7328N/A

7328N/A#ifdef HAVE_CONFIG_H

7328N/A# include "config.h"

7328N/A#endif

7328N/A

7328N/A#include <glibmm/i18n.h>

7328N/A#include <cstring>

7328N/A#include <string>

7328N/A

7328N/A#include "display/drawing-group.h"

7328N/A#include "display/curve.h"

7328N/A#include "xml/repr.h"

7328N/A#include "svg/svg.h"

7328N/A#include "document.h"

7328N/A#include "document-undo.h"

7328N/A#include "style.h"

7328N/A#include "attributes.h"

7328N/A#include "sp-item-transform.h"

7328N/A#include "sp-root.h"

7328N/A#include "sp-use.h"

7328N/A#include "sp-offset.h"

7328N/A#include "sp-clippath.h"

7328N/A#include "sp-mask.h"

7328N/A#include "sp-path.h"

7328N/A#include "box3d.h"

7328N/A#include "persp3d.h"

7328N/A#include "inkscape.h"

7328N/A#include "desktop-handles.h"

7328N/A#include "selection.h"

7328N/A#include "live_effects/effect.h"

7328N/A#include "live_effects/lpeobject.h"

7328N/A#include "live_effects/lpeobject-reference.h"

7328N/A#include "sp-title.h"

7328N/A#include "sp-desc.h"

7328N/A#include "sp-switch.h"

#include "sp-defs.h"

#include "verbs.h"

#include "layer-model.h"

#include "sp-textpath.h"

#include "sp-flowtext.h"

using Inkscape::DocumentUndo;

static void sp_group_perform_patheffect(SPGroup *group, SPGroup *topgroup, bool write);

#include "sp-factory.h"

namespace {

SPObject* createGroup() {

return new SPGroup();

}

bool groupRegistered = SPFactory::instance().registerObject("svg:g", createGroup);

}

SPGroup::SPGroup() : SPLPEItem() {

this->_layer_mode = SPGroup::GROUP;

//new (&this->_display_modes) std::map<unsigned int, SPGroup::LayerMode>();

}

SPGroup::~SPGroup() {

//this->_display_modes.~map();

}

void SPGroup::build(SPDocument *document, Inkscape::XML::Node *repr) {

this->readAttr( "inkscape:groupmode" );

SPLPEItem::build(document, repr);

}

void SPGroup::release() {

if (this->_layer_mode == SPGroup::LAYER) {

this->document->removeResource("layer", this);

}

SPLPEItem::release();

}

void SPGroup::child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref) {

SPLPEItem::child_added(child, ref);

SPObject *last_child = this->lastChild();

if (last_child && last_child->getRepr() == child) {

// optimization for the common special case where the child is being added at the end

SPObject *ochild = last_child;

if ( SP_IS_ITEM(ochild) ) {

/* TODO: this should be moved into SPItem somehow */

SPItemView *v;

Inkscape::DrawingItem *ac;

for (v = this->display; v != NULL; v = v->next) {

ac = SP_ITEM (ochild)->invoke_show (v->arenaitem->drawing(), v->key, v->flags);

if (ac) {

v->arenaitem->appendChild(ac);

}

}

}

} else { // general case

SPObject *ochild = this->get_child_by_repr(child);

if ( ochild && SP_IS_ITEM(ochild) ) {

/* TODO: this should be moved into SPItem somehow */

SPItemView *v;

Inkscape::DrawingItem *ac;

unsigned position = SP_ITEM(ochild)->pos_in_parent();

for (v = this->display; v != NULL; v = v->next) {

ac = SP_ITEM (ochild)->invoke_show (v->arenaitem->drawing(), v->key, v->flags);

if (ac) {

v->arenaitem->prependChild(ac);

ac->setZOrder(position);

}

}

}

}

this->requestModified(SP_OBJECT_MODIFIED_FLAG);

}

void SPGroup::remove_child(Inkscape::XML::Node *child) {

SPLPEItem::remove_child(child);

this->requestModified(SP_OBJECT_MODIFIED_FLAG);

}

void SPGroup::order_changed (Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref)

{

SPLPEItem::order_changed(child, old_ref, new_ref);

SPObject *ochild = this->get_child_by_repr(child);

if ( ochild && SP_IS_ITEM(ochild) ) {

/* TODO: this should be moved into SPItem somehow */

SPItemView *v;

unsigned position = SP_ITEM(ochild)->pos_in_parent();

for ( v = SP_ITEM (ochild)->display ; v != NULL ; v = v->next ) {

v->arenaitem->setZOrder(position);

}

}

this->requestModified(SP_OBJECT_MODIFIED_FLAG);

}

void SPGroup::update(SPCtx *ctx, unsigned int flags) {

SPItemCtx *ictx, cctx;

ictx = (SPItemCtx *) ctx;

cctx = *ictx;

unsigned childflags = flags;

if (flags & SP_OBJECT_MODIFIED_FLAG) {

childflags |= SP_OBJECT_PARENT_MODIFIED_FLAG;

}

childflags &= SP_OBJECT_MODIFIED_CASCADE;

GSList *l = g_slist_reverse(this->childList(true, SPObject::ActionUpdate));

while (l) {

SPObject *child = SP_OBJECT (l->data);

l = g_slist_remove (l, child);

if (childflags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {

if (SP_IS_ITEM (child)) {

SPItem const &chi = *SP_ITEM(child);

cctx.i2doc = chi.transform * ictx->i2doc;

cctx.i2vp = chi.transform * ictx->i2vp;

child->updateDisplay((SPCtx *)&cctx, childflags);

} else {

child->updateDisplay(ctx, childflags);

}

}

sp_object_unref(child);

}

// For a group, we need to update ourselves *after* updating children.

// this is because the group might contain shapes such as rect or ellipse,

// which recompute their equivalent path (a.k.a curve) in the update callback,

// and this is in turn used when computing bbox.

SPLPEItem::update(ctx, flags);

if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {

for (SPItemView *v = this->display; v != NULL; v = v->next) {

Inkscape::DrawingGroup *group = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem);

group->setStyle(this->style);

}

}

}

void SPGroup::modified(guint flags) {

SPLPEItem::modified(flags);

SPObject *child;

if (flags & SP_OBJECT_MODIFIED_FLAG) {

flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;

}

flags &= SP_OBJECT_MODIFIED_CASCADE;

GSList *l = g_slist_reverse(this->childList(true));

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))) {

child->emitModified(flags);

}

sp_object_unref(child);

}

}

Inkscape::XML::Node* SPGroup::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {

SPGroup* object = this;

SPGroup *group = SP_GROUP(object);

if (flags & SP_OBJECT_WRITE_BUILD) {

GSList *l;

if (!repr) {

if (SP_IS_SWITCH(object)) {

repr = xml_doc->createElement("svg:switch");

} else {

repr = xml_doc->createElement("svg:g");

}

}

l = NULL;

for (SPObject *child = object->firstChild(); child; child = child->getNext() ) {

if ( !SP_IS_TITLE(child) && !SP_IS_DESC(child) ) {

Inkscape::XML::Node *crepr = child->updateRepr(xml_doc, NULL, flags);

if (crepr) {

l = g_slist_prepend (l, crepr);

}

}

}

while (l) {

repr->addChild((Inkscape::XML::Node *) l->data, NULL);

Inkscape::GC::release((Inkscape::XML::Node *) l->data);

l = g_slist_remove (l, l->data);

}

} else {

for (SPObject *child = object->firstChild() ; child ; child = child->getNext() ) {

if ( !SP_IS_TITLE(child) && !SP_IS_DESC(child) ) {

child->updateRepr(flags);

}

}

}

if ( flags & SP_OBJECT_WRITE_EXT ) {

const char *value;

if ( group->_layer_mode == SPGroup::LAYER ) {

value = "layer";

} else if ( group->_layer_mode == SPGroup::MASK_HELPER ) {

value = "maskhelper";

} else if ( flags & SP_OBJECT_WRITE_ALL ) {

value = "group";

} else {

value = NULL;

}

repr->setAttribute("inkscape:groupmode", value);

}

SPLPEItem::write(xml_doc, repr, flags);

return repr;

}

Geom::OptRect SPGroup::bbox(Geom::Affine const &transform, SPItem::BBoxType bboxtype) const

{

Geom::OptRect bbox;

// CPPIFY: replace this const_cast later

GSList *l = const_cast<SPGroup*>(this)->childList(false, SPObject::ActionBBox);

while (l) {

SPObject *o = SP_OBJECT (l->data);

if (SP_IS_ITEM(o) && !SP_ITEM(o)->isHidden()) {

SPItem *child = SP_ITEM(o);

Geom::Affine const ct(child->transform * transform);

bbox |= child->bounds(bboxtype, ct);

}

l = g_slist_remove (l, o);

}

return bbox;

}

void SPGroup::print(SPPrintContext *ctx) {

GSList *l = g_slist_reverse(this->childList(false));

while (l) {

SPObject *o = SP_OBJECT (l->data);

if (SP_IS_ITEM(o)) {

SP_ITEM(o)->invoke_print (ctx);

}

l = g_slist_remove (l, o);

}

}

const char *SPGroup::displayName() const {

return _("Group");

}

gchar *SPGroup::description() const {

gint len = this->getItemCount();

return g_strdup_printf(

ngettext(_("of <b>%d</b> object"), _("of <b>%d</b> objects"), len), len);

}

void SPGroup::set(unsigned int key, gchar const* value) {

switch (key) {

case SP_ATTR_INKSCAPE_GROUPMODE:

if ( value && !strcmp(value, "layer") ) {

this->setLayerMode(SPGroup::LAYER);

} else if ( value && !strcmp(value, "maskhelper") ) {

this->setLayerMode(SPGroup::MASK_HELPER);

} else {

this->setLayerMode(SPGroup::GROUP);

}

break;

default:

SPLPEItem::set(key, value);

break;

}

}

Inkscape::DrawingItem *SPGroup::show (Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) {

Inkscape::DrawingGroup *ai;

ai = new Inkscape::DrawingGroup(drawing);

ai->setPickChildren(this->effectiveLayerMode(key) == SPGroup::LAYER);

ai->setStyle(this->style);

this->_showChildren(drawing, ai, key, flags);

return ai;

}

void SPGroup::hide (unsigned int key) {

SPItem * child;

GSList *l = g_slist_reverse(this->childList(false, SPObject::ActionShow));

while (l) {

SPObject *o = SP_OBJECT (l->data);

if (SP_IS_ITEM (o)) {

child = SP_ITEM (o);

child->invoke_hide (key);

}

l = g_slist_remove (l, o);

}

}

void SPGroup::snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const {

for ( SPObject const *o = this->firstChild(); o; o = o->getNext() )

{

if (SP_IS_ITEM(o)) {

SP_ITEM(o)->getSnappoints(p, snapprefs);

}

}

}

sp_item_group_ungroup (SPGroup *group, GSList **children, bool do_done)

{

g_return_if_fail (group != NULL);

g_return_if_fail (SP_IS_GROUP (group));

SPDocument *doc = group->document;

SPRoot *root = doc->getRoot();

SPObject *defs = root->defs;

SPItem *gitem = group;

Inkscape::XML::Node *grepr = gitem->getRepr();

g_return_if_fail (!strcmp (grepr->name(), "svg:g")

|| !strcmp (grepr->name(), "svg:a")

|| !strcmp (grepr->name(), "svg:switch")

|| !strcmp (grepr->name(), "svg:svg"));

// this converts the gradient/pattern fill/stroke on the group, if any, to userSpaceOnUse

gitem->adjust_paint_recursive (Geom::identity(), Geom::identity(), false);

SPItem *pitem = SP_ITEM(gitem->parent);

Inkscape::XML::Node *prepr = pitem->getRepr();

if (SP_IS_BOX3D(gitem)) {

group = box3d_convert_to_group(SP_BOX3D(gitem));

gitem = group;

}

SP_LPE_ITEM(group)->removeAllPathEffects(false);

/* Step 1 - generate lists of children objects */

GSList *items = NULL;

GSList *objects = NULL;

for (SPObject *child = group->firstChild() ; child; child = child->getNext() ) {

if (SP_IS_ITEM (child)) {

SPItem *citem = SP_ITEM (child);

/* Merging of style */

// this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do

// it here _before_ the new transform is set, so as to use the pre-transform bbox

citem->adjust_paint_recursive (Geom::identity(), Geom::identity(), false);

sp_style_merge_from_dying_parent(child->style, gitem->style);

/*

child->updateRepr();

Inkscape::XML::Node *nrepr = child->getRepr()->duplicate(prepr->document());

// Merging transform

Geom::Affine ctrans;

Geom::Affine const g(gitem->transform);

if (SP_IS_USE(citem) && SP_USE(citem)->get_original() &&

SP_USE(citem)->get_original()->parent == SP_OBJECT(group)) {

// make sure a clone's effective transform is the same as was under group

ctrans = g.inverse() * citem->transform * g;

} else {

// We should not apply the group's transformation to both a linked offset AND to its source

if (SP_IS_OFFSET(citem)) { // Do we have an offset at hand (whether it's dynamic or linked)?

SPItem *source = sp_offset_get_source(SP_OFFSET(citem));

// When dealing with a chain of linked offsets, the transformation of an offset will be

// tied to the transformation of the top-most source, not to any of the intermediate

// offsets. So let's find the top-most source

while (source != NULL && SP_IS_OFFSET(source)) {

source = sp_offset_get_source(SP_OFFSET(source));

}

if (source != NULL && // If true then we must be dealing with a linked offset ...

group->isAncestorOf(source) == false) { // ... of which the source is not in the same group

ctrans = citem->transform * g; // then we should apply the transformation of the group to the offset

} else {

ctrans = citem->transform;

}

} else {

ctrans = citem->transform * g;

}

}

// FIXME: constructing a transform that would fully preserve the appearance of a

// textpath if it is ungrouped with its path seems to be impossible in general

// case. E.g. if the group was squeezed, to keep the ungrouped textpath squeezed

// as well, we'll need to relink it to some "virtual" path which is inversely

// stretched relative to the actual path, and then squeeze the textpath back so it

// would both fit the actual path _and_ be squeezed as before. It's a bummer.

// This is just a way to temporarily remember the transform in repr. When repr is

// reattached outside of the group, the transform will be written more properly

// (i.e. optimized into the object if the corresponding preference is set)

gchar *affinestr=sp_svg_transform_write(ctrans);

nrepr->setAttribute("transform", affinestr);

g_free(affinestr);

items = g_slist_prepend (items, nrepr);

} else {

Inkscape::XML::Node *nrepr = child->getRepr()->duplicate(prepr->document());

objects = g_slist_prepend (objects, nrepr);

}

}

/* Step 2 - clear group */

// remember the position of the group

gint pos = group->getRepr()->position();

// the group is leaving forever, no heir, clones should take note; its children however are going to reemerge

group->deleteObject(true, false);

/* Step 3 - add nonitems */

if (objects) {

Inkscape::XML::Node *last_def = defs->getRepr()->lastChild();

while (objects) {

Inkscape::XML::Node *repr = (Inkscape::XML::Node *) objects->data;

if (!sp_repr_is_meta_element(repr)) {

defs->getRepr()->addChild(repr, last_def);

}

Inkscape::GC::release(repr);

objects = g_slist_remove (objects, objects->data);

}

}

/* Step 4 - add items */

while (items) {

Inkscape::XML::Node *repr = (Inkscape::XML::Node *) items->data;

// add item

prepr->appendChild(repr);

// restore position; since the items list was prepended (i.e. reverse), we now add

// all children at the same pos, which inverts the order once again

repr->setPosition(pos > 0 ? pos : 0);

// fill in the children list if non-null

SPItem *item = static_cast<SPItem *>(doc->getObjectByRepr(repr));

item->doWriteTransform(repr, item->transform, NULL, false);

Inkscape::GC::release(repr);

if (children && SP_IS_ITEM(item)) {

*children = g_slist_prepend(*children, item);

}

items = g_slist_remove (items, items->data);

}

if (do_done) {

DocumentUndo::done(doc, SP_VERB_NONE, _("Ungroup"));

}

}

GSList *sp_item_group_item_list(SPGroup * group)

{

g_return_val_if_fail(group != NULL, NULL);

g_return_val_if_fail(SP_IS_GROUP(group), NULL);

GSList *s = NULL;

for (SPObject *o = group->firstChild() ; o ; o = o->getNext() ) {

if ( SP_IS_ITEM(o) ) {

s = g_slist_prepend(s, o);

}

}

return g_slist_reverse (s);

}

SPObject *sp_item_group_get_child_by_name(SPGroup *group, SPObject *ref, const gchar *name)

{

SPObject *child = (ref) ? ref->getNext() : group->firstChild();

while ( child && strcmp(child->getRepr()->name(), name) ) {

child = child->getNext();

}

return child;

