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c9ef5e5c44
- Removed unused imports from various test files to streamline code. - Cleaned up whitespace in test cases for better consistency. - Updated dependency management in `uv.lock` to reflect changes in optional dependencies. - Ensured all tests maintain functionality while enhancing clarity and organization.
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Font management with Skia."""
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import skia
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class FontCache:
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"""Cache for Skia fonts and typefaces."""
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_instance = None
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super().__new__(cls)
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cls._instance._font_cache = {}
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cls._instance._default_typeface = None
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return cls._instance
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def get_typeface(self):
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"""Get the default typeface, creating it if needed."""
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if self._default_typeface is None:
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self._default_typeface = skia.Typeface.MakeDefault()
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return self._default_typeface
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def get_font(self, size: int, weight: str = "normal", style: str = "normal") -> skia.Font:
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"""Get a cached Skia font for the given parameters."""
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key = (size, weight, style)
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if key not in self._font_cache:
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typeface = self.get_typeface()
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self._font_cache[key] = skia.Font(typeface, size)
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return self._font_cache[key]
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def measure_text(self, text: str, font: skia.Font) -> float:
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"""Measure the width of text using the given font."""
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return font.measureText(text)
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def get_line_height(self, font_size: int) -> float:
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"""Get the line height for a given font size."""
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return font_size * 1.4
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# Global font cache instance
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_font_cache = FontCache()
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def get_font(size: int, weight: str = "normal", style: str = "normal") -> skia.Font:
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"""Get a cached font."""
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return _font_cache.get_font(size, weight, style)
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def measure_text(text: str, size: int) -> float:
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"""Measure text width at given font size."""
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font = get_font(size)
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return _font_cache.measure_text(text, font)
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def linespace(font_size: int) -> float:
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"""Get line height for font size."""
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return _font_cache.get_line_height(font_size)
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