Function nsvg__parseEllipse

rEFIt_UEFI/libeg/nanosvg.cpp:2999–3026

}

static void nsvg__parseEllipse(NSVGparser* p, const char** attr)
{
  float cx = 0.0f;
  float cy = 0.0f;
  float rx = 0.0f;
  float ry = 0.0f;
  int i;

  for (i = 0; attr[i]; i += 2) {
    if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
      if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p));
      else if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p));
      else if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)));
      else if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)));
    }
  }

  if (rx > 0.0f && ry > 0.0f) {
    nsvg__resetPath(p);
    nsvg__moveTo(p, cx+rx, cy);
    nsvg__cubicBezTo(p, cx+rx, cy+ry*NSVG_KAPPA90, cx+rx*NSVG_KAPPA90, cy+ry, cx, cy+ry);
    nsvg__cubicBezTo(p, cx-rx*NSVG_KAPPA90, cy+ry, cx-rx, cy+ry*NSVG_KAPPA90, cx-rx, cy);
    nsvg__cubicBezTo(p, cx-rx, cy-ry*NSVG_KAPPA90, cx-rx*NSVG_KAPPA90, cy-ry, cx, cy-ry);
    nsvg__cubicBezTo(p, cx+rx*NSVG_KAPPA90, cy-ry, cx+rx, cy-ry*NSVG_KAPPA90, cx+rx, cy);
    nsvg__addPath(p, 1);
    nsvg__addShape(p);
  }
}

static void nsvg__parseLine(NSVGparser* p, const char** attr)
{