// Create a mask element (using passed elements), add it to <defs>
const gchar *
sp_clippath_create (GSList *reprs, SPDocument *document, Geom::Matrix const* applyTransform)
{
Inkscape::XML::Node *defsrepr = SP_OBJECT_REPR (SP_DOCUMENT_DEFS (document));
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(document);
Inkscape::XML::Node *repr = xml_doc->createElement("svg:clipPath");
repr->setAttribute("clipPathUnits", "userSpaceOnUse");
defsrepr->appendChild(repr);
const gchar *id = repr->attribute("id");
SPObject *clip_path_object = document->getObjectById(id);
for (GSList *it = reprs; it != NULL; it = it->next) {
Inkscape::XML::Node *node = (Inkscape::XML::Node *)(it->data);
SPItem *item = SP_ITEM(clip_path_object->appendChildRepr(node));
if (NULL != applyTransform) {
Geom::Matrix transform (item->transform);
transform *= (*applyTransform);
sp_item_write_transform(item, SP_OBJECT_REPR(item), transform);
}
}
Inkscape::GC::release(repr);
return id;
}
Inkscape::XML::Node *
Parameter::document_param_node (SPDocument * doc)
{
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
Inkscape::XML::Node * defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc));
Inkscape::XML::Node * params = NULL;
GQuark const name_quark = g_quark_from_string("inkscape:extension-params");
for (Inkscape::XML::Node * child = defs->firstChild();
child != NULL;
child = child->next()) {
if ((GQuark)child->code() == name_quark &&
!strcmp(child->attribute("extension"), extension->get_id())) {
params = child;
break;
}
}
if (params == NULL) {
params = xml_doc->createElement("inkscape:extension-param");
params->setAttribute("extension", extension->get_id());
defs->appendChild(params);
Inkscape::GC::release(params);
}
return params;
}
/* Create a default perspective in document defs if none is present (which can happen, among other
* circumstances, after 'vacuum defs' or when a pre-0.46 file is opened).
*/
static void sp_box3d_context_ensure_persp_in_defs(SPDocument *document) {
SPDefs *defs = (SPDefs *) SP_DOCUMENT_DEFS(document);
bool has_persp = false;
for (SPObject *child = sp_object_first_child(defs); child != NULL; child = SP_OBJECT_NEXT(child) ) {
if (SP_IS_PERSP3D(child)) {
has_persp = true;
break;
}
}
if (!has_persp) {
document->setCurrentPersp3D(persp3d_create_xml_element (document));
}
}
void
PathEffect::processPathEffects (SPDocument * doc, Inkscape::XML::Node * path)
{
gchar const * patheffectlist = path->attribute("inkscape:path-effects");
if (patheffectlist == NULL)
return;
gchar ** patheffects = g_strsplit(patheffectlist, ";", 128);
Inkscape::XML::Node * defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc));
for (int i = 0; patheffects[i] != NULL && i < 128; i++) {
gchar * patheffect = patheffects[i];
// This is weird, they should all be references... but anyway
if (patheffect[0] != '#') continue;
Inkscape::XML::Node * prefs = sp_repr_lookup_child(defs, "id", &(patheffect[1]));
if (prefs == NULL) {
continue;
}
gchar const * ext_id = prefs->attribute("extension");
if (ext_id == NULL) {
continue;
}
Inkscape::Extension::PathEffect * peffect;
peffect = dynamic_cast<Inkscape::Extension::PathEffect *>(Inkscape::Extension::db.get(ext_id));
if (peffect != NULL) {
continue;
}
peffect->processPath(doc, path, prefs);
}
g_strfreev(patheffects);
return;
}
GtkWidget *
gr_change_widget (SPDesktop *desktop)
{
Inkscape::Selection *selection = sp_desktop_selection (desktop);
SPDocument *document = sp_desktop_document (desktop);
SPEventContext *ev = sp_desktop_event_context (desktop);
SPGradient *gr_selected = NULL;
bool gr_multi = false;
SPGradientSpread spr_selected = (SPGradientSpread) INT_MAX; // meaning undefined
bool spr_multi = false;
GtkTooltips *tt = gtk_tooltips_new();
gr_read_selection (selection, ev? ev->get_drag() : NULL, &gr_selected, &gr_multi, &spr_selected, &spr_multi);
GtkWidget *widget = gtk_hbox_new(FALSE, FALSE);
gtk_object_set_data(GTK_OBJECT(widget), "dtw", desktop->canvas);
g_object_set_data (G_OBJECT (widget), "desktop", desktop);
GtkWidget *om = gr_vector_list (desktop, selection->isEmpty(), gr_selected, gr_multi);
g_object_set_data (G_OBJECT (widget), "menu", om);
gtk_box_pack_start (GTK_BOX (widget), om, TRUE, TRUE, 0);
{
GtkWidget *buttons = gtk_hbox_new(FALSE, 1);
/* Edit... */
{
GtkWidget *hb = gtk_hbox_new(FALSE, 1);
GtkWidget *b = gtk_button_new_with_label(_("Edit..."));
gtk_tooltips_set_tip(tt, b, _("Edit the stops of the gradient"), NULL);
gtk_widget_show(b);
gtk_container_add(GTK_CONTAINER(hb), b);
gtk_signal_connect(GTK_OBJECT(b), "clicked", GTK_SIGNAL_FUNC(gr_edit), widget);
gtk_box_pack_start (GTK_BOX(buttons), hb, FALSE, FALSE, 0);
}
gtk_box_pack_end (GTK_BOX(widget), buttons, FALSE, FALSE, 0);
g_object_set_data (G_OBJECT(widget), "buttons", buttons);
gtk_widget_set_sensitive (buttons, (gr_selected && !gr_multi));
}
// connect to selection modified and changed signals
sigc::connection *conn1 = new sigc::connection (selection->connectChanged(
sigc::bind (
sigc::ptr_fun(&gr_tb_selection_changed),
(gpointer)widget )
));
sigc::connection *conn2 = new sigc::connection (selection->connectModified(
sigc::bind (
sigc::ptr_fun(&gr_tb_selection_modified),
(gpointer)widget )
));
sigc::connection *conn3 = new sigc::connection (desktop->connectToolSubselectionChanged(
sigc::bind (
sigc::ptr_fun(&gr_drag_selection_changed),
(gpointer)widget )
));
// when widget is destroyed, disconnect
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn1);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn2);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn3);
// connect to release and modified signals of the defs (i.e. when someone changes gradient)
sigc::connection *release_connection = new sigc::connection();
*release_connection = SP_DOCUMENT_DEFS(document)->connectRelease(sigc::bind<1>(sigc::ptr_fun(&gr_defs_release), widget));
sigc::connection *modified_connection = new sigc::connection();
*modified_connection = SP_DOCUMENT_DEFS(document)->connectModified(sigc::bind<2>(sigc::ptr_fun(&gr_defs_modified), widget));
// when widget is destroyed, disconnect
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), release_connection);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), modified_connection);
gtk_widget_show_all (widget);
return widget;
}
