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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 "myqhash.h"
#include "openscad.h"
#include "node.h"
#include "module.h"
#include "context.h"
#include "value.h"
#include "export.h"
#include "builtin.h"
#include "Tree.h"
#include "CGALRenderer.h"
#include "PolySetCGALRenderer.h"
#include <QApplication>
#include <QFile>
#include <QDir>
#include <QSet>
#include <QTextStream>
#include <getopt.h>
#include <iostream>
QString commandline_commands;
const char *make_command = NULL;
QSet<QString> dependencies;
QString currentdir;
QString examplesdir;
QString librarydir;
using std::string;
void handle_dep(QString filename)
{
if (filename.startsWith("/"))
dependencies.insert(filename);
else
dependencies.insert(QDir::currentPath() + QString("/") + filename);
if (!QFile(filename).exists() && make_command) {
char buffer[4096];
snprintf(buffer, 4096, "%s '%s'", make_command, filename.replace("'", "'\\''").toUtf8().data());
system(buffer); // FIXME: Handle error
}
}
// FIXME: enforce some maximum cache size (old version had 100K vertices as limit)
QHash<std::string, CGAL_Nef_polyhedron> cache;
void cgalTree(Tree &tree)
{
assert(tree.root());
CGALRenderer renderer(cache, tree);
Traverser render(renderer, *tree.root(), Traverser::PRE_AND_POSTFIX);
render.execute();
}
int main(int argc, char **argv)
{
if (argc != 2) {
fprintf(stderr, "Usage: %s <file.scad>\n", argv[0]);
exit(1);
}
const char *filename = argv[1];
int rc = 0;
initialize_builtin_functions();
initialize_builtin_modules();
QApplication app(argc, argv, false);
QDir original_path = QDir::current();
currentdir = QDir::currentPath();
QDir libdir(QApplication::instance()->applicationDirPath());
#ifdef Q_WS_MAC
libdir.cd("../Resources"); // Libraries can be bundled
if (!libdir.exists("libraries")) libdir.cd("../../..");
#elif defined(Q_OS_UNIX)
if (libdir.cd("../share/openscad/libraries")) {
librarydir = libdir.path();
} else
if (libdir.cd("../../share/openscad/libraries")) {
librarydir = libdir.path();
} else
if (libdir.cd("../../libraries")) {
librarydir = libdir.path();
} else
#endif
if (libdir.cd("libraries")) {
librarydir = libdir.path();
}
Context root_ctx;
root_ctx.functions_p = &builtin_functions;
root_ctx.modules_p = &builtin_modules;
root_ctx.set_variable("$fn", Value(0.0));
root_ctx.set_variable("$fs", Value(1.0));
root_ctx.set_variable("$fa", Value(12.0));
root_ctx.set_variable("$t", Value(0.0));
Value zero3;
zero3.type = Value::VECTOR;
zero3.vec.append(new Value(0.0));
zero3.vec.append(new Value(0.0));
zero3.vec.append(new Value(0.0));
root_ctx.set_variable("$vpt", zero3);
root_ctx.set_variable("$vpr", zero3);
AbstractModule *root_module;
ModuleInstantiation root_inst;
AbstractNode *root_node;
QFileInfo fileInfo(filename);
handle_dep(filename);
FILE *fp = fopen(filename, "rt");
if (!fp) {
fprintf(stderr, "Can't open input file `%s'!\n", filename);
exit(1);
} else {
QString text;
char buffer[513];
int ret;
while ((ret = fread(buffer, 1, 512, fp)) > 0) {
buffer[ret] = 0;
text += buffer;
}
fclose(fp);
root_module = parse((text+commandline_commands).toAscii().data(), fileInfo.absolutePath().toLocal8Bit(), false);
if (!root_module) {
exit(1);
}
}
QDir::setCurrent(fileInfo.absolutePath());
AbstractNode::resetIndexCounter();
root_node = root_module->evaluate(&root_ctx, &root_inst);
Tree tree;
tree.setRoot(root_node);
cgalTree(tree);
CGAL_Nef_polyhedron N = cache[tree.getString(*root_node)];
QDir::setCurrent(original_path.absolutePath());
QTextStream outstream(stdout);
export_dxf(&N, outstream, NULL);
PolySetRenderer::setRenderer(NULL);
destroy_builtin_functions();
destroy_builtin_modules();
return rc;
}
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