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Diffstat (limited to 'src/graphics/Pixel32.h')
| -rw-r--r-- | src/graphics/Pixel32.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/graphics/Pixel32.h b/src/graphics/Pixel32.h new file mode 100644 index 0000000..7ec6e98 --- /dev/null +++ b/src/graphics/Pixel32.h @@ -0,0 +1,208 @@ +// +// 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 |