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#define __SP_FEMERGENODE_CPP__
/** \file
* feMergeNode implementation. A feMergeNode contains the name of one
* input image for feMerge.
*/
/*
* Authors:
* Kees Cook <kees@outflux.net>
* Niko Kiirala <niko@kiirala.com>
*
* Copyright (C) 2004,2007 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "attributes.h"
#include "xml/repr.h"
#include "sp-femergenode.h"
#include "sp-femerge.h"
static void sp_feMergeNode_class_init(SPFeMergeNodeClass *klass);
static void sp_feMergeNode_init(SPFeMergeNode *skeleton);
static void sp_feMergeNode_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
static void sp_feMergeNode_release(SPObject *object);
static void sp_feMergeNode_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_feMergeNode_update(SPObject *object, SPCtx *ctx, guint flags);
static Inkscape::XML::Node *sp_feMergeNode_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static SPObjectClass *feMergeNode_parent_class;
GType
sp_feMergeNode_get_type()
{
static GType feMergeNode_type = 0;
if (!feMergeNode_type) {
GTypeInfo feMergeNode_info = {
sizeof(SPFeMergeNodeClass),
NULL, NULL,
(GClassInitFunc) sp_feMergeNode_class_init,
NULL, NULL,
sizeof(SPFeMergeNode),
16,
(GInstanceInitFunc) sp_feMergeNode_init,
NULL, /* value_table */
};
feMergeNode_type = g_type_register_static(SP_TYPE_OBJECT, "SPFeMergeNode", &feMergeNode_info, (GTypeFlags)0);
}
return feMergeNode_type;
}
static void
sp_feMergeNode_class_init(SPFeMergeNodeClass *klass)
{
//GObjectClass *gobject_class = (GObjectClass *)klass;
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
feMergeNode_parent_class = (SPObjectClass*)g_type_class_peek_parent(klass);
sp_object_class->build = sp_feMergeNode_build;
sp_object_class->release = sp_feMergeNode_release;
sp_object_class->write = sp_feMergeNode_write;
sp_object_class->set = sp_feMergeNode_set;
sp_object_class->update = sp_feMergeNode_update;
}
static void
sp_feMergeNode_init(SPFeMergeNode *feMergeNode)
{
feMergeNode->input = NR::NR_FILTER_SLOT_NOT_SET;
}
/**
* Reads the Inkscape::XML::Node, and initializes SPFeMergeNode 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_feMergeNode_build(SPObject *object, SPDocument */*document*/, Inkscape::XML::Node */*repr*/)
{
sp_object_read_attr(object, "in");
}
/**
* Drops any allocated memory.
*/
static void
sp_feMergeNode_release(SPObject *object)
{
/* deal with our children and our selves here */
if (((SPObjectClass *) feMergeNode_parent_class)->release)
((SPObjectClass *) feMergeNode_parent_class)->release(object);
}
/**
* Sets a specific value in the SPFeMergeNode.
*/
static void
sp_feMergeNode_set(SPObject *object, unsigned int key, gchar const *value)
{
SPFeMergeNode *feMergeNode = SP_FEMERGENODE(object);
SPFeMerge *parent = SP_FEMERGE(object->parent);
if (key == SP_ATTR_IN) {
int input = sp_filter_primitive_read_in(parent, value);
if (input != feMergeNode->input) {
feMergeNode->input = input;
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
}
/* See if any parents need this value. */
if (((SPObjectClass *) feMergeNode_parent_class)->set) {
((SPObjectClass *) feMergeNode_parent_class)->set(object, key, value);
}
}
/**
* Receives update notifications.
*/
static void
sp_feMergeNode_update(SPObject *object, SPCtx *ctx, guint flags)
{
//SPFeMergeNode *feMergeNode = SP_FEMERGENODE(object);
if (flags & SP_OBJECT_MODIFIED_FLAG) {
object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
if (((SPObjectClass *) feMergeNode_parent_class)->update) {
((SPObjectClass *) feMergeNode_parent_class)->update(object, ctx, flags);
}
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
sp_feMergeNode_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
//SPFeMergeNode *feMergeNode = SP_FEMERGENODE(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(NULL); // FIXME
}
}
if (((SPObjectClass *) feMergeNode_parent_class)->write) {
((SPObjectClass *) feMergeNode_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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