/usr/include/liblas/color.hpp is in liblas-dev 1.7.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id$
*
* Project: libLAS - http://liblas.org - A BSD library for LAS format data.
* Purpose: LAS color class
* Author: Howard Butler, hobu.inc@gmail.com
*
******************************************************************************
* Copyright (c) 2008, Howard Butler
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must rede following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the Martin Isenburg or Iowa Department
* of Natural Resources nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#ifndef LIBLAS_LASCOLOR_HPP_INCLUDED
#define LIBLAS_LASCOLOR_HPP_INCLUDED
#include <liblas/export.hpp>
// boost
#include <boost/array.hpp>
#include <boost/cstdint.hpp>
// std
#include <cstdlib> // std::size_t
namespace liblas {
/// RGB color container
class LAS_DLL Color
{
public:
typedef boost::uint16_t value_type;
/// Default constructor.
/// Initializes with black color using RGB {0, 0, 0}.
Color();
/// User-defined constructor.
/// Initializes object with given RGB values.
/// \exception std::invalid_argument if color component value is out of range of unsigned 8-bit integer.
Color(boost::uint32_t red, boost::uint32_t green, boost::uint32_t blue);
/// User-defined constructor.
/// Initializes colour components based on values of 3-element array.
/// \exception std::invalid_argument if color component value is out of range of unsigned 8-bit integer.
Color(boost::array<value_type, 3> const& color);
/// Copy constructor.
Color(Color const& other);
/// Assignment opreator.
Color& operator=(Color const& rhs);
/// Fetch value of the red image channel
value_type GetRed() const;
/// Set value of the red image channel
void SetRed(value_type const& value);
/// Fetch value of the blue image channel
value_type GetBlue() const;
/// Set value of the blue image channel
void SetBlue(value_type const& value);
/// Fetch value of the green image channel
value_type GetGreen() const;
/// Set value of the red image channel
void SetGreen(value_type const& value);
/// Index operator providing access to RGB values.
/// Valid index values are 0, 1 or 2.
/// \exception std::out_of_range if requested index is out of range (> 2).
value_type& operator[](std::size_t const& index);
/// Const version of index operator providing access to RGB values.
/// Valid index values are 0, 1 or 2.
/// \exception std::out_of_range if requested index is out of range (> 2).
value_type const& operator[](std::size_t const& index) const;
private:
typedef boost::array<value_type, 3> base_type;
base_type m_color;
void throw_index_out_of_range() const;
void throw_invalid_color_component() const;
};
inline Color::value_type Color::GetRed() const
{
return m_color[0];
}
inline void Color::SetRed(Color::value_type const& value)
{
m_color[0] = value;
}
inline Color::value_type Color::GetGreen() const
{
return m_color[1];
}
inline void Color::SetGreen(Color::value_type const& value)
{
m_color[1] = value;
}
inline Color::value_type Color::GetBlue() const
{
return m_color[2];
}
inline void Color::SetBlue(Color::value_type const& value)
{
m_color[2] = value;
}
inline Color::value_type& Color::operator[](std::size_t const& index)
{
return m_color[index];
}
inline Color::value_type const& Color::operator[](std::size_t const& index) const
{
return m_color[index];
}
inline bool operator==(Color const& lhs, Color const& rhs)
{
return lhs[0] == rhs[0] && lhs[1] == rhs[1] && lhs[2] == rhs[2];
}
inline bool operator!=(Color const& lhs, Color const& rhs)
{
return !(lhs == rhs);
}
} // namespace liblas
#endif // LIBLAS_LASCOLOR_HPP_INCLUDED
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