Sensoray 2224 Windows - Manual (Page 88)

gsetrop2 op
This is a simple wrapper function for the Windows SetROP2 () function.
The op parameter controls how the bitmap is copied.
Valid op values:
R2_BLACK 1 /* 0 */
R2_NOTMERGEPEN 2 /* DPon */
R2_MASKNOTPEN 3 /* DPna */
R2_NOTCOPYPEN 4 /* PN */
R2_MASKPENNOT 5 /* PDna */
R2_NOT 6 /* Dn */
R2_XORPEN 7 /* DPx */
R2_NOTMASKPEN 8 /* DPan */
R2_MASKPEN 9 /* DPa */
R2_NOTXORPEN 10 /* DPxn */
R2_NOP 11 /* D */
R2_MERGENOTPEN 12 /* DPno */
R2_COPYPEN 13 /* P */
R2_MERGEPENNOT 14 /* PDno */
R2_MERGEPEN 15 /* DPo */
R2_WHITE 16 /* 1 */
R2_LAST 16
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