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/*
* OpenSCAD (www.openscad.at)
* Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* As a special exception, you have permission to link this program
* with the CGAL library and distribute executables, as long as you
* follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from CGAL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "printutils.h"
#include "node.h"
#include "module.h"
#include "csgterm.h"
#include "progress.h"
#include "polyset.h"
#include "visitor.h"
#include "nodedumper.h"
#include <QRegExp>
#include <sstream>
int AbstractNode::idx_counter;
AbstractNode::AbstractNode(const ModuleInstantiation *mi)
{
modinst = mi;
idx = idx_counter++;
}
AbstractNode::~AbstractNode()
{
foreach (AbstractNode *v, children)
delete v;
}
Response AbstractNode::accept(const class State &state, Visitor &visitor) const
{
return visitor.visit(state, *this);
}
Response AbstractIntersectionNode::accept(const class State &state, Visitor &visitor) const
{
return visitor.visit(state, *this);
}
Response AbstractPolyNode::accept(const class State &state, Visitor &visitor) const
{
return visitor.visit(state, *this);
}
#ifndef REMOVE_DUMP
QString AbstractNode::dump(QString indent) const
{
if (dump_cache.isEmpty()) {
QString text = indent + QString("n%1: group() {\n").arg(idx);
foreach (AbstractNode *v, children)
text += v->dump(indent + QString("\t"));
((AbstractNode*)this)->dump_cache = text + indent + "}\n";
}
return dump_cache;
}
#else
// Temporarily offer a top-level dump function to keep existing code running
QString AbstractNode::dump() const
{
NodeDumper dumper;
Traverser trav(dumper, *this, Traverser::PRE_AND_POSTFIX);
trav.execute();
return QString::fromStdString(dumper.getDump() + "\n");
}
#endif
std::string AbstractNode::toString() const
{
std::stringstream stream;
stream << "n" << this->index() << ": group()";
return stream.str();
}
#ifndef REMOVE_DUMP
QString AbstractIntersectionNode::dump(QString indent) const
{
if (dump_cache.isEmpty()) {
QString text = indent + QString::fromStdString(this->toString()) + " {\n";
foreach (AbstractNode *v, children)
text += v->dump(indent + QString("\t"));
((AbstractNode*)this)->dump_cache = text + indent + "}\n";
}
return dump_cache;
}
#endif
std::string AbstractIntersectionNode::toString() const
{
std::stringstream stream;
stream << "n" << this->index() << ": intersection()";
return stream.str();
}
void AbstractNode::progress_prepare()
{
foreach (AbstractNode *v, children)
v->progress_prepare();
this->progress_mark = ++progress_report_count;
}
void AbstractNode::progress_report() const
{
progress_update(this, this->progress_mark);
}
static CSGTerm *render_csg_term_backend(const AbstractNode *that, bool intersect, double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background)
{
CSGTerm *t1 = NULL;
foreach(AbstractNode *v, that->children) {
CSGTerm *t2 = v->render_csg_term(m, highlights, background);
if (t2 && !t1) {
t1 = t2;
} else if (t2 && t1) {
if (intersect)
t1 = new CSGTerm(CSGTerm::TYPE_INTERSECTION, t1, t2);
else
t1 = new CSGTerm(CSGTerm::TYPE_UNION, t1, t2);
}
}
if (t1 && that->modinst->tag_highlight && highlights)
highlights->append(t1->link());
if (t1 && that->modinst->tag_background && background) {
background->append(t1);
return NULL;
}
return t1;
}
CSGTerm *AbstractNode::render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const
{
return render_csg_term_backend(this, false, m, highlights, background);
}
CSGTerm *AbstractIntersectionNode::render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const
{
return render_csg_term_backend(this, true, m, highlights, background);
}
CSGTerm *AbstractPolyNode::render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const
{
PolySet *ps = render_polyset(RENDER_OPENCSG);
return render_csg_term_from_ps(m, highlights, background, ps, modinst, idx);
}
CSGTerm *AbstractPolyNode::render_csg_term_from_ps(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background, PolySet *ps, const ModuleInstantiation *modinst, int idx)
{
CSGTerm *t = new CSGTerm(ps, m, QString("n%1").arg(idx));
if (modinst->tag_highlight && highlights)
highlights->append(t->link());
if (modinst->tag_background && background) {
background->append(t);
return NULL;
}
return t;
}
std::ostream &operator<<(std::ostream &stream, const QString &str)
{
stream << str.toStdString();
return stream;
}
std::ostream &operator<<(std::ostream &stream, const AbstractNode &node)
{
stream << node.toString();
return stream;
}
QString AbstractNode::mk_cache_id() const
{
QString cache_id = dump();
cache_id.remove(QRegExp("[a-zA-Z_][a-zA-Z_0-9]*:"));
cache_id.remove(' ');
cache_id.remove('\t');
cache_id.remove('\n');
return cache_id;
}
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