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openscad/src/openscad.cc

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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 "openscad.h"
#include "MainWindow.h"
#include "node.h"
#include "module.h"
#include "context.h"
#include "value.h"
#include "export.h"
#include "builtin.h"
#include "nodedumper.h"
#include "printutils.h"
#include "handle_dep.h"
#include "parsersettings.h"
#include <string>
#include <vector>
#include <fstream>
#ifdef ENABLE_CGAL
#include "CGAL_Nef_polyhedron.h"
#include "CGALEvaluator.h"
#include "PolySetCGALEvaluator.h"
#endif
#include <QApplication>
#include <QDir>
#include <sstream>
#ifdef Q_WS_MAC
#include "EventFilter.h"
#include "AppleEvents.h"
#include "SparkleAutoUpdater.h"
#endif
#include <boost/program_options.hpp>
#include <boost/filesystem.hpp>
#include <boost/foreach.hpp>
#include "boosty.h"
#ifdef _MSC_VER
#define snprintf _snprintf
#endif
namespace po = boost::program_options;
namespace fs = boost::filesystem;
static void help(const char *progname)
{
fprintf(stderr, "Usage: %s [ -o output_file [ -d deps_file ] ]\\\n"
"%*s[ -m make_command ] [ -D var=val [..] ] filename\n",
progname, int(strlen(progname))+8, "");
exit(1);
}
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
static void version()
{
printf("OpenSCAD version %s\n", TOSTRING(OPENSCAD_VERSION));
exit(1);
}
std::string commandline_commands;
std::string currentdir;
QString examplesdir;
using std::string;
using std::vector;
int main(int argc, char **argv)
{
int rc = 0;
#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();
#ifdef Q_WS_X11
// see <http://qt.nokia.com/doc/4.5/qapplication.html#QApplication-2>:
// On X11, the window system is initialized if GUIenabled is true. If GUIenabled
// is false, the application does not connect to the X server. On Windows and
// Macintosh, currently the window system is always initialized, regardless of the
// value of GUIenabled. This may change in future versions of Qt.
bool useGUI = getenv("DISPLAY") != 0;
#else
bool useGUI = true;
#endif
QApplication app(argc, argv, useGUI);
#ifdef Q_WS_MAC
app.installEventFilter(new EventFilter(&app));
#endif
fs::path original_path = fs::current_path();
// set up groups for QSettings
QCoreApplication::setOrganizationName("OpenSCAD");
QCoreApplication::setOrganizationDomain("openscad.org");
QCoreApplication::setApplicationName("OpenSCAD");
QCoreApplication::setApplicationVersion(TOSTRING(OPENSCAD_VERSION));
const char *filename = NULL;
const char *output_file = NULL;
const char *deps_output_file = NULL;
po::options_description desc("Allowed options");
desc.add_options()
("help,h", "help message")
("version,v", "print the version")
("o,o", po::value<string>(), "out-file")
("s,s", po::value<string>(), "stl-file")
("x,x", po::value<string>(), "dxf-file")
("d,d", po::value<string>(), "deps-file")
("m,m", po::value<string>(), "makefile")
("D,D", po::value<vector<string> >(), "var=val");
po::options_description hidden("Hidden options");
hidden.add_options()
("input-file", po::value< vector<string> >(), "input file");
po::positional_options_description p;
p.add("input-file", -1);
po::options_description all_options;
all_options.add(desc).add(hidden);
po::variables_map vm;
try {
po::store(po::command_line_parser(argc, argv).options(all_options).positional(p).run(), vm);
}
catch(const std::exception &e) { // Catches e.g. unknown options
fprintf(stderr, "%s\n", e.what());
help(argv[0]);
}
if (vm.count("help")) help(argv[0]);
if (vm.count("version")) version();
if (vm.count("o")) {
// FIXME: Allow for multiple output files?
