Beispiel #1
0
/**
 * Get the number of dereferences or calls to get_original() needed to get an object
 * which is not an svg:use. Returns -1 if there is no original object.
 */
int SPUse::cloneDepth() const {
    unsigned depth = 1;
    SPItem *orig = this->child;

    while (orig && SP_IS_USE(orig)) {
        ++depth;
        orig = SP_USE(orig)->child;
    }

    if (!orig) return -1;
    return depth;
}
Beispiel #2
0
/**
 * Returns the ultimate original of a SPUse (i.e. the first object in the chain of its originals
 * which is not an SPUse). If no original is found, NULL is returned (it is the responsibility
 * of the caller to make sure that this is handled correctly).
 *
 * Note that the returned is the clone object, i.e. the child of an SPUse (of the argument one for
 * the trivial case) and not the "true original".
 */
SPItem *SPUse::root() {
    SPItem *orig = this->child;

    while (orig && SP_IS_USE(orig)) {
        orig = SP_USE(orig)->child;
    }

    if (!orig) {
        return NULL;
    }

    return orig;
}
Beispiel #3
0
/**
 * Returns the effective transform that goes from the ultimate original to given SPUse, both ends
 * included.
 */
Geom::Affine SPUse::get_root_transform() {
    //track the ultimate source of a chain of uses
    SPObject *orig = this->child;

    GSList *chain = NULL;
    chain = g_slist_prepend(chain, this);

    while (SP_IS_USE(orig)) {
        chain = g_slist_prepend(chain, orig);
        orig = SP_USE(orig)->child;
    }

    chain = g_slist_prepend(chain, orig);


    // calculate the accummulated transform, starting from the original
    Geom::Affine t(Geom::identity());

    for (GSList *i = chain; i != NULL; i = i->next) {
        SPItem *i_tem = SP_ITEM(i->data);

        // "An additional transformation translate(x,y) is appended to the end (i.e.,
        // right-side) of the transform attribute on the generated 'g', where x and y
        // represent the values of the x and y attributes on the 'use' element." - http://www.w3.org/TR/SVG11/struct.html#UseElement
        if (SP_IS_USE(i_tem)) {
            SPUse *i_use = SP_USE(i_tem);

            if ((i_use->x._set && i_use->x.computed != 0) || (i_use->y._set && i_use->y.computed != 0)) {
                t = t * Geom::Translate(i_use->x._set ? i_use->x.computed : 0, i_use->y._set ? i_use->y.computed : 0);
            }
        }

        t *= i_tem->transform;
    }

    g_slist_free(chain);
    return t;
}
Beispiel #4
0
static void         GetDest(SPObject* child,Shape **computed)
{
	if ( child == NULL ) return;

	SPCurve *curve=NULL;
	Geom::Matrix tr_mat;

	SPObject* u_child=child;
	if ( SP_IS_USE(u_child) ) {
		u_child=SP_USE(u_child)->child;
		tr_mat = SP_ITEM(u_child)->getRelativeTransform(SP_OBJECT_PARENT(child));
	} else {
		tr_mat = SP_ITEM(u_child)->transform;
	}
	if ( SP_IS_SHAPE (u_child) ) {
		curve = sp_shape_get_curve (SP_SHAPE (u_child));
	} else if ( SP_IS_TEXT (u_child) ) {
	curve = SP_TEXT (u_child)->getNormalizedBpath ();
	}

	if ( curve ) {
		Path*   temp=new Path;
        temp->LoadPathVector(curve->get_pathvector(), tr_mat, true);
		Shape*  n_shp=new Shape;
		temp->Convert(0.25);
		temp->Fill(n_shp,0);
		Shape*  uncross=new Shape;
		SPStyle* style=SP_OBJECT_STYLE(u_child);
		if ( style && style->fill_rule.computed == SP_WIND_RULE_EVENODD ) {
			uncross->ConvertToShape(n_shp,fill_oddEven);
		} else {
			uncross->ConvertToShape(n_shp,fill_nonZero);
		}
		UnionShape(computed, uncross);
		delete uncross;
		delete n_shp;
		delete temp;
		curve->unref();
	} else {
//		printf("no curve\n");
	}
}
bool
item_type_match (SPItem *item, GtkWidget *widget)
{
    SPDesktop *desktop = SP_ACTIVE_DESKTOP;

    if (SP_IS_RECT(item)) {
        return (type_checkbox (widget, "shapes") || type_checkbox (widget, "rects"));

