基数変換で遊ぼう_その3_ASCII変換問題ジェネレーター

main.py

# coding: utf-8

"""
ASCII変換問題ジェネレーター
"""

import os, math, random
from PIL import Image, ImageFont, ImageDraw

# D2A or A2D
flg_d2a = False

# Directory
dir_name = "d2a" if flg_d2a else "a2d"

# Title
text_title = "ASCII \\(x_x;)/ HELL"
if flg_d2a == True:
	text_explain = "次にある10進数の値を、ASCII文字に変換しなさい"
	text_example = "※8bit2進数に変換->コンピュータ概論:p46参照\n\n解答例: [72, 69, 76, 76, 79] = HELLO"
else:
	text_explain = "次にあるASCII文字を、10進数に変換しなさい"
	text_example = "※8bit2進数に変換->コンピュータ概論:p46参照\n\n解答例: HELLO = [72, 69, 76, 76, 79]"

# Font
font_path_w4 = "/System/Library/Fonts/ヒラギノ角ゴシック W4.ttc";
font_path_w6 = "/System/Library/Fonts/ヒラギノ角ゴシック W6.ttc";
font_color = (0, 0, 0)

# ASCII符号表(コンピュータ概論:p46)
ASCII = [[], [],
	["SP", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-", ".", "/"],
	["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?"],
	["@", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O"],
	["P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "[", "¥", "]", "^", "_"],
	["`", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o"],
	["p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "{", "|", "}", "~", "DEL"]
]

# 問題リストと解答リスト
str_words = ["NE", "USI", "TORA", "U", "TAMA", "MI", "UMA", "HITUJI", "NEKO", "TORI", "INU", "I"]
str_ascii = []

base_x = 250
base_y = 800
pad_x  = 980
pad_y  = 210

rows = 10
cols = 2

def main():

	# Words -> ASCII
	for i in range(len(str_words)):
		str_ascii.append(str(str2ascii(str_words[i])))

	# PDF
	for i in range(2):

		# Type
		type_flg = i % 2
		type_name = "mondai" if type_flg else "kaito"

		# Images
		images = []
		image = Image.new("RGB", (2150, 3035), (255, 255, 255))

		# Draw
		draw = ImageDraw.Draw(image)
		# Title
		font = ImageFont.truetype(font_path_w6, 80)
		draw.text((base_x, 200), text_title, font=font, fill=font_color)
		# Name
		font = ImageFont.truetype(font_path_w6, 40)
		draw.text((image.size[0]/2 + 500, 250), "氏名:", font=font, fill=font_color)
		# Explain
		font = ImageFont.truetype(font_path_w6, 50)
		draw.text((260, 420), text_explain, font=font, fill=font_color)
		# Example
		font = ImageFont.truetype(font_path_w4, 40)
		draw.text((260, 540), text_example, font=font, fill=font_color)

		for r in range(rows):
			for c in range(cols):
				n = c + r * cols
				if(len(str_words) <= n): break

				if flg_d2a == True:
					text = "(" + str(n+1) + ")" + "\n\n     " + str_ascii[n] + " = "
					if type_flg == 0: text += str_words[n]
				else:
					text = "(" + str(n+1) + ")" + "\n\n     " + str_words[n] + " = "
					if type_flg == 0: text += str_ascii[n]

				pos_x = base_x + c * pad_x
				pos_y = base_y + r * pad_y
				pos = (pos_x, pos_y)
				font = ImageFont.truetype(font_path_w6, 40)
				draw.text(pos, text, font=font, fill=font_color)

		# Directory
		if(not os.path.isdir(dir_name)): os.mkdir(dir_name)

		images.append(image)

		# Save
		image_out = "./" + dir_name + "/" + type_name + ".pdf"
		images[0].save(image_out, "PDF", 
			quality=100, save_all=True, append_images=images[1:], optimize=True)

def str2ascii(s):
	result = []
	for c in s:
		i, j = char2ascii(c)
		result.append(b2d(d2b(i) + d2b(j)))
	return result

def char2ascii(c):
	for i in range(len(ASCII)):
		for j in range(len(ASCII[i])):
			if c == ASCII[i][j]: return i, j

def bin2dec(bin):
	result = []
	for b in bin: result.append(b2d(b))
	return result

def dec2str(dec):
	result = []
	for d in dec: result.append(chr(d))
	return result

def d2b(d): return bin(d)[2:].zfill(4)

def d2h(d): return hex(d)[2:].zfill(1)

def b2d(b): return int(b, 2)

def h2b(h): return int(h, 16)

if __name__ == "__main__":
	main()