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Diffstat (limited to 'difference.cc')
| -rw-r--r-- | difference.cc | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/difference.cc b/difference.cc new file mode 100644 index 0000000..beeea20 --- /dev/null +++ b/difference.cc @@ -0,0 +1,71 @@ +/* + * 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. + * + * 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 + * + */ + +#define INCLUDE_ABSTRACT_NODE_DETAILS + +#include "openscad.h" + +class DifferenceModule : public AbstractModule +{ +public: + virtual AbstractNode *evaluate(const Context *ctx, const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues, const QVector<AbstractNode*> child_nodes) const; +}; + +class DifferenceNode : public AbstractNode +{ +public: + virtual CGAL_Nef_polyhedron render_cgal_nef_polyhedron() const; + virtual QString dump(QString indent) const; +}; + +AbstractNode *DifferenceModule::evaluate(const Context*, const QVector<QString>&, const QVector<Value>&, const QVector<AbstractNode*> child_nodes) const +{ + DifferenceNode *node = new DifferenceNode(); + foreach (AbstractNode *v, child_nodes) + node->children.append(v); + return node; +} + +CGAL_Nef_polyhedron DifferenceNode::render_cgal_nef_polyhedron() const +{ + bool first = true; + CGAL_Nef_polyhedron N; + foreach (AbstractNode *v, children) { + if (first) + N = v->render_cgal_nef_polyhedron(); + else + N -= v->render_cgal_nef_polyhedron(); + } + return N; +} + +QString DifferenceNode::dump(QString indent) const +{ + QString text = indent + "difference() {\n"; + foreach (AbstractNode *v, children) + text += v->dump(indent + QString("\t")); + return text + indent + "}\n"; +} + +void register_builtin_difference() +{ + builtin_modules["difference"] = new DifferenceModule(); +} + |