static void
_cpml_method_get_length(void)
{
CpmlSegment segment;
CpmlPrimitive primitive;
cpml_segment_from_cairo(&segment, (cairo_path_t *) adg_test_path());
cpml_segment_next(&segment);
cpml_primitive_from_segment(&primitive, &segment);
adg_assert_isapprox(cpml_primitive_get_length(&primitive), 1);
cpml_primitive_next(&primitive);
adg_assert_isapprox(cpml_primitive_get_length(&primitive), 2);
}
static void
_adg_do_chamfer(AdgPath *path, CpmlPrimitive *current)
{
AdgPathPrivate *data;
CpmlPrimitive *last;
gdouble delta1, delta2;
gdouble len1, len2;
CpmlPair pair;
data = path->data;
last = &data->last;
delta1 = data->operation.data.chamfer.delta1;
len1 = cpml_primitive_get_length(last);
if (delta1 >= len1) {
g_warning(_("%s: first chamfer delta of %lf is greather than the available %lf length"),
G_STRLOC, delta1, len1);
return;
}
delta2 = data->operation.data.chamfer.delta2;
len2 = cpml_primitive_get_length(current);
if (delta2 >= len2) {
g_warning(_("%s: second chamfer delta of %lf is greather than the available %lf length"),
G_STRLOC, delta1, len1);
return;
}
/* Change the end point of the last primitive */
cpml_primitive_put_pair_at(last, 1. - delta1 / len1, &pair);
cpml_primitive_set_point(last, -1, &pair);
/* Change the start point of the current primitive */
cpml_primitive_put_pair_at(current, delta2 / len2, &pair);
cpml_primitive_set_point(current, 0, &pair);
/* Add the chamfer line */
data->operation.action = ADG_ACTION_NONE;
adg_path_append(path, CPML_LINE, &pair);
}
static void
_cpml_sanity_get_length(gint i)
{
switch (i) {
case 1:
cpml_primitive_get_length(NULL);
break;
default:
g_test_trap_assert_failed();
break;
}
}
/**
* cpml_segment_get_length:
* @segment: a #CpmlSegment
*
* Gets the whole length of @segment.
*
* Returns: the requested length
*
* Since: 1.0
**/
double
cpml_segment_get_length(const CpmlSegment *segment)
{
CpmlPrimitive primitive;
double length;
cpml_primitive_from_segment(&primitive, (CpmlSegment *) segment);
length = 0;
do {
length += cpml_primitive_get_length(&primitive);
} while (cpml_primitive_next(&primitive));
return length;
}
