
Value 
Name

Description


1

R2_BLACK  Pixel is always 0. 
13

R2_COPYPEN  Pixel is the pen color. 
3

R2_MASKNOTPEN  Pixel is a combination of the colors common to both the screen and the inverse of the pen. 
9

R2_MASKPEN  Pixel is a combination of the colors common to both the pen and the screen. 
5

R2_MASKPENNOT  Pixel is a combination of the colors common to both the pen and the inverse of the screen. 
12

R2_MERGENOTPEN  Pixel is a combination of the screen color and the inverse of the pen color. 
15

R2_MERGEPEN  Pixel is a combination of the pen color and the screen color. 
14

R2_MERGEPENNOT  Pixel is a combination of the pen color and the inverse of the screen color. 
11

R2_NOP  Pixel remains unchanged. 
6

R2_NOT  Pixel is the inverse of the screen color. 
4

R2_NOTCOPYPEN  Pixel is the inverse of the pen color. 
8

R2_NOTMASKPEN  Pixel is the inverse of the R2_MASKPEN color. 
2

R2_NOTMERGEPEN  Pixel is the inverse of the R2_MERGEPEN color. 
10

R2_NOTXORPEN  Pixel is the inverse of the R2_XORPEN color. 
16

R2_WHITE  Pixel is always 1. 
7

R2_XORPEN  Pixel is a combination of the colors in the pen and in the screen, but not in both. 
ED

not used

RT

avaliable

The SetROP2 function sets the current foreground mix mode. GDI uses the foreground mix mode to combine pens and interiors of filled objects with the colors already on the screen. The foreground mix mode defines how colors from the brush or pen and the colors in the existing image are to be combined.