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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 "colornode.h"
#include "module.h"
#include "context.h"
#include "builtin.h"
#include "printutils.h"
#include "visitor.h"
#include <sstream>
#include <assert.h>
#include <QColor>
class ColorModule : public AbstractModule
{
public:
ColorModule() { }
virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const;
};
using std::string;
AbstractNode *ColorModule::evaluate(const Context *ctx, const ModuleInstantiation *inst) const
{
ColorNode *node = new ColorNode(inst);
for (int i = 0; i < 4; i++) node->color[i] = -1;
QVector<QString> argnames;
QVector<Expression*> argexpr;
argnames = QVector<QString>() << "c" << "alpha";
Context c(ctx);
c.args(argnames, argexpr, inst->argnames, inst->argvalues);
Value v = c.lookup_variable("c");
if (v.type == Value::VECTOR) {
for (int i = 0; i < 4; i++)
node->color[i] = i < v.vec.size() ? v.vec[i]->num : 1.0;
} else if (v.type == Value::STRING) {
QString colorname = QString::fromStdString(v.text);
QColor color;
color.setNamedColor(colorname);
if (color.isValid()) {
node->color[0] = color.redF();
node->color[1] = color.greenF();
node->color[2] = color.blueF();
} else {
PRINTA_NOCACHE("WARNING: Color name \"%1\" unknown. Please see", colorname);
PRINTF_NOCACHE("WARNING: http://en.wikipedia.org/wiki/Web_colors");
}
}
Value alpha = c.lookup_variable("alpha");
if (alpha.type == Value::NUMBER) {
node->color[3] = alpha.num;
}
foreach (ModuleInstantiation *v, inst->children) {
AbstractNode *n = v->evaluate(inst->ctx);
if (n != NULL)
node->children.push_back(n);
}
return node;
}
string ColorNode::toString() const
{
std::stringstream stream;
stream << "color([" << this->color[0] << ", " << this->color[1] << ", " << this->color[2] << ", " << this->color[3] << "])";
return stream.str();
}
string ColorNode::name() const
{
return "color";
}
void register_builtin_color()
{
builtin_modules["color"] = new ColorModule();
}
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