openscad/src/rotateextrude.cc

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/*
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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 "rotateextrudenode.h"
#include "module.h"
#include "evalcontext.h"
#include "printutils.h"
#include "fileutils.h"
#include "builtin.h"
#include "polyset.h"
#include "visitor.h"
#include <sstream>
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#include <boost/assign/std/vector.hpp>
using namespace boost::assign; // bring 'operator+=()' into scope
#include <boost/filesystem.hpp>
namespace fs = boost::filesystem;
class RotateExtrudeModule : public AbstractModule
{
public:
RotateExtrudeModule() { }
virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, EvalContext *evalctx) const;
};
AbstractNode *RotateExtrudeModule::instantiate(const Context *ctx, const ModuleInstantiation *inst, EvalContext *evalctx) const
{
RotateExtrudeNode *node = new RotateExtrudeNode(inst);
AssignmentList args;
args += Assignment("file"), Assignment("layer"), Assignment("origin"), Assignment("scale");
Context c(ctx);
c.setVariables(args, evalctx);
inst->scope.apply(*evalctx);
node->fn = c.lookup_variable("$fn")->toDouble();
node->fs = c.lookup_variable("$fs")->toDouble();
node->fa = c.lookup_variable("$fa")->toDouble();
ValuePtr file = c.lookup_variable("file");
ValuePtr layer = c.lookup_variable("layer", true);
ValuePtr convexity = c.lookup_variable("convexity", true);
ValuePtr origin = c.lookup_variable("origin", true);
ValuePtr scale = c.lookup_variable("scale", true);
if (!file->isUndefined()) {
printDeprecation("Support for reading files in rotate_extrude will be removed in future releases. Use a child import() instead.");
node->filename = lookup_file(file->toString(), inst->path(), c.documentPath());
}
node->layername = layer->isUndefined() ? "" : layer->toString();
node->convexity = (int)convexity->toDouble();
origin->getVec2(node->origin_x, node->origin_y);
node->scale = scale->toDouble();
if (node->convexity <= 0)
node->convexity = 2;
if (node->scale <= 0)
node->scale = 1;
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if (node->filename.empty()) {
std::vector<AbstractNode *> instantiatednodes = inst->instantiateChildren(evalctx);
node->children.insert(node->children.end(), instantiatednodes.begin(), instantiatednodes.end());
}
return node;
}
std::string RotateExtrudeNode::toString() const
{
std::stringstream stream;
stream << this->name() << "(";
if (!this->filename.empty()) { // Ignore deprecated parameters if empty
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fs::path path((std::string)this->filename);
stream <<
"file = " << this->filename << ", "
"layer = " << QuotedString(this->layername) << ", "
"origin = [" << std::dec << this->origin_x << ", " << this->origin_y << "], "
"scale = " << this->scale << ", "
#ifndef OPENSCAD_TESTING
// timestamp is needed for caching, but disturbs the test framework
<< "timestamp = " << (fs::exists(path) ? fs::last_write_time(path) : 0) << ", "
#endif
;
}
stream <<
"convexity = " << this->convexity << ", "
"$fn = " << this->fn << ", $fa = " << this->fa << ", $fs = " << this->fs << ")";
return stream.str();
}
void register_builtin_dxf_rotate_extrude()
{
Builtins::init("dxf_rotate_extrude", new RotateExtrudeModule());
Builtins::init("rotate_extrude", new RotateExtrudeModule());
}