mirror of https://github.com/vitalif/openscad
86 lines
2.7 KiB
C++
86 lines
2.7 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 "projectionnode.h"
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#include "module.h"
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#include "evalcontext.h"
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#include "printutils.h"
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#include "builtin.h"
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#include "visitor.h"
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#include "polyset.h"
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#include <assert.h>
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#include <sstream>
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#include <boost/assign/std/vector.hpp>
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using namespace boost::assign; // bring 'operator+=()' into scope
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class ProjectionModule : public AbstractModule
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{
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public:
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ProjectionModule() { }
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virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, EvalContext *evalctx) const;
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};
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AbstractNode *ProjectionModule::instantiate(const Context *ctx, const ModuleInstantiation *inst, EvalContext *evalctx) const
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{
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ProjectionNode *node = new ProjectionNode(inst);
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AssignmentList args;
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args += Assignment("cut");
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Context c(ctx);
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c.setVariables(args, evalctx);
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inst->scope.apply(*evalctx);
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ValuePtr convexity = c.lookup_variable("convexity", true);
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ValuePtr cut = c.lookup_variable("cut", true);
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node->convexity = (int)convexity->toDouble();
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if (cut->type() == Value::BOOL)
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node->cut_mode = cut->toBool();
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std::vector<AbstractNode *> instantiatednodes = inst->instantiateChildren(evalctx);
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node->children.insert(node->children.end(), instantiatednodes.begin(), instantiatednodes.end());
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return node;
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}
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std::string ProjectionNode::toString() const
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{
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std::stringstream stream;
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stream << "projection(cut = " << (this->cut_mode ? "true" : "false")
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<< ", convexity = " << this->convexity << ")";
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return stream.str();
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}
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void register_builtin_projection()
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{
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Builtins::init("projection", new ProjectionModule());
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}
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