diff options
Diffstat (limited to 'gsk/gskrendernodeimpl.c')
| -rw-r--r-- | gsk/gskrendernodeimpl.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gsk/gskrendernodeimpl.c b/gsk/gskrendernodeimpl.c index fb6c659baf..f932c38185 100644 --- a/gsk/gskrendernodeimpl.c +++ b/gsk/gskrendernodeimpl.c @@ -782,6 +782,7 @@ struct _GskConicGradientNode graphene_point_t center; float rotation; + float angle; gsize n_stops; GskColorStop *stops; @@ -1023,6 +1024,12 @@ gsk_conic_gradient_node_new (const graphene_rect_t *bounds, self->stops = g_malloc_n (n_color_stops, sizeof (GskColorStop)); memcpy (self->stops, color_stops, n_color_stops * sizeof (GskColorStop)); + self->angle = 90.f - self->rotation; + self->angle = G_PI * self->angle / 180.f; + self->angle = fmodf (self->angle, 2.f * G_PI); + if (self->angle < 0.f) + self->angle += 2.f * G_PI; + return node; } @@ -1095,6 +1102,26 @@ gsk_conic_gradient_node_get_rotation (GskRenderNode *node) return self->rotation; } +/** + * gsk_conic_gradient_node_get_angle: + * @node: (type GskConicGradientNode): a #GskRenderNode for a conic gradient + * + * Retrieves the angle for the gradient in radians, normalized in [0, 2 * PI] + * + * The angle is starting at the top and going clockwise, as expressed + * in the css specification: + * angle = 90 - gsk_conic_gradient_node_get_rotation() + * + * Returns: the angle for the gradient + */ +float +gsk_conic_gradient_node_get_angle (GskRenderNode *node) +{ + GskConicGradientNode *self = (GskConicGradientNode *) node; + + return self->angle; +} + /*** GSK_BORDER_NODE ***/ /** |