Ejemplo n.º 1
0
static void
sp_lpe_item_create_original_path_recursive(SPLPEItem *lpeitem)
{
    g_return_if_fail(lpeitem != NULL);

    SPMask * mask = lpeitem->mask_ref->getObject();
    if(mask)
    {
        sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(mask->firstChild()));
    }
    SPClipPath * clipPath = lpeitem->clip_ref->getObject();
    if(clipPath)
    {
        sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(clipPath->firstChild()));
    }
    if (SP_IS_GROUP(lpeitem)) {
        GSList const *item_list = sp_item_group_item_list(SP_GROUP(lpeitem));
        for ( GSList const *iter = item_list; iter; iter = iter->next ) {
            SPObject *subitem = static_cast<SPObject *>(iter->data);
            if (SP_IS_LPE_ITEM(subitem)) {
                sp_lpe_item_create_original_path_recursive(SP_LPE_ITEM(subitem));
            }
        }
    }
    else if (SP_IS_PATH(lpeitem)) {
        Inkscape::XML::Node *pathrepr = lpeitem->getRepr();
        if ( !pathrepr->attribute("inkscape:original-d") ) {
            pathrepr->setAttribute("inkscape:original-d", pathrepr->attribute("d"));
        }
    }
}
Ejemplo n.º 2
0
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();
    }
}
Ejemplo n.º 3
0
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."));
    }
}
Ejemplo n.º 4
0
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));
        }
    }
}
Ejemplo n.º 5
0
static void
spdc_attach_selection (SPDrawContext *dc, SPSelection *sel)
{
	SPItem *item;

	/* We reset white and forget white/start/end anchors */
	spdc_reset_white (dc);
	dc->sa = NULL;
	dc->ea = NULL;

	item = sp_selection_item (dc->selection);

	if (item && SP_IS_PATH (item)) {
		SPCurve *norm;
		NRMatrixD i2dt;
		GSList *l;
		/* Create new white data */
		/* Item */
		dc->white_item = item;
		/* Curve list */
		/* We keep it in desktop coordinates to eliminate calculation errors */
		norm = sp_shape_get_curve (SP_SHAPE (item));
		sp_item_i2d_affine_d (dc->white_item, &i2dt);
		norm = sp_curve_transform (norm, NR_MATRIX_D_TO_DOUBLE (&i2dt));
		g_return_if_fail (norm != NULL);
		dc->white_curves = sp_curve_split (norm);
		sp_curve_unref (norm);
		/* Anchor list */
		for (l = dc->white_curves; l != NULL; l = l->next) {
			SPCurve *c;
			c = (SPCurve*)l->data;
			g_return_if_fail (c->end > 1);
			if (c->bpath->code == ART_MOVETO_OPEN) {
				ArtBpath *s, *e;
				SPDrawAnchor *a;
				s = sp_curve_first_bpath (c);
				e = sp_curve_last_bpath (c);
				a = sp_draw_anchor_new (dc, c, TRUE, s->x3, s->y3);
				dc->white_anchors = g_slist_prepend (dc->white_anchors, a);
				a = sp_draw_anchor_new (dc, c, FALSE, e->x3, e->y3);
				dc->white_anchors = g_slist_prepend (dc->white_anchors, a);
			}
		}
		/* fixme: recalculate active anchor? */
	}
}
Ejemplo n.º 6
0
/**
 * 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();
}
Ejemplo n.º 7
0
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);
        }
    }
}
Ejemplo n.º 8
0
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;
}
Ejemplo n.º 9
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;
}
Ejemplo n.º 10
0
static gint
pencil_handle_button_press(SPPencilContext *const pc, GdkEventButton const &bevent)
{
    gint ret = FALSE;
    SPEventContext *event_context = SP_EVENT_CONTEXT(pc);
    if ( bevent.button == 1  && !event_context->space_panning) {

        SPDrawContext *dc = SP_DRAW_CONTEXT (pc);
        SPDesktop *desktop = SP_EVENT_CONTEXT_DESKTOP(dc);
        Inkscape::Selection *selection = sp_desktop_selection(desktop);

        if (Inkscape::have_viable_layer(desktop, dc->_message_context) == false) {
            return TRUE;
        }

        Geom::Point const button_w(bevent.x, bevent.y);

        /* Find desktop coordinates */
        Geom::Point p = pc->desktop->w2d(button_w);

        /* Test whether we hit any anchor. */
        SPDrawAnchor *anchor = spdc_test_inside(pc, button_w);

        pencil_drag_origin_w = Geom::Point(bevent.x,bevent.y);
        pencil_within_tolerance = true;

        switch (pc->state) {
            case SP_PENCIL_CONTEXT_ADDLINE:
                /* Current segment will be finished with release */
                ret = TRUE;
                break;
            default:
                /* Set first point of sequence */
                if (bevent.state & GDK_CONTROL_MASK) {
                    spdc_create_single_dot(event_context, p, "/tools/freehand/pencil", bevent.state);
                    ret = true;
                    break;
                }
                if (anchor) {
                    p = anchor->dp;
                    desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Continuing selected path"));
                } else {

                    if (!(bevent.state & GDK_SHIFT_MASK)) {

                        // This is the first click of a new curve; deselect item so that
                        // this curve is not combined with it (unless it is drawn from its
                        // anchor, which is handled by the sibling branch above)
                        selection->clear();
                        desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Creating new path"));
                        SnapManager &m = desktop->namedview->snap_manager;
                        m.setup(desktop);
                        Inkscape::SnappedPoint const s = m.freeSnap(Inkscape::SnapPreferences::SNAPPOINT_NODE, p);
                        if (s.getSnapped()) {
                        	s.getPoint(p);
                        	pc->prev_snap_was_succesful = true;
                        } else {
                        	pc->prev_snap_was_succesful = false;
                        }
                    } else if (selection->singleItem() && SP_IS_PATH(selection->singleItem())) {
                        desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Appending to selected path"));
                    }
                }
                pc->sa = anchor;
                spdc_set_startpoint(pc, p);
                ret = TRUE;
                break;
        }

        pc->is_drawing = true;
    }
    return ret;
}
Ejemplo n.º 11
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));
                        }
                    }
                }
            }
        }
    }
}
Ejemplo n.º 12
0
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();
}
Ejemplo n.º 13
0
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;
}
Ejemplo n.º 14
0
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."));
    }
}