/**
* Hide all items that are not listed in list, recursively, skipping groups and defs.
*/
static void hide_other_items_recursively(SPObject *o, GSList *list, unsigned dkey)
{
if ( SP_IS_ITEM(o)
&& !SP_IS_DEFS(o)
&& !SP_IS_ROOT(o)
&& !SP_IS_GROUP(o)
&& !g_slist_find(list, o) )
{
SP_ITEM(o)->invoke_hide(dkey);
}
// recurse
if (!g_slist_find(list, o)) {
for ( SPObject *child = o->firstChild() ; child; child = child->getNext() ) {
hide_other_items_recursively(child, list, dkey);
}
}
}
/**
* Hide all items that are not listed in list, recursively, skipping groups and defs.
*/
static void hide_other_items_recursively(SPObject *o, const std::vector<SPItem*> &list, unsigned dkey)
{
if ( SP_IS_ITEM(o)
&& !SP_IS_DEFS(o)
&& !SP_IS_ROOT(o)
&& !SP_IS_GROUP(o)
&& list.end()==find(list.begin(),list.end(),o))
{
SP_ITEM(o)->invoke_hide(dkey);
}
// recurse
if (list.end()==find(list.begin(),list.end(),o)) {
for ( SPObject *child = o->firstChild() ; child; child = child->getNext() ) {
hide_other_items_recursively(child, list, dkey);
}
}
}
/** Returns true iff \a item is suitable to be included in the selection, in particular
whether it has a bounding box in the desktop coordinate system for rendering resize handles.
Descendents of <defs> nodes (markers etc.) return false, for example.
*/
bool in_dt_coordsys(SPObject const &item)
{
/* Definition based on sp_item_i2doc_affine. */
SPObject const *child = &item;
g_return_val_if_fail(child != NULL, false);
for(;;) {
if (!SP_IS_ITEM(child)) {
return false;
}
SPObject const * const parent = SP_OBJECT_PARENT(child);
if (parent == NULL) {
break;
}
child = parent;
}
g_assert(SP_IS_ROOT(child));
/* Relevance: Otherwise, I'm not sure whether to return true or false. */
return true;
}
void SPUse::update(SPCtx *ctx, unsigned flags) {
// std::cout << "SPUse::update: " << (getId()?getId():"null") << std::endl;
SPItemCtx *ictx = (SPItemCtx *) ctx;
SPItemCtx cctx = *ictx;
unsigned childflags = flags;
if (flags & SP_OBJECT_MODIFIED_FLAG) {
childflags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
}
childflags &= SP_OBJECT_MODIFIED_CASCADE;
/* Set up child viewport */
if (this->x.unit == SVGLength::PERCENT) {
this->x.computed = this->x.value * ictx->viewport.width();
}
if (this->y.unit == SVGLength::PERCENT) {
this->y.computed = this->y.value * ictx->viewport.height();
}
if (this->width.unit == SVGLength::PERCENT) {
this->width.computed = this->width.value * ictx->viewport.width();
}
if (this->height.unit == SVGLength::PERCENT) {
this->height.computed = this->height.value * ictx->viewport.height();
}
childflags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B;
if (this->child) {
sp_object_ref(this->child);
// viewport is only changed if referencing a symbol or svg element
if( SP_IS_SYMBOL(this->child) || SP_IS_ROOT(this->child) ) {
cctx.viewport = Geom::Rect::from_xywh(0, 0, this->width.computed, this->height.computed);
cctx.i2vp = Geom::identity();
}
if (childflags || (this->child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
SPItem const *chi = dynamic_cast<SPItem const *>(child);
g_assert(chi != NULL);
cctx.i2doc = chi->transform * ictx->i2doc;
cctx.i2vp = chi->transform * ictx->i2vp;
this->child->updateDisplay((SPCtx *)&cctx, childflags);
}
sp_object_unref(this->child);
}
SPItem::update(ctx, flags);
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
this->context_style = this->style;
g->setStyle(this->style, this->context_style);
}
}
/* As last step set additional transform of arena group */
for (SPItemView *v = this->display; v != NULL; v = v->next) {
Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);
Geom::Affine t(Geom::Translate(this->x.computed, this->y.computed));
g->setChildTransform(t);
}
}
