def test_rectangle():
from zyxxy_shape_functions import draw_a_rectangle, clone_a_shape
from zyxxy_canvas import create_canvas_and_axes
from zyxxy_utils import is_the_same_contour #, is_the_same_point
axes = create_canvas_and_axes(canvas_width = 18, canvas_height = 12)
def compare_contours(s1, s2, **kwargs):
global n
p1 = s1.get_xy() if isinstance(s1, Shape) else s1
p2 = s2.get_xy() if isinstance(s2, Shape) else s2
assert is_the_same_contour(p1=p1, p2=p2, **kwargs), "failed test " + str(n)
print("succeeded test " + str(n))
n+=1
# same rectangle, then with 0 turn, then stretched and turned, then with alternative diamonds
r = draw_a_rectangle(ax=axes, centre_x=5, centre_y=15, width=10, height=2)
r0 = draw_a_rectangle(ax=axes, centre_x=5, centre_y=15, width=10, height=2, turn=0)
r2 = clone_a_shape(r)
r2.stretch(stretch_x=1/5, stretch_y=5)
r2.turn(turn=3)
r3 = draw_a_rectangle(ax=axes, left=0, top=16, width=10, height=2)
r4 = draw_a_rectangle(ax=axes, right=10, bottom=14, width=10, height=2)
for other_r, kwargs in [[r0, {}], [r2, {'start_1':1}], [r3, {}], [r4, {}]]:
try:
compare_contours(s1=r, s2=other_r, **kwargs)
except:
raise Exception(n, r.get_xy())
# make sure shift works
for other_r_init in [r, r3, r4]:
other_r = clone_a_shape(other_r_init)
other_r.shift(shift=[101, 202])
compare_contours(s1=r.get_xy() + [101, 202], s2=other_r)
# make sure flipping works
r001 = clone_a_shape(r) ; r001.flip_upside_down()
r301 = clone_a_shape(r3); r301.flip_upside_down()
r401 = clone_a_shape(r4); r401.flip_upside_down()
compare_contours(r001.get_xy() + [0, 2], r301.get_xy())
compare_contours(r001.get_xy() + [0,-2], r401.get_xy())
# make sure rotation works
r31 = clone_a_shape(r3); r31.turn(turn=6)
r41 = clone_a_shape(r4); r41.turn(turn=6)
compare_contours(r31.get_xy() + [20, -4], r41.get_xy())
# make sure parameters update works
r502 = clone_a_shape(r); r502.stretch(stretch_x=1/5, stretch_y=50)
r5033 = clone_a_shape(r);r5033.update_shape_parameters(width=2, height=100)
compare_contours(r5033, r502)
with pytest.raises(Exception):
x = 1 / 0
def example_us_flag(axes=None):
create_canvas_and_axes(canvas_width = 19*13*2, canvas_height = 10*13*2, axes=axes)
for stripe_nb in range(7):
draw_a_rectangle(centre_x=19*13, centre_y=10+2*20*stripe_nb, width=19*13*2, height=20, colour='red')
draw_a_rectangle(centre_x=100, centre_y=190, width=200, height=140, colour='navy')
for row in range(9): # there are 9 rows of stars
# let's define how many stars are in this row
# and where is the centre_x of the first star
if row%2==0: # if row number is even
stars_qty=6
first_star_centre_x = 15
else: # if row number is odd
stars_qty=5
first_star_centre_x = 33
# centre_y=260-(row+1)*14 because we are counting star rows from the top
for column in range(stars_qty):
draw_a_star(centre_x=first_star_centre_x+column*34, centre_y=260-(row+1)*14, radius_1=9, radius_2=3, ends_qty=5, colour='white')
show_drawing_and_save_if_needed()
def example_cuban_flag(axes=None): create_canvas_and_axes(canvas_width=30, canvas_height=20, axes=axes) draw_a_rectangle(left=0, centre_y=10, width=30, height=4, colour='blue') draw_a_rectangle(left=0, bottom=0, width=30, height=4, colour='blue') draw_a_rectangle(left=0, top=20, width=30, height=4, colour='blue') draw_a_triangle(tip_x=17, tip_y=10, width=20, height=17, colour='red', turn=9) draw_a_star(centre_x=6, centre_y=10, radius_1=3, radius_2=1, ends_qty=5, colour='white') show_drawing_and_save_if_needed()
