Vladimir Buzalka
230 lines
7.4 KiB
Python
230 lines
7.4 KiB
Python
"""
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Vykreslí Killer Sudoku puzzle do PDF z dat v MySQL tabulce puzzles.
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"""
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import json
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import os
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import re
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import sys
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from pathlib import Path
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sys.stdout.reconfigure(encoding="utf-8")
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sys.path.insert(0, str(Path(__file__).parent.parent.parent / "Knihovny"))
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from reportlab.lib import colors
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from reportlab.lib.pagesizes import A4
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from reportlab.lib.units import cm
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from reportlab.pdfbase import pdfmetrics
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from reportlab.pdfbase.ttfonts import TTFont
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from reportlab.pdfgen.canvas import Canvas
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from mysql_db import connect_mysql
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_fonts_dir = os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts")
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pdfmetrics.registerFont(TTFont("Arial", os.path.join(_fonts_dir, "arial.ttf")))
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pdfmetrics.registerFont(TTFont("ArialBold", os.path.join(_fonts_dir, "arialbd.ttf")))
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OUTPUT = Path(__file__).parent / "test_killer_sudoku_v6.pdf"
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def parse_cages(puzzle_str: str) -> list[dict]:
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cages = []
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for part in puzzle_str.split("|"):
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target, cells_str = part.split(",", 1)
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cells = [(int(m[1]), int(m[2])) for m in re.finditer(r"r(\d)c(\d)", cells_str)]
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cages.append({"sum": int(target), "cells": cells})
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return cages
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def build_cage_map(cages: list[dict]) -> list[list[int]]:
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cage_map = [[-1] * 9 for _ in range(9)]
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for i, cage in enumerate(cages):
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for row, col in cage["cells"]:
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cage_map[row][col] = i
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return cage_map
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def cage_label_cell(cage: dict) -> tuple[int, int]:
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return min(cage["cells"], key=lambda c: (c[0], c[1]))
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def parse_solution(solution_str: str) -> list[list[int]]:
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return [[int(solution_str[r * 9 + c]) for c in range(9)] for r in range(9)]
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def draw_killer_sudoku(c: Canvas, x0: float, y0: float, cell: float,
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cages: list[dict], cage_map: list[list[int]],
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title: str = "", solution: list[list[int]] | None = None):
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label_font = max(cell * 0.22, 5)
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num_font = max(cell * 0.45, 7)
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thin = 0.3
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cage_line = 1.0
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thick = 2.2
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if title:
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c.setFont("ArialBold", 12)
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c.drawString(x0, y0 + 5, title)
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# Bílé pozadí
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c.setFillColor(colors.white)
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c.rect(x0, y0 - 9 * cell, 9 * cell, 9 * cell, fill=1, stroke=0)
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# Řešení
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if solution:
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c.setFillColor(colors.Color(0.25, 0.25, 0.25))
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c.setFont("Arial", num_font)
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for r in range(9):
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for co in range(9):
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cx = x0 + co * cell + cell / 2
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cy = y0 - (r + 1) * cell + cell * 0.28
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c.drawCentredString(cx, cy, str(solution[r][co]))
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# --- Vrstva 1: kompletní sudoku mřížka (tenké plné čáry) ---
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c.setStrokeColor(colors.Color(0.55, 0.55, 0.55))
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c.setLineWidth(thin)
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for i in range(1, 9):
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c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell)
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c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell)
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# --- Vrstva 2: tečkované ohraničení klecí (odsazené dovnitř buněk) ---
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inset = cell * 0.10
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c.setStrokeColor(colors.Color(0.2, 0.2, 0.2))
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c.setLineWidth(cage_line * 0.5)
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c.setDash(3, 2)
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# Horizontální hrany klecí — top borders
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for r in range(9):
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co = 0
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while co < 9:
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cid = cage_map[r][co]
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if not (r == 0 or cage_map[r - 1][co] != cid):
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co += 1
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continue
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seg_start = co
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while co < 9 and cage_map[r][co] == cid and (r == 0 or cage_map[r - 1][co] != cid):
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co += 1
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c.line(x0 + seg_start * cell + inset, y0 - r * cell - inset,
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x0 + co * cell - inset, y0 - r * cell - inset)
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# Horizontální hrany klecí — bottom borders
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for r in range(9):
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co = 0
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while co < 9:
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cid = cage_map[r][co]
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if not (r == 8 or cage_map[r + 1][co] != cid):
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co += 1
