svg_rounded_rect_grid.py

#!/usr/bin/env python3
import drawsvg as dw

# requirements.txt:
# drawsvg
# cairosvg

WIDTH = 25 # millimeters
HEIGHT = 30 # millimeters
CORNER_RADIUS = 4 # millimeters
ACROSS = 7
DOWN = 4

def mm(i:float) ->float:
	return i * 72 / 25.4

def partial_rectangle(d, x, y):
	# Top-Left Corner
	p = dw.Path()
	d.append(p.M(mm(x), mm(y + CORNER_RADIUS)).Q(mm(x), mm(y), mm(x + CORNER_RADIUS), mm(y)))
	# Top
	d.append(dw.Line(mm(x + CORNER_RADIUS), mm(y), mm(x + WIDTH - CORNER_RADIUS), mm(y)))
	# Top-Right
	p = dw.Path()
	d.append(p.M(mm(x + WIDTH - CORNER_RADIUS), mm(y)).Q(mm(x + WIDTH), mm(y), mm(x + WIDTH), mm(y + CORNER_RADIUS)))
	# Right
	d.append(dw.Line(mm(x + WIDTH), mm(y + CORNER_RADIUS), mm(x + WIDTH), mm(y + HEIGHT - CORNER_RADIUS)))
	# Bottom-Right
	p = dw.Path()
	d.append(p.M(mm(x + WIDTH), mm(y + HEIGHT - CORNER_RADIUS)).Q(mm(x + WIDTH), mm(y + HEIGHT), mm(x + WIDTH - CORNER_RADIUS), mm(y + HEIGHT)))
	# Bottom-Left
	p = dw.Path()
	d.append(p.M(mm(x + CORNER_RADIUS), mm(y + HEIGHT)).Q(mm(x), mm(y + HEIGHT), mm(x), mm(y + HEIGHT - CORNER_RADIUS)))

def left_rectangle(d, x, y):
	partial_rectangle(d, x, y)
	# Left
	d.append(dw.Line(mm(x), mm(y + HEIGHT - CORNER_RADIUS), mm(x), mm(y + CORNER_RADIUS)))

def bottom_rectangle(d, x, y):
	partial_rectangle(d, x, y)
	# Bottom
	d.append(dw.Line(mm(x + WIDTH - CORNER_RADIUS), mm(y + HEIGHT), mm(x + CORNER_RADIUS), mm(y + HEIGHT)))


def full_rectangle(d, x, y):
	# Top-Left Corner
	p = dw.Path()
	d.append(p.M(mm(x), mm(y + CORNER_RADIUS)).Q(mm(x), mm(y), mm(x + CORNER_RADIUS), mm(y)))
	# Top
	d.append(dw.Line(mm(x + CORNER_RADIUS), mm(y), mm(x + WIDTH - CORNER_RADIUS), mm(y)))
	# Top-Right
	p = dw.Path()
	d.append(p.M(mm(x + WIDTH - CORNER_RADIUS), mm(y)).Q(mm(x + WIDTH), mm(y), mm(x + WIDTH), mm(y + CORNER_RADIUS)))
	# Right
	d.append(dw.Line(mm(x + WIDTH), mm(y + CORNER_RADIUS), mm(x + WIDTH), mm(y + HEIGHT - CORNER_RADIUS)))
	# Bottom-Right
	p = dw.Path()
	d.append(p.M(mm(x + WIDTH), mm(y + HEIGHT - CORNER_RADIUS)).Q(mm(x + WIDTH), mm(y + HEIGHT), mm(x + WIDTH - CORNER_RADIUS), mm(y + HEIGHT)))
	# Bottom
	d.append(dw.Line(mm(x + WIDTH - CORNER_RADIUS), mm(y + HEIGHT), mm(x + CORNER_RADIUS), mm(y + HEIGHT)))
	# Bottom-Left
	p = dw.Path()
	d.append(p.M(mm(x + CORNER_RADIUS), mm(y + HEIGHT)).Q(mm(x), mm(y + HEIGHT), mm(x), mm(y + HEIGHT - CORNER_RADIUS)))
	# Left
	d.append(dw.Line(mm(x), mm(y + HEIGHT - CORNER_RADIUS), mm(x), mm(y + CORNER_RADIUS)))

d = dw.Drawing(mm(508), mm(308.4), origin=(0,0), id_prefix='d')
r = dw.Group(stroke='black', fill='none')
for row in range(0, DOWN):
	for column in range(0, ACROSS):
		if row == DOWN - 1 and column == 0:
			full_rectangle(r, 10 + column * WIDTH, 10 + row * HEIGHT)
		elif column == 0:
			left_rectangle(r, 10 + column * WIDTH, 10 + row * HEIGHT)
		elif row == DOWN - 1:
			bottom_rectangle(r, 10 + column * WIDTH, 10 + row * HEIGHT)
		else:
			partial_rectangle(r, 10 + column * WIDTH, 10 + row * HEIGHT)
d.append(r)
d.save_svg('grid.svg')
d.save_png('grid.png')