static void
_cpml_method_get_n_points(void)
{
CpmlSegment segment;
CpmlPrimitive primitive;
size_t n_points;
cpml_segment_from_cairo(&segment, (cairo_path_t *) adg_test_path());
/* Line */
cpml_primitive_from_segment(&primitive, &segment);
n_points = cpml_primitive_get_n_points(&primitive);
g_assert_cmpuint(n_points, ==, 2);
/* Arc */
cpml_primitive_next(&primitive);
n_points = cpml_primitive_get_n_points(&primitive);
g_assert_cmpuint(n_points, ==, 3);
/* Curve */
cpml_primitive_next(&primitive);
n_points = cpml_primitive_get_n_points(&primitive);
g_assert_cmpuint(n_points, ==, 4);
/* Close: although the end point is not needed, the CPML API
* returns 2 points to treat this primitive as a CPML_LINE */
cpml_primitive_next(&primitive);
n_points = cpml_primitive_get_n_points(&primitive);
g_assert_cmpuint(n_points, ==, 2);
}
static void
_cpml_sanity_get_n_points(gint i)
{
switch (i) {
case 1:
cpml_primitive_get_n_points(NULL);
break;
default:
g_test_trap_assert_failed();
break;
}
}
/**
* cpml_segment_transform:
* @segment: a #CpmlSegment
* @matrix: the matrix to be applied
*
* Applies @matrix on all the points of @segment.
*
* Since: 1.0
**/
void
cpml_segment_transform(CpmlSegment *segment, const cairo_matrix_t *matrix)
{
CpmlPrimitive primitive;
cairo_path_data_t *data;
size_t n_points;
cpml_primitive_from_segment(&primitive, segment);
cairo_matrix_transform_point(matrix, &(primitive.org)->point.x,
&(primitive.org)->point.y);
do {
data = primitive.data;
if (data->header.type != CPML_CLOSE) {
n_points = cpml_primitive_get_n_points(&primitive);
while (--n_points > 0) {
++data;
cairo_matrix_transform_point(matrix,
&data->point.x, &data->point.y);
}
}
} while (cpml_primitive_next(&primitive));
}
