#define __SP_DEFS_C__ /* * SVG <defs> implementation * * Authors: * Lauris Kaplinski <lauris@kaplinski.com> * * Copyright (C) 2000-2002 authors * * Released under GNU GPL, read the file 'COPYING' for more information */ /* * fixme: We should really check childrens validity - currently everything * flips in */ #include "sp-defs.h" #include "xml/repr.h" static void sp_defs_class_init(SPDefsClass *dc); static void sp_defs_init(SPDefs *defs); static void sp_defs_release(SPObject *object); static void sp_defs_update(SPObject *object, SPCtx *ctx, guint flags); static void sp_defs_modified(SPObject *object, guint flags); static Inkscape::XML::Node *sp_defs_write(SPObject *object, Inkscape::XML::Node *repr, guint flags); static SPObjectClass *parent_class; GType sp_defs_get_type(void) { static GType defs_type = 0; if (!defs_type) { GTypeInfo defs_info = { sizeof(SPDefsClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) sp_defs_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof(SPDefs), 16, /* n_preallocs */ (GInstanceInitFunc) sp_defs_init, NULL, /* value_table */ }; defs_type = g_type_register_static(SP_TYPE_OBJECT, "SPDefs", &defs_info, (GTypeFlags) 0); } return defs_type; } static void sp_defs_class_init(SPDefsClass *dc) { parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT); SPObjectClass *sp_object_class = (SPObjectClass *) dc; sp_object_class->release = sp_defs_release; sp_object_class->update = sp_defs_update; sp_object_class->modified = sp_defs_modified; sp_object_class->write = sp_defs_write; } static void sp_defs_init(SPDefs *defs) { } static void sp_defs_release(SPObject *object) { if (((SPObjectClass *) (parent_class))->release) { ((SPObjectClass *) (parent_class))->release(object); } } static void sp_defs_update(SPObject *object, SPCtx *ctx, guint flags) { if (flags & SP_OBJECT_MODIFIED_FLAG) { flags |= SP_OBJECT_PARENT_MODIFIED_FLAG; } flags &= SP_OBJECT_MODIFIED_CASCADE; GSList *l = g_slist_reverse(object->childList(true)); while (l) { SPObject *child = SP_OBJECT(l->data); l = g_slist_remove(l, child); if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { child->updateDisplay(ctx, flags); } g_object_unref (G_OBJECT (child)); } } static void sp_defs_modified(SPObject *object, guint flags) { if (flags & SP_OBJECT_MODIFIED_FLAG) { flags |= SP_OBJECT_PARENT_MODIFIED_FLAG; } flags &= SP_OBJECT_MODIFIED_CASCADE; GSList *l = NULL; for ( SPObject *child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) { g_object_ref(G_OBJECT(child)); l = g_slist_prepend(l, child); } l = g_slist_reverse(l); while (l) { SPObject *child = SP_OBJECT(l->data); l = g_slist_remove(l, child); if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { child->emitModified(flags); } g_object_unref(G_OBJECT (child)); } } static Inkscape::XML::Node *sp_defs_write(SPObject *object, Inkscape::XML::Node *repr, guint flags) { if (flags & SP_OBJECT_WRITE_BUILD) { if (!repr) { repr = sp_repr_new("svg:defs"); } GSList *l = NULL; for ( SPObject *child = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) { Inkscape::XML::Node *crepr = child->updateRepr(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 = sp_object_first_child(object) ; child != NULL; child = SP_OBJECT_NEXT(child) ) { child->updateRepr(flags); } } if (((SPObjectClass *) (parent_class))->write) { (* ((SPObjectClass *) (parent_class))->write)(object, 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 :