diff options
-rw-r--r-- | src/cairo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cairo.c b/src/cairo.c index cefc9253..5f8d2661 100644 --- a/src/cairo.c +++ b/src/cairo.c @@ -816,7 +816,10 @@ cairo_get_source (cairo_t *cr) * is less than @tolerance. The default value is 0.1. A larger * value will give better performance, a smaller value, better * appearance. (Reducing the value from the default value of 0.1 - * is unlikely to improve appearance significantly.) + * is unlikely to improve appearance significantly.) The accuracy of paths + * within Cairo is limited by the precision of its internal arithmetic, and + * the prescribed @tolerance is restricted to the smallest + * representable internal value. **/ void cairo_set_tolerance (cairo_t *cr, double tolerance) |