fill_color(Color("blue"))

d.render_svg("examples/output/path.svg", height=300)
d.render_pdf("examples/output/path.pdf", height=300)
d.render("examples/output/path.png", height=300)