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saving.py
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saving.py
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from __future__ import annotations
import os
import typing
import networkx as nx
import reportlab.graphics.renderPDF as renderPDF
import reportlab.lib.pagesizes as pagesizes
import reportlab.lib.units as units
import svglib.svglib as svglib
import matplotlib.pyplot as plt
from reportlab.pdfgen.canvas import Canvas
from utils import (Seq, SolvedSeq, NodeKind)
def fit_size(drawing, w, h):
sx = w / drawing.width
sy = h / drawing.height
drawing.scale(sx, sy)
return drawing
def save_design_graph(g: nx.DiGraph, savedir: str):
plt.figure(0, figsize=(8, 8))
plt.clf()
nx.draw_networkx(g, pos=dict(g.nodes('pos')))
plt.savefig(os.path.join(savedir, 'graph.pdf'))
def save_design_nodes(graph: nx.DiGraph, savedir: str, symbols_dir: str):
pg_w = pagesizes.A5[0]
pg_h = pagesizes.A5[1]
dirs_btm_padding = 10 * units.mm
symbol_w = 100 * units.mm
symbol_h = 100 * units.mm
dir_symbol_w = 20 * units.mm
dir_symbol_h = 20 * units.mm
meta_font_size = 5 * units.mm
fontname = 'Helvetica'
fn = os.path.join(savedir, 'uzly.pdf')
canvas = Canvas(fn, pagesize=(pg_w, pg_h))
canvas.setTitle('Uzly')
for n in graph:
kind = graph.nodes[n]['kind']
hl_y = 2 * dirs_btm_padding + dir_symbol_h
canvas.line(0, hl_y, pg_w, hl_y)
symbol_fn = os.path.join(symbols_dir, f'SSL{n + 1:02d}.svg')
symbol = fit_size(svglib.svg2rlg(symbol_fn), symbol_w, symbol_h)
renderPDF.draw(symbol, canvas,
(pg_w - symbol_w) / 2, (pg_h + hl_y - symbol_h) / 2)
if kind == NodeKind.PEEK_ALL:
text = '*'
elif kind == NodeKind.PEEK_ONE:
text = '1'
else:
raise ValueError()
canvas.setFont(fontname, meta_font_size)
# canvas.drawRightString(pg_w - 5 * units.mm, pg_h - 9 * units.mm, text)
nbnum = len(graph[n])
for i in range(nbnum - 1):
x = (i + 1) * pg_w / nbnum
canvas.line(x, 0,
x, 2 * dirs_btm_padding + dir_symbol_h)
for nb, nbd in graph[n].items():
symbol_fn = os.path.join(symbols_dir, f'SSL{nb + 1:02d}.svg')
o = nbd['order']
x = (o + 0.5) * pg_w / nbnum - dir_symbol_w / 2
y = dirs_btm_padding
symbol = fit_size(svglib.svg2rlg(symbol_fn),
dir_symbol_w, dir_symbol_h)
renderPDF.draw(symbol, canvas, x, y)
canvas.showPage()
canvas.save()
def save_design_cards(seqs: typing.List[Seq], savedir: str, symbols_dir: str,
file_basename: str, title: str):
pg_w = pagesizes.A7[1]
pg_h = pagesizes.A7[0] / 2
lr_pad = 5 * units.mm
dot_r = .5 * units.mm
dot_hpad = 2 * units.mm
dot_vpad = .5 * units.mm
fn = os.path.join(savedir, f'{file_basename}.pdf')
canvas = Canvas(fn, pagesize=(pg_w, pg_h))
canvas.setTitle(title)
for i, s in enumerate(seqs):
i = i + 1
sl = len(s)
row = -1
col = 0
for k in range(i):
if k % 5 == 0:
row += 1
col = 0
rl = min(5, i - 5 * row)
c = (rl - 1) * (2 * dot_r + dot_hpad) / 2
x = pg_w / 2 - c + col * (2 * dot_r + dot_hpad)
y = pg_h - dot_vpad - dot_r - row * (dot_vpad + 2 * dot_r)
canvas.circle(x, y, dot_r, stroke=0, fill=1)
col += 1
size = (pg_w - 2 * lr_pad) / sl
canvas.grid([lr_pad + k * size
for k in range(sl + 1)],
[(pg_h - size) / 2,
(pg_h + size) / 2])
for j, e in enumerate(s):
if e is None:
continue
symbol_fn = os.path.join(symbols_dir, f'SSL{e + 1:02d}.svg')
symbol = fit_size(svglib.svg2rlg(symbol_fn), size, size)
x = lr_pad + j * size
y = (pg_h - size) / 2
renderPDF.draw(symbol, canvas, x, y)
canvas.showPage()
canvas.save()
def save_design(graph: nx.DiGraph,
seqs: typing.List[typing.Tuple[Seq, SolvedSeq]], savedir: str):
symbols_dir = os.path.join(os.path.dirname(__file__), 'symbols')
save_design_graph(graph, savedir)
save_design_nodes(graph, savedir, symbols_dir)
save_design_cards([x[0] for x in seqs], savedir, symbols_dir, 'zadani',
'Zadání')
save_design_cards([x[1] for x in seqs], savedir, symbols_dir, 'reseni',
'Řešení')