if (output_file) help(argv[0]);
output_file = vm["o"].as<string>().c_str();
}
if (vm.count("s")) {
fprintf(stderr, "DEPRECATED: The -s option is deprecated. Use -o instead.\n");
if (output_file) help(argv[0]);
output_file = vm["s"].as<string>().c_str();
}
if (vm.count("x")) {
fprintf(stderr, "DEPRECATED: The -x option is deprecated. Use -o instead.\n");
if (output_file) help(argv[0]);
output_file = vm["x"].as<string>().c_str();
}
if (vm.count("d")) {
if (deps_output_file)
help(argv[0]);
deps_output_file = vm["d"].as<string>().c_str();
}
if (vm.count("m")) {
if (make_command)
help(argv[0]);
make_command = vm["m"].as<string>().c_str();
}
if (vm.count("D")) {
BOOST_FOREACH(const string &cmd, vm["D"].as<vector<string> >()) {
commandline_commands += cmd;
commandline_commands += ";\n";
}
}
if (vm.count("input-file")) {
filename = vm["input-file"].as< vector<string> >().begin()->c_str();
}
#ifndef ENABLE_MDI
if (vm.count("input-file") > 1) {
help(argv[0]);
}
#endif
currentdir = boosty::stringy(fs::current_path());
QDir exdir(QApplication::instance()->applicationDirPath());
#ifdef Q_WS_MAC
exdir.cd("../Resources"); // Examples can be bundled
if (!exdir.exists("examples")) exdir.cd("../../..");
#elif defined(Q_OS_UNIX)
if (exdir.cd("../share/openscad/examples")) {
examplesdir = exdir.path();
} else
if (exdir.cd("../../share/openscad/examples")) {
examplesdir = exdir.path();
} else
if (exdir.cd("../../examples")) {
examplesdir = exdir.path();
} else
#endif
if (exdir.cd("examples")) {
examplesdir = exdir.path();
}
parser_init(QApplication::instance()->applicationDirPath().toStdString());
// Initialize global visitors
NodeCache nodecache;
NodeDumper dumper(nodecache);
Tree tree;
#ifdef ENABLE_CGAL
CGALEvaluator cgalevaluator(tree);
PolySetCGALEvaluator psevaluator(cgalevaluator);
#endif
if (output_file)
{
const char *stl_output_file = NULL;
const char *off_output_file = NULL;
const char *dxf_output_file = NULL;
const char *csg_output_file = NULL;
QString suffix = QFileInfo(output_file).suffix().toLower();
if (suffix == "stl") stl_output_file = output_file;
else if (suffix == "off") off_output_file = output_file;
else if (suffix == "dxf") dxf_output_file = output_file;
else if (suffix == "csg") csg_output_file = output_file;
else {
fprintf(stderr, "Unknown suffix for output file %s\n", output_file);
exit(1);
}
if (!filename) help(argv[0]);
Context root_ctx;
register_builtin(root_ctx);
Module *root_module;
ModuleInstantiation root_inst;
AbstractNode *root_node;
handle_dep(filename);
std::ifstream ifs(filename);
if (!ifs.is_open()) {
fprintf(stderr, "Can't open input file '%s'!\n", filename);
exit(1);
}
std::string text((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
text += "\n" + commandline_commands;
fs::path abspath = boosty::absolute(filename);
std::string parentpath = boosty::stringy(abspath.parent_path());
root_module = parse(text.c_str(), parentpath.c_str(), false);
if (!root_module) exit(1);
root_module->handleDependencies();
fs::path fpath = boosty::absolute(fs::path(filename));
fs::path fparent = fpath.parent_path();
fs::current_path(fparent);
AbstractNode::resetIndexCounter();
root_node = root_module->evaluate(&root_ctx, &root_inst);
tree.setRoot(root_node);
if (csg_output_file) {
fs::current_path(original_path);
std::ofstream fstream(csg_output_file);
if (!fstream.is_open()) {
PRINTB("Can't open file \"%s\" for export", csg_output_file);
}
else {
fs::current_path(fparent); // Force exported filenames to be relative to document path
fstream << tree.getString(*root_node) << "\n";
fstream.close();
}
}
else {
#ifdef ENABLE_CGAL
CGAL_Nef_polyhedron root_N = cgalevaluator.evaluateCGALMesh(*tree.root());
fs::current_path(original_path);
if (deps_output_file) {
std::string deps_out( deps_output_file );
std::string geom_out;
if ( stl_output_file ) geom_out = std::string(stl_output_file);
else if ( off_output_file ) geom_out = std::string(off_output_file);
else if ( dxf_output_file ) geom_out = std::string(dxf_output_file);
else {
PRINTB("Output file:%s\n",output_file);
PRINT("Sorry, don't know how to write deps for that file type. Exiting\n");
exit(1);
}
int result = write_deps( deps_out, geom_out );
if ( !result ) {
PRINT("error writing deps");
exit(1);
}
}
if (stl_output_file) {
if (root_N.dim != 3) {
fprintf(stderr, "Current top level object is not a 3D object.\n");
exit(1);
}
if (!root_N.p3->is_simple()) {
fprintf(stderr, "Object isn't a valid 2-manifold! Modify your design.\n");
exit(1);
}
std::ofstream fstream(stl_output_file);
if (!fstream.is_open()) {
PRINTB("Can't open file \"%s\" for export", stl_output_file);
}
else {
export_stl(&root_N, fstream);
fstream.close();
}
}
if (off_output_file) {
if (root_N.dim != 3) {
fprintf(stderr, "Current top level object is not a 3D object.\n");
exit(1);
}
if (!root_N.p3->is_simple()) {
fprintf(stderr, "Object isn't a valid 2-manifold! Modify your design.\n");
exit(1);
}
std::ofstream fstream(off_output_file);
if (!fstream.is_open()) {
PRINTB("Can't open file \"%s\" for export", off_output_file);
}
else {
export_off(&root_N, fstream);
fstream.close();
}
}
if (dxf_output_file) {
if (root_N.dim != 2) {
fprintf(stderr, "Current top level object is not a 2D object.\n");
exit(1);
}
std::ofstream fstream(dxf_output_file);
if (!fstream.is_open()) {
PRINTB("Can't open file \"%s\" for export", dxf_output_file);
}
else {
export_dxf(&root_N, fstream);
fstream.close();
}
}
#else
fprintf(stderr, "OpenSCAD has been compiled without CGAL support!\n");
exit(1);
#endif
}
delete root_node;
}
else if (useGUI)
{
#ifdef Q_WS_MAC
installAppleEventHandlers();
#endif
#ifndef DEBUG
#ifdef Q_WS_MAC
AutoUpdater *updater = new SparkleAutoUpdater;
AutoUpdater::setUpdater(updater);
if (updater->automaticallyChecksForUpdates()) updater->checkForUpdates();
#endif
#endif
QString qfilename;
if (filename) qfilename = QString::fromStdString(boosty::stringy(boosty::absolute(filename)));
#if 0 /*** disabled by clifford wolf: adds rendering artefacts with OpenCSG ***/
// turn on anti-aliasing
QGLFormat f;
f.setSampleBuffers(true);
f.setSamples(4);
QGLFormat::setDefaultFormat(f);
#endif
#ifdef ENABLE_MDI
new MainWindow(qfilename);
vector<string> inputFiles;
if (vm.count("input-file")) {
inputFiles = vm["input-file"].as<vector<string> >();
for (vector<string>::const_iterator infile = inputFiles.begin()+1; infile != inputFiles.end(); infile++) {
new MainWindow(QString::fromStdString(boosty::stringy((original_path / *infile))));
}
}
app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));
#else
MainWindow *m = new MainWindow(qfilename);
app.connect(m, SIGNAL(destroyed()), &app, SLOT(quit()));
#endif
rc = app.exec();
}
else
{
fprintf(stderr, "Requested GUI mode but can't open display!\n");
exit(1);
}
Builtins::instance(true);
return rc;
}
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