#include"image.h"
#include<math.h>

// >>>>>>>>>>>>>>>>>> ImgRGBColor members


// >>>>>>>>>>>>>>>>>> RGBPixel members



// >>>>>>>>>>>>>>>>>> RGBMask members
int RGBMask::Set(DWORD r,DWORD g,DWORD b,DWORD a)
{ 
if(!r || !b || !g ) return 1;
R=r; B=b; G=g; A=a; 
int bct=0;
irs=igs=ibs=ias=24; 
rbs=gbs=bbs=albs=0; 
 
bits=0;	
for(bct=31;bct>=0;bct--)
 {
 if(R&(1<<bct)) {irs=bct; rbs++;}	  //calululate shifts
 if(G&(1<<bct)) {igs=bct; gbs++;}
 if(B&(1<<bct)) {ibs=bct; bbs++;}
 if(A&(1<<bct)) {ias=bct; albs++;}
 if((!bits) && ((R|G|B|A)&(1<<bct)) ) bits=bct;
 }

//rmax=R>>irs; gmax=G>>igs; bmax=B>>ibs; amax=A>>ias;
if(!R) irs=32;
if(!B) ibs=32;
if(!G) igs=32;
if(!A) ias=32;

ras=8-rbs;
gas=8-gbs;
bas=8-bbs;
aas=8-albs;
//if(A) aas=8-albs; else aas=0;

if(bits<=16) bits=16;
if(bits>16 && bits<=24) bits=24;
if(bits>24 && bits<=32) bits=32;
while(bits%2) bits++;
return 0;
}


// >>>>>>>>>>>>>>>>>> Point members

Point::Point(int ix,int iy,int iz) {x=ix; y=iy; z=iz;}
int Point::XDist(int px)		   {return abs(px-x);}
int Point::YDist(int py)		   {return abs(py-y);}
double Point::Dist(int px,int py)  {return sqrt((double)((px-x)*(px-x)+(py-y)*(py-y)));}
int Point::XDist(Point p)		   {return XDist(p.x); }
int Point::YDist(Point p)		   {return YDist(p.y); }
double Point::Dist(Point p)		   {return Dist(p.x,p.y);}