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Diffstat (limited to 'site/user/tips.md')
| -rw-r--r-- | site/user/tips.md | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/site/user/tips.md b/site/user/tips.md index c477138fc8..9458ace310 100644 --- a/site/user/tips.md +++ b/site/user/tips.md @@ -81,29 +81,23 @@ process it with `dm`. There are two ways Skia takes advantage of specific hardware. -1. Subclass SkCanvas - - Since all drawing calls go through SkCanvas, those calls can be - redirected to a different graphics API. SkGLCanvas has been - written to direct its drawing calls to OpenGL. See src/gl/ - -2. Custom bottleneck routines +1. Custom bottleneck routines There are sets of bottleneck routines inside the blits of Skia that can be replace on a platform in order to take advantage of specific CPU features. One such example is the NEON SIMD - instructions on ARM v7 devices. See src/opts/ + instructions on ARM v7 devices. See [src/opts/](https://skia.googlesource.com/skia/+/master/src/opts/) * * * <span id="font-hinting">Does Skia support Font hinting?</span> -------------------------------------------------------------- -Skia has a built-in font cache, but it does not know how to actual render font +Skia has a built-in font cache, but it does not know how to actually render font files like TrueType into its cache. For that it relies on the platform to -supply an instance of SkScalerContext. This is Skia's abstract interface for +supply an instance of `SkScalerContext`. This is Skia's abstract interface for communicating with a font scaler engine. In src/ports you can see support -files for FreeType, Mac OS X, and Windows GDI font engines. Other font +files for FreeType, macOS, and Windows GDI font engines. Other font engines can easily be supported in a like manner. @@ -121,7 +115,7 @@ generate the glyphs and their positions, including kerning. together](https://github.com/aam/skiaex). In the example, a `SkTypeface` and a `hb_face_t` are created using the same `mmap()`ed `.ttf` font file. The HarfBuzz face is used to shape unicode text into -a sequence of glyphs and positions, and the SkTypeface can then be +a sequence of glyphs and positions, and the `SkTypeface` can then be used to draw those glyphs. * * * |