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new Color class replacing bare hex strings, WCAG contrast ratio and relative luminance functions, allow automatic selection of more ideal contrasting colors

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Xevion
2021-01-20 23:24:48 -06:00
parent c3bb1f1fee
commit fd7cf3bdec
3 changed files with 125 additions and 14 deletions
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14
server/commands.py
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@@ -70,14 +70,20 @@ class CommandHandler:
logger.error(f'Could not process client {self.client.nickname}\'s command request.', exc_info=e)
return 'A fatal error occurred while trying to process this command.'
def reroll(self) -> str:
def reroll(self, minimum_contrast: float = 4.65) -> str:
"""
Randomly change the client's color to a different color.
"""
newColor = random.choice(constants.Colors.ALL)
newColorName = constants.Colors.ALL_NAMES[constants.Colors.ALL.index(newColor)]
i = 0
newColor = self.client.color
choices = constants.Colors.has_contrast(float(minimum_contrast))
while i < 50 and newColor == self.client.color:
newColor = random.choice(choices)
self.client.color = newColor
return f'Changed your color to {newColorName} ({newColor})'
contrast = round(constants.Colors.WHITE.contrast_ratio(newColor), 1)
return f'Changed your color to {newColor.name} ({newColor.hex}/{contrast})'
def help(self, command: str) -> Optional[str]:
"""