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GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
Mark Salsbery1-Mar-07 11:27
Mark Salsbery1-Mar-07 11:27 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
El Corazon1-Mar-07 11:58
El Corazon1-Mar-07 11:58 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
Mark Salsbery1-Mar-07 12:02
Mark Salsbery1-Mar-07 12:02 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
El Corazon1-Mar-07 12:04
El Corazon1-Mar-07 12:04 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
Mark Salsbery1-Mar-07 12:14
Mark Salsbery1-Mar-07 12:14 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
JUNEYT1-Mar-07 11:48
JUNEYT1-Mar-07 11:48 
GeneralRