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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* @gradient meshpatch class.
*/
/* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* bulia byak
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
* Jon A. Cruz <jon@joncruz.org>
* Tavmjong Bah <tavjong@free.fr>
*
* Copyright (C) 1999,2005 authors
* Copyright (C) 2010 Jon A. Cruz
* Copyright (C) 2012 Tavmjong Bah
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "sp-mesh-patch.h"
#include "style.h"
#include "attributes.h"
SPMeshpatch* SPMeshpatch::getNextMeshpatch()
{
SPMeshpatch *result = nullptr;
for (SPObject* obj = getNext(); obj && !result; obj = obj->getNext()) {
if (SP_IS_MESHPATCH(obj)) {
result = SP_MESHPATCH(obj);
}
}
return result;
}
SPMeshpatch* SPMeshpatch::getPrevMeshpatch()
{
SPMeshpatch *result = nullptr;
for (SPObject* obj = getPrev(); obj; obj = obj->getPrev()) {
// The closest previous SPObject that is an SPMeshpatch *should* be ourself.
if (SP_IS_MESHPATCH(obj)) {
SPMeshpatch* meshpatch = SP_MESHPATCH(obj);
// Sanity check to ensure we have a proper sibling structure.
if (meshpatch->getNextMeshpatch() == this) {
result = meshpatch;
} else {
g_warning("SPMeshpatch previous/next relationship broken");
}
break;
}
}
return result;
}
/*
* Mesh Patch
*/
SPMeshpatch::SPMeshpatch() : SPObject() {
this->tensor_string = nullptr;
}
SPMeshpatch::~SPMeshpatch() = default;
void SPMeshpatch::build(SPDocument* doc, Inkscape::XML::Node* repr) {
SPObject::build(doc, repr);
this->readAttr(SPAttr::TENSOR);
}
/**
* Virtual build: set meshpatch attributes from its associated XML node.
*/
void SPMeshpatch::set(SPAttr key, const gchar* value) {
switch (key) {
case SPAttr::TENSOR: {
if (value) {
this->tensor_string = new Glib::ustring( value );
// std::cout << "sp_meshpatch_set: Tensor string: " << patch->tensor_string->c_str() << std::endl;
}
break;
}
default: {
// Do nothing
}
}
}
/**
* modified
*/
void SPMeshpatch::modified(unsigned int flags) {
flags &= SP_OBJECT_MODIFIED_CASCADE;
std::vector<SPObject *> l;
for (auto& child: children) {
sp_object_ref(&child);
l.push_back(&child);
}
for (auto child:l) {
if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) {
child->emitModified(flags);
}
sp_object_unref(child);
}
}
/**
* Virtual set: set attribute to value.
*/
Inkscape::XML::Node* SPMeshpatch::write(Inkscape::XML::Document* xml_doc, Inkscape::XML::Node* repr, guint flags) {
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
repr = xml_doc->createElement("svg:meshpatch");
}
SPObject::write(xml_doc, repr, flags);
return repr;
}
/**
* Virtual write: write object attributes to 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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