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#define INKSCAPE_LIVEPATHEFFECT_OBJECT_CPP
/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "xml/repr.h"
#include "xml/node-event-vector.h"
#include "sp-object.h"
#include "attributes.h"
#include "document.h"
#include <glibmm/i18n.h>
#include "live_effects/lpeobject.h"
#include "live_effects/effect.h"
//#define LIVEPATHEFFECT_VERBOSE
static void livepatheffect_class_init(LivePathEffectObjectClass *klass);
static void livepatheffect_init(LivePathEffectObject *stop);
static void livepatheffect_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
static void livepatheffect_release(SPObject *object);
static void livepatheffect_set(SPObject *object, unsigned key, gchar const *value);
static Inkscape::XML::Node *livepatheffect_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static void livepatheffect_on_repr_attr_changed (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive, void * data);
static SPObjectClass *livepatheffect_parent_class;
/**
* Registers the LivePathEffect class with Gdk and returns its type number.
*/
GType
livepatheffect_get_type ()
{
static GType livepatheffect_type = 0;
if (!livepatheffect_type) {
GTypeInfo livepatheffect_info = {
sizeof (LivePathEffectObjectClass),
NULL, NULL,
(GClassInitFunc) livepatheffect_class_init,
NULL, NULL,
sizeof (LivePathEffectObject),
16,
(GInstanceInitFunc) livepatheffect_init,
NULL,
};
livepatheffect_type = g_type_register_static (SP_TYPE_OBJECT, "LivePathEffectObject", &livepatheffect_info, (GTypeFlags)0);
}
return livepatheffect_type;
}
static Inkscape::XML::NodeEventVector const livepatheffect_repr_events = {
NULL, /* child_added */
NULL, /* child_removed */
livepatheffect_on_repr_attr_changed,
NULL, /* content_changed */
NULL /* order_changed */
};
/**
* Callback to initialize livepatheffect vtable.
*/
static void
livepatheffect_class_init(LivePathEffectObjectClass *klass)
{
SPObjectClass *sp_object_class = (SPObjectClass *) klass;
livepatheffect_parent_class = (SPObjectClass *) g_type_class_ref(SP_TYPE_OBJECT);
sp_object_class->build = livepatheffect_build;
sp_object_class->release = livepatheffect_release;
sp_object_class->set = livepatheffect_set;
sp_object_class->write = livepatheffect_write;
}
/**
* Callback to initialize livepatheffect object.
*/
static void
livepatheffect_init(LivePathEffectObject *lpeobj)
{
#ifdef LIVEPATHEFFECT_VERBOSE
g_message("Init livepatheffectobject");
#endif
lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
lpeobj->lpe = NULL;
lpeobj->effecttype_set = false;
}
/**
* Virtual build: set livepatheffect attributes from its associated XML node.
*/
static void
livepatheffect_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
{
#ifdef LIVEPATHEFFECT_VERBOSE
g_message("Build livepatheffect");
#endif
g_assert(object != NULL);
g_assert(SP_IS_OBJECT(object));
if (((SPObjectClass *) livepatheffect_parent_class)->build)
(* ((SPObjectClass *) livepatheffect_parent_class)->build)(object, document, repr);
sp_object_read_attr(object, "effect");
if (repr) {
repr->addListener (&livepatheffect_repr_events, object);
}
/* Register ourselves, is this necessary? */
// sp_document_add_resource(document, "path-effect", object);
}
/**
* Virtual release of livepatheffect members before destruction.
*/
static void
livepatheffect_release(SPObject *object)
{
#ifdef LIVEPATHEFFECT_VERBOSE
g_print("Releasing livepatheffect");
#endif
LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
SP_OBJECT_REPR(object)->removeListenerByData(object);
/*
if (SP_OBJECT_DOCUMENT(object)) {
// Unregister ourselves
sp_document_remove_resource(SP_OBJECT_DOCUMENT(object), "livepatheffect", SP_OBJECT(object));
}
if (gradient->ref) {
gradient->modified_connection.disconnect();
gradient->ref->detach();
delete gradient->ref;
gradient->ref = NULL;
}
gradient->modified_connection.~connection();
*/
if (lpeobj->lpe) {
delete lpeobj->lpe;
lpeobj->lpe = NULL;
}
lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
if (((SPObjectClass *) livepatheffect_parent_class)->release)
((SPObjectClass *) livepatheffect_parent_class)->release(object);
}
/**
* Virtual set: set attribute to value.
*/
static void
livepatheffect_set(SPObject *object, unsigned key, gchar const *value)
{
LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
#ifdef LIVEPATHEFFECT_VERBOSE
g_print("Set livepatheffect");
#endif
switch (key) {
case SP_PROP_PATH_EFFECT:
if (lpeobj->lpe) {
delete lpeobj->lpe;
lpeobj->lpe = NULL;
}
if (value) {
lpeobj->effecttype = Inkscape::LivePathEffect::LPETypeConverter.get_id_from_key(value);
if (lpeobj->effecttype != Inkscape::LivePathEffect::INVALID_LPE) {
lpeobj->lpe = Inkscape::LivePathEffect::Effect::New(lpeobj->effecttype, lpeobj);
}
lpeobj->effecttype_set = true;
} else {
lpeobj->effecttype = Inkscape::LivePathEffect::INVALID_LPE;
lpeobj->effecttype_set = false;
}
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
}
if (((SPObjectClass *) livepatheffect_parent_class)->set) {
((SPObjectClass *) livepatheffect_parent_class)->set(object, key, value);
}
}
/**
* Virtual write: write object attributes to repr.
*/
static Inkscape::XML::Node *
livepatheffect_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
#ifdef LIVEPATHEFFECT_VERBOSE
g_print("Write livepatheffect");
#endif
LivePathEffectObject *lpeobj = LIVEPATHEFFECT(object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
repr = xml_doc->createElement("inkscape:path-effect");
}
if ((flags & SP_OBJECT_WRITE_ALL) || lpeobj->effecttype_set)
repr->setAttribute("effect", Inkscape::LivePathEffect::LPETypeConverter.get_key(lpeobj->effecttype).c_str());
// lpeobj->lpe->write(repr); something like this.
if (((SPObjectClass *) livepatheffect_parent_class)->write)
(* ((SPObjectClass *) livepatheffect_parent_class)->write)(object, repr, flags);
return repr;
}
static void
livepatheffect_on_repr_attr_changed ( Inkscape::XML::Node * repr,
const gchar *key,
const gchar *oldval,
const gchar *newval,
bool is_interactive,
void * data )
{
#ifdef LIVEPATHEFFECT_VERBOSE
g_print("livepatheffect_on_repr_attr_changed");
#endif
if (!data)
return;
LivePathEffectObject *lpeobj = (LivePathEffectObject*) data;
if (!lpeobj->lpe)
return;
lpeobj->lpe->setParameter(repr, key, oldval, newval);
lpeobj->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
/*
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 :
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