class WEL_ROP2_CONSTANTS General cluster: wel.consts description: "Raster operation 2 (R2) constants." Ancestors ANY Queries R2_black: INTEGER R2_copypen: INTEGER R2_masknotpen: INTEGER R2_maskpen: INTEGER R2_maskpennot: INTEGER R2_mergenotpen: INTEGER R2_mergepen: INTEGER R2_mergepennot: INTEGER R2_nop: INTEGER R2_not: INTEGER R2_notcopypen: INTEGER R2_notmaskpen: INTEGER R2_notmergepen: INTEGER R2_notxorpen: INTEGER R2_white: INTEGER R2_xorpen: INTEGER valid_rop2_constant (c: INTEGER): BOOLEAN