    } else if (SP_IS_GENERICELLIPSE(item) || SP_IS_ELLIPSE(item) || SP_IS_ARC(item) || SP_IS_CIRCLE(item)) {
        return (type_checkbox (widget, "shapes") || type_checkbox (widget, "ellipses"));

    } else if (SP_IS_STAR(item) || SP_IS_POLYGON(item)) {
        return (type_checkbox (widget, "shapes") || type_checkbox (widget, "stars"));

    } else if (SP_IS_SPIRAL(item)) {
        return (type_checkbox (widget, "shapes") || type_checkbox (widget, "spirals"));

    } else if (SP_IS_PATH(item) || SP_IS_LINE(item) || SP_IS_POLYLINE(item)) {
        return (type_checkbox (widget, "paths"));

    } else if (SP_IS_TEXT(item) || SP_IS_TSPAN(item) || SP_IS_TREF(item) || SP_IS_STRING(item)) {
        return (type_checkbox (widget, "texts"));

    } else if (SP_IS_GROUP(item) && !desktop->isLayer(item) ) { // never select layers!
        return (type_checkbox (widget, "groups"));

    } else if (SP_IS_USE(item)) {
        return (type_checkbox (widget, "clones"));

    } else if (SP_IS_IMAGE(item)) {
        return (type_checkbox (widget, "images"));

    } else if (SP_IS_OFFSET(item)) {
        return (type_checkbox (widget, "offsets"));
    }

    return false;
}
Beispiel #6
0
cairo_status_t
SvgFont::scaled_font_render_glyph (cairo_scaled_font_t  */*scaled_font*/,
                                   unsigned long         glyph,
                                   cairo_t              *cr,
                                   cairo_text_extents_t */*metrics*/)
{
    // This method does the actual rendering of glyphs.

    // We have glyphs.size() glyphs and possibly one missing-glyph declared on this SVG document
    // The id of the missing-glyph is always equal to glyphs.size()
    // All the other glyphs have ids ranging from 0 to glyphs.size()-1

    if (glyph > this->glyphs.size())     return CAIRO_STATUS_SUCCESS;//TODO: this is an error!

    SPObject* node;
    if (glyph == this->glyphs.size()){
        if (!this->missingglyph) return CAIRO_STATUS_SUCCESS;
        node = (SPObject*) this->missingglyph;
    } else {
        node = (SPObject*) this->glyphs[glyph];
    }

    if (!SP_IS_GLYPH(node) && !SP_IS_MISSING_GLYPH(node)) {
        return CAIRO_STATUS_SUCCESS;  // FIXME: is this the right code to return?
    }

    SPFont* spfont = (SPFont*) node->parent;
    if (!spfont) {
        return CAIRO_STATUS_SUCCESS;  // FIXME: is this the right code to return?
    }

    //glyphs can be described by arbitrary SVG declared in the childnodes of a glyph node
    // or using the d attribute of a glyph node.
    // pathv stores the path description from the d attribute:
    Geom::PathVector pathv;
    if (SP_IS_GLYPH(node) && ((SPGlyph*)node)->d) {
        pathv = sp_svg_read_pathv(((SPGlyph*)node)->d);
        pathv = flip_coordinate_system(spfont, pathv);
        this->render_glyph_path(cr, &pathv);
    } else if (SP_IS_MISSING_GLYPH(node) && ((SPMissingGlyph*)node)->d) {
        pathv = sp_svg_read_pathv(((SPMissingGlyph*)node)->d);
        pathv = flip_coordinate_system(spfont, pathv);
        this->render_glyph_path(cr, &pathv);
    }

