88 lines
2.0 KiB
Python
88 lines
2.0 KiB
Python
#!/usr/bin/env python
|
||
# -*- coding: utf-8 -*-
|
||
"""
|
||
颜色工具模块
|
||
负责颜色处理和转换
|
||
"""
|
||
|
||
|
||
def darken_color(hex_color: str, factor: float = 0.2) -> str:
|
||
"""使颜色变暗
|
||
|
||
Args:
|
||
hex_color: 十六进制颜色代码
|
||
factor: 变暗系数，0-1 之间
|
||
|
||
Returns:
|
||
变暗后的十六进制颜色代码
|
||
"""
|
||
# 去除#前缀
|
||
hex_color = hex_color.lstrip('#')
|
||
|
||
# 转换为RGB
|
||
r = int(hex_color[0:2], 16)
|
||
g = int(hex_color[2:4], 16)
|
||
b = int(hex_color[4:6], 16)
|
||
|
||
# 降低亮度
|
||
r = max(0, int(r * (1 - factor)))
|
||
g = max(0, int(g * (1 - factor)))
|
||
b = max(0, int(b * (1 - factor)))
|
||
|
||
# 转回十六进制
|
||
return f'#{r:02x}{g:02x}{b:02x}'
|
||
|
||
|
||
def lighten_color(hex_color: str, factor: float = 0.2) -> str:
|
||
"""使颜色变亮
|
||
|
||
Args:
|
||
hex_color: 十六进制颜色代码
|
||
factor: 变亮系数，0-1 之间
|
||
|
||
Returns:
|
||
变亮后的十六进制颜色代码
|
||
"""
|
||
# 去除#前缀
|
||
hex_color = hex_color.lstrip('#')
|
||
|
||
# 转换为RGB
|
||
r = int(hex_color[0:2], 16)
|
||
g = int(hex_color[2:4], 16)
|
||
b = int(hex_color[4:6], 16)
|
||
|
||
# 提高亮度
|
||
r = min(255, int(r + (255 - r) * factor))
|
||
g = min(255, int(g + (255 - g) * factor))
|
||
b = min(255, int(b + (255 - b) * factor))
|
||
|
||
# 转回十六进制
|
||
return f'#{r:02x}{g:02x}{b:02x}'
|
||
|
||
|
||
def hex_to_rgb(hex_color: str) -> tuple:
|
||
"""将十六进制颜色转换为RGB元组
|
||
|
||
Args:
|
||
hex_color: 十六进制颜色代码
|
||
|
||
Returns:
|
||
RGB颜色元组 (r, g, b)
|
||
"""
|
||
hex_color = hex_color.lstrip('#')
|
||
return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))
|
||
|
||
|
||
def rgb_to_hex(r: int, g: int, b: int) -> str:
|
||
"""将RGB颜色转换为十六进制
|
||
|
||
Args:
|
||
r: 红色分量 (0-255)
|
||
g: 绿色分量 (0-255)
|
||
b: 蓝色分量 (0-255)
|
||
|
||
Returns:
|
||
十六进制颜色代码
|
||
"""
|
||
return f'#{r:02x}{g:02x}{b:02x}'
|