Overview
Group
Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
gdi32.lib
Header File
wingdi.h
Unicode
No
Platform Notes
Windows 95: int == 16 bits

GetROP2

The GetROP2 function retrieves the foreground mix mode of the specified device context. The mix mode specifies how the pen or interior color and the color already on the screen are combined to yield a new color.

int GetROP2(

HDC hdc
// handle of device context
);

Parameters

hdc

Identifies the device context.

Return Values

If the function succeeds, the return value specifies the foreground mix mode.

If the function fails, the return value is zero.

Remarks

Following are the foreground mix modes:

Mix mode
Description
R2_BLACK
Pixel is always 0.
R2_COPYPEN
Pixel is the pen color.
R2_MASKNOTPEN
Pixel is a combination of the colors common to both the screen and the inverse of the pen.
R2_MASKPEN
Pixel is a combination of the colors common to both the pen and the screen.
R2_MASKPENNOT
Pixel is a combination of the colors common to both the pen and the inverse of the screen.
R2_MERGENOTPEN
Pixel is a combination of the screen color and the inverse of the pen color.
R2_MERGEPEN
Pixel is a combination of the pen color and the screen color.
R2_MERGEPENNOT
Pixel is a combination of the pen color and the inverse of the screen color.
R2_NOP
Pixel remains unchanged.
R2_NOT
Pixel is the inverse of the screen color.
R2_NOTCOPYPEN
Pixel is the inverse of the pen color.
R2_NOTMASKPEN
Pixel is the inverse of the R2_MASKPEN color.
R2_NOTMERGEPEN
Pixel is the inverse of the R2_MERGEPEN color.
R2_NOTXORPEN
Pixel is the inverse of the R2_XORPEN color.
R2_WHITE
Pixel is always 1.
R2_XORPEN
Pixel is a combination of the colors in the pen and in the screen, but not in both.

See Also

SetROP2

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