118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
#pragma once
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#ifndef _PIXEL_GR_H
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#define _PIXEL_GR_H
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#include "tcommon.h"
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#include <math.h>
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#undef DVAPI
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#undef DVVAR
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#ifdef TCOLOR_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//! r,g,b,m; 4 byte/pixel
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class TPixelRGBM32;
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//! r,g,b,m; 8 byte/pixel
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class TPixelRGBM64;
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//! Double r,g,b,m ; 16 byte/pixel
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class TPixelD;
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//! Gray Scale 1 byte/pixel
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class TPixelGR8;
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//! Gray Scale 2 byte/pixel
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class TPixelGR16;
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//-----------------------------------------------------------------------------
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/*! grey tones, 8 bits
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A set of predefined colors are included as well.
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*/
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class DVAPI TPixelGR8
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{
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public:
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static const int maxChannelValue;
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typedef UCHAR Channel;
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UCHAR value;
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TPixelGR8(int v = 0) : value(v){};
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TPixelGR8(const TPixelGR8 &pix) : value(pix.value){};
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inline bool operator==(const TPixelGR8 &p) const { return value == p.value; };
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inline bool operator!=(const TPixelGR8 &p) const { return value != p.value; };
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inline bool operator<(const TPixelGR8 &p) const { return value < p.value; };
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inline bool operator<=(const TPixelGR8 &p) const { return value <= p.value; };
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inline bool operator>(const TPixelGR8 &p) const { return value > p.value; };
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inline bool operator>=(const TPixelGR8 &p) const { return value >= p.value; };
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inline void setValue(int _value) { value = (UCHAR)_value; }
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//!In this conversion instead of truncating values fron 16 to 8 a randomic dithering is performed.
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// randomNumber is an unsigned int random value
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static inline TPixelGR8 from(const TPixelGR16 &pix, TUINT32 randomNumber); // per il dithering
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//!In this conversion instead of truncating values fron 64 to 8 a randomic dithering is performed.
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// randomNumber is an unsigned int random value
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static TPixelGR8 from(const TPixelRGBM64 &pix, TUINT32 randomNumber); // per il dithering
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//!Converts TPixelRGBM32 into TPixelGR8
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static TPixelGR8 from(const TPixelRGBM32 &pix);
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//!Converts TPixelGR16 into TPixelGR8
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static inline TPixelGR8 from(const TPixelGR16 &pix);
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//!Converts TPixelD into TPixelGR8
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static TPixelGR8 from(const TPixelD &pix);
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static const TPixelGR8 White;
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static const TPixelGR8 Black;
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};
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//-----------------------------------------------------------------------------
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/*!grey tones, 16 bits */
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class DVAPI TPixelGR16
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{
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public:
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static const int maxChannelValue;
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typedef USHORT Channel;
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USHORT value;
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TPixelGR16(int v = 0) : value(v){};
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TPixelGR16(const TPixelGR16 &pix) : value(pix.value){};
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inline bool operator==(const TPixelGR16 &p) const { return value == p.value; };
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inline bool operator!=(const TPixelGR16 &p) const { return value != p.value; };
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inline bool operator<(const TPixelGR16 &p) const { return value < p.value; };
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inline bool operator<=(const TPixelGR16 &p) const { return value <= p.value; };
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inline bool operator>(const TPixelGR16 &p) const { return value > p.value; };
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inline bool operator>=(const TPixelGR16 &p) const { return value >= p.value; };
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inline void setValue(int _value) { value = (USHORT)_value; }
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static TPixelGR16 from(const TPixelRGBM64 &pix);
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static TPixelGR16 from(const TPixelD &pix);
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static const TPixelGR16 White;
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static const TPixelGR16 Black;
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};
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//-----------------------------------------------------------------------------
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class DVAPI TPixelGRD
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{
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public:
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typedef double Channel;
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double value;
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TPixelGRD(double v = 0.0) : value(v){};
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TPixelGRD(const TPixelGRD &pix) : value(pix.value){};
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inline bool operator==(const TPixelGRD &p) const { return value == p.value; };
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inline bool operator<(const TPixelGRD &p) const { return value < p.value; };
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inline void setValue(double _value) { value = (double)_value; }
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static TPixelGRD from(const TPixelGR8 &pix) { return TPixelGRD((double)(pix.value)); }
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};
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#endif
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