quartz: Make radial gradients follow PDF specification

Pixman master (soon to become pixman 0.20) implements radial
gradients based on the PDF specification (section 8.7.4.5.4).
Quartz natively implements them, so falling back is not needed
anymore.

1 files changed, 0 insertions, 14 deletions

diff --git a/src/cairo-quartz-surface.c b/src/cairo-quartz-surface.c
index 422a853e..251862f9 100644
--- a/src/cairo-quartz-surface.c
+++ b/src/cairo-quartz-surface.c
@@ -1459,23 +1459,9 @@ _cairo_quartz_setup_radial_source (cairo_quartz_surface_t *surface,
     double c2y = _cairo_fixed_to_double (rpat->c2.y);
     double r1 = _cairo_fixed_to_double (rpat->r1);
     double r2 = _cairo_fixed_to_double (rpat->r2);
-    double dx = c1x - c2x;
-    double dy = c1y - c2y;
-    double centerDistance = sqrt (dx*dx + dy*dy);
 
     assert (rpat->base.n_stops > 0);
 
-    if (r2 <= centerDistance + r1 + 1e-6 && /* circle 2 doesn't contain circle 1 */
-        r1 <= centerDistance + r2 + 1e-6) { /* circle 1 doesn't contain circle 2 */
-	/* Quartz handles cases where neither circle contains the other very
-	 * differently from pixman.
-	 * Whatever the correct behaviour is, let's at least have only pixman's
-	 * implementation to worry about.
-	 * Note that this also catches the cases where r1 == r2.
-	 */
-	return _cairo_quartz_setup_fallback_source (surface, abspat);
-    }
-
     mat = abspat->matrix;
     cairo_matrix_invert (&mat);
     _cairo_quartz_cairo_matrix_to_quartz (&mat, &surface->sourceTransform);