void DrawPolyList(const char *filename, list<TPPLPoly> *polys) {
Image img(500,500);
Image::Pixel white={255,255,255};
img.Clear(white);
ImageIO io;
list<TPPLPoly>::iterator iter;
tppl_float xmin = std::numeric_limits<tppl_float>::max();
tppl_float xmax = std::numeric_limits<tppl_float>::min();
tppl_float ymin = std::numeric_limits<tppl_float>::max();
tppl_float ymax = std::numeric_limits<tppl_float>::min();
for(iter=polys->begin(); iter!=polys->end(); iter++) {
for(int i=0;i<iter->GetNumPoints();i++) {
if(iter->GetPoint(i).x < xmin) xmin = iter->GetPoint(i).x;
if(iter->GetPoint(i).x > xmax) xmax = iter->GetPoint(i).x;
if(iter->GetPoint(i).y < ymin) ymin = iter->GetPoint(i).y;
if(iter->GetPoint(i).y > ymax) ymax = iter->GetPoint(i).y;
}
//if(iter->GetOrientation() == TPPL_CCW) printf("CCW\n");
//else if (iter->GetOrientation() == TPPL_CW) printf("CW\n");
//else printf("gfdgdg\n");
}
//printf("\n");
for(iter=polys->begin(); iter!=polys->end(); iter++) {
DrawPoly(&img, &(*iter), xmin, xmax, ymin, ymax);
}
io.SaveImage(filename,&img);
}
void DrawPoly(const char *filename, TPPLPoly *poly) {
Image img(500,500);
Image::Pixel white={255,255,255};
img.Clear(white);
ImageIO io;
tppl_float xmin = std::numeric_limits<tppl_float>::max();
tppl_float xmax = std::numeric_limits<tppl_float>::min();
tppl_float ymin = std::numeric_limits<tppl_float>::max();
tppl_float ymax = std::numeric_limits<tppl_float>::min();
for(int i=0;i<poly->GetNumPoints();i++) {
if(poly->GetPoint(i).x < xmin) xmin = poly->GetPoint(i).x;
if(poly->GetPoint(i).x > xmax) xmax = poly->GetPoint(i).x;
if(poly->GetPoint(i).y < ymin) ymin = poly->GetPoint(i).y;
if(poly->GetPoint(i).y > ymax) ymax = poly->GetPoint(i).y;
}
DrawPoly(&img, poly, xmin, xmax, ymin, ymax);
io.SaveImage(filename,&img);
}