diff options
Diffstat (limited to 'include/core/SkColorFilter.h')
-rw-r--r-- | include/core/SkColorFilter.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/core/SkColorFilter.h b/include/core/SkColorFilter.h index 6359563d51..46ecedc6df 100644 --- a/include/core/SkColorFilter.h +++ b/include/core/SkColorFilter.h @@ -18,6 +18,14 @@ class SkBitmap; class GrEffectRef; class GrContext; +/** + * ColorFilters are optional objects in the drawing pipeline. When present in + * a paint, they are called with the "src" colors, and return new colors, which + * are then passed onto the next stage (either ImageFilter or Xfermode). + * + * All subclasses are required to be reentrant-safe : it must be legal to share + * the same instance between several threads. + */ class SK_API SkColorFilter : public SkFlattenable { public: SK_DECLARE_INST_COUNT(SkColorFilter) |