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#define __SP_FILTER_PRIMITIVE_CPP__
/** \file
* Superclass for all the filter primitives
*
*/
/*
* Authors:
* Kees Cook <kees@outflux.net>
*
* Copyright (C) 2004 Kees Cook
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "attributes.h"
#include "sp-filter-primitive.h"
#include "xml/repr.h"
#include "sp-filter.h"
/* FilterPrimitive base class */
static void sp_filter_primitive_class_init(SPFilterPrimitiveClass *klass);
static void sp_filter_primitive_init(SPFilterPrimitive *filter_primitive);
static void sp_filter_primitive_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
static void sp_filter_primitive_release(SPObject *object);
static void sp_filter_primitive_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_filter_primitive_update(SPObject *object, SPCtx *ctx, guint flags);
static Inkscape::XML::Node *sp_filter_primitive_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static SPObjectClass *filter_primitive_parent_class;
GType
sp_filter_primitive_get_type()
{
static GType filter_primitive_type = 0;
if (!filter_primitive_type) {
GTypeInfo filter_primitive_info = {
sizeof(SPFilterPrimitiveClass),
NULL, NULL,
(GClassInitFunc) sp_filter_primitive_class_init,
NULL, NULL,
sizeof(SPFilterPrimitive),
16,
(GInstanceInitFunc) sp_filter_primitive_init,
NULL, /* value_table */
};
filter_primitive_type = g_type_register_static(SP_TYPE_OBJECT, "SPFilterPrimitive", &filter_primitive_info, (GTypeFlags)0);
}
return filter_primitive_type;
}
static void
sp_filter_primitive_class_init(SPFilterPrimitiveClass *klass)
{
//GObjectClass *gobject_class = (GObjectClass *)klass;
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
filter_primitive_parent_class = (SPObjectClass*)g_type_class_peek_parent(klass);
sp_object_class->build = sp_filter_primitive_build;
sp_object_class->release = sp_filter_primitive_release;
sp_object_class->write = sp_filter_primitive_write;
sp_object_class->set = sp_filter_primitive_set;
sp_object_class->update = sp_filter_primitive_update;
}
static void
sp_filter_primitive_init(SPFilterPrimitive *filter_primitive)
{
}
/**
* Reads the Inkscape::XML::Node, and initializes SPFilterPrimitive variables. For this to get called,
* our name must be associated with a repr via "sp_object_type_register". Best done through
* sp-object-repr.cpp's repr_name_entries array.
*/
static void
sp_filter_primitive_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
{
if (((SPObjectClass *) filter_primitive_parent_class)->build) {
((SPObjectClass *) filter_primitive_parent_class)->build(object, document, repr);
}
if (object->parent)
add_primitive((SPFilter*)object->parent, (SPFilterPrimitive*)object);
}
/**
* Drops any allocated memory.
*/
static void
sp_filter_primitive_release(SPObject *object)
{
/* deal with our children and our selves here */
if (((SPObjectClass *) filter_primitive_parent_class)->release)
((SPObjectClass *) filter_primitive_parent_class)->release(object);
}
/**
* Sets a specific value in the SPFilterPrimitive.
*/
static void
sp_filter_primitive_set(SPObject *object, unsigned int key, gchar const *value)
{
SPFilterPrimitive *filter_primitive = SP_FILTER_PRIMITIVE(object);
/* See if any parents need this value. */
if (((SPObjectClass *) filter_primitive_parent_class)->set) {
((SPObjectClass *) filter_primitive_parent_class)->set(object, key, value);
}
}
/**
* Receives update notifications.
*/
static void
sp_filter_primitive_update(SPObject *object, SPCtx *ctx, guint flags)
{
//SPFilterPrimitive *filter_primitive = SP_FILTER_PRIMITIVE(object);
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
/* do something to trigger redisplay, updates? */
}
if (((SPObjectClass *) filter_primitive_parent_class)->update) {
((SPObjectClass *) filter_primitive_parent_class)->update(object, ctx, flags);
}
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
sp_filter_primitive_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
//SPFilterPrimitive *filterPrimitive = SP_FILTER_PRIMITIVE(object);
// Inkscape-only object, not copied during an "plain SVG" dump:
if (flags & SP_OBJECT_WRITE_EXT) {
if (repr) {
// is this sane?
//repr->mergeFrom(SP_OBJECT_REPR(object), "id");
} else {
repr = SP_OBJECT_REPR(object)->duplicate();
}
}
if (((SPObjectClass *) filter_primitive_parent_class)->write) {
((SPObjectClass *) filter_primitive_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:encoding=utf-8:textwidth=99 :
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