Definition at line 429 of file g_box.c.
References FP_MAX, FP_MIN, lw_arc_center(), lw_segment_side(), LW_SUCCESS, LWDEBUG, POINT2D::x, GBOX::xmax, GBOX::xmin, POINT2D::y, GBOX::ymax, and GBOX::ymin.
Referenced by lw_arc_calculate_gbox_cartesian(), and ptarrayarc_contains_point_partial().
431 POINT2D xmin, ymin, xmax, ymax;
436 LWDEBUG(2,
"lw_arc_calculate_gbox_cartesian_2d called.");
451 if ( A1->
x == A3->
x && A1->
y == A3->
y )
453 gbox->
xmin = C.
x - radius_A;
454 gbox->
ymin = C.
y - radius_A;
455 gbox->
xmax = C.
x + radius_A;
456 gbox->
ymax = C.
y + radius_A;
467 xmin.
x = C.
x - radius_A;
470 ymin.
y = C.
y - radius_A;
471 xmax.
x = C.
x + radius_A;
474 ymax.
y = C.
y + radius_A;
double lw_arc_center(const POINT2D *p1, const POINT2D *p2, const POINT2D *p3, POINT2D *result)
Determines the center of the circle defined by the three given points.
#define LWDEBUG(level, msg)
int lw_segment_side(const POINT2D *p1, const POINT2D *p2, const POINT2D *q)
lw_segment_side()