提供一种本地将图片转换为lua代码的方法。
使用Python + Pillow实现
开发环境：Python3.11 + PIL
完整代码：
from PIL import Image
import sys
from math import sqrt
import textwrap
"""
(237,237,237) -> 白色
(239, 176, 50) -> 橙色
(226, 125, 213) -> 品红
(151, 176, 239) -> 淡蓝
(219, 219, 107) -> 黄色
(125, 202, 25) -> 绿色
(239, 176, 202) -> 粉色
(75, 75, 75) -> 深灰
(151, 151, 151) -> 淡灰
(75, 151, 176) -> 陶蓝
(176, 101, 226) -> 紫色
(50, 101, 202) -> 湖蓝
(125, 101, 75) -> 棕色
(86, 164, 77) -> 绿色
(202, 75, 75) -> 红色
(17,17,17) -> 黑色
"""
color_map = \
{
(237, 237, 237): '0',
(239, 176, 50): '1',
(226, 125, 213): '2',
(151, 176, 239): '3',
(219, 219, 107): '4',
(125, 202, 25): '5',
(239, 176, 202): '6',
(75, 75, 75): '7',
(151, 151, 151): '8',
(75, 151, 176): '9',
(176, 101, 226): 'a',
(50, 101, 202): 'b',
(125, 101, 75): 'c',
(86, 164, 77): 'd',
(202, 75, 75): 'e',
(17, 17, 17): 'f'
}
keys = list(color_map.keys())
# path = None
# w = None
# h = None
path = r"C:\Users\xpwan\Desktop\CC_T_Paint\logo.png"
w = 82
h = 40
vec = [(-2, -1), (-2, 0), (-1, -1), (-1, 0), (0, -1), (0, 0)]
head = r'\x'
def list_sub(x: list):
re = ""
for t in x:
re += str(t)
return re
def to_hex(num: str):
assert num[0] == '1'
assert num[2] == '0'
num = int(num, 2)
re = hex(num)[2:]
if len(re) == 1:
re = '0' + re
return re
def line(word, com, total):
print("\r", end="")
print(f"{word} {com}/{total}: ", "#" * (int(com / total) // 2), end="")
sys.stdout.flush()
def found_color(r, g, b, *a):
score = 255 * 3
color = ''
for br, bg, bb in color_map.keys():
# if (now_score := (sqrt(abs(r * r - br * br) + sqrt(abs(g * g - bg * bg)) + sqrt(abs(b * b - bb * bb))))) < score:
if (now_score := (abs(r - br) + abs(g - bg) + abs(b - bb))) < score:
score = now_score
color = color_map[(br, bg, bb)]
return color
def co_count(inp: str):
co_dir = {}
mx = -1
mxt = ''
mn = -1
mnt = ''
assert inp != ''
for c in inp:
if c not in co_dir.keys():
co_dir[c] = inp.count(c)
if co_dir[c] > mx:
mx = co_dir[c]
mxt = c
elif co_dir[c] > mn:
mn = co_dir[c]
mnt = c
assert mxt != ''
return mxt, mnt
def open_image(pa):
img = Image.open(pa)
return img
def write_in(f_co, b_co, te, file_name=''):
assert len(f_co) == len(b_co) == len(te)
with open(".\\" + file_name + ".lua", "w+") as file:
for i in range(len(f_co)):
f = f_co[i]
b = b_co[i]
t = te[i]
t = textwrap.wrap(t, 2)
file.write('term.scroll(-1)\nterm.setCursorPos(1,1)\n')
file.write(f"term.blit('{list_sub([head + x for x in t])}', '{f}', '{b}')\n")
def main(img, iw, ih):
iw *= 2
ih *= 3
img.convert("P")
img = img.resize((iw, ih))
# img.show()
pix = list(img.getdata())
out = ''
for i in pix:
out += found_color(*i)
input_pix = textwrap.wrap(out, iw)
'''
i[0][0] i[0][1]
i[1][0] i[1][1]
1[2][0] |1[2][1]|
'''
f_co = []
b_co = []
te = []
for i in range(2, ih, 3):
f_co.append('')
b_co.append('')
te.append('')
for j in range(1, iw, 2):
out = ''
for x, y in vec:
out += input_pix[i + x][j + y]
m1, m2 = co_count(out)
if out[-1] == m1:
# 001_____ -> bg
f_co[-1] += m2 if m2 != '' else m1
b_co[-1] += m1
trans_word = ''
for c in '0123456789abcdef':
if c == m2:
trans_word += '1'
else:
trans_word += '0'
out = list(out.translate(str.maketrans('0123456789abcdef', trans_word)))
out.reverse()
te[-1] += to_hex('10' + list_sub(out))
else:
f_co[-1] += m1
b_co[-1] += m2 if m2 != '' else m1
trans_word = ''
for c in '0123456789abcdef':
if c == m1:
trans_word += '1'
else:
trans_word += '0'
out = list(out.translate(str.maketrans('0123456789abcdef', trans_word)))
out.reverse()
te[-1] += to_hex('10' + list_sub(out))
f_co.reverse()
b_co.reverse()
te.reverse()
return f_co, b_co, te
if __name__ == "__main__":
if path is None:
path = input("输入图片完整路径")
if w is None or h is None:
w, h = int(*input("输入图片宽高，以空格分割").split(" "))
write_in(*main(open_image(path), w, h))
两种调用方法，可以手动修改代码内的path，w，h。也可以运行时在控制台输入
运行时保证图片在代码同级目录下
运行完成后同级目录下会出现一个文件out.lua。导入CC电脑后可以直接运行得到图像。
例子：
monitor right out.lua
在外接显示器上显示
PS：
在控制台中执行(使用清华镜像)安装Pillow库：
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple Pillow
需要在python安装时勾选"Add to PATH"
