static void
sp_clippath_set(SPObject *object, unsigned int key, gchar const *value)
{
SPClipPath *cp = SP_CLIPPATH(object);
switch (key) {
case SP_ATTR_CLIPPATHUNITS:
cp->clipPathUnits = SP_CONTENT_UNITS_USERSPACEONUSE;
cp->clipPathUnits_set = FALSE;
if (value) {
if (!strcmp(value, "userSpaceOnUse")) {
cp->clipPathUnits_set = TRUE;
} else if (!strcmp(value, "objectBoundingBox")) {
cp->clipPathUnits = SP_CONTENT_UNITS_OBJECTBOUNDINGBOX;
cp->clipPathUnits_set = TRUE;
}
}
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
break;
default:
if (((SPObjectClass *) parent_class)->set)
((SPObjectClass *) parent_class)->set(object, key, value);
break;
}
}
static void
sp_clippath_modified (SPObject *object, guint flags)
{
SPObjectGroup *og;
SPClipPath *cp;
SPObject *child;
GSList *l;
og = SP_OBJECTGROUP (object);
cp = SP_CLIPPATH (object);
if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
flags &= SP_OBJECT_MODIFIED_CASCADE;
l = NULL;
for (child = og->children; child != NULL; child = child->next) {
g_object_ref (G_OBJECT (child));
l = g_slist_prepend (l, child);
}
l = g_slist_reverse (l);
while (l) {
child = SP_OBJECT (l->data);
l = g_slist_remove (l, child);
if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
sp_object_invoke_modified (child, flags);
}
g_object_unref (G_OBJECT (child));
}
}
static void
sp_clippath_child_added (SPObject *object, SPRepr *child, SPRepr *ref)
{
SPClipPath *cp;
SPObject *ochild;
cp = SP_CLIPPATH (object);
/* Invoke SPObjectGroup implementation */
((SPObjectClass *) (parent_class))->child_added (object, child, ref);
/* Show new object */
ochild = sp_document_lookup_id (SP_OBJECT_DOCUMENT (object), sp_repr_attr (child, "id"));
if (SP_IS_ITEM (ochild)) {
SPClipPathView *v;
for (v = cp->display; v != NULL; v = v->next) {
NRArenaItem *ac;
ac = sp_item_invoke_show (SP_ITEM (ochild), NR_ARENA_ITEM_ARENA (v->arenaitem), v->key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
nr_arena_item_add_child (v->arenaitem, ac, NULL);
nr_arena_item_unref (ac);
}
}
}
}
static void
sp_clippath_remove_child (SPObject *object, SPRepr *child)
{
SPClipPath *cp;
cp = SP_CLIPPATH (object);
/* Invoke SPObjectGroup implementation */
((SPObjectClass *) (parent_class))->remove_child (object, child);
}
static void
sp_clippath_build (SPObject *object, SPDocument *document, SPRepr *repr)
{
SPClipPath *cp;
cp = SP_CLIPPATH (object);
if (((SPObjectClass *) parent_class)->build)
((SPObjectClass *) parent_class)->build (object, document, repr);
sp_object_read_attr (object, "clipPathUnits");
/* Register ourselves */
sp_document_add_resource (document, "clipPath", object);
}
static SPRepr *
sp_clippath_write (SPObject *object, SPRepr *repr, guint flags)
{
SPClipPath *cp;
cp = SP_CLIPPATH (object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = sp_repr_new ("clipPath");
}
if (((SPObjectClass *) (parent_class))->write)
((SPObjectClass *) (parent_class))->write (object, repr, flags);
return repr;
}
static void
sp_clippath_release(SPObject * object)
{
if (SP_OBJECT_DOCUMENT(object)) {
/* Unregister ourselves */
sp_document_remove_resource(SP_OBJECT_DOCUMENT(object), "clipPath", object);