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continue
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seg_start = co
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while co < 9 and cage_map[r][co] == cid and (r == 8 or cage_map[r + 1][co] != cid):
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co += 1
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c.line(x0 + seg_start * cell + inset, y0 - (r + 1) * cell + inset,
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x0 + co * cell - inset, y0 - (r + 1) * cell + inset)
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# Vertikální hrany klecí — left borders
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for co in range(9):
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r = 0
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while r < 9:
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cid = cage_map[r][co]
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if not (co == 0 or cage_map[r][co - 1] != cid):
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r += 1
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continue
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seg_start = r
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while r < 9 and cage_map[r][co] == cid and (co == 0 or cage_map[r][co - 1] != cid):
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r += 1
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c.line(x0 + co * cell + inset, y0 - seg_start * cell - inset,
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x0 + co * cell + inset, y0 - r * cell + inset)
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# Vertikální hrany klecí — right borders
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for co in range(9):
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r = 0
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while r < 9:
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cid = cage_map[r][co]
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if not (co == 8 or cage_map[r][co + 1] != cid):
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r += 1
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continue
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seg_start = r
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while r < 9 and cage_map[r][co] == cid and (co == 8 or cage_map[r][co + 1] != cid):
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r += 1
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c.line(x0 + (co + 1) * cell - inset, y0 - seg_start * cell - inset,
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x0 + (co + 1) * cell - inset, y0 - r * cell + inset)
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c.setDash()
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# Tlusté 3×3 čáry + vnější okraj
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c.setStrokeColor(colors.black)
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c.setLineWidth(thick)
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for i in range(0, 10, 3):
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c.line(x0, y0 - i * cell, x0 + 9 * cell, y0 - i * cell)
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c.line(x0 + i * cell, y0, x0 + i * cell, y0 - 9 * cell)
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# Popisky klecí (součty) — nakonec, aby nebyly překryty čarami
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c.setFillColor(colors.white)
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c.setFont("ArialBold", label_font)
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for cage in cages:
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if not cage["cells"]:
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continue
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row, col = cage_label_cell(cage)
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lx = x0 + col * cell + cell * 0.05
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ly = y0 - row * cell - label_font * 1.05
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txt = str(cage["sum"])
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tw = c.stringWidth(txt, "ArialBold", label_font)
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c.rect(lx - 0.5, ly - 0.5, tw + 1, label_font + 1, fill=1, stroke=0)
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c.setFillColor(colors.black)
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c.setFont("ArialBold", label_font)
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for cage in cages:
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if not cage["cells"]:
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continue
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row, col = cage_label_cell(cage)
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lx = x0 + col * cell + cell * 0.05
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ly = y0 - row * cell - label_font * 1.05
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c.drawString(lx, ly, str(cage["sum"]))
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def main():
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conn = connect_mysql(database="puzzle")
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cur = conn.cursor()
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cur.execute(
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"SELECT difficulty, puzzle, solution, extra FROM puzzles "
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"WHERE game_type='killer_sudoku' AND extra LIKE '%%\"puzzle_number\": 31414%%' "
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"LIMIT 1"
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)
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row = cur.fetchone()
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cur.close()
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conn.close()
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if not row:
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print("Žádná data.")
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return
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difficulty, puzzle_str, solution_str, extra_json = row
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extra = json.loads(extra_json)
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cages = parse_cages(puzzle_str)
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cage_map = build_cage_map(cages)
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solution = parse_solution(solution_str)
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page_w, page_h = A4
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board_cm = 11
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cell = board_cm * cm / 9
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board_px = 9 * cell
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c = Canvas(str(OUTPUT), pagesize=A4)
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# Zadání
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x0 = (page_w - board_px) / 2
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y0 = page_h - 2 * cm
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draw_killer_sudoku(c, x0, y0, cell, cages, cage_map,
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f"Killer Sudoku (difficulty {difficulty}) — {extra.get('puzzle_number', '')}")
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# Řešení
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y0_sol = y0 - board_px - 3 * cm
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draw_killer_sudoku(c, x0, y0_sol, cell, cages, cage_map,
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"Řešení", solution=solution)
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c.save()
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print(f"PDF uloženo: {OUTPUT}")
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if __name__ == "__main__":
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main()
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