def example_croc(axes=None):
#########################################################
## CREATING THE DRAWING! ##
#########################################################
# Creating the canvas! ##
axes = create_canvas_and_axes(canvas_width = 190,
canvas_height = 100,
background_colour = 'PastelBlue',
axes = axes)
#######################################################
# Now let's draw the shapes! ##
left_body = 30
bottom_body = 30
right_body = 120
right_head = 180
top_body = 50
top_head = bottom_body+15
tail_right = 35 + left_body
tail_width = 10
centre_backside = 50
r_nostrils = 3
lip_y = 0.5 * (top_head + bottom_body)
lip_r = 3
teeth_length = 5
nb_teeth = 7
leg_width = 10
leg_length = 15
feet_height = 5
feel_length = 20
#######################################################
# Now let's draw the shapes! ##
set_default_patch_style(colour='BrightGreen')
# legs
leg_layer_nb = new_layer()
for shift, colour in [[0, 'green'], [-17, 'BrightGreen']]:
for x in [50, 100]:
# draw a leg
draw_a_rectangle(ax=axes, left=x+shift, top=bottom_body, height=leg_length, width=leg_width, colour=colour)
# draw a feet
draw_a_sector(ax=axes, centre_x=x+shift+feel_length/2, centre_y=bottom_body-leg_length, radius=feel_length/2, stretch_y=feet_height/(feel_length/2), angle_start=9, angle_end=15, colour=colour)
# body
body_layer_nb = new_layer()
draw_a_rectangle(ax=axes, left=left_body, bottom=bottom_body, height=top_body-bottom_body, width=right_body-left_body)
# backside
backside_clip_contour = build_a_circle(radius=centre_backside-bottom_body) + [left_body, centre_backside]
draw_a_sector( ax=axes, centre_x=left_body,
centre_y=(2*centre_backside-bottom_body-tail_width+top_body)/2,
radius=(2*centre_backside-bottom_body-tail_width+top_body)/2-bottom_body,
radius_2=(2*centre_backside-bottom_body-tail_width-top_body)/2,
angle_start=6, angle_end=12, clip_outline=backside_clip_contour)
# tail
draw_a_rectangle(ax=axes, left=left_body, top=2*centre_backside-bottom_body, height=tail_width, width=tail_right-left_body)
draw_a_sector(ax=axes, centre_x=tail_right, centre_y=2*centre_backside-bottom_body, radius=tail_width,angle_start=3, angle_end=6)
# lower teeth and jaw
upper_teeth = build_a_zigzag(width=right_head - (right_body-lip_r), height=teeth_length, angle_start=3, nb_segments=2*nb_teeth) + [right_body-lip_r, lip_y]
lower_teeth = upper_teeth[1:-1] + [0, teeth_length]
draw_a_polygon(ax=axes, contour=lower_teeth, colour='white')
draw_a_rectangle(ax=axes, left=right_body, bottom=bottom_body, height=lip_y-bottom_body, width=right_head-right_body)
# upper jaw
upper_jaw_layer_nb = new_layer()
draw_a_rectangle(ax=axes, left=right_body, bottom=lip_y, height=top_head-lip_y, width=right_head-right_body)
# ... and the eyes, white circles with black circles on top
eye_y = top_body
for radius, colour in [[8, 'BrightGreen'], [5, 'white'], [3, 'black']]:
for eye_x in [right_body, right_body+12]:
draw_a_circle(ax=axes, centre_x=eye_x, centre_y=eye_y, radius=radius, colour=colour)
# ... and the eyelids. Saving them in array for future use
eyelids = []
eyelid_width = 12
for eye_x in [right_body, right_body+12]:
for td in [-1, 1]:
mid_y = td * eyelid_width / 2
eyelid = draw_an_eye(ax=axes, centre_x=eye_x, centre_y=eye_y, width=eyelid_width, depth_1=mid_y, depth_2=mid_y, colour='green')
eyelids.append(eyelid)
# ... and the nostrils
nostril_y = top_head
for nostril_x in [right_head-r_nostrils, right_head-3*r_nostrils]:
draw_a_circle(ax=axes, centre_x=nostril_x, centre_y=nostril_y, radius=r_nostrils)
draw_a_circle(ax=axes, centre_x=nostril_x, centre_y=nostril_y, radius=1, colour='green')
# ... and the teeth and the lip
# teeth
draw_a_polygon(ax=axes, contour=upper_teeth, colour='white')
# upper lip
lipline_arc = build_an_arc(radius=lip_r, angle_start=6, angle_end=9) + [right_body-lip_r, lip_y+lip_r]
lipline = link_contours([[right_head, lip_y]], lipline_arc)
draw_a_broken_line(ax=axes, contour=lipline, colour='green', linewidth=2)
upper_jaw_diamond = [right_body-lip_r, lip_y+lip_r]
return leg_layer_nb, body_layer_nb, upper_jaw_layer_nb, eyelids, upper_jaw_diamond
def example_yellow_cat(axes=None, cat_colour = 'Yellow', background_colour = 'SeaWave'):
#######################################################
## CREATING THE DRAWING! ##
#######################################################
## Creating the canvas! ##
axes = create_canvas_and_axes(canvas_width = 120,
canvas_height = 120,
background_colour = background_colour,
axes = axes,
make_symmetric = 'x')
#######################################################
# Now let's draw the shapes! ##
# settings
set_default_outline_style(linewidth=2)
set_default_line_style(linewidth=2)
set_default_patch_style(colour=cat_colour)#darkorange
# the tail
tail_length = [30, 22, 20, 12, 10]
for i, tl in enumerate(tail_length):
triangle_tail = draw_a_triangle(ax=axes, tip_x=38, tip_y=30, height=tl, width=tl/2, turn=7)
if i%2 == 1:
triangle_tail.set_style(colour='black')
# the body
height_body = [60, 57, 54, 38, 35, 19, 16]
for i, bh in enumerate(height_body):
triangle_body = draw_a_triangle(ax=axes, tip_x=0, tip_y=60, height=bh, width=bh, turn=6)
if i%2 == 1:
triangle_body.set_style(colour='black')
# the feet
draw_a_triangle(ax=axes, tip_x=-12, tip_y=20, height=20, width=20, turn=6)
draw_a_triangle(ax=axes, tip_x= 12, tip_y=20, height=20, width=20, turn=6)
head_layer = new_layer()
# the ears
et = 4.5
draw_a_triangle(ax=axes, tip_x=-30, tip_y=114, height=50, width=30, turn=et)
draw_a_triangle(ax=axes, tip_x=-22, tip_y=106, height=40, width=24, colour='black', turn=et)
draw_a_triangle(ax=axes, tip_x= 30, tip_y=114, height=50, width=30, turn=-et)
draw_a_triangle(ax=axes, tip_x= 22, tip_y=106, height=40, width=24, colour='black', turn=-et)
#head
head_circle = draw_a_circle(ax=axes, centre_x=0, centre_y=85, radius=25)
#from this line, the default colour is black
set_default_patch_style(colour='black')
# neck
draw_a_circle(ax=axes, centre_x=0, centre_y=60, radius=1)
neck_coords = [0, 60]
# stripes on the face
# vertical stripes
for c, b in [[-10, 101], [-5, 100], [0, 101]]:
draw_a_rectangle(ax=axes, centre_x=c, bottom=b, width=3, height=20, clip_outline = head_circle)
# horizontal stripes
for c, x in [[70, 16], [75, 15], [80, 18]]:
draw_a_rectangle(ax=axes, right=-x, centre_y=c, width=20, height=3, clip_outline = head_circle)
draw_a_rectangle(ax=axes, left=+x, centre_y=c, width=20, height=3, clip_outline = head_circle)
# eyes
eyes = []
for centre_x in [-12, 12]:
eye_white= draw_an_eye(ax=axes, centre_x=centre_x, centre_y=90, width=16, depth_1=-8, depth_2=8, colour='white')
draw_an_ellipse(ax=axes, centre_x=centre_x, centre_y=90, width=8, height=16, colour='BrightGreen', clip_outline = eye_white)
draw_a_circle(ax=axes, centre_x=centre_x, centre_y=90, radius=3, colour='black', clip_outline = eye_white)
# the following line is needed for animation
eyes.append(eye_white)
# nose
draw_a_triangle(ax=axes, tip_x=0, tip_y=72, height=8, width=10, colour='BubblePink')
