static void
_cpml_method_put_extents(void)
{
CpmlSegment segment;
CpmlPrimitive primitive;
CpmlExtents extents;
cpml_segment_from_cairo(&segment, (cairo_path_t *) adg_test_path());
/* Line */
cpml_primitive_from_segment(&primitive, &segment);
cpml_primitive_put_extents(&primitive, &extents);
g_assert_true(extents.is_defined);
adg_assert_isapprox(extents.org.x, 0);
adg_assert_isapprox(extents.org.y, 1);
adg_assert_isapprox(extents.size.x, 3);
adg_assert_isapprox(extents.size.y, 0);
/* Arc: the extents are computed precisely... let's ensure
* at least all the 3 points are included */
cpml_primitive_next(&primitive);
cpml_primitive_put_extents(&primitive, &extents);
g_assert_true(extents.is_defined);
g_assert_cmpfloat(extents.org.x, <=, 3);
g_assert_cmpfloat(extents.org.y, <=, 1);
g_assert_cmpfloat(extents.size.x, >=, 3);
g_assert_cmpfloat(extents.size.y, >=, 6);
/* Curve: actually the extents are computed by using the
* convex hull (hence the exact coordinates of the points) */
cpml_primitive_next(&primitive);
cpml_primitive_put_extents(&primitive, &extents);
g_assert_true(extents.is_defined);
adg_assert_isapprox(extents.org.x, -2);
adg_assert_isapprox(extents.org.y, 2);
adg_assert_isapprox(extents.size.x, 12);
adg_assert_isapprox(extents.size.y, 9);
/* Close */
cpml_primitive_next(&primitive);
cpml_primitive_put_extents(&primitive, &extents);
g_assert_true(extents.is_defined);
adg_assert_isapprox(extents.org.x, -2);
adg_assert_isapprox(extents.org.y, 1);
adg_assert_isapprox(extents.size.x, 2);
adg_assert_isapprox(extents.size.y, 1);
}
static void
_cpml_sanity_put_extents(gint i)
{
CpmlSegment segment;
CpmlPrimitive primitive;
CpmlExtents extents;
cpml_segment_from_cairo(&segment, (cairo_path_t *) adg_test_path());
cpml_primitive_from_segment(&primitive, &segment);
switch (i) {
case 1:
cpml_primitive_put_extents(NULL, &extents);
break;
case 2:
cpml_primitive_put_extents(&primitive, NULL);
break;
default:
g_test_trap_assert_failed();
break;
}
}
/**
* cpml_segment_put_extents:
* @segment: a #CpmlSegment
* @extents: where to store the extents
*
* Gets the whole extents of @segment.
*
* Since: 1.0
**/
void
cpml_segment_put_extents(const CpmlSegment *segment, CpmlExtents *extents)
{
CpmlPrimitive primitive;
CpmlExtents primitive_extents;
extents->is_defined = 0;
cpml_primitive_from_segment(&primitive, (CpmlSegment *) segment);
do {
cpml_primitive_put_extents(&primitive, &primitive_extents);
cpml_extents_add(extents, &primitive_extents);
} while (cpml_primitive_next(&primitive));
}