}

void SPGroup::setLayerMode(LayerMode mode) {

if ( _layer_mode != mode ) {

if ( mode == LAYER ) {

this->document->addResource("layer", this);

} else if ( _layer_mode == LAYER ) {

this->document->removeResource("layer", this);

}

_layer_mode = mode;

_updateLayerMode();

}

}

SPGroup::LayerMode SPGroup::layerDisplayMode(unsigned int dkey) const {

std::map<unsigned int, LayerMode>::const_iterator iter;

iter = _display_modes.find(dkey);

if ( iter != _display_modes.end() ) {

return (*iter).second;

} else {

return GROUP;

}

}

void SPGroup::setLayerDisplayMode(unsigned int dkey, SPGroup::LayerMode mode) {

if ( layerDisplayMode(dkey) != mode ) {

_display_modes[dkey] = mode;

_updateLayerMode(dkey);

}

}

void SPGroup::_updateLayerMode(unsigned int display_key) {

SPItemView *view;

for ( view = this->display ; view ; view = view->next ) {

if ( !display_key || view->key == display_key ) {

Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(view->arenaitem);

if (g) {

g->setPickChildren(effectiveLayerMode(view->key) == SPGroup::LAYER);

}

}

}

}

void SPGroup::translateChildItems(Geom::Translate const &tr)

{

if ( hasChildren() ) {

for (SPObject *o = firstChild() ; o ; o = o->getNext() ) {

if ( SP_IS_ITEM(o) ) {

sp_item_move_rel(reinterpret_cast<SPItem *>(o), tr);

}

}

}

}

void SPGroup::scaleChildItemsRec(Geom::Scale const &sc, Geom::Point const &p)

{

if ( hasChildren() ) {

for (SPObject *o = firstChild() ; o ; o = o->getNext() ) {

if ( SP_IS_ITEM(o) ) {

if (SP_IS_GROUP(o) && !SP_IS_BOX3D(o)) {

SP_GROUP(o)->scaleChildItemsRec(sc, p);

} else {

SPItem *item = SP_ITEM(o);

Geom::OptRect bbox = item->desktopVisualBounds();

if (bbox) {

// Scale item

Geom::Translate const s(p);

Geom::Affine final = s.inverse() * sc * s;

Geom::Point old_center(0,0);

if (item->isCenterSet()) {

old_center = item->getCenter();

}

gchar const *conn_type = NULL;

if (SP_IS_TEXT_TEXTPATH(item)) {

SP_TEXT(item)->optimizeTextpathText();

} else if (SP_IS_FLOWTEXT(item)) {

SP_FLOWTEXT(item)->optimizeScaledText();

} else if (SP_IS_BOX3D(item)) {

// Force recalculation from perspective

box3d_position_set(SP_BOX3D(item));

} else if (item->getAttribute("inkscape:connector-type") != NULL

&& (item->getAttribute("inkscape:connection-start") == NULL

|| item->getAttribute("inkscape:connection-end") == NULL)) {

// Remove and store connector type for transform if disconnected

conn_type = item->getAttribute("inkscape:connector-type");

item->removeAttribute("inkscape:connector-type");

}

if (SP_IS_PERSP3D(item)) {

persp3d_apply_affine_transformation(SP_PERSP3D(item), final);

} else if ((SP_IS_TEXT_TEXTPATH(item) || SP_IS_FLOWTEXT(item)) && !item->transform.isIdentity()) {

// Save and reset current transform

Geom::Affine tmp(item->transform);

item->transform = Geom::Affine();

// Apply scale

item->set_i2d_affine(item->i2dt_affine() * sc);

item->doWriteTransform(item->getRepr(), item->transform, NULL, true);

// Scale translation and restore original transform

tmp[4] *= sc[0];

tmp[5] *= sc[1];

item->doWriteTransform(item->getRepr(), tmp, NULL, true);

} else if (SP_IS_USE(item)) {

// calculate the matrix we need to apply to the clone

// to cancel its induced transform from its original

Geom::Affine move = final.inverse() * item->transform * final;

item->doWriteTransform(item->getRepr(), move, &move, true);

} else {

item->set_i2d_affine(item->i2dt_affine() * final);

item->doWriteTransform(item->getRepr(), item->transform, NULL, true);

}

if (conn_type != NULL) {

item->setAttribute("inkscape:connector-type", conn_type);

