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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _Pixel32_H_
#define _Pixel32_H_
#include "../api.h"
#include "../base/UTF8String.h"
#include "Pixeldefs.h"
#include <string>
#include <math.h>
#include <stdlib.h>
namespace avg {
class Pixel32
{
public:
Pixel32();
Pixel32(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
Pixel32(unsigned char r, unsigned char g, unsigned char b);
void set(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void set(unsigned char r, unsigned char g, unsigned char b);
void setR(unsigned char r);
void setG(unsigned char g);
void setB(unsigned char b);
void setA(unsigned char a);
unsigned char getR() const;
unsigned char getG() const;
unsigned char getB() const;
unsigned char getA() const;
void flipRB();
void toHSL(float& h, float& s, float& l);
bool operator ==(const Pixel32 pix) const;
bool operator !=(const Pixel32 pix) const;
void operator +=(const Pixel32 pix);
void operator -=(const Pixel32 pix);
Pixel32 operator *(float f) const;
// Simple and fast 'distance' between two pixels. Just adds the
// distances between the color components and treats colors
// equally.
int boxDist(const Pixel32 pix) const;
std::string AVG_API getColorString() const;
private:
unsigned char m_Data[4];
};
AVG_API std::ostream& operator <<(std::ostream& os, const Pixel32& pix);
AVG_API Pixel32 colorStringToColor(const UTF8String& s);
void YUVtoBGR32Pixel(Pixel32* pDest, int y, int u, int v);
void YUVJtoBGR32Pixel(Pixel32* pDest, int y, int u, int v);
inline Pixel32::Pixel32()
{
}
inline Pixel32::Pixel32(unsigned char r, unsigned char g, unsigned char b,
unsigned char a)
{
set (r, g, b, a);
}
inline Pixel32::Pixel32(unsigned char r, unsigned char g, unsigned char b)
{
set (r, g, b, 255);
}
inline void Pixel32::set(unsigned char r, unsigned char g, unsigned char b,
unsigned char a)
{
m_Data[REDPOS] = r;
m_Data[GREENPOS] = g;
m_Data[BLUEPOS] = b;
m_Data[ALPHAPOS] = a;
}
inline void Pixel32::set(unsigned char r, unsigned char g, unsigned char b)
{
m_Data[REDPOS] = r;
m_Data[GREENPOS] = g;
m_Data[BLUEPOS] = b;
}
inline void Pixel32::setR(unsigned char r)
{
m_Data[REDPOS] = r;
}
inline void Pixel32::setG(unsigned char g)
{
m_Data[GREENPOS] = g;
}
inline void Pixel32::setB(unsigned char b)
{
m_Data[BLUEPOS] = b;
}
inline void Pixel32::setA(unsigned char a)
{
m_Data[ALPHAPOS] = a;
}
inline unsigned char Pixel32::getR() const
{
return m_Data[REDPOS];
}
inline unsigned char Pixel32::getG() const
{
return m_Data[GREENPOS];
}
inline unsigned char Pixel32::getB() const
{
return m_Data[BLUEPOS];
}
inline unsigned char Pixel32::getA() const
{
return m_Data[ALPHAPOS];
}
inline void Pixel32::flipRB()
{
unsigned char tmp = m_Data[BLUEPOS];
m_Data[BLUEPOS] = m_Data[REDPOS];
m_Data[REDPOS] = tmp;
}
inline int Pixel32::boxDist(const Pixel32 pix) const
{
return (abs ((int)getR()-pix.getR()) +
abs ((int)getG()-pix.getG()) +
abs ((int)getB()-pix.getB()));
}
inline bool Pixel32::operator ==(const Pixel32 pix) const
{
return (*(const int *)this == *(const int*)&pix);
}
inline bool Pixel32::operator !=(const Pixel32 pix) const
{
return (!(*this == pix));
}
inline void Pixel32::operator +=(const Pixel32 pix)
{
m_Data[0] += pix.m_Data[0];
m_Data[1] += pix.m_Data[1];
m_Data[2] += pix.m_Data[2];
}
inline void Pixel32::operator -=(const Pixel32 pix)
{
m_Data[0] -= pix.m_Data[0];
m_Data[1] -= pix.m_Data[1];
m_Data[2] -= pix.m_Data[2];
}
inline Pixel32 Pixel32::operator *(float f) const
{
return Pixel32((unsigned char)(f*getR()),
(unsigned char)(f*getG()),
(unsigned char)(f*getB()));
}
}
#endif
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