Class: TG::Geometry::Polygon

Inherits:
Object
  • Object
show all
Defined in:
ext/tg_geometry/tg_geometry_ext.c

Instance Method Summary collapse

Instance Method Details

#bbox ⇒ Object 



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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1881

static VALUE rb_tg_geometry_polygon_bbox(VALUE self) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    VALUE rect = rect_from_tg_rect(tg_poly_rect(w->poly));

    RB_GC_GUARD(self);
    return rect;
}

#clockwise? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1925

static VALUE rb_tg_geometry_polygon_clockwise_p(VALUE self) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    return tg_poly_clockwise(w->poly) ? Qtrue : Qfalse;
}

#exterior_ring ⇒ Object 



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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1889

static VALUE rb_tg_geometry_polygon_exterior_ring(VALUE self) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    VALUE ring = ring_wrap_borrowed(w->geom_owner, tg_poly_exterior(w->poly));

    RB_GC_GUARD(self);
    return ring;
}

#hole_at(index_value) ⇒ Object 



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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1902

static VALUE rb_tg_geometry_polygon_hole_at(VALUE self, VALUE index_value) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    int index = checked_child_index(index_value, tg_poly_num_holes(w->poly), "polygon hole");
    VALUE ring = ring_wrap_borrowed(w->geom_owner, tg_poly_hole_at(w->poly, index));

    RB_GC_GUARD(self);
    return ring;
}

#holes ⇒ Object 



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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1911

static VALUE rb_tg_geometry_polygon_holes(VALUE self) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    int count = tg_poly_num_holes(w->poly);
    VALUE holes = rb_ary_new_capa(count);

    for (int i = 0; i < count; i++) {
        rb_ary_push(holes, ring_wrap_borrowed(w->geom_owner, tg_poly_hole_at(w->poly, i)));
    }

    RB_GC_GUARD(self);
    RB_GC_GUARD(holes);
    return holes;
}

#num_holes ⇒ Object 



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# File 'ext/tg_geometry/tg_geometry_ext.c', line 1897

static VALUE rb_tg_geometry_polygon_num_holes(VALUE self) {
    tg_polygon_wrapper_t *w = get_polygon_wrapper(self);
    return INT2NUM(tg_poly_num_holes(w->poly));
}