inkscape/src/sp-defs.cpp

	sp-defs.cpp revision 0de73848362e95b081e5fa85f910d6481094b2b9
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen/*
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * SVG <defs> implementation
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen *
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * Authors:
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen *   Lauris Kaplinski <lauris@kaplinski.com>
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen *   Jon A. Cruz <jon@joncruz.org>
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould *   Abhishek Sharma
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen *
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * Copyright (C) 2000-2002 authors
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen *
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * Released under GNU GPL, read the file 'COPYING' for more information
c0537dcfe264414d52ad86579d57cb0cb2183dcbAlex Valavanis */
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen/*
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * fixme: We should really check childrens validity - currently everything
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen * flips in
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould */
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen#include "sp-defs.h"
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen#include "xml/repr.h"
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen#include "document.h"
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould#include "sp-factory.h"
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelennamespace {
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    SPObject* createDefs() {
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        return new SPDefs();
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    }
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    bool defsRegistered = SPFactory::instance().registerObject("svg:defs", createDefs);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould}
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed GouldSPDefs::SPDefs() : SPObject() {
5cf332777b4c27336d64c273ac63bce3ee27a53dAlex Valavanis}
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed GouldSPDefs::~SPDefs() {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould}
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gouldvoid SPDefs::release() {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    SPObject::release();
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould}
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gouldvoid SPDefs::update(SPCtx *ctx, guint flags) {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    if (flags & SP_OBJECT_MODIFIED_FLAG) {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    }
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    flags &= SP_OBJECT_MODIFIED_CASCADE;
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen    SelContainer l(this->childList(true));
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    l.reverse();
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    for(SelContainer::const_iterator i=l.begin();i!=l.end();i++){
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        SPObject *child = SP_OBJECT(*i);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould            child->updateDisplay(ctx, flags);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        }
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        sp_object_unref(child);
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    }
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen}
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelenvoid SPDefs::modified(unsigned int flags) {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    if (flags & SP_OBJECT_MODIFIED_FLAG) {
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        flags |= SP_OBJECT_PARENT_MODIFIED_FLAG;
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    }
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    flags &= SP_OBJECT_MODIFIED_CASCADE;
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    GSList *l = NULL;
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    for ( SPObject *child = this->firstChild() ; child; child = child->getNext() ) {
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        sp_object_ref(child);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould        l = g_slist_prepend(l, child);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    }
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    l = g_slist_reverse(l);
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould
6c3e745a94ef6b25a4ef9f018d350a7535aa45afTed Gould    while (l) {
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        SPObject *child = SP_OBJECT(l->data);
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        l = g_slist_remove(l, child);
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen            child->emitModified(flags);
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        }
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen        sp_object_unref(child);
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen    }
4b6d620057c6cbaf072607eda6d18a7934fc19c8johanengelen}

Inkscape::XML::Node* SPDefs::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
    if (flags & SP_OBJECT_WRITE_BUILD) {

        if (!repr) {
            repr = xml_doc->createElement("svg:defs");
        }

        GSList *l = NULL;
        for ( SPObject *child = this->firstChild() ; child; child = child->getNext() ) {
            Inkscape::XML::Node *crepr = child->updateRepr(xml_doc, NULL, flags);
            if (crepr) {
                l = g_slist_prepend(l, crepr);
            }
        }

        while (l) {
            repr->addChild((Inkscape::XML::Node *) l->data, NULL);
            Inkscape::GC::release((Inkscape::XML::Node *) l->data);
            l = g_slist_remove(l, l->data);
        }

    } else {
        for ( SPObject *child = this->firstChild() ; child; child = child->getNext() ) {
            child->updateRepr(flags);
        }
    }

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

    return repr;
}

/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :