PyLf
A lightweight Python library for simulating Chinese handwriting
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Vision
Reveal the nature of Chinese handwriting and use it to implement beautiful, simple and easy-to-use interfaces.
Algorithm & Implementation
首先，在水平位置、竖直位置和字体大小三个自由度上，对每个字的整体做随机扰动。随后，在水平位置、竖直位置和旋转角度三个自由度上，对每个字的每个笔画做随机扰动。
目前，PyLf基于Pillow开发，并在内部使用multiprocessing做并行加速。
Installation
由于PyLf的依赖项Pillow会与PIL发生冲突，因此如若您已安装PIL，请先手动卸载：
pip uninstall PIL
安装PyLf：
pip install pylf
Quick Start
from PIL import Image, ImageFont
from pylf import handwrite
if __name__ == '__main__':
template = {
"background": Image.new(mode="1", size=(2000, 2000), color="white"),
"margin": {"left": 150, "right": 150, "top": 200, "bottom": 200},
"line_spacing": 150,
"font_size": 100,
"font": ImageFont.truetype("path/to/my/font.ttf")
}
for image in handwrite("我能吞下玻璃而不伤身体。", template):
image.show()
对于简单的手写任务，您可以使用更易用的CLI工具。请尝试在终端中运行pylf --help。
更多信息请参阅Tutorial。
Features
| 特性 | 相关参数 |
|---|---|
| 设置背景 | background |
| 设置字体及其大小、颜色 | font, font_size, color |
| 设置页边距、行间距、字间距 | margin, line_spacing, word_spacing |
| 调节排版随机化的强弱 | font_size_sigma, line_spacing_sigma, word_spacing_sigma |
| 调节笔画随机扰动的强弱 | perturb_x_sigma, perturb_y_sigma, perturb_theta_sigma |
设置在行末不换行的字符集（如：。》)]） |
is_end_char_fn |
设置在排版时只占其宽度一半的字符集（如：，。！） |
is_half_char_fn |
| 并行加速 | worker |
| 周期性模板 | template2（详情：pylf.handwrite2） |
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