GetROP2

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

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.