def main(filename="output.png",
img_width=2000,
n=10,
max_subdiv=5,
palette=random.choice(palettes.PALETTES)):
img_height = img_width # Work only with square images
ims = cairo.ImageSurface(cairo.FORMAT_ARGB32, img_width, img_height)
ims.set_fallback_resolution(300.0, 300.0)
ctx = cairo.Context(ims)
ctx.rectangle(0, 0, img_width, img_height)
ctx.set_source_rgb(*colors.hex_to_tuple(palette['background']))
ctx.fill()
size = img_width // n
for r in range(0, img_height, size):
for c in range(0, img_width, size):
subdiv = random.randint(1, max_subdiv)
step = size // subdiv
for y in range(subdiv):
for x in range(subdiv):
circle(ctx, c + x * step, r + y * step, step,
palette['colors'])
ims.write_to_png(filename)
def main(filename="output.png",
img_width=2000,
n=10,
shake_count=5,
palette=random.choice(palettes.PALETTES),
shakiness=8,
line_width=5):
img_height = img_width # Work only with square images
ims = cairo.ImageSurface(cairo.FORMAT_ARGB32, img_width, img_height)
ims.set_fallback_resolution(300.0, 300.0)
ctx = cairo.Context(ims)
ctx.rectangle(0, 0, img_width, img_height)
ctx.set_source_rgb(*colors.hex_to_tuple(palette['background']))
ctx.fill()
frame = 20 # empty space around image border
size = (img_width - 2 * frame) / n
for r in range(n):
for c in range(n):
tile(ctx,
frame + c * size,
frame + r * size,
size,
palette['colors'],
count=shake_count,
shakiness=shakiness,
line_width=line_width)
ims.write_to_png(filename)
def circle(ctx, x, y, diameter, cols):
x_fuzz = random.uniform(0, 3) * random.choice([-1, 1])
y_fuzz = random.uniform(0, 3) * random.choice([-1, 1])
radius = random.uniform(diameter / 3, diameter / 2) - max(
abs(x_fuzz), abs(y_fuzz))
ctx.arc(x + diameter / 2 + x_fuzz, y + diameter / 2 + y_fuzz, radius, 0,
2 * math.pi)
ctx.set_source_rgb(*colors.hex_to_tuple(random.choice(cols)))
ctx.fill()
def triangle(ctx, p1, p2, p3, cols):
chosen_cols = [colors.hex_to_tuple(c) for c in random.sample(cols, 2)]
draw_triangle(ctx, p1, p2, p3, chosen_cols[0])
# Inner triangle
points = [p1, p2, p3]
inner_points = [
point_on_line(p, points[idx - 1]) for (idx, p) in enumerate(points)
]
draw_triangle(ctx, *inner_points, chosen_cols[1], outline=False)
def tile(ctx, x, y, size, cols, count=4):
shake_factor = (size / 2) / 8
radius = (size / 2) - shake_factor
for _ in range(count):
x_shake = random.uniform(-1 * shake_factor, shake_factor)
y_shake = random.uniform(-1 * shake_factor, shake_factor)
ctx.arc(x + size / 2 + x_shake, y + size / 2 + y_shake, radius, 0, 2 * math.pi)
color = colors.hex_to_tuple(random.choice(cols))
ctx.set_source_rgb(*color)
ctx.set_line_width(max(shake_factor / 5, 1))
ctx.stroke()
def tile(ctx, x, y, size, cols):
# Petal
lm = (x - size / 2, y + size / 2)
tm = (x + size / 2, y)
rm = (x + size + size / 2, y + size / 2)
bm = (x + size / 2, y + size)
for offset in [size / 2, size / 4, 0, -size / 4]:
lm = (x - offset, y + size / 2)
rm = (x + size + offset, y + size / 2)
ctx.curve_to(*bm, *lm, *tm)
ctx.curve_to(*rm, *bm, *bm)
ctx.set_source_rgb(*colors.hex_to_tuple(random.choice(cols)))
ctx.fill()
def main(filename="output.png",
img_width=2000,
n=10,
palette=random.choice(palettes.PALETTES)):
img_height = img_width # Work only with square images
ims = cairo.ImageSurface(cairo.FORMAT_ARGB32, img_width, img_height)
ims.set_fallback_resolution(300.0, 300.0)
ctx = cairo.Context(ims)
ctx.rectangle(0, 0, img_width, img_height)
ctx.set_source_rgb(*colors.hex_to_tuple(palette['background']))
ctx.fill()
size = (img_width) / n
for r in range(n):
for c in range(n + 1):
tile_fn = tile_A if r % 2 == 0 else tile_B
tile_fn(ctx, c * size, r * size, size, palette['colors'])
ims.write_to_png(filename)
def tile(ctx, x, y, size, cols, count=4, shakiness=8, line_width=3):
shake_factor = (size / 2) / shakiness
x = x + shake_factor + 1
y = y + shake_factor + 1
size = size - 2 * shake_factor - 2
def shake():
return random.uniform(-1 * shake_factor, shake_factor)
for _ in range(count - 1):
start = (x + shake(), y + shake())
ctx.move_to(*start)
ctx.line_to(x + size + shake(), y + shake())
ctx.line_to(x + size + shake(), y + size + shake())
ctx.line_to(x + shake(), y + size + shake())
ctx.line_to(*start)
color = colors.hex_to_tuple(random.choice(cols))
ctx.set_source_rgb(*color)
ctx.set_line_width(line_width)
ctx.stroke()
def triangle(ctx, p1, p2, p3, cols):
ctx.move_to(*p1)
ctx.line_to(*p2)
ctx.line_to(*p3)
ctx.set_source_rgb(*colors.hex_to_tuple(random.choice(cols)))
ctx.fill()