}
SPClipPath *cp = SP_CLIPPATH(object);
while (cp->display) {
/* We simply unref and let item manage this in handler */
cp->display = sp_clippath_view_list_remove(cp->display, cp->display);
}
if (((SPObjectClass *) (parent_class))->release) {
((SPObjectClass *) parent_class)->release(object);
}
}
static void
sp_clippath_update (SPObject *object, SPCtx *ctx, guint flags)
{
SPObjectGroup *og;
SPClipPath *cp;
SPObject *child;
SPClipPathView *v;
GSList *l;
og = SP_OBJECTGROUP (object);
cp = SP_CLIPPATH (object);
if (flags & SP_OBJECT_MODIFIED_FLAG) flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
flags &= SP_OBJECT_MODIFIED_CASCADE;
l = NULL;
for (child = og->children; child != NULL; child = child->next) {
g_object_ref (G_OBJECT (child));
l = g_slist_prepend (l, child);
}
l = g_slist_reverse (l);
while (l) {
child = SP_OBJECT (l->data);
l = g_slist_remove (l, child);
if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
sp_object_invoke_update (child, ctx, flags);
}
g_object_unref (G_OBJECT (child));
}
for (v = cp->display; v != NULL; v = v->next) {
if (cp->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
NRMatrixF t;
nr_matrix_f_set_scale (&t, v->bbox.x1 - v->bbox.x0, v->bbox.y1 - v->bbox.y0);
t.c[4] = v->bbox.x0;
t.c[5] = v->bbox.y0;
nr_arena_group_set_child_transform (NR_ARENA_GROUP (v->arenaitem), &t);
} else {
nr_arena_group_set_child_transform (NR_ARENA_GROUP (v->arenaitem), NULL);
}
}
}
static void
sp_clippath_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
{
/* Invoke SPObjectGroup implementation */
((SPObjectClass *) (parent_class))->child_added(object, child, ref);
/* Show new object */
SPObject *ochild = SP_OBJECT_DOCUMENT(object)->getObjectByRepr(child);
if (SP_IS_ITEM(ochild)) {
SPClipPath *cp = SP_CLIPPATH(object);
for (SPClipPathView *v = cp->display; v != NULL; v = v->next) {
NRArenaItem *ac = sp_item_invoke_show(SP_ITEM(ochild),
NR_ARENA_ITEM_ARENA(v->arenaitem),
v->key,
SP_ITEM_REFERENCE_FLAGS);
if (ac) {
nr_arena_item_add_child(v->arenaitem, ac, NULL);
}
}
}
}
static void
sp_clippath_update(SPObject *object, SPCtx *ctx, guint flags)
{
if (flags & SP_OBJECT_MODIFIED_FLAG) {
flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
flags &= SP_OBJECT_MODIFIED_CASCADE;
SPObjectGroup *og = SP_OBJECTGROUP(object);
GSList *l = NULL;
for (SPObject *child = sp_object_first_child(SP_OBJECT(og)); child != NULL; child = SP_OBJECT_NEXT(child)) {
g_object_ref(G_OBJECT(child));
l = g_slist_prepend(l, child);
}
l = g_slist_reverse(l);
while (l) {
SPObject *child = SP_OBJECT(l->data);
l = g_slist_remove(l, child);
if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
child->updateDisplay(ctx, flags);
}
g_object_unref(G_OBJECT(child));
}
SPClipPath *cp = SP_CLIPPATH(object);
for (SPClipPathView *v = cp->display; v != NULL; v = v->next) {
if (cp->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
Geom::Matrix t(Geom::Scale(v->bbox.x1 - v->bbox.x0, v->bbox.y1 - v->bbox.y0));
t[4] = v->bbox.x0;
t[5] = v->bbox.y0;
nr_arena_group_set_child_transform(NR_ARENA_GROUP(v->arenaitem), &t);
} else {
nr_arena_group_set_child_transform(NR_ARENA_GROUP(v->arenaitem), NULL);
}
}
}