# smile
draw_a_segment(ax=axes, start_x=0, start_y=72, length=7, turn=6)
smile = draw_a_smile(ax=axes, centre_x=0, centre_y=69, depth=4, width=20)
return head_layer, neck_coords, eyes, smile
from zyxxy_canvas import create_canvas_and_axes, show_drawing_and_save_if_needed
from zyxxy_all_EXAMPLES import example_british_flag
from zyxxy_shape_functions import draw_a_rectangle
#######################################################
# Creating the canvas! ##
create_canvas_and_axes(canvas_width = 18,
canvas_height = 12,
tick_step = 1,
title = "Flag Of The U.K.",
model = example_british_flag,
outlines_colour = "cyan")
#######################################################
# Now let's draw the shapes! ##
draw_a_rectangle(centre_x=9, centre_y=2, width=22, height=1, colour='red', turn=1)
draw_a_rectangle(centre_x=3, centre_y=2, width=22, height=2, colour='red', turn=3)
draw_a_rectangle(centre_x=9, centre_y=6, width=8, height=6, colour='navy')
draw_a_rectangle(centre_x=9, centre_y=6, width=22, height=3, colour='white', turn=6)
show_drawing_and_save_if_needed()
def example_british_flag(axes=None): create_canvas_and_axes(canvas_width=18, canvas_height=12, axes=axes) draw_a_rectangle(centre_x=9, centre_y=6, width=18, height=12, colour='navy') draw_a_rectangle(centre_x=9, centre_y=6, width=22, height=3, colour='white', turn=7) draw_a_rectangle(centre_x=9, centre_y=6, width=22, height=1, colour='red', turn=7) draw_a_rectangle(centre_x=9, centre_y=6, width=22, height=3, colour='white', turn=5) draw_a_rectangle(centre_x=9, centre_y=6, width=22, height=1, colour='red', turn=5) draw_a_rectangle(centre_x=9, centre_y=6, width=18, height=4, colour='white') draw_a_rectangle(centre_x=9, centre_y=6, width=4, height=12, colour='white') draw_a_rectangle(centre_x=9, centre_y=6, width=18, height=2, colour='red') draw_a_rectangle(centre_x=9, centre_y=6, width=2, height=12, colour='red') show_drawing_and_save_if_needed()
def example_finnish_flag(axes=None): create_canvas_and_axes(canvas_width=36, canvas_height=22, axes=axes) draw_a_rectangle(centre_x=13, bottom=0, width=6, height=22, colour='midnightblue') draw_a_rectangle(left=0, centre_y=11, width=36, height=6, colour='midnightblue') show_drawing_and_save_if_needed()
from zyxxy_canvas import create_canvas_and_axes, show_drawing_and_save_if_needed
from zyxxy_all_EXAMPLES import example_cuban_flag
from zyxxy_shape_functions import draw_a_triangle, draw_a_rectangle, draw_a_star
#######################################################
# Creating the canvas! ##
create_canvas_and_axes( canvas_width = 30,
canvas_height = 20,
tick_step = 2,
title = "Flag Of Cuba",
model = example_cuban_flag,
outlines_colour = "cyan")
#######################################################
# Now let's draw the shapes! ##
draw_a_triangle(tip_x=5, tip_y=10, width=20, height=17, colour='red', turn=3)
draw_a_rectangle(centre_x=15, centre_y=12, width=30, height=4, colour='blue')
draw_a_star(centre_x=15, centre_y=8, radius_1=3, radius_2=1, ends_qty=8, colour='white')
show_drawing_and_save_if_needed()
# grass
for i in range(25):
draw_a_triangle(tip_x=aquarium_side + 2 + i / 3,
tip_y=height_ground + height_grass,
width=0.5,
height=height_grass,
colour='springgreen',
turn=6,
opacity=0.7)
set_default_outline_style(linewidth=2)
# a table
draw_a_rectangle(left=0,
bottom=0,
width=width,
height=height_ground,
colour='MidBrown')
# an aquarium
draw_a_square(left=0,
