please dont rip this site Prev Next

GetPixel info  Overview  Group

The GetPixel function retrieves the red, green, blue (RGB) color value of the pixel at the specified coordinates.

COLORREF GetPixel(

    HDC hdc,

// handle of device context

    int XPos,

// x-coordinate of pixel

    int nYPos 

// y-coordinate of pixel

   );

Parameters

hdc
Identifies the device context.
nXPos
Specifies the logical x-coordinate of the pixel to be examined.
nYPos
Specifies the logical y-coordinate of the pixel to be examined.

Return Values

The return value is the RGB value of the pixel. If the pixel is outside of the current clipping region, the return value is CLR_INVALID.

Remarks

The pixel must be within the boundaries of the current clipping region.

Not all devices support GetPixel. An application should call GetDeviceCaps to determine whether a specified device supports this function.

See Also

GetDeviceCaps, SetPixel


file: /Techref/os/win/api/win32/func/src/f36_9.htm, 2KB, , updated: 2000/4/7 11:19, local time: 2024/12/1 10:42,
TOP NEW HELP FIND: 
18.224.69.176:LOG IN

 ©2024 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?
Please DO link to this page! Digg it! / MAKE!

<A HREF="http://techref.massmind.org/Techref/os/win/api/win32/func/src/f36_9.htm"> GetPixel</A>

After you find an appropriate page, you are invited to your to this massmind site! (posts will be visible only to you before review) Just type a nice message (short messages are blocked as spam) in the box and press the Post button. (HTML welcomed, but not the <A tag: Instead, use the link box to link to another page. A tutorial is available Members can login to post directly, become page editors, and be credited for their posts.


Link? Put it here: 
if you want a response, please enter your email address: 
Attn spammers: All posts are reviewed before being made visible to anyone other than the poster.
Did you find what you needed?

 

Welcome to massmind.org!

 

Welcome to techref.massmind.org!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  .