| DclShadeRegion (SGTNU, SGTNZU) | Paint out a polygon area with a user coordinates system. | 
| D clShadeRegionNormalized (SGTNV, SGTNZV) | Paint out a polygon area with a regular coordinates system. | 
| DclShadeRegionProjected (SGTNR, SGTNZR) | Paint out a polygon area with a seeing through coordinates system. | 
| DclSetShadePattern (SGSTNP) | Set Tone pattern number. | 
| DclGetShadePattern (SGQTNP) | Refer to Tone pattern number. | 
*The corresponding f77 interface name in parentheses.