nsvg__parseCoordinateRaw
NSVGcoordinate coord = nsvg__parseCoordinateRaw(str);
grad->radial.cx = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->radial.cy = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->radial.r = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->radial.fx = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->radial.fy = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->linear.x1 = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->linear.y1 = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->linear.x2 = nsvg__parseCoordinateRaw(attr[i + 1]);
grad->linear.y2 = nsvg__parseCoordinateRaw(attr[i + 1]);