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// Copyright (C) 1999-2018
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#ifndef __sao_h__
#define __sao_h__
#include "colormap.h"
#include "list.h"
class Colorbar;
// LIColor
class LIColor {
private:
float x;
float y;
LIColor* next_;
LIColor* previous_;
public:
LIColor()
{x=0; y=0; next_=NULL; previous_=NULL;}
LIColor(float ll, float ii)
{x=ll; y=ii, next_=NULL; previous_=NULL;}
LIColor(const LIColor& a)
{x=a.x; y=a.y; next_=a.next_; previous_=a.previous_;}
LIColor& operator=(const LIColor& a)
{x=a.x; y=a.y; next_=a.next_; previous_=a.previous_; return *this;}
LIColor* next()
{return next_;}
LIColor* previous()
{return previous_;}
void setNext(LIColor* n)
{next_ = n;}
void setPrevious(LIColor* p)
{previous_=p;}
float getX() {return x;}
float getY() {return y;}
friend ostream& operator<<(ostream&, LIColor&);
};
// SAOColorMap
class SAOColorMap : public ColorMapInfo {
public:
enum ChannelType {RED,GREEN,BLUE};
protected:
List<LIColor> red;
List<LIColor> green;
List<LIColor> blue;
List<LIColor>* current;
protected:
unsigned char getColorChar(int, int, List<LIColor>*);
unsigned short getColorShrt(int, int, List<LIColor>*);
public:
SAOColorMap(Colorbar* p);
ColorMapInfo* dup() {return new SAOColorMap(*this);}
int load();
int load(const char* var);
void save(const char*);
unsigned char getRedChar(int i, int c) {return getColorChar(i,c,&red);}
unsigned char getGreenChar(int i, int c) {return getColorChar(i,c,&green);}
unsigned char getBlueChar(int i, int c) {return getColorChar(i,c,&blue);}
unsigned short getRedShrt(int i, int c) {return getColorShrt(i,c,&red);}
unsigned short getGreenShrt(int i, int c) {return getColorShrt(i,c,&green);}
unsigned short getBlueShrt(int i, int c) {return getColorShrt(i,c,&blue);}
void setChannel(ChannelType);
void newLIColor(float,float);
friend ostream& operator<<(ostream&, SAOColorMap&);
};
#endif
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