}

if (item->isCenterSet() && !(final.isTranslation() || final.isIdentity())) {

item->setCenter(old_center * final);

item->updateRepr();

}

}

}

}

}

}

}

gint SPGroup::getItemCount() const {

gint len = 0;

for (SPObject const *o = this->firstChild() ; o ; o = o->getNext() ) {

if (SP_IS_ITEM(o)) {

len++;

}

}

return len;

}

void SPGroup::_showChildren (Inkscape::Drawing &drawing, Inkscape::DrawingItem *ai, unsigned int key, unsigned int flags) {

Inkscape::DrawingItem *ac = NULL;

SPItem * child = NULL;

GSList *l = g_slist_reverse(this->childList(false, SPObject::ActionShow));

while (l) {

SPObject *o = SP_OBJECT (l->data);

if (SP_IS_ITEM (o)) {

child = SP_ITEM (o);

ac = child->invoke_show (drawing, key, flags);

if (ac) {

ai->appendChild(ac);

}

}

l = g_slist_remove (l, o);

}

}

void SPGroup::update_patheffect(bool write) {

#ifdef GROUP_VERBOSE

g_message("sp_group_update_patheffect: %p\n", lpeitem);

#endif

GSList const *item_list = sp_item_group_item_list(this);

for ( GSList const *iter = item_list; iter; iter = iter->next ) {

SPObject *subitem = static_cast<SPObject *>(iter->data);

if (SP_IS_LPE_ITEM(subitem)) {

((SPLPEItem*)subitem)->update_patheffect(write);

}

}

if (hasPathEffect() && pathEffectsEnabled()) {

for (PathEffectList::iterator it = this->path_effect_list->begin(); it != this->path_effect_list->end(); it++)

{

LivePathEffectObject *lpeobj = (*it)->lpeobject;

if (lpeobj && lpeobj->get_lpe()) {

lpeobj->get_lpe()->doBeforeEffect(this);

}

}

sp_group_perform_patheffect(this, this, write);

}

}

sp_gslist_update_by_clip_or_mask(GSList *item_list,SPItem * item)

{

if(item->mask_ref->getObject()) {

SPObject * clipormask = item->mask_ref->getObject()->firstChild();

item_list = g_slist_append(item_list,clipormask);

}

if(item->clip_ref->getObject()) {

SPObject * clipormask = item->clip_ref->getObject()->firstChild();

item_list = g_slist_append(item_list,clipormask);

}

}

static void

sp_group_perform_patheffect(SPGroup *group, SPGroup *topgroup, bool write)

{

GSList *item_list = sp_item_group_item_list(group);

sp_gslist_update_by_clip_or_mask(item_list,group);

for ( GSList *iter = item_list; iter; iter = iter->next ) {

SPObject *subitem = static_cast<SPObject *>(iter->data);

if (SP_IS_GROUP(subitem)) {

sp_group_perform_patheffect(SP_GROUP(subitem), topgroup, write);

} else if (SP_IS_SHAPE(subitem)) {

sp_gslist_update_by_clip_or_mask(item_list,SP_ITEM(subitem));

SPCurve * c = NULL;

if (SP_IS_PATH(subitem)) {

c = SP_PATH(subitem)->get_original_curve();

} else {

c = SP_SHAPE(subitem)->getCurve();

}

// only run LPEs when the shape has a curve defined

if (c) {

if(SP_IS_MASK(subitem->parent) || SP_IS_CLIPPATH(subitem->parent)) {

c->transform(i2anc_affine(group, topgroup));

} else {

c->transform(i2anc_affine(subitem, topgroup));

}

SP_LPE_ITEM(topgroup)->performPathEffect(c);

if(SP_IS_MASK(subitem->parent) || SP_IS_CLIPPATH(subitem->parent)) {

c->transform(i2anc_affine(group, topgroup).inverse());

} else {

c->transform(i2anc_affine(subitem, topgroup).inverse());

}

SP_SHAPE(subitem)->setCurve(c, TRUE);

if (write) {

Inkscape::XML::Node *repr = subitem->getRepr();

gchar *str = sp_svg_write_path(c->get_pathvector());

repr->setAttribute("d", str);

#ifdef GROUP_VERBOSE

g_message("sp_group_perform_patheffect writes 'd' attribute");

#endif

g_free(str);

}

c->unref();

}

}

}

}