    if (node->hasChildren()){
        //render the SVG described on this glyph's child nodes.
        for(node = node->children; node; node=node->next){
            if (SP_IS_PATH(node)){
                pathv = ((SPShape*)node)->_curve->get_pathvector();
                pathv = flip_coordinate_system(spfont, pathv);
                this->render_glyph_path(cr, &pathv);
            }
            if (SP_IS_OBJECTGROUP(node)){
                g_warning("TODO: svgfonts: render OBJECTGROUP");
            }
            if (SP_IS_USE(node)){
                SPItem* item = SP_USE(node)->ref->getObject();
                if (SP_IS_PATH(item)){
                    pathv = ((SPShape*)item)->_curve->get_pathvector();
                    pathv = flip_coordinate_system(spfont, pathv);
                    this->render_glyph_path(cr, &pathv);
                }

                glyph_modified_connection = ((SPObject*) item)->connectModified(sigc::mem_fun(*this, &SvgFont::glyph_modified));
            }
        }
    }

    return CAIRO_STATUS_SUCCESS;
}
void SelectionDescriber::_updateMessageFromSelection(Inkscape::Selection *selection) {
    GSList const *items = selection->itemList();

    if (!items) { // no items
        _context.set(Inkscape::NORMAL_MESSAGE, _when_nothing);
    } else {
        SPItem *item = SP_ITEM(items->data);
        SPObject *layer = selection->desktop()->layerForObject(item);
        SPObject *root = selection->desktop()->currentRoot();

        // Layer name
        gchar *layer_name;
        if (layer == root) {
            layer_name = g_strdup(_("root"));
        } else {
            char const *layer_label;
            bool is_label = false;
            if (layer->label()) {
                layer_label = layer->label();
                is_label = true;
            } else {
                layer_label = layer->defaultLabel();
            }
            char *quoted_layer_label = xml_quote_strdup(layer_label);
            if (is_label) {
                layer_name = g_strdup_printf(_("layer <b>%s</b>"), quoted_layer_label);
            } else {
                layer_name = g_strdup_printf(_("layer <b><i>%s</i></b>"), quoted_layer_label);
            }
            g_free(quoted_layer_label);
        }

        // Parent name
        SPObject *parent = item->parent;
        gchar const *parent_label = parent->getId();
        char *quoted_parent_label = xml_quote_strdup(parent_label);
        gchar *parent_name = g_strdup_printf(_("<i>%s</i>"), quoted_parent_label);
        g_free(quoted_parent_label);

        gchar *in_phrase;
        guint num_layers = selection->numberOfLayers();
        guint num_parents = selection->numberOfParents();
        if (num_layers == 1) {
            if (num_parents == 1) {
                if (layer == parent)
                    in_phrase = g_strdup_printf(_(" in %s"), layer_name);
                else 
                    in_phrase = g_strdup_printf(_(" in group %s (%s)"), parent_name, layer_name);
            } else {
                    in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> parents (%s)", " in <b>%i</b> parents (%s)", num_parents), num_parents, layer_name);
            }
        } else {
            in_phrase = g_strdup_printf(ngettext(" in <b>%i</b> layers", " in <b>%i</b> layers", num_layers), num_layers);
        }
        g_free (layer_name);
        g_free (parent_name);

        if (!items->next) { // one item
            char *item_desc = item->description();
            if (SP_IS_USE(item) && SP_IS_SYMBOL(item->firstChild())) {
                _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
                              item_desc, in_phrase,
                              _("Convert symbol to group to edit"), _when_selected);
            } else if (SP_IS_USE(item) || (SP_IS_OFFSET(item) && SP_OFFSET (item)->sourceHref)) {
                _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
                              item_desc, in_phrase,
                              _("Use <b>Shift+D</b> to look up original"), _when_selected);
            } else if (SP_IS_TEXT_TEXTPATH(item)) {
                _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
                              item_desc, in_phrase,
                              _("Use <b>Shift+D</b> to look up path"), _when_selected);
            } else if (SP_IS_FLOWTEXT(item) && !SP_FLOWTEXT(item)->has_internal_frame()) {
                _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s. %s.",
                              item_desc, in_phrase,
                              _("Use <b>Shift+D</b> to look up frame"), _when_selected);
            } else {
                _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s. %s.",
                              item_desc, in_phrase, _when_selected);
            }
            g_free(item_desc);
        } else { // multiple items
            int object_count = g_slist_length((GSList *)items);

            gchar *objects_str = NULL;
            GSList *terms = collect_terms ((GSList *)items);
            int n_terms = g_slist_length(terms);
            if (n_terms == 0) {
                objects_str = g_strdup_printf (
                    // this is only used with 2 or more objects
                    ngettext("<b>%i</b> object selected", "<b>%i</b> objects selected", object_count), 
                    object_count);
            } else if (n_terms == 1) {
                objects_str = g_strdup_printf (
                    // this is only used with 2 or more objects
                    ngettext("<b>%i</b> object of type <b>%s</b>", "<b>%i</b> objects of type <b>%s</b>", object_count),
                    object_count, (gchar *) terms->data);
            } else if (n_terms == 2) {
                objects_str = g_strdup_printf (
                    // this is only used with 2 or more objects
                    ngettext("<b>%i</b> object of types <b>%s</b>, <b>%s</b>", "<b>%i</b> objects of types <b>%s</b>, <b>%s</b>", object_count), 
                    object_count, (gchar *) terms->data, (gchar *) terms->next->data);
            } else if (n_terms == 3) {
                objects_str = g_strdup_printf (
                    // this is only used with 2 or more objects
                    ngettext("<b>%i</b> object of types <b>%s</b>, <b>%s</b>, <b>%s</b>", "<b>%i</b> objects of types <b>%s</b>, <b>%s</b>, <b>%s</b>", object_count), 
                    object_count, (gchar *) terms->data, (gchar *) terms->next->data, (gchar *) terms->next->next->data);
            } else {
                objects_str = g_strdup_printf (
                    // this is only used with 2 or more objects
                    ngettext("<b>%i</b> object of <b>%i</b> types", "<b>%i</b> objects of <b>%i</b> types", object_count), 
                    object_count, n_terms);
            }
            g_slist_free (terms);


            // indicate all, some, or none filtered
            gchar *filt_str = NULL;
            int n_filt = count_filtered((GSList *)items);  //all filtered
            if (n_filt) {
                filt_str = g_strdup_printf(ngettext("; <i>%d filtered object</i> ",
                                                     "; <i>%d filtered objects</i> ", n_filt), n_filt);
            } else {
                filt_str = g_strdup_printf("%s", "");
            }

            _context.setF(Inkscape::NORMAL_MESSAGE, "%s%s%s. %s.", objects_str, filt_str, in_phrase, _when_selected);
            if (objects_str) {
                g_free(objects_str);
                objects_str = 0;
            }
            if (filt_str) {
                g_free(filt_str);
                objects_str = 0;
            }
        }

        g_free(in_phrase);
    }
}
Beispiel #8
0
/// @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));
                        }
                    }
                }
            }
        }
    }
}
Beispiel #9
0
void Inkscape::ObjectSnapper::_collectNodes(SnapSourceType const &t,
                                            bool const &first_point) const
{
    // Now, let's first collect all points 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) {
        _points_to_snap_to->clear();

         // Determine the type of bounding box we should snap to
        SPItem::BBoxType bbox_type = SPItem::GEOMETRIC_BBOX;

        bool p_is_a_node = t & SNAPSOURCE_NODE_CATEGORY;
        bool p_is_a_bbox = t & SNAPSOURCE_BBOX_CATEGORY;
        bool p_is_other = (t & SNAPSOURCE_OTHERS_CATEGORY) || (t & SNAPSOURCE_DATUMS_CATEGORY);

        // A point considered for snapping should be either a node, a bbox corner or a guide/other. Pick only ONE!
        if (((p_is_a_node && p_is_a_bbox) || (p_is_a_bbox && p_is_other) || (p_is_a_node && p_is_other))) {
            g_warning("Snap warning: node type is ambiguous");
        }

        if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_CORNER, SNAPTARGET_BBOX_EDGE_MIDPOINT, SNAPTARGET_BBOX_MIDPOINT)) {
            Preferences *prefs = Preferences::get();
            bool prefs_bbox = prefs->getBool("/tools/bounding_box");
            bbox_type = !prefs_bbox ?
                SPItem::VISUAL_BBOX : SPItem::GEOMETRIC_BBOX;
        }

        // Consider the page border for snapping to
        if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PAGE_CORNER)) {
            _getBorderNodes(_points_to_snap_to);
        }

        for (std::vector<SnapCandidateItem>::const_iterator i = _candidates->begin(); i != _candidates->end(); ++i) {
            //Geom::Affine i2doc(Geom::identity());
            SPItem *root_item = (*i).item;
            if (SP_IS_USE((*i).item)) {
                root_item = SP_USE((*i).item)->root();
            }
            g_return_if_fail(root_item);

            //Collect all nodes so we can snap to them
            if (p_is_a_node || p_is_other || (p_is_a_bbox && !_snapmanager->snapprefs.getStrictSnapping())) {
                // Note: there are two ways in which intersections are considered:
                // Method 1: Intersections are calculated for each shape individually, for both the
                //           snap source and snap target (see sp_shape_snappoints)
                // Method 2: Intersections are calculated for each curve or line that we've snapped to, i.e. only for
                //           the target (see the intersect() method in the SnappedCurve and SnappedLine classes)
                // Some differences:
                // - Method 1 doesn't find intersections within a set of multiple objects
                // - Method 2 only works for targets
                // When considering intersections as snap targets:
                // - Method 1 only works when snapping to nodes, whereas
                // - Method 2 only works when snapping to paths
                // - There will be performance differences too!
                // If both methods are being used simultaneously, then this might lead to duplicate targets!

                // Well, here we will be looking for snap TARGETS. Both methods can therefore be used.
                // When snapping to paths, we will get a collection of snapped lines and snapped curves. findBestSnap() will
                // go hunting for intersections (but only when asked to in the prefs of course). In that case we can just
                // temporarily block the intersections in sp_item_snappoints, we don't need duplicates. If we're not snapping to
                // paths though but only to item nodes then we should still look for the intersections in sp_item_snappoints()
                bool old_pref = _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PATH_INTERSECTION);
                if (_snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_PATH)) {
                    // So if we snap to paths, then findBestSnap will find the intersections
                    // and therefore we temporarily disable SNAPTARGET_PATH_INTERSECTION, which will
                    // avoid root_item->getSnappoints() below from returning intersections
                    _snapmanager->snapprefs.setTargetSnappable(SNAPTARGET_PATH_INTERSECTION, false);
                }

                // We should not snap a transformation center to any of the centers of the items in the
                // current selection (see the comment in SelTrans::centerRequest())
                bool old_pref2 = _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_ROTATION_CENTER);
                if (old_pref2) {
                    for ( GSList const *itemlist = _snapmanager->getRotationCenterSource(); itemlist != NULL; itemlist = g_slist_next(itemlist) ) {
                        if ((*i).item == reinterpret_cast<SPItem*>(itemlist->data)) {
                            // don't snap to this item's rotation center
                            _snapmanager->snapprefs.setTargetSnappable(SNAPTARGET_ROTATION_CENTER, false);
                            break;
                        }
                    }
                }

                root_item->getSnappoints(*_points_to_snap_to, &_snapmanager->snapprefs);

                // restore the original snap preferences
                _snapmanager->snapprefs.setTargetSnappable(SNAPTARGET_PATH_INTERSECTION, old_pref);
                _snapmanager->snapprefs.setTargetSnappable(SNAPTARGET_ROTATION_CENTER, old_pref2);
            }

            //Collect the bounding box's corners so we can snap to them
            if (p_is_a_bbox || (!_snapmanager->snapprefs.getStrictSnapping() && p_is_a_node) || p_is_other) {
                // 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 b = root_item->desktopBounds(bbox_type);
                    getBBoxPoints(b, _points_to_snap_to, true,
                            _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_CORNER),
                            _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_EDGE_MIDPOINT),
                            _snapmanager->snapprefs.isTargetSnappable(SNAPTARGET_BBOX_MIDPOINT));
                }
            }
        }
    }
}