NRArenaItem *
sp_mask_show (SPMask *mask, NRArena *arena, unsigned int key)
{
NRArenaItem *ai, *ac;
SPObject *child;
g_return_val_if_fail (mask != NULL, NULL);
g_return_val_if_fail (SP_IS_MASK (mask), NULL);
g_return_val_if_fail (arena != NULL, NULL);
g_return_val_if_fail (NR_IS_ARENA (arena), NULL);
ai = nr_arena_item_new (arena, NR_TYPE_ARENA_GROUP);
mask->display = sp_mask_view_new_prepend (mask->display, key, ai);
for (child = SP_OBJECTGROUP (mask)->children; child != NULL; child = child->next) {
if (SP_IS_ITEM (child)) {
ac = sp_item_invoke_show (SP_ITEM (child), arena, key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
/* The order is not important in mask */
nr_arena_item_add_child (ai, ac, NULL);
nr_arena_item_unref (ac);
}
}
}
if (mask->maskContentUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
NRMatrixF t;
nr_matrix_f_set_scale (&t, mask->display->bbox.x1 - mask->display->bbox.x0, mask->display->bbox.y1 - mask->display->bbox.y0);
t.c[4] = mask->display->bbox.x0;
t.c[5] = mask->display->bbox.y0;
nr_arena_group_set_child_transform (NR_ARENA_GROUP (ai), &t);
}
return ai;
}
NRArenaItem *
sp_clippath_show(SPClipPath *cp, NRArena *arena, unsigned int key)
{
g_return_val_if_fail(cp != NULL, NULL);
g_return_val_if_fail(SP_IS_CLIPPATH(cp), NULL);
g_return_val_if_fail(arena != NULL, NULL);
g_return_val_if_fail(NR_IS_ARENA(arena), NULL);
NRArenaItem *ai = NRArenaGroup::create(arena);
cp->display = sp_clippath_view_new_prepend(cp->display, key, ai);
for (SPObject *child = sp_object_first_child(SP_OBJECT(cp)) ; child != NULL; child = SP_OBJECT_NEXT(child)) {
if (SP_IS_ITEM(child)) {
NRArenaItem *ac = sp_item_invoke_show(SP_ITEM(child), arena, key, SP_ITEM_REFERENCE_FLAGS);
if (ac) {
/* The order is not important in clippath */
nr_arena_item_add_child(ai, ac, NULL);
}
}
}
if (cp->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
Geom::Matrix t(Geom::Scale(cp->display->bbox.x1 - cp->display->bbox.x0, cp->display->bbox.y1 - cp->display->bbox.y0));
t[4] = cp->display->bbox.x0;
t[5] = cp->display->bbox.y0;
nr_arena_group_set_child_transform(NR_ARENA_GROUP(ai), &t);
}
return ai;
}
static void
sp_mask_update (SPObject *object, SPCtx *ctx, guint flags)
{
SPObjectGroup *og;
SPMask *mask;
SPObject *child;
SPMaskView *v;
GSList *l;
og = SP_OBJECTGROUP (object);
mask = SP_MASK (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 = mask->display; v != NULL; v = v->next) {
if (mask->maskContentUnits == 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_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);
}
}
}
void nr_arena_group_set_child_transform(NRArenaGroup *group, Geom::Matrix const &t)
{
Geom::Matrix nt(t);
nr_arena_group_set_child_transform(group, &nt);
}
