static void
_adg_dup_reverse_named_pairs(AdgModel *model, const cairo_matrix_t *matrix)
{
AdgNamedPair *old_named_pair;
AdgNamedPair named_pair;
GSList *named_pairs;
/* Populate named_pairs with all the named pairs of model */
named_pairs = NULL;
adg_model_foreach_named_pair(model, _adg_get_named_pair, &named_pairs);
/* Readd the pairs applying the reversing transformation matrix to
* their coordinates and prepending a "-" to their name */
while (named_pairs) {
old_named_pair = named_pairs->data;
named_pair.name = g_strdup_printf("-%s", old_named_pair->name);
named_pair.pair = old_named_pair->pair;
cpml_pair_transform(&named_pair.pair, matrix);
adg_model_set_named_pair(model, named_pair.name, &named_pair.pair);
g_free((gpointer) named_pair.name);
named_pairs = g_slist_delete_link(named_pairs, named_pairs);
}
}
/**
* adg_model_set_named_pair_explicit:
* @model: an #AdgModel
* @name: the name to associate to the pair
* @x: the x coordinate of the point
* @y: the y coordinate of the point
*
* <note><para>
* This function is only useful in model definitions, such as
* inside an #AdgTrailCallback function or while constructing
* an #AdgPath instance.
* </para></note>
*
* Convenient wrapper on adg_model_set_named_pair() that accepts
* explicit coordinates.
*
* Since: 1.0
**/
void
adg_model_set_named_pair_explicit(AdgModel *model, const gchar *name,
gdouble x, gdouble y)
{
CpmlPair pair;
pair.x = x;
pair.y = y;
adg_model_set_named_pair(model, name, &pair);
}
static void
_adg_behavior_named_pair(void)
{
CpmlPair p1 = { 123, 456 };
AdgPoint *explicit_point, *explicit_point2, *model_point;
AdgModel *model;
CpmlPair *pair;
explicit_point = adg_point_new();
g_assert_nonnull(explicit_point);
adg_point_set_pair(explicit_point, &p1);
explicit_point2 = adg_point_new();
g_assert_nonnull(explicit_point2);
adg_point_set_pair_explicit(explicit_point2, p1.x, p1.y);
/* Checking comparison APIs */
g_assert_true(adg_point_equal(explicit_point, explicit_point2));
adg_point_set_pair_explicit(explicit_point2, 78, 90);
g_assert_false(adg_point_equal(explicit_point, explicit_point2));
pair = (CpmlPair *) explicit_point2;
adg_assert_isapprox(pair->x, 78);
adg_assert_isapprox(pair->y, 90);
pair = adg_point_get_pair(explicit_point);
g_assert_true(cpml_pair_equal(pair, &p1));
g_free(pair);
model = ADG_MODEL(adg_path_new());
g_assert_nonnull(model);
adg_model_set_named_pair(model, "named-pair", &p1);
model_point = adg_point_new();
g_assert_nonnull(model_point);
adg_point_set_pair_from_model(model_point, model, "named-pair");
pair = adg_point_get_pair(model_point);
g_assert_true(cpml_pair_equal(pair, &p1));
g_free(pair);
/* Ensure ADG does not consider an explicit point equals to
* a point bound to a named pair with the same coordinates */
g_assert_false(adg_point_equal(explicit_point, model_point));
/* Check for lazy evaluation of named pairs */
adg_point_set_pair_from_model(model_point, model, "unexistent-pair");
pair = (CpmlPair *) model_point;
adg_assert_isapprox(pair->x, p1.x);
adg_assert_isapprox(pair->y, p1.y);
/* Check behavior on undefined named pair */
g_assert_false(adg_point_update(model_point));
g_assert_null(adg_point_get_pair(model_point));
adg_point_set_pair_from_model(model_point, model, "named-pair");
g_assert_true(adg_point_update(model_point));
/* Check for case sensitiveness */
adg_point_set_pair_from_model(model_point, model, "Named-Pair");
g_assert_null(adg_point_get_pair(model_point));
g_assert_false(adg_point_update(model_point));
/* Check if adg_point_get_pair() triggers an adg_point_update() */
adg_point_set_pair_from_model(model_point, model, "named-pair");
pair = adg_point_get_pair(model_point);
g_assert_true(cpml_pair_equal(pair, &p1));
g_free(pair);
adg_point_destroy(explicit_point);
adg_point_destroy(model_point);
g_object_unref(model);
}
static void
_adg_property_org1(void)
{
AdgADim *adim;
AdgModel *model;
AdgPoint *origin, *explicit_point, *model_point;
AdgPoint *org1;
adim = adg_adim_new();
model = ADG_MODEL(adg_path_new());
origin = adg_point_new();
explicit_point = adg_point_new();
model_point = adg_point_new();
adg_point_set_pair_explicit(origin, 0, 0);
adg_point_set_pair_explicit(explicit_point, 123, 321);
adg_model_set_named_pair(model, "named-pair", (CpmlPair *) explicit_point);
adg_point_set_pair_from_model(model_point, model, "named-pair");
/* Ensure ADG does not consider an explicit point equals to
* a point bound to a named pair with the same coordinates */
g_assert_false(adg_point_equal(explicit_point, model_point));
org1 = adg_adim_get_org1(adim);
g_assert_null(org1);
/* Using the public APIs */
adg_adim_set_org1_explicit(adim, 0, 0);
org1 = adg_adim_get_org1(adim);
g_assert_true(adg_point_equal(org1, origin));
adg_adim_set_org1(adim, NULL);
org1 = adg_adim_get_org1(adim);
g_assert_null(org1);
adg_adim_set_org1(adim, explicit_point);
org1 = adg_adim_get_org1(adim);
g_assert_true(adg_point_equal(org1, explicit_point));
adg_adim_set_org1_from_model(adim, model, "dummy");
org1 = adg_adim_get_org1(adim);
g_assert_nonnull(org1);
adg_adim_set_org1_from_model(adim, model, "named-pair");
org1 = adg_adim_get_org1(adim);
g_assert_true(adg_point_equal(org1, model_point));
/* Using GObject property methods */
g_object_set(adim, "org1", origin, NULL);
g_object_get(adim, "org1", &org1, NULL);
g_assert_true(adg_point_equal(org1, origin));
adg_point_destroy(org1);
g_object_set(adim, "org1", NULL, NULL);
g_object_get(adim, "org1", &org1, NULL);
g_assert_null(org1);
g_object_set(adim, "org1", explicit_point, NULL);
g_object_get(adim, "org1", &org1, NULL);
g_assert_true(adg_point_equal(org1, explicit_point));
adg_point_destroy(org1);
adg_adim_set_org1_from_model(adim, model, "dummy");
g_object_get(adim, "org1", &org1, NULL);
g_assert_nonnull(org1);
adg_point_destroy(org1);
g_object_set(adim, "org1", model_point, NULL);
g_object_get(adim, "org1", &org1, NULL);
g_assert_true(adg_point_equal(org1, model_point));
adg_point_destroy(org1);
adg_point_destroy(origin);
adg_point_destroy(explicit_point);
adg_point_destroy(model_point);
adg_entity_destroy(ADG_ENTITY(adim));
g_object_unref(model);
}