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Mention advanced font rendering features

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Patrick Walton 2017-10-06 20:03:18 -07:00
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@ -15,15 +15,19 @@ The project features:
generate them at runtime.
* High quality antialiasing. Pathfinder can compute exact fractional trapezoidal area coverage on a
per-pixel basis for crisp antialiasing, provided that either OpenGL 3.0+ or a few common
extensions are available. Supersampling is available as an alternative for 3D scenes and/or
lower-end hardware.
per-pixel basis for the highest-quality antialiasing, provided that either OpenGL 3.0+ or a few
common extensions are available. Supersampling is available as an alternative for 3D scenes
and/or lower-end hardware.
* Fast rendering, even at small pixel sizes. Even on lower-end GPUs, Pathfinder typically matches
or exceeds the performance of the best CPU rasterizers. The difference is particularly pronouced
at large sizes, where Pathfinder regularly achieves multi-factor speedups. All shaders have no
loops and minimal branching.
* Advanced font rendering. Pathfinder can render fonts with slight hinting and can perform subpixel
antialiasing on LCD screens. It also has experimental support for sRGB (gamma correction) and
stem darkening/font dilation.
* Support for full vector scenes. Pathfinder 2 is designed to efficiently handle workloads that
consist of many overlapping vector paths, such as those commonly found in SVG and PDF files. It
makes heavy use of the hardware Z buffer to perform occlusion culling, which often results in