中国供应商字体解密

https://www.gys.cn/buy/5420348615.html

字体是由坐标画出来的，关键词：rmoveto, rlineto, rrcurveto等

""""
<CharString name="uni100d1">
    126 15 -1 rmoveto
    0 0 rlineto
    -2 7 rlineto
    43 15 25 25 7 35 rrcurveto
    0 0 rlineto
    -11 -11 -12 -6 -13 0 rrcurveto
    0 0 rlineto
    -27 3 -15 18 -2 33 rrcurveto
    0 0 rlineto
    1 41 17 21 33 1 rrcurveto
    0 0 rlineto
    35 -1 18 -25 1 -49 rrcurveto
    0 0 rlineto
    0 -59 -33 -36 -66 -12 rrcurveto
    75 95 rmoveto
    0 0 rlineto
    2 53 -10 26 -22 -1 rrcurveto
    0 0 rlineto
    -19 0 -9 -16 0 -32 rrcurveto
    0 0 rlineto
    -1 -33 10 -16 21 1 rrcurveto
    0 0 rlineto
    11 1 9 6 8 11 rrcurveto
    endchar
</CharString>
"""
import ddddocr
import matplotlib.pyplot as plt
from matplotlib.path import Path
import matplotlib.patches as patches


# 定义路径命令
commands = [
    ("rmoveto", 126, 15, -1),
    ("rlineto", 0, 0),
    ("rlineto", -2, 7),
    ("rrcurveto", 43, 15, 25, 25, 7, 35),
    ("rlineto", 0, 0),
    ("rrcurveto", -11, -11, -12, -6, -13, 0),
    ("rlineto", 0, 0),
    ("rrcurveto", -27, 3, -15, 18, -2, 33),
    ("rlineto", 0, 0),
    ("rrcurveto", 1, 41, 17, 21, 33, 1),
    ("rlineto", 0, 0),
    ("rrcurveto", 35, -1, 18, -25, 1, -49),
    ("rlineto", 0, 0),
    ("rrcurveto", 0, -59, -33, -36, -66, -12),
    ("rmoveto", 75, 95),
    ("rlineto", 0, 0),
    ("rrcurveto", 2, 53, -10, 26, -22, -1),
    ("rlineto", 0, 0),
    ("rrcurveto", -19, 0, -9, -16, 0, -32),
    ("rlineto", 0, 0),
    ("rrcurveto", -1, -33, 10, -16, 21, 1),
    ("rlineto", 0, 0),
    ("rrcurveto", 11, 1, 9, 6, 8, 11),
    ("endchar",),
]

# 初始化起始点
x, y = 0, 0

# 创建路径数据
path_data = []
for command in commands:
    if command[0] == "rmoveto":
        x += command[1]
        y += command[2]
        path_data.append((Path.MOVETO, (x, y)))
    elif command[0] == "rlineto":
        x += command[1]
        y += command[2]
        path_data.append((Path.LINETO, (x, y)))
    elif command[0] == "rrcurveto":
        x1, y1 = x + command[1], y + command[2]
        x2, y2 = x1 + command[3], y1 + command[4]
        x3, y3 = x2 + command[5], y2 + command[6]
        path_data.append((Path.CURVE4, (x1, y1)))
        path_data.append((Path.CURVE4, (x2, y2)))
        path_data.append((Path.CURVE4, (x3, y3)))
        x, y = x3, y3

# 创建路径
codes, verts = zip(*path_data)
path = Path(verts, codes)

# 创建图形
fig, ax = plt.subplots()
patch = patches.PathPatch(path, facecolor="black", lw=2)  # 使用黑色填充
ax.add_patch(patch)
ax.set_aspect("equal")
ax.autoscale()

# 保存图形
plt.savefig("charstring.png")

# 使用 ddddocr 识别图像中的字符
ocr = ddddocr.DdddOcr()
with open("charstring.png", "rb") as f:
    img_bytes = f.read()
result = ocr.classification(img_bytes)

print("识别结果:", result)

画出来的结果：

ddddocr识别的结果：

完整代码示例：

import io
import ddddocr
import base64

from fontTools.ttLib import TTFont
from fontTools.pens.basePen import BasePen
import matplotlib.pyplot as plt
from matplotlib.path import Path
import matplotlib.patches as patches


ocr = ddddocr.DdddOcr()


class MatplotlibPen(BasePen):
    def __init__(self, glyphSet):
        super().__init__(glyphSet)
        self.path_data = []

    def _moveTo(self, p0):
        self.path_data.append((Path.MOVETO, p0))

    def _lineTo(self, p1):
        self.path_data.append((Path.LINETO, p1))

    def _curveToOne(self, p1, p2, p3):
        self.path_data.append((Path.CURVE4, p1))
        self.path_data.append((Path.CURVE4, p2))
        self.path_data.append((Path.CURVE4, p3))

    def _closePath(self):
        self.path_data.append((Path.CLOSEPOLY, self.path_data[0][1]))


def get_font_data(font_str):
    """获取解密字体"""
    font_data = base64.b64decode(font_str)
    font = TTFont(io.BytesIO(font_data))
    font.saveXML("font.xml")

    result = {}
    # 获取字符的路径数据
    glyph_set = font.getGlyphSet()
    glyph_names = font.getGlyphNames()
    for glyph_name in glyph_names:
        glyph = glyph_set[glyph_name]

        # 使用 MatplotlibPen 解析路径数据
        pen = MatplotlibPen(glyph_set)
        glyph.draw(pen)

        # 检查 path_data 是否为空
        if not pen.path_data:
            continue

        # 创建路径
        codes, verts = zip(*pen.path_data)
        path = Path(verts, codes)

        # 创建图形
        fig, ax = plt.subplots()
        patch = patches.PathPatch(path, facecolor="black", lw=2)  # 使用黑色填充
        ax.add_patch(patch)
        ax.set_aspect("equal")
        ax.autoscale()

        # 保存图形
        plt.savefig("charstring.png")

        # 使用 ddddocr 识别图像中的字符
        with open("charstring.png", "rb") as fr:
            img_bytes = fr.read()
        ret = ocr.classification(img_bytes)

        print("识别结果:", glyph_name, ret)
        result[glyph_name] = ret.upper()

    print(result)
    return result


if __name__ == "__main__":
    font_str = "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"
    result = get_font_data(font_str)
    # 15014777339
    # "𐃋𐃌𐃍𐃋𐃎𐃏𐃏𐃏𐃐𐃐𐃑"
    txt = "𐃋𐃌𐃍𐃋𐃎𐃏𐃏𐃏𐃐𐃐𐃑"
    for key, value in result.items():
        key = key.replace("uni", "&#x").lower() + ";"
        txt = txt.replace(key, value)
    print(txt)

输出结果：