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#include <iostream>
#include <math.h>
#include "circlemontage.h"
using namespace std;
CMSegment::CMSegment(int x,int y,int w,int h,int xo,int yo,CircleMontage *cm,int t1,int t2)
: LayoutRectangle(x,y,w,h), overlap(cm->overlap), radius(cm->radius), innerradius(cm->innerradius),
xo(xo), yo(yo), t1(t1), t2(t2)
{
}
CMSegment::~CMSegment()
{
}
void CircleMontage::SetSegments(int segments,int angleoffset,int overlappercent)
{
this->segments=segments;
segmentarc=360.0/segments;
overlap=(segmentarc*overlappercent)/100.0;
this->angleoffset=int(angleoffset-segmentarc);
}
CMSegment *CircleMontage::GetSegmentExtent(int segment)
{
float degperrad=360.0/(2*M_PI);
float t1=angleoffset+segment*segmentarc-overlap;
float t2=angleoffset+(segment+1)*segmentarc+overlap;
if(t2>=360.0)
{
t1-=360.0;
t2-=360.0;
}
float tx1=radius*sin(t1/degperrad);
float ty1=-radius*cos(t1/degperrad);
// float tx2=radius2*sin(t1/degperrad);
// float ty2=-radius2*cos(t1/degperrad);
float tx2=0.0;
float ty2=0.0;
float tx3=radius*sin(t2/degperrad);
float ty3=-radius*cos(t2/degperrad);
// float tx4=radius2*sin(t2/degperrad);
// float ty4=-radius2*cos(t2/degperrad);
float tx4=0.0;
float ty4=0.0;
float x1,x2,y1,y2;
x1=tx1;
if(tx2<x1) x1=tx2;
if(tx3<x1) x1=tx3;
if(tx4<x1) x1=tx4;
y1=ty1;
if(ty2<y1) y1=ty2;
if(ty3<y1) y1=ty3;
if(ty4<y1) y1=ty4;
x2=tx1;
if(tx2>x2) x2=tx2;
if(tx3>x2) x2=tx3;
if(tx4>x2) x2=tx4;
y2=ty1;
if(ty2>y2) y2=ty2;
if(ty3>y2) y2=ty3;
if(ty4>y2) y2=ty4;
if(t1<0.0 && t2>0.0)
y1=-radius;
if(t1<90.0 && t2>90.0)
x2=radius;
if(t1<-270.0 && t2>-270.0)
x2=radius;
if(t1<180.0 && t2>180.0)
y2=radius;
if(t1<-180.0 && t2>-180.0)
y2=radius;
if(t1<270.0 && t2>270.0)
x1=-radius;
if(t1<-90.0 && t2>-90.0)
x1=-radius;
return(new CMSegment(int(xorigin+x1),int(yorigin+y1),int(x2-x1),int(y2-y1),
int(-x1),int(-y1),this,int(t1),int(t2)));
}
CircleMontage::~CircleMontage()
{
}
CircleMontage::CircleMontage(int width,int height)
: width(width), height(height), xorigin(width/2), yorigin(height/2), innerradius(0)
{
radius=width/2;
if((height/2)<radius)
radius=height/2;
SetSegments(2,0,33);
}
void CircleMontage::SetInnerRadius(int ir)
{
innerradius=ir;
}
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