isRGB             175 contrib/libtests/pngstest.c       return isRGB(component);
isRGB            1648 contrib/libtests/pngstest.c    out->r = isRGB(in->r);
isRGB            1658 contrib/libtests/pngstest.c          out->b = isRGB(in->b);
isRGB            1663 contrib/libtests/pngstest.c       out->g = isRGB(in->g);
isRGB            1672 contrib/libtests/pngstest.c          out->b = isRGB(in->b);
isRGB            1821 contrib/libtests/pngstest.c       out->r = out->g = out->b = isRGB(in->g);
isRGB            1848 contrib/libtests/pngstest.c       out->r = isRGB(in->r);
isRGB            1849 contrib/libtests/pngstest.c       out->g = isRGB(in->g);
isRGB            1850 contrib/libtests/pngstest.c       out->b = isRGB(in->b);