bottom=height_ground,
side=aquarium_side,
colour='PastelBlue')
# fish
draw_a_crescent(centre_x=10,
centre_y=13,
width=8,
depth_1=1,
depth_2=-1,
title = "Excited Cat",
model = 'https://i.pinimg.com/564x/de/21/fd/de21fdb9fa70d9d54ce7e4c0f07910d5.jpg',
model_zoom = 1.3,
background_colour='aliceblue')
#######################################################
# Now let's draw the shapes! ##
# the body
set_default_patch_style(colour="yellow", layer_nb=2)
set_default_outline_style(linewidth=4, layer_nb=1)
body = draw_an_egg(ax=ax, power=3, height_widest_point=3, width=4, height=5, tip_x=0, tip_y=14, stretch_x=3, stretch_y=-3)
for y in [1.5, 6, 10.5]:
draw_a_rectangle(ax=ax, width=16, height=2, centre_x=0, centre_y=y, opacity=0.3, clip_outline=body, colour='orange', outline_linewidth=0)
# the head
set_default_patch_style( layer_nb=4)
set_default_outline_style(layer_nb=3)
head = draw_a_circle(ax=ax, centre_x=0, centre_y=14, radius=4.2)
# the ears, using the "eye" shape
draw_a_crescent(ax=ax, width=6, depth_1=1, depth_2=3, centre_x=-4, centre_y=16, turn=9)
draw_a_crescent(ax=ax, width=6, depth_1=1, depth_2=3, centre_x=4, centre_y=16, turn=3)
new_layer()
# the stripes
body_shape[:, 1] += body_height + body_bottom
body = draw_a_polygon(contour=body_shape)
#gradient rectangles
gradient_colours = create_gradient_colours(rgb_start=[0, 0, 255],
rgb_end=(255, 0, 255))
gradient_bottom = body_bottom - tail_coeff * tail_height
grh = (ear_height + body_height +
tail_coeff * tail_height) / (len(gradient_colours) - 1)
for i, gc in enumerate(gradient_colours):
draw_a_rectangle(width=30,
height=grh,
centre_x=0,
centre_y=gradient_bottom + i * grh,
opacity=1,
clip_outline=body,
colour=gc,
outline_linewidth=0)
draw_a_rectangle(width=30,
height=grh,
centre_x=0,
centre_y=gradient_bottom + i * grh,
opacity=1,
clip_outline=tail_shape,
colour=gc,
outline_linewidth=0)
# a vertical line
draw_a_segment(start_x=0, start_y=eye_y, turn=6, length=1.5)
#######################################################
# Creating the canvas! ##
create_canvas_and_axes(canvas_width=19 * 13 * 2,
canvas_height=10 * 13 * 2,
tick_step=50,
title="Flag Of The U.S.A.",
model=example_us_flag)
#set_diamond_size_factor(0.75)
#######################################################
# Now let's draw the shapes! ##
for stripe_nb in range(3):
draw_a_rectangle(left=0,
centre_y=15 + 30 * stripe_nb,
width=19 * 13 * 2,
height=15,
colour='red')
draw_a_rectangle(left=0, centre_y=190, width=90, height=80, colour='navy')
for row in range(7): # there are 9 rows of stars
# let's define how many stars are in this row
# and where is the centre_x of the first star
if row % 2 == 0: # if row number is even
stars_qty = 9
first_star_centre_x = 15
else: # if row number is odd
stars_qty = 8
first_star_centre_x = 33
# centre_y=260-(row+1)*14 because we are counting star rows from the top
from zyxxy_canvas import create_canvas_and_axes, show_drawing_and_save_if_needed
from zyxxy_all_EXAMPLES import example_finnish_flag
from zyxxy_shape_functions import draw_a_rectangle
#######################################################
# Creating the canvas! ##
create_canvas_and_axes(canvas_width=36,
canvas_height=22,
tick_step=2,
title="Flag Of Finland",
model=example_finnish_flag,
outlines_colour="red")
#######################################################
# Now let's draw the shapes! ##
draw_a_rectangle(left=22,
centre_y=11,
width=6,
height=10,
colour='midnightblue')
show_drawing_and_save_if_needed()