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110 lines (100 loc) · 3.97 KB
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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 "core/ColorNode.h"
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/assign/std/vector.hpp>
#include <cctype>
#include <cstddef>
#include <memory>
#include <string>
#include <utility>
#include "core/Builtins.h"
#include "core/Children.h"
#include "core/ColorUtil.h"
#include "core/ModuleInstantiation.h"
#include "core/Parameters.h"
#include "core/module.h"
#include "geometry/linalg.h"
#include "utils/printutils.h"
using namespace boost::assign; // bring 'operator+=()' into scope
static std::shared_ptr<AbstractNode> builtin_color(const ModuleInstantiation *inst, Arguments arguments,
const Children& children)
{
auto node = std::make_shared<ColorNode>(inst);
Parameters parameters = Parameters::parse(std::move(arguments), inst->location(), {"c", "alpha"});
if (parameters["c"].type() == Value::Type::VECTOR) {
const auto& vec = parameters["c"].toVector();
Vector4f color;
for (size_t i = 0; i < 4; ++i) {
color[i] = i < vec.size() ? (float)vec[i].toDouble() : 1.0f;
if (color[i] > 1 || color[i] < 0) {
LOG(message_group::Warning, inst->location(), parameters.documentRoot(),
"color() expects numbers between 0.0 and 1.0. Value of %1$.1f is out of range", color[i]);
}
}
node->color = color;
} else if (parameters["c"].type() == Value::Type::STRING) {
auto colorname = parameters["c"].toString();
const auto parsed_color = OpenSCAD::parse_color(colorname);
if (parsed_color) {
node->color = *parsed_color;
} else {
LOG(message_group::Warning, inst->location(), parameters.documentRoot(),
"Unable to parse color \"%1$s\"", colorname);
LOG(message_group::HtmlLink,
"For a list of valid color names, see the <a href=\"open-window://colorlist\"><b>Color "
"List</b></a> window.");
}
}
if (parameters["alpha"].type() == Value::Type::NUMBER) {
node->color.setAlpha(parameters["alpha"].toDouble());
if (node->color.a() < 0.0f || node->color.a() > 1.0f) {
LOG(message_group::Warning, inst->location(), parameters.documentRoot(),
"color() expects alpha between 0.0 and 1.0. Value of %1$.1f is out of range", node->color.a());
}
}
return children.instantiate(node);
}
std::string ColorNode::toString() const
{
return STR("color([", this->color.r(), ", ", this->color.g(), ", ", this->color.b(), ", ",
this->color.a(), "])");
}
std::string ColorNode::name() const
{
return "color";
}
void register_builtin_color()
{
Builtins::init("color", new BuiltinModule(builtin_color),
{
"color(c = [r, g, b, a])",
"color(c = [r, g, b], alpha = 1.0)",
"color(\"#hexvalue\")",
"color(\"colorname\", 1.0)",
});
}