fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-01-30 08:10:29 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

quartz: Make radial gradients follow PDF specification

Browse source 
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.
This commit is contained in:
Andrea Canciani 2010-10-12 15:37:23 +02:00
parent 5054727927
commit 2cea2bb085
1 changed files with 0 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/cairo-quartz-surface.c
View file

@ -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);