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/*
* OpenSCAD (www.openscad.org)
* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
* Marius Kintel <marius@kintel.net>
*
* 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 "tests-common.h"
#include "openscad.h"
#include "parsersettings.h"
#include "node.h"
#include "module.h"
#include "polyset.h"
#include "context.h"
#include "value.h"
#include "export.h"
#include "builtin.h"
#include "Tree.h"
#include "CGAL_Nef_polyhedron.h"
#include "CGALEvaluator.h"
#include "PolySetCGALEvaluator.h"
#include "CGALRenderer.h"
#include "CGAL_renderer.h"
#include "cgal.h"
#include "OffscreenView.h"
#include <QCoreApplication>
#ifndef _MSC_VER
#include <getopt.h>
#endif
#include <iostream>
#include <assert.h>
#include <sstream>
#include <boost/filesystem.hpp>
namespace fs = boost::filesystem;
#include "boosty.h"
std::string commandline_commands;
std::string currentdir;
QString examplesdir;
using std::string;
void cgalTree(Tree &tree)
{
assert(tree.root());
CGALEvaluator evaluator(tree);
Traverser evaluate(evaluator, *tree.root(), Traverser::PRE_AND_POSTFIX);
evaluate.execute();
}
/*AbstractNode *find_root_tag(AbstractNode *n)
{
foreach(AbstractNode *v, n->children) {
if (v->modinst->tag_root) return v;
if (AbstractNode *vroot = find_root_tag(v)) return vroot;
}
return NULL;
}*/
struct CsgInfo
{
OffscreenView *glview;
};
extern Vector3d getBoundingCenter(BoundingBox bbox);
extern double getBoundingRadius(BoundingBox bbox);
int main(int argc, char **argv)
{
if (argc != 3) {
fprintf(stderr, "Usage: %s <file.scad> <output.png>\n", argv[0]);
exit(1);
}
const char *filename = argv[1];
const char *outfile = argv[2];
#ifdef ENABLE_CGAL
// Causes CGAL errors to abort directly instead of throwing exceptions
// (which we don't catch). This gives us stack traces without rerunning in gdb.
CGAL::set_error_behaviour(CGAL::ABORT);
#endif
Builtins::instance()->initialize();
QCoreApplication app(argc, argv);
fs::path original_path = fs::current_path();
currentdir = boosty::stringy( fs::current_path() );
parser_init(QCoreApplication::instance()->applicationDirPath().toStdString());
add_librarydir(boosty::stringy(fs::path(QCoreApplication::instance()->applicationDirPath().toStdString()) / "../libraries"));
Context root_ctx;
register_builtin(root_ctx);
AbstractModule *root_module;
ModuleInstantiation root_inst;
root_module = parsefile(filename);
if (!root_module) {
exit(1);
}
if (fs::path(filename).has_parent_path()) {
fs::current_path(fs::path(filename).parent_path());
}
AbstractNode::resetIndexCounter();
AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
AbstractNode *root_node;
// Do we have an explicit root node (! modifier)?
if (!(root_node = find_root_tag(absolute_root_node))) root_node = absolute_root_node;
Tree tree(root_node);
CsgInfo csgInfo;
CGALEvaluator cgalevaluator(tree);
PolySetCGALEvaluator psevaluator(cgalevaluator);
CGAL_Nef_polyhedron N = cgalevaluator.evaluateCGALMesh(*root_node);
current_path(original_path);
// match with csgtest ends
try {
csgInfo.glview = new OffscreenView(512,512);
} catch (int error) {
fprintf(stderr,"Can't create OpenGL OffscreenView. Code: %i. Exiting.\n", error);
exit(1);
}
CGALRenderer cgalRenderer(N);
BoundingBox bbox;
if (cgalRenderer.polyhedron) {
CGAL::Bbox_3 cgalbbox = cgalRenderer.polyhedron->bbox();
bbox = BoundingBox(Vector3d(cgalbbox.xmin(), cgalbbox.ymin(), cgalbbox.zmin()),
Vector3d(cgalbbox.xmax(), cgalbbox.ymax(), cgalbbox.zmax()));
}
else if (cgalRenderer.polyset) {
bbox = cgalRenderer.polyset->getBoundingBox();
}
Vector3d center = getBoundingCenter(bbox);
double radius = getBoundingRadius(bbox);
Vector3d cameradir(1, 1, -0.5);
Vector3d camerapos = center - radius*2*cameradir;
csgInfo.glview->setCamera(camerapos, center);
csgInfo.glview->setRenderer(&cgalRenderer);
csgInfo.glview->paintGL();
csgInfo.glview->save(outfile);
delete root_node;
delete root_module;
Builtins::instance(true);
return 0;
}
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