/usr/include/claw/pixel.hpp is in libclaw-graphic-dev 1.7.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file pixel.hpp
* \brief Representation of a pixel in image processing.
* \author Julien Jorge
*/
#ifndef __CLAW_PIXEL_HPP_
#define __CLAW_PIXEL_HPP_
#include <string>
namespace claw
{
namespace graphic
{
struct rgba_pixel;
/**
* \brief RGB pixel.
*/
struct rgb_pixel
{
typedef unsigned char component_type;
/** \brief Component by component representation. */
struct
{
/** \brief Red component. */
component_type red;
/** \brief Green component. */
component_type green;
/** \brief Blue component. */
component_type blue;
} components;
public:
rgb_pixel();
rgb_pixel( component_type r, component_type g, component_type b );
rgb_pixel( const rgba_pixel& p );
explicit rgb_pixel( const std::string& c );
bool operator==(const rgb_pixel& that) const;
bool operator==(const rgba_pixel& that) const;
bool operator!=(const rgb_pixel& that) const;
bool operator!=(const rgba_pixel& that) const;
}; // struct rgb_pixel
/**
* \brief RGBA pixel.
*/
struct rgba_pixel
{
typedef unsigned char component_type;
union
{
/** \brief Compressed representation. */
unsigned int pixel;
/** \brief Component by component representation. */
struct
{
/** \brief Red component. */
component_type red;
/** \brief Green component. */
component_type green;
/** \brief Blue component. */
component_type blue;
/** \brief Translucy. */
component_type alpha;
} components;
};
public:
rgba_pixel();
rgba_pixel( const rgb_pixel& that );
rgba_pixel( component_type r, component_type g, component_type b,
component_type a );
explicit rgba_pixel( const std::string& c );
rgba_pixel& operator=( const rgb_pixel& that );
bool operator==( const rgba_pixel& that ) const;
bool operator!=( const rgba_pixel& that ) const;
component_type luminosity() const;
}; // struct rgba_pixel
typedef rgb_pixel rgb_pixel_8;
typedef rgba_pixel rgba_pixel_8;
extern rgba_pixel transparent_pixel;
extern rgba_pixel black_pixel;
extern rgba_pixel white_pixel;
extern rgba_pixel blue_pixel;
extern rgba_pixel green_pixel;
extern rgba_pixel red_pixel;
extern rgba_pixel yellow_pixel;
extern rgba_pixel magenta_pixel;
extern rgba_pixel cyan_pixel;
} // namespace graphic
} // namespace claw
#endif // __CLAW_PIXEL_HPP__
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