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// SPDX-License-Identifier: GPL-2.0-or-later
/** \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>
* Abhishek Sharma
*
* Copyright (C) 2004,2007 authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "mergenode.h"
#include "merge.h"
#include "attributes.h"
#include "display/nr-filter-types.h"
#include "xml/repr.h"
SPFeMergeNode::SPFeMergeNode()
: SPObject(), input(Inkscape::Filters::NR_FILTER_SLOT_NOT_SET) {
}
SPFeMergeNode::~SPFeMergeNode() = default;
/**
* 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.
*/
void SPFeMergeNode::build(SPDocument */*document*/, Inkscape::XML::Node */*repr*/) {
this->readAttr(SPAttr::IN_);
}
/**
* Drops any allocated memory.
*/
void SPFeMergeNode::release() {
SPObject::release();
}
/**
* Sets a specific value in the SPFeMergeNode.
*/
void SPFeMergeNode::set(SPAttr key, gchar const *value) {
SPFeMerge *parent = SP_FEMERGE(this->parent);
if (key == SPAttr::IN_) {
int input = parent->read_in(value);
if (input != this->input) {
this->input = input;
this->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
}
/* See if any parents need this value. */
SPObject::set(key, value);
}
/**
* Receives update notifications.
*/
void SPFeMergeNode::update(SPCtx *ctx, guint flags) {
if (flags & SP_OBJECT_MODIFIED_FLAG) {
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
SPObject::update(ctx, flags);
}
/**
* Writes its settings to an incoming repr object, if any.
*/
Inkscape::XML::Node* SPFeMergeNode::write(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags) {
// Inkscape-only this, not copied during an "plain SVG" dump:
if (flags & SP_OBJECT_WRITE_EXT) {
if (repr) {
// is this sane?
//repr->mergeFrom(object->getRepr(), "id");
} else {
repr = this->getRepr()->duplicate(doc);
}
}
SPObject::write(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:fileencoding=utf-8:textwidth=99 :
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