mirror of https://github.com/vitalif/openscad
184 lines
4.8 KiB
C++
184 lines
4.8 KiB
C++
/*
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* OpenSCAD (www.openscad.org)
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* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
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* Marius Kintel <marius@kintel.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* As a special exception, you have permission to link this program
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* with the CGAL library and distribute executables, as long as you
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* follow the requirements of the GNU GPL in regard to all of the
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* software in the executable aside from CGAL.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "tests-common.h"
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#include "openscad.h"
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#include "parsersettings.h"
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#include "node.h"
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#include "module.h"
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#include "polyset.h"
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#include "context.h"
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#include "value.h"
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#include "export.h"
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#include "builtin.h"
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#include "Tree.h"
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#include "CGAL_Nef_polyhedron.h"
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#include "CGALEvaluator.h"
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#include "PolySetCGALEvaluator.h"
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#include "CGALRenderer.h"
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#include "CGAL_renderer.h"
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#include "cgal.h"
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#include "OffscreenView.h"
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#include <QCoreApplication>
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#ifndef _MSC_VER
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#include <getopt.h>
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#endif
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#include <iostream>
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#include <assert.h>
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#include <sstream>
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#include <boost/filesystem.hpp>
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namespace fs = boost::filesystem;
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#include "boosty.h"
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std::string commandline_commands;
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std::string currentdir;
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QString examplesdir;
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using std::string;
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void cgalTree(Tree &tree)
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{
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assert(tree.root());
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CGALEvaluator evaluator(tree);
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Traverser evaluate(evaluator, *tree.root(), Traverser::PRE_AND_POSTFIX);
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evaluate.execute();
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}
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AbstractNode *find_root_tag(AbstractNode *n)
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{
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foreach(AbstractNode *v, n->children) {
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if (v->modinst->tag_root) return v;
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if (AbstractNode *vroot = find_root_tag(v)) return vroot;
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}
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return NULL;
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}
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struct CsgInfo
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{
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OffscreenView *glview;
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};
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extern Vector3d getBoundingCenter(BoundingBox bbox);
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extern double getBoundingRadius(BoundingBox bbox);
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int main(int argc, char **argv)
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{
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if (argc != 3) {
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fprintf(stderr, "Usage: %s <file.scad> <output.png>\n", argv[0]);
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exit(1);
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}
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const char *filename = argv[1];
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const char *outfile = argv[2];
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#ifdef ENABLE_CGAL
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// Causes CGAL errors to abort directly instead of throwing exceptions
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// (which we don't catch). This gives us stack traces without rerunning in gdb.
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CGAL::set_error_behaviour(CGAL::ABORT);
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#endif
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Builtins::instance()->initialize();
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QCoreApplication app(argc, argv);
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fs::path original_path = fs::current_path();
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currentdir = boosty::stringy( fs::current_path() );
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parser_init(QCoreApplication::instance()->applicationDirPath().toStdString());
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Context root_ctx;
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register_builtin(root_ctx);
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AbstractModule *root_module;
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ModuleInstantiation root_inst;
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root_module = parsefile(filename);
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if (!root_module) {
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exit(1);
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}
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fs::current_path(fs::path(filename).parent_path());
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AbstractNode::resetIndexCounter();
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AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
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AbstractNode *root_node;
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// Do we have an explicit root node (! modifier)?
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if (!(root_node = find_root_tag(absolute_root_node))) root_node = absolute_root_node;
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Tree tree(root_node);
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CsgInfo csgInfo;
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CGALEvaluator cgalevaluator(tree);
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PolySetCGALEvaluator psevaluator(cgalevaluator);
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CGAL_Nef_polyhedron N = cgalevaluator.evaluateCGALMesh(*root_node);
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current_path(original_path);
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// match with csgtest ends
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try {
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csgInfo.glview = new OffscreenView(512,512);
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} catch (int error) {
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fprintf(stderr,"Can't create OpenGL OffscreenView. Code: %i. Exiting.\n", error);
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exit(1);
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}
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CGALRenderer cgalRenderer(N);
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BoundingBox bbox;
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if (cgalRenderer.polyhedron) {
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CGAL::Bbox_3 cgalbbox = cgalRenderer.polyhedron->bbox();
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bbox = BoundingBox(Vector3d(cgalbbox.xmin(), cgalbbox.ymin(), cgalbbox.zmin()),
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Vector3d(cgalbbox.xmax(), cgalbbox.ymax(), cgalbbox.zmax()));
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}
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else if (cgalRenderer.polyset) {
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bbox = cgalRenderer.polyset->getBoundingBox();
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}
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Vector3d center = getBoundingCenter(bbox);
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double radius = getBoundingRadius(bbox);
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Vector3d cameradir(1, 1, -0.5);
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Vector3d camerapos = center - radius*2*cameradir;
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csgInfo.glview->setCamera(camerapos, center);
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csgInfo.glview->setRenderer(&cgalRenderer);
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csgInfo.glview->paintGL();
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csgInfo.glview->save(outfile);
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delete root_node;
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delete root_module;
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Builtins::instance(true);
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return 0;
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}
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