inline read onlyADD:CairoOperator = 12
inline read onlyATOP:CairoOperator = 5
inline read onlyCLEAR:CairoOperator = 0
inline read onlyCOLOR_BURN:CairoOperator = 20
inline read onlyCOLOR_DODGE:CairoOperator = 19
inline read onlyDARKEN:CairoOperator = 17
inline read onlyDEST:CairoOperator = 6
inline read onlyDEST_ATOP:CairoOperator = 10
inline read onlyDEST_IN:CairoOperator = 8
inline read onlyDEST_OUT:CairoOperator = 9
inline read onlyDEST_OVER:CairoOperator = 7
inline read onlyDIFFERENCE:CairoOperator = 23
inline read onlyEXCLUSION:CairoOperator = 24
inline read onlyHARD_LIGHT:CairoOperator = 21
inline read onlyHSL_COLOR:CairoOperator = 27
inline read onlyHSL_HUE:CairoOperator = 25
inline read onlyHSL_LUMINOSITY:CairoOperator = 28
inline read onlyHSL_SATURATION:CairoOperator = 26
inline read onlyIN:CairoOperator = 3
inline read onlyLIGHTEN:CairoOperator = 18
inline read onlyMULTIPLY:CairoOperator = 14
inline read onlyOUT:CairoOperator = 4
inline read onlyOVER:CairoOperator = 2
inline read onlyOVERLAY:CairoOperator = 16
inline read onlySATURATE:CairoOperator = 13
inline read onlySCREEN:CairoOperator = 15
inline read onlySOFT_LIGHT:CairoOperator = 22
inline read onlySOURCE:CairoOperator = 1
inline read onlyXOR:CairoOperator = 11