mirror of https://github.com/vitalif/openscad
114 lines
3.6 KiB
C++
114 lines
3.6 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 "colornode.h"
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#include "module.h"
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#include "evalcontext.h"
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#include "builtin.h"
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#include "printutils.h"
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#include <sstream>
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#include <assert.h>
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#include <boost/algorithm/string/case_conv.hpp>
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#include <boost/assign/std/vector.hpp>
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#include <boost/assign/list_of.hpp>
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using namespace boost::assign; // bring 'operator+=()' into scope
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class ColorModule : public AbstractModule
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{
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public:
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ColorModule() { }
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virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const;
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private:
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static boost::unordered_map<std::string, Color4f> colormap;
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};
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#include "colormap.h"
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AbstractNode *ColorModule::instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const
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{
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ColorNode *node = new ColorNode(inst);
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node->color[0] = node->color[1] = node->color[2] = -1.0;
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node->color[3] = 1.0;
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AssignmentList args;
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args += Assignment("c", NULL), Assignment("alpha", NULL);
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Context c(ctx);
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c.setVariables(args, evalctx);
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Value v = c.lookup_variable("c");
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if (v.type() == Value::VECTOR) {
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for (size_t i = 0; i < 4; i++) {
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node->color[i] = i < v.toVector().size() ? v.toVector()[i].toDouble() : 1.0;
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if (node->color[i] > 1)
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PRINTB_NOCACHE("WARNING: color() expects numbers between 0.0 and 1.0. Value of %.1f is too large.", node->color[i]);
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}
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} else if (v.type() == Value::STRING) {
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std::string colorname = v.toString();
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boost::algorithm::to_lower(colorname);
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Color4f color;
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if (colormap.find(colorname) != colormap.end()) {
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color = colormap[colorname];
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node->color[0] = color[0];
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node->color[1] = color[1];
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node->color[2] = color[2];
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} else {
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PRINTB_NOCACHE("WARNING: Color name \"%s\" unknown. Please see", colorname);
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PRINT_NOCACHE("WARNING: http://en.wikipedia.org/wiki/Web_colors");
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}
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}
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Value alpha = c.lookup_variable("alpha");
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if (alpha.type() == Value::NUMBER) {
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node->color[3] = alpha.toDouble();
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}
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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 ColorNode::toString() const
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{
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std::stringstream stream;
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stream << "color([" << this->color[0] << ", " << this->color[1] << ", " << this->color[2] << ", " << this->color[3] << "])";
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return stream.str();
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}
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std::string ColorNode::name() const
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{
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return "color";
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}
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void register_builtin_color()
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{
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Builtins::init("color", new ColorModule());
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}
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