def debug_world(paths, width, height):
dwg = Drawing(paths=paths, name="debug_world", bg=None)
# Gray rectangle: the desired visible canvas.
with dwg.style(rgb=(.95, .95, .95)):
dwg.rectangle(0, 0, width, height)
dwg.fill()
# Reference grid.
llx, lly = dwg.llx, dwg.lly
urx = llx + dwg.width
ury = lly + dwg.height
with dwg.style(rgb=(.5, 1, 1), width=1, dash=[5, 5], dash_offset=7.5):
for xmin in tick_range(llx, urx, 20):
dwg.move_to(xmin, lly)
dwg.line_to(xmin, ury)
dwg.stroke()
for ymin in tick_range(lly, ury, 20):
dwg.move_to(llx, ymin)
dwg.line_to(urx, ymin)
dwg.stroke()
with dwg.style(rgb=(.5, 1, 1), width=1):
dwg.circle_points([Point(0, 0)], radius=10)
for xmaj in tick_range(llx, urx, 100):
dwg.move_to(xmaj, lly)
dwg.line_to(xmaj, ury)
dwg.stroke()
for ymaj in tick_range(lly, ury, 100):
dwg.move_to(llx, ymaj)
dwg.line_to(urx, ymaj)
dwg.stroke()
# The paths themselves.
dwg.draw_paths(paths, width=1, rgb=(1, 0, 0))
dwg.finish()
print("Wrote debug_world.png")
def debug_world(dwg0, paths_styles):
"""Draw a picture of the entire world.
`dwg0` is the Drawing we're really making.
`paths_styles` is a list of tuples: (paths, style) for drawing.
"""
# Get the perimeter of the real drawing.
dwg0_path = dwg0.perimeter()
# Get the bounds of everything we're going to draw.
bounds = EmptyBounds()
for paths, styles in paths_styles:
bounds |= paths_bounds(paths)
bounds |= dwg0_path.bounds()
bounds = bounds.expand(percent=2)
dwg = Drawing(bounds=bounds, name="debug_world", bg=(.95, .95, .95))
# White rectangle: the desired visible canvas.
with dwg.style(rgb=(1, 1, 1)):
dwg0_path.draw(dwg)
dwg.fill()
# Reference grid.
llx, lly, urx, ury = dwg.bounds
with dwg.style(rgb=(.5, 1, 1), width=1, dash=[5, 5], dash_offset=7.5):
for xmin in tick_range(llx, urx, 20):
dwg.move_to(xmin, lly)
dwg.line_to(xmin, ury)
dwg.stroke()
for ymin in tick_range(lly, ury, 20):
dwg.move_to(llx, ymin)
dwg.line_to(urx, ymin)
dwg.stroke()
with dwg.style(rgb=(.5, 1, 1), width=1):
for xmaj in tick_range(llx, urx, 100):
dwg.move_to(xmaj, lly)
dwg.line_to(xmaj, ury)
dwg.stroke()
for ymaj in tick_range(lly, ury, 100):
dwg.move_to(llx, ymaj)
dwg.line_to(urx, ymaj)
dwg.stroke()
# The origin.
with dwg.style(rgb=(0, .75, .75), width=1):
dwg.circle_points([Point(0, 0)], radius=10)
dwg.move_to(-10, 0)
dwg.line_to(10, 0)
dwg.move_to(0, -10)
dwg.line_to(0, 10)
dwg.stroke()
# The paths themselves.
for paths, styles in paths_styles:
dwg.draw_paths(paths, **styles)
dwg.finish()
print("Wrote debug_world.png")