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#include "renderer.h"
#include <math.h>
int StandardMonomialRenderer::getOffsetX()
{
return boxSize*maxEntry*(1+2*(position%numberOfDrawingsPerLine));
}
int StandardMonomialRenderer::getOffsetY()
{
return boxSize*maxEntry*(1+2*(position/numberOfDrawingsPerLine));
}
bool StandardMonomialRenderer::isInInitialIdeal(const PolynomialSet &s,int x, int y, int z)
{
IntegerVector v(3);
v[0]=x;
v[1]=y;
v[2]=z;
PolynomialSet::const_iterator i;
for(i=s.begin();i!=s.end();i++)
if(i->getMarked().m.exponent.divides(v))break;
return i!=s.end();
}
int StandardMonomialRenderer::trace(const PolynomialSet &s, int x, int y, int z, int d)
{
int pos=0;
while(1)
{
bool wasIn=isInInitialIdeal(s,x,y,z);
if(!wasIn)return -1;
switch(d)
{
case 0:
pos=x;
x--;
break;
case 1:
pos=y;
y--;
break;
case 2:
pos=z;
z--;
break;
}
if(x<0 || y<0 || z<0)break;
bool isIn=isInInitialIdeal(s,x,y,z);
if(!isIn && wasIn)
return pos;
}
return 0;
}
void StandardMonomialRenderer::putPoint(float x, float y, int rotation, float size)
{ //rotation is clockwise
fprintf(f," %i %i",getOffsetX()+int(x+size*sin(rotation*3.1415927f/3)),getOffsetY()+int(y-size*cos(rotation*3.1415927f/3)));
}
void StandardMonomialRenderer::drawQuad(int x, int y, int z, int rotation, int color, int intensity)
{
fprintf(f,"2 3 0 1 0 %i 50 0 %i 0.000 0 0 -1 0 0 5\n ",color, intensity);
putPoint((x-y)*boxSize*sqrt(0.75),boxSize*(0.5*(x+y)-z),0,0);
putPoint((x-y)*boxSize*sqrt(0.75),boxSize*(0.5*(x+y)-z),rotation,boxSize);
putPoint((x-y)*boxSize*sqrt(0.75),boxSize*(0.5*(x+y)-z),rotation+1,boxSize);
putPoint((x-y)*boxSize*sqrt(0.75),boxSize*(0.5*(x+y)-z),rotation+2,boxSize);
putPoint((x-y)*boxSize*sqrt(0.75),boxSize*(0.5*(x+y)-z),0,0);
fprintf(f,"\n");
}
StandardMonomialRenderer::StandardMonomialRenderer(FILE *f):
numberOfDrawingsPerLine(5),
maxEntry(8),
position(0),
boxSize(120)
{
this->f=f;
fprintf(f,"#FIG 3.2\n"
"Landscape\n"
"Center\n"
"Inches\n"
"Letter\n"
"100.00\n"
"Single\n"
"-2\n"
"1200 2\n");
}
void StandardMonomialRenderer::setMaxEntry(int maxEntry)
{
this->maxEntry=maxEntry;
}
void StandardMonomialRenderer::setBoxSize(int boxSize)
{
this->boxSize=boxSize;
}
void StandardMonomialRenderer::setNumberOfDrawingsPerLine(int numberOfDrawingsPerLine)
{
this->numberOfDrawingsPerLine=numberOfDrawingsPerLine;
}
void StandardMonomialRenderer::render(const PolynomialSet &s)
{
int x,y,z;
bool color=false;
x=maxEntry;
for(y=0;y<maxEntry;y++)
for(z=0;z<maxEntry;z++)
{
int pos=trace(s,x,y,z,0);
if(pos>=0)
{
if(color)
drawQuad(pos,y,z,4,pos?15:7);
else
drawQuad(pos,y,z,4,7,pos?10:20);//dark
}
}
y=maxEntry;
for(x=0;x<maxEntry;x++)
for(z=0;z<maxEntry;z++)
{
int pos=trace(s,x,y,z,1);
if(pos>=0)
{
if(color)
drawQuad(x,pos,z,0,pos?17:7);
else
drawQuad(x,pos,z,0,7,pos?12:20);
}
}
z=maxEntry;
for(x=0;x<maxEntry;x++)
for(y=0;y<maxEntry;y++)
{
int pos=trace(s,x,y,z,2);
if(pos>=0)
{
if(color)
drawQuad(x,y,pos,2,pos?3:7);
else
drawQuad(x,y,pos,2,7,pos?14:20);//light
}
}
position++;
}
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