Added DXF export test

1 files changed, 182 insertions, 0 deletions

diff --git a/test-code/exportdxf.cc b/test-code/exportdxf.cc
new file mode 100644
index 0000000..97d6f49
--- /dev/null
+++ b/test-code/exportdxf.cc
@@ -0,0 +1,182 @@
+/*
+ *  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;
+}