[gtk/matthiasc/lottie2] Implement gsk_circle_contour_add_segment
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/matthiasc/lottie2] Implement gsk_circle_contour_add_segment
- Date: Wed, 25 Nov 2020 23:34:38 +0000 (UTC)
commit ae8c9e37eb9e60ed03dfe7c58f80670ff0a8a5bb
Author: Matthias Clasen <mclasen redhat com>
Date: Wed Nov 25 17:35:50 2020 -0500
Implement gsk_circle_contour_add_segment
gsk/gskpath.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
---
diff --git a/gsk/gskpath.c b/gsk/gskpath.c
index 594ddd3b7c..caff9dc78d 100644
--- a/gsk/gskpath.c
+++ b/gsk/gskpath.c
@@ -155,6 +155,10 @@ gsk_find_point_on_line (const graphene_point_t *a,
}
}
+static GskContour *
+gsk_path_builder_add_contour_by_klass (GskPathBuilder *builder,
+ const GskContourClass *klass);
+
/* RECT CONTOUR */
typedef struct _GskRectContour GskRectContour;
@@ -623,6 +627,13 @@ gsk_circle_contour_copy (const GskContour *contour,
*target = *self;
}
+static void
+gsk_circle_contour_init (GskContour *contour,
+ const graphene_point_t *center,
+ float radius,
+ float start_angle,
+ float end_angle);
+
static void
gsk_circle_contour_add_segment (const GskContour *contour,
GskPathBuilder *builder,
@@ -630,7 +641,17 @@ gsk_circle_contour_add_segment (const GskContour *contour,
float start,
float end)
{
- g_warning ("FIXME");
+ const GskCircleContour *self = (const GskCircleContour *) contour;
+ float delta = self->end_angle - self->start_angle;
+ float length = self->radius * DEG_TO_RAD (delta);
+ GskContour *segment;
+
+ segment = gsk_path_builder_add_contour_by_klass (builder, contour->klass);
+
+ gsk_circle_contour_init (segment,
+ &self->center, self->radius,
+ self->start_angle + start/length * delta,
+ self->start_angle + end/length * delta);
}
static const GskContourClass GSK_CIRCLE_CONTOUR_CLASS =
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