void
LPEInterpolate::resetDefaults(SPItem const* item)
{
Effect::resetDefaults(item);
if (!SP_IS_PATH(item))
return;
SPCurve const *crv = SP_PATH(item)->get_curve_reference();
Geom::PathVector const &pathv = crv->get_pathvector();
if ( (pathv.size() < 2) )
return;
Geom::OptRect bounds_A = pathv[0].boundsExact();
Geom::OptRect bounds_B = pathv[1].boundsExact();
if (bounds_A && bounds_B) {
Geom::PathVector traj_pathv;
traj_pathv.push_back( Geom::Path() );
traj_pathv[0].start( bounds_A->midpoint() );
traj_pathv[0].appendNew<Geom::LineSegment>( bounds_B->midpoint() );
trajectory_path.set_new_value( traj_pathv, true );
} else {
trajectory_path.param_set_and_write_default();
}
}
static gchar *
sp_path_description(SPItem * item)
{
int count = SP_PATH(item)->nodesInPath();
if (SP_IS_LPE_ITEM(item) && sp_lpe_item_has_path_effect(SP_LPE_ITEM(item))) {
Glib::ustring s;
PathEffectList effect_list = sp_lpe_item_get_effect_list(SP_LPE_ITEM(item));
for (PathEffectList::iterator it = effect_list.begin(); it != effect_list.end(); ++it)
{
LivePathEffectObject *lpeobj = (*it)->lpeobject;
if (!lpeobj || !lpeobj->get_lpe())
break;
if (s.empty())
s = lpeobj->get_lpe()->getName();
else
s = s + ", " + lpeobj->get_lpe()->getName();
}
return g_strdup_printf(ngettext("<b>Path</b> (%i node, path effect: %s)",
"<b>Path</b> (%i nodes, path effect: %s)",count), count, s.c_str());
} else {
return g_strdup_printf(ngettext("<b>Path</b> (%i node)",
"<b>Path</b> (%i nodes)",count), count);
}
}
static void
sp_path_convert_to_guides(SPItem *item)
{
SPPath *path = SP_PATH(item);
if (!path->_curve) {
return;
}
std::list<std::pair<Geom::Point, Geom::Point> > pts;
Geom::Affine const i2dt(path->i2dt_affine());
Geom::PathVector const & pv = path->_curve->get_pathvector();
for(Geom::PathVector::const_iterator pit = pv.begin(); pit != pv.end(); ++pit) {
for(Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_default(); ++cit) {
// only add curves for straight line segments
if( is_straight_curve(*cit) )
{
pts.push_back(std::make_pair(cit->initialPoint() * i2dt, cit->finalPoint() * i2dt));
}
}
}
sp_guide_pt_pairs_to_guides(item->document, pts);
}
static void
avoid_conn_move(Geom::Matrix const */*mp*/, SPItem *moved_item)
{
// Reroute connector
SPPath *path = SP_PATH(moved_item);
path->connEndPair.makePathInvalid();
sp_conn_adjust_invalid_path(path);
}
static void
avoid_conn_transformed(Geom::Matrix const */*mp*/, SPItem *moved_item)
{
SPPath *path = SP_PATH(moved_item);
if (path->connEndPair.isAutoRoutingConn()) {
path->connEndPair.tellLibavoidNewEndpoints();
}
}
static void redrawConnectorCallback(void *ptr)
{
SPPath *path = SP_PATH(ptr);
if (path->document == NULL) {
// This can happen when the document is being destroyed.
return;
}
sp_conn_redraw_path(path);
}
void
sp_selected_path_reverse(SPDesktop *desktop)
{
Inkscape::Selection *selection = sp_desktop_selection(desktop);
GSList *items = (GSList *) selection->itemList();
if (!items) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to reverse."));
return;
}
// set "busy" cursor
desktop->setWaitingCursor();
bool did = false;
desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Reversing paths..."));
for (GSList *i = items; i != NULL; i = i->next) {
if (!SP_IS_PATH(i->data))
continue;
did = true;
SPPath *path = SP_PATH(i->data);
SPCurve *rcurve = sp_path_get_curve_reference(path)->create_reverse();
gchar *str = sp_svg_write_path(rcurve->get_pathvector());
if ( sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(path)) ) {
SP_OBJECT_REPR(path)->setAttribute("inkscape:original-d", str);
} else {
SP_OBJECT_REPR(path)->setAttribute("d", str);
}
g_free(str);
rcurve->unref();
// reverse nodetypes order (Bug #179866)
gchar *nodetypes = g_strdup(SP_OBJECT_REPR(path)->attribute("sodipodi:nodetypes"));
if ( nodetypes ) {
SP_OBJECT_REPR(path)->setAttribute("sodipodi:nodetypes", g_strreverse(nodetypes));
g_free(nodetypes);
}
}
desktop->clearWaitingCursor();
if (did) {
sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_REVERSE,
_("Reverse path"));
} else {
sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No paths</b> to reverse in the selection."));
}
}
static void
sp_path_release(SPObject *object)
{
SPPath *path = SP_PATH(object);
path->connEndPair.release();
if (((SPObjectClass *) parent_class)->release) {
((SPObjectClass *) parent_class)->release(object);
}
}
static void emitPathInvalidationNotification(void *ptr)
{
// We emit a signal here rather than just calling the reroute function
// since this allows all the movement action computation to happen,
// then all connectors (that require it) will be rerouted. Otherwise,
// one connector could get rerouted several times as a result of
// dragging a couple of shapes.
SPPath *path = SP_PATH(ptr);
path->connEndPair._invalid_path_signal.emit(path);
}
void
SPLPEItem::apply_to_clippath(SPItem *item)
{
SPClipPath *clipPath = item->clip_ref->getObject();
if(clipPath) {
SPObject * clip_data = clipPath->firstChild();
SPCurve * clip_curve = NULL;
if (SP_IS_PATH(clip_data)) {
clip_curve = SP_PATH(clip_data)->get_original_curve();
} else if(SP_IS_SHAPE(clip_data)) {
clip_curve = SP_SHAPE(clip_data)->getCurve();
} else if(SP_IS_GROUP(clip_data)) {
apply_to_clip_or_mask_group(SP_ITEM(clip_data), item);
return;
}
if(clip_curve) {
bool success = false;
if(SP_IS_GROUP(this)){
clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)));
success = this->performPathEffect(clip_curve);
clip_curve->transform(i2anc_affine(SP_GROUP(item), SP_GROUP(this)).inverse());
} else {
success = this->performPathEffect(clip_curve);
}
Inkscape::XML::Node *reprClip = clip_data->getRepr();
if (success) {
gchar *str = sp_svg_write_path(clip_curve->get_pathvector());
reprClip->setAttribute("d", str);
g_free(str);
} else {
// LPE was unsuccesfull. Read the old 'd'-attribute.
if (gchar const * value = reprClip->attribute("d")) {
Geom::PathVector pv = sp_svg_read_pathv(value);
SPCurve *oldcurve = new SPCurve(pv);
if (oldcurve) {
SP_SHAPE(clip_data)->setCurve(oldcurve, TRUE);
oldcurve->unref();
}
}
}
clip_curve->unref();
}
}
if(SP_IS_GROUP(item)){
GSList const *item_list = sp_item_group_item_list(SP_GROUP(item));
for ( GSList const *iter = item_list; iter; iter = iter->next ) {
SPObject *subitem = static_cast<SPObject *>(iter->data);
apply_to_clippath(SP_ITEM(subitem));
}
}
}
static void
sp_path_update(SPObject *object, SPCtx *ctx, guint flags)
{
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
flags &= ~SP_OBJECT_USER_MODIFIED_FLAG_B; // since we change the description, it's not a "just translation" anymore
}
if (((SPObjectClass *) parent_class)->update) {
((SPObjectClass *) parent_class)->update(object, ctx, flags);
}
SPPath *path = SP_PATH(object);
path->connEndPair.update();
}
/**
* Writes the given transform into the repr for the given item.
*/
static Geom::Affine
sp_path_set_transform(SPItem *item, Geom::Affine const &xform)
{
if (!SP_IS_PATH(item)) {
return Geom::identity();
}
SPPath *path = SP_PATH(item);
if (!path->_curve) { // 0 nodes, nothing to transform
return Geom::identity();
}
// Transform the original-d path if this is a valid LPE item, other else the (ordinary) path
if (path->_curve_before_lpe && sp_lpe_item_has_path_effect_recursive(SP_LPE_ITEM(item))) {
if (sp_lpe_item_has_path_effect_of_type(SP_LPE_ITEM(item), Inkscape::LivePathEffect::CLONE_ORIGINAL)) {
// if path has the CLONE_ORIGINAL LPE applied, don't write the transform to the pathdata, but write it 'unoptimized'
return xform;
} else {
path->_curve_before_lpe->transform(xform);
}
} else {
path->_curve->transform(xform);
}
// Adjust stroke
item->adjust_stroke(xform.descrim());
// Adjust pattern fill
item->adjust_pattern(xform);
// Adjust gradient fill
item->adjust_gradient(xform);
// Adjust LPE
item->adjust_livepatheffect(xform);
item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
// nothing remains - we've written all of the transform, so return identity
return Geom::identity();
}
void Inkscape::ObjectSnapper::freeSnap(IntermSnapResults &isr,
SnapCandidatePoint const &p,
Geom::OptRect const &bbox_to_snap,
std::vector<SPItem const *> const *it,
std::vector<SnapCandidatePoint> *unselected_nodes) const
{
if (_snap_enabled == false || _snapmanager->snapprefs.isSourceSnappable(p.getSourceType()) == false || ThisSnapperMightSnap() == false) {
return;
}
/* Get a list of all the SPItems that we will try to snap to */
if (p.getSourceNum() <= 0) {
Geom::Rect const local_bbox_to_snap = bbox_to_snap ? *bbox_to_snap : Geom::Rect(p.getPoint(), p.getPoint());
_findCandidates(_snapmanager->getDocument()->getRoot(), it, p.getSourceNum() <= 0, local_bbox_to_snap, false, Geom::identity());
}
_snapNodes(isr, p, unselected_nodes);
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PATH, SNAPTARGET_PATH_INTERSECTION, SNAPTARGET_BBOX_EDGE, SNAPTARGET_PAGE_BORDER, SNAPTARGET_TEXT_BASELINE)) {
unsigned n = (unselected_nodes == NULL) ? 0 : unselected_nodes->size();
if (n > 0) {
/* While editing a path in the node tool, findCandidates must ignore that path because
* of the node snapping requirements (i.e. only unselected nodes must be snapable).
* That path must not be ignored however when snapping to the paths, so we add it here
* manually when applicable
*/
SPPath *path = NULL;
if (it != NULL) {
if (it->size() == 1 && SP_IS_PATH(*it->begin())) {
path = SP_PATH(*it->begin());
} // else: *it->begin() might be a SPGroup, e.g. when editing a LPE of text that has been converted to a group of paths
// as reported in bug #356743. In that case we can just ignore it, i.e. not snap to this item
}
_snapPaths(isr, p, unselected_nodes, path);
} else {
_snapPaths(isr, p, NULL, NULL);
}
}
}
/**
*
* Writes the path object into a Inkscape::XML::Node
*/
static Inkscape::XML::Node *
sp_path_write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
{
SPShape *shape = (SPShape *) object;
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:path");
}
#ifdef PATH_VERBOSE
g_message("sp_path_write writes 'd' attribute");
#endif
if ( shape->_curve != NULL ) {
gchar *str = sp_svg_write_path(shape->_curve->get_pathvector());
repr->setAttribute("d", str);
g_free(str);
} else {
repr->setAttribute("d", NULL);
}
if (flags & SP_OBJECT_WRITE_EXT) {
if ( shape->_curve_before_lpe != NULL ) {
gchar *str = sp_svg_write_path(shape->_curve_before_lpe->get_pathvector());
repr->setAttribute("inkscape:original-d", str);
g_free(str);
} else {
repr->setAttribute("inkscape:original-d", NULL);
}
}
SP_PATH(shape)->connEndPair.writeRepr(repr);
if (((SPObjectClass *)(parent_class))->write) {
((SPObjectClass *)(parent_class))->write(object, xml_doc, repr, flags);
}
return repr;
}
/// @todo investigate why Geom::Point p is passed in but ignored.
void Inkscape::ObjectSnapper::_collectPaths(Geom::Point /*p*/,
SnapSourceType const source_type,
bool const &first_point) const
{
// Now, let's first collect all paths to snap to. If we have a whole bunch of points to snap,
// e.g. when translating an item using the selector tool, then we will only do this for the
// first point and store the collection for later use. This significantly improves the performance
if (first_point) {
_clear_paths();
// Determine the type of bounding box we should snap to
SPItem::BBoxType bbox_type = SPItem::GEOMETRIC_BBOX;
bool p_is_a_node = source_type & SNAPSOURCE_NODE_CATEGORY;
bool p_is_a_bbox = source_type & SNAPSOURCE_BBOX_CATEGORY;
bool p_is_other = (source_type & SNAPSOURCE_OTHERS_CATEGORY) || (source_type & SNAPSOURCE_DATUMS_CATEGORY);
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_EDGE)) {
Preferences *prefs = Preferences::get();
int prefs_bbox = prefs->getBool("/tools/bounding_box", 0);
bbox_type = !prefs_bbox ?
SPItem::VISUAL_BBOX : SPItem::GEOMETRIC_BBOX;
}
// Consider the page border for snapping
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PAGE_BORDER) && _snapmanager->snapprefs.isAnyCategorySnappable()) {
Geom::PathVector *border_path = _getBorderPathv();
if (border_path != NULL) {
_paths_to_snap_to->push_back(SnapCandidatePath(border_path, SNAPTARGET_PAGE_BORDER, Geom::OptRect()));
}
}
for (std::vector<SnapCandidateItem>::const_iterator i = _candidates->begin(); i != _candidates->end(); ++i) {
/* Transform the requested snap point to this item's coordinates */
Geom::Affine i2doc(Geom::identity());
SPItem *root_item = NULL;
/* We might have a clone at hand, so make sure we get the root item */
if (SP_IS_USE((*i).item)) {
i2doc = SP_USE((*i).item)->get_root_transform();
root_item = SP_USE((*i).item)->root();
g_return_if_fail(root_item);
} else {
i2doc = (*i).item->i2doc_affine();
root_item = (*i).item;
}
//Build a list of all paths considered for snapping to
//Add the item's path to snap to
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PATH, SNAPTARGET_PATH_INTERSECTION, SNAPTARGET_TEXT_BASELINE)) {
if (p_is_other || p_is_a_node || (!_snapmanager->snapprefs.getStrictSnapping() && p_is_a_bbox)) {
if (SP_IS_TEXT(root_item) || SP_IS_FLOWTEXT(root_item)) {
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_TEXT_BASELINE)) {
// Snap to the text baseline
Text::Layout const *layout = te_get_layout(static_cast<SPItem *>(root_item));
if (layout != NULL && layout->outputExists()) {
Geom::PathVector *pv = new Geom::PathVector();
pv->push_back(layout->baseline() * root_item->i2dt_affine() * (*i).additional_affine * _snapmanager->getDesktop()->doc2dt());
_paths_to_snap_to->push_back(SnapCandidatePath(pv, SNAPTARGET_TEXT_BASELINE, Geom::OptRect()));
}
}
} else {
// Snapping for example to a traced bitmap is very stressing for
// the CPU, so we'll only snap to paths having no more than 500 nodes
// This also leads to a lag of approx. 500 msec (in my lousy test set-up).
bool very_complex_path = false;
if (SP_IS_PATH(root_item)) {
very_complex_path = SP_PATH(root_item)->nodesInPath() > 500;
}
if (!very_complex_path && root_item && _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PATH, SNAPTARGET_PATH_INTERSECTION)) {
SPCurve *curve = NULL;
if (SP_IS_SHAPE(root_item)) {
curve = SP_SHAPE(root_item)->getCurve();
}/* else if (SP_IS_TEXT(root_item) || SP_IS_FLOWTEXT(root_item)) {
curve = te_get_layout(root_item)->convertToCurves();
}*/
if (curve) {
// We will get our own copy of the pathvector, which must be freed at some point
// Geom::PathVector *pv = pathvector_for_curve(root_item, curve, true, true, Geom::identity(), (*i).additional_affine);
Geom::PathVector *pv = new Geom::PathVector(curve->get_pathvector());
(*pv) *= root_item->i2dt_affine() * (*i).additional_affine * _snapmanager->getDesktop()->doc2dt(); // (_edit_transform * _i2d_transform);
_paths_to_snap_to->push_back(SnapCandidatePath(pv, SNAPTARGET_PATH, Geom::OptRect())); // Perhaps for speed, get a reference to the Geom::pathvector, and store the transformation besides it.
curve->unref();
}
}
}
}
}
//Add the item's bounding box to snap to
if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_EDGE)) {
if (p_is_other || p_is_a_bbox || (!_snapmanager->snapprefs.getStrictSnapping() && p_is_a_node)) {
// Discard the bbox of a clipped path / mask, because we don't want to snap to both the bbox
// of the item AND the bbox of the clipping path at the same time
if (!(*i).clip_or_mask) {
Geom::OptRect rect = root_item->bounds(bbox_type, i2doc);
if (rect) {
Geom::PathVector *path = _getPathvFromRect(*rect);
rect = root_item->desktopBounds(bbox_type);
_paths_to_snap_to->push_back(SnapCandidatePath(path, SNAPTARGET_BBOX_EDGE, rect));
}
}
}
}
}
}
}
void
sp_selected_path_break_apart(SPDesktop *desktop)
{
Inkscape::Selection *selection = sp_desktop_selection(desktop);
if (selection->isEmpty()) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>path(s)</b> to break apart."));
return;
}
desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Breaking apart paths..."));
// set "busy" cursor
desktop->setWaitingCursor();
bool did = false;
for (GSList *items = g_slist_copy((GSList *) selection->itemList());
items != NULL;
items = items->next) {
SPItem *item = (SPItem *) items->data;
if (!SP_IS_PATH(item))
continue;
SPPath *path = SP_PATH(item);
SPCurve *curve = sp_path_get_curve_for_edit(SP_PATH(path));
if (curve == NULL)
continue;
did = true;
Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
gint pos = SP_OBJECT_REPR(item)->position();
char const *id = SP_OBJECT_REPR(item)->attribute("id");
gchar *style = g_strdup(SP_OBJECT(item)->repr->attribute("style"));
gchar *path_effect = g_strdup(SP_OBJECT(item)->repr->attribute("inkscape:path-effect"));
Geom::PathVector apv = curve->get_pathvector() * SP_ITEM(path)->transform;
curve->unref();
// it's going to resurrect as one of the pieces, so we delete without advertisement
SP_OBJECT(item)->deleteObject(false);
curve = new SPCurve(apv);
g_assert(curve != NULL);
GSList *list = curve->split();
curve->unref();
GSList *reprs = NULL;
for (GSList *l = list; l != NULL; l = l->next) {
curve = (SPCurve *) l->data;
Inkscape::XML::Node *repr = parent->document()->createElement("svg:path");
repr->setAttribute("style", style);
repr->setAttribute("inkscape:path-effect", path_effect);
gchar *str = sp_svg_write_path(curve->get_pathvector());
if (path_effect)
repr->setAttribute("inkscape:original-d", str);
else
repr->setAttribute("d", str);
g_free(str);
// add the new repr to the parent
parent->appendChild(repr);
// move to the saved position
repr->setPosition(pos > 0 ? pos : 0);
// if it's the first one, restore id
if (l == list)
repr->setAttribute("id", id);
reprs = g_slist_prepend (reprs, repr);
Inkscape::GC::release(repr);
}
selection->setReprList(reprs);
g_slist_free(reprs);
g_slist_free(list);
g_free(style);
g_free(path_effect);
}
desktop->clearWaitingCursor();
if (did) {
sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_BREAK_APART,
_("Break apart"));
} else {
sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to break apart in the selection."));
}
}
/**
* Given a repr, this sets the data items in the path object such as
* fill & style attributes, markers, and CSS properties.
*/
static void
sp_path_build (SPObject *object, SPDocument *document, SPRepr *repr)
{
SPPath *path;
SPVersion version;
const gchar* marker_value;
path = SP_PATH (object);
version = sp_object_get_sodipodi_version (object);
/* Fixes old Sodipodi nodetype to namespaced parameter */
if (sp_version_inside_range (version, 0, 0, 0, 25)) {
const gchar *str;
str = sp_repr_attr (repr, "INKSCAPE-PATH-NODE-TYPES");
sp_repr_set_attr (repr, "sodipodi:nodetypes", str);
sp_repr_set_attr (repr, "INKSCAPE-PATH-NODE-TYPES", NULL);
}
sp_object_read_attr (object, "d");
/* Are these calls actually necessary? */
sp_object_read_attr (object, "marker");
sp_object_read_attr (object, "marker-start");
sp_object_read_attr (object, "marker-mid");
sp_object_read_attr (object, "marker-end");
if (sp_version_inside_range (version, 0, 0, 0, 25)) {
SPShape *shape;
SPCSSAttr *css;
const gchar *val;
gboolean changed;
gboolean open;
shape = (SPShape *) path;
/* Remove fill from open paths for compatibility with inkscape < 0.25 */
/* And set fill-rule of closed paths to evenodd */
/* We force style rewrite at moment (Lauris) */
changed = TRUE;
open = FALSE;
if (shape->curve && shape->curve->bpath) {
ArtBpath *bp;
for (bp = shape->curve->bpath; bp->code != ART_END; bp++) {
if (bp->code == ART_MOVETO_OPEN) {
open = TRUE;
break;
}
}
}
css = sp_repr_css_attr (repr, "style");
if (open) {
val = sp_repr_css_property (css, "fill", NULL);
if (val && strcmp (val, "none")) {
sp_repr_css_set_property (css, "fill", "none");
changed = TRUE;
}
} else {
val = sp_repr_css_property (css, "fill-rule", NULL);
if (!val) {
sp_repr_css_set_property (css, "fill-rule", "evenodd");
changed = TRUE;
}
}
if (changed) {
sp_repr_css_set (repr, css, "style");
}
sp_repr_css_attr_unref (css);
}
if (((SPObjectClass *) parent_class)->build) {
((SPObjectClass *) parent_class)->build (object, document, repr);
}
}
bool
sp_item_list_to_curves(const GSList *items, GSList **selected, GSList **to_select, bool skip_all_lpeitems)
{
bool did = false;
for (;
items != NULL;
items = items->next) {
SPItem *item = SP_ITEM(items->data);
SPDocument *document = item->document;
if ( skip_all_lpeitems &&
SP_IS_LPE_ITEM(item) &&
!SP_IS_GROUP(item) ) // also convert objects in an SPGroup when skip_all_lpeitems is set.
{
continue;
}
if (SP_IS_PATH(item) && !SP_PATH(item)->original_curve) {
continue; // already a path, and no path effect
}
if (SP_IS_BOX3D(item)) {
// convert 3D box to ordinary group of paths; replace the old element in 'selected' with the new group
Inkscape::XML::Node *repr = SP_OBJECT_REPR(box3d_convert_to_group(SP_BOX3D(item)));
if (repr) {
*to_select = g_slist_prepend (*to_select, repr);
did = true;
*selected = g_slist_remove (*selected, item);
}
continue;
}
if (SP_IS_GROUP(item)) {
sp_lpe_item_remove_all_path_effects(SP_LPE_ITEM(item), true);
GSList *item_list = sp_item_group_item_list(SP_GROUP(item));
GSList *item_to_select = NULL;
GSList *item_selected = NULL;
if (sp_item_list_to_curves(item_list, &item_selected, &item_to_select))
did = true;
g_slist_free(item_list);
g_slist_free(item_to_select);
g_slist_free(item_selected);
continue;
}
Inkscape::XML::Node *repr = sp_selected_item_to_curved_repr(item, 0);
if (!repr)
continue;
did = true;
*selected = g_slist_remove (*selected, item);
// remember the position of the item
gint pos = SP_OBJECT_REPR(item)->position();
// remember parent
Inkscape::XML::Node *parent = SP_OBJECT_REPR(item)->parent();
// remember id
char const *id = SP_OBJECT_REPR(item)->attribute("id");
// remember title
gchar *title = item->title();
// remember description
gchar *desc = item->desc();
// It's going to resurrect, so we delete without notifying listeners.
SP_OBJECT(item)->deleteObject(false);
// restore id
repr->setAttribute("id", id);
// add the new repr to the parent
parent->appendChild(repr);
SPObject* newObj = document->getObjectByRepr(repr);
if (title && newObj) {
newObj->setTitle(title);
g_free(title);
}
if (desc && newObj) {
newObj->setDesc(desc);
g_free(desc);
}
// move to the saved position
repr->setPosition(pos > 0 ? pos : 0);
/* Buglet: We don't re-add the (new version of the) object to the selection of any other
* desktops where it was previously selected. */
*to_select = g_slist_prepend (*to_select, repr);
Inkscape::GC::release(repr);
}
return did;
}
void
sp_selected_path_combine(SPDesktop *desktop)
{
Inkscape::Selection *selection = sp_desktop_selection(desktop);
SPDocument *doc = sp_desktop_document(desktop);
if (g_slist_length((GSList *) selection->itemList()) < 1) {
sp_desktop_message_stack(desktop)->flash(Inkscape::WARNING_MESSAGE, _("Select <b>object(s)</b> to combine."));
return;
}
desktop->messageStack()->flash(Inkscape::IMMEDIATE_MESSAGE, _("Combining paths..."));
// set "busy" cursor
desktop->setWaitingCursor();
GSList *items = g_slist_copy((GSList *) selection->itemList());
items = sp_degroup_list (items); // descend into any groups in selection
GSList *to_paths = NULL;
for (GSList *i = items; i != NULL; i = i->next) {
SPItem *item = (SPItem *) i->data;
if (!SP_IS_PATH(item) && !SP_IS_GROUP(item))
to_paths = g_slist_prepend(to_paths, item);
}
GSList *converted = NULL;
bool did = sp_item_list_to_curves(to_paths, &items, &converted);
g_slist_free(to_paths);
for (GSList *i = converted; i != NULL; i = i->next)
items = g_slist_prepend(items, doc->getObjectByRepr((Inkscape::XML::Node*)(i->data)));
items = sp_degroup_list (items); // converting to path may have added more groups, descend again
items = g_slist_sort(items, (GCompareFunc) sp_item_repr_compare_position);
items = g_slist_reverse(items);
// remember the position, id, transform and style of the topmost path, they will be assigned to the combined one
gint position = 0;
char const *id = NULL;
char const *transform = NULL;
gchar *style = NULL;
gchar *path_effect = NULL;
SPCurve* curve = 0;
SPItem *first = NULL;
Inkscape::XML::Node *parent = NULL;
if (did) {
selection->clear();
}
for (GSList *i = items; i != NULL; i = i->next) { // going from top to bottom
SPItem *item = (SPItem *) i->data;
if (!SP_IS_PATH(item))
continue;
if (!did) {
selection->clear();
did = true;
}
SPCurve *c = sp_path_get_curve_for_edit(SP_PATH(item));
if (first == NULL) { // this is the topmost path
first = item;
parent = SP_OBJECT_REPR(first)->parent();
position = SP_OBJECT_REPR(first)->position();
id = SP_OBJECT_REPR(first)->attribute("id");
transform = SP_OBJECT_REPR(first)->attribute("transform");
// FIXME: merge styles of combined objects instead of using the first one's style
style = g_strdup(SP_OBJECT_REPR(first)->attribute("style"));
path_effect = g_strdup(SP_OBJECT_REPR(first)->attribute("inkscape:path-effect"));
//c->transform(item->transform);
curve = c;
} else {
c->transform(item->getRelativeTransform(SP_OBJECT(first)));
curve->append(c, false);
c->unref();
}
// unless this is the topmost object,
if (item != first) {
// reduce position only if the same parent
if (SP_OBJECT_REPR(item)->parent() == parent)
position--;
// delete the object for real, so that its clones can take appropriate action
SP_OBJECT(item)->deleteObject();
}
}
g_slist_free(items);
if (did) {
SP_OBJECT(first)->deleteObject(false);
// delete the topmost.
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");
// restore id, transform, path effect, and style
repr->setAttribute("id", id);
if (transform) repr->setAttribute("transform", transform);
repr->setAttribute("style", style);
g_free(style);
repr->setAttribute("inkscape:path-effect", path_effect);
g_free(path_effect);
// set path data corresponding to new curve
gchar *dstring = sp_svg_write_path(curve->get_pathvector());
curve->unref();
if (path_effect)
repr->setAttribute("inkscape:original-d", dstring);
else
repr->setAttribute("d", dstring);
g_free(dstring);
// add the new group to the parent of the topmost
parent->appendChild(repr);
// move to the position of the topmost, reduced by the number of deleted items
repr->setPosition(position > 0 ? position : 0);
sp_document_done(sp_desktop_document(desktop), SP_VERB_SELECTION_COMBINE,
_("Combine"));
selection->set(repr);
Inkscape::GC::release(repr);
} else {
sp_desktop_message_stack(desktop)->flash(Inkscape::ERROR_MESSAGE, _("<b>No path(s)</b> to combine in the selection."));
}
desktop->clearWaitingCursor();
}