/**
* graphene_size_interpolate:
* @a: a #graphene_size_t
* @b: a #graphene_size_t
* @factor: the linear interpolation factor
* @res: (out caller-allocates): return location for the interpolated size
*
* Linearly interpolates the two given #graphene_size_t using the given
* interpolation @factor.
*
* Since: 1.0
*/
void
graphene_size_interpolate (const graphene_size_t *a,
const graphene_size_t *b,
double factor,
graphene_size_t *res)
{
res->width = graphene_lerp (a->width, b->width, factor);
res->height = graphene_lerp (a->height, b->height, factor);
}
/**
* graphene_point_interpolate:
* @a: a #graphene_point_t
* @b: a #graphene_point_t
* @factor: the linear interpolation factor
* @res: (out caller-allocates): return location for the interpolated
* point
*
* Linearly interpolates the coordinates of @a and @b using the
* given @factor.
*
* Since: 1.0
*/
void
graphene_point_interpolate (const graphene_point_t *a,
const graphene_point_t *b,
double factor,
graphene_point_t *res)
{
res->x = graphene_lerp (a->x, b->x, factor);
res->y = graphene_lerp (a->y, b->y, factor);
}
/**
* graphene_rect_interpolate:
* @a: a #graphene_rect_t
* @b: a #graphene_rect_t
* @factor: the linear interpolation factor
* @res: (out caller-allocates): return location for the
* interpolated rectangle
*
* Linearly interpolates the origin and size of the two given
* rectangles.
*
* Since: 1.0
*/
void
graphene_rect_interpolate (const graphene_rect_t *a,
const graphene_rect_t *b,
double factor,
graphene_rect_t *res)
{
graphene_rect_t ra, rb;
ra = *a;
graphene_rect_normalize_in_place (&ra);
rb = *b;
graphene_rect_normalize_in_place (&rb);
res->origin.x = graphene_lerp (ra.origin.x, rb.origin.x, factor);
res->origin.y = graphene_lerp (ra.origin.y, rb.origin.y, factor);
res->size.width = graphene_lerp (ra.size.width, rb.size.width, factor);
res->size.height = graphene_lerp (ra.size.height, rb.size.height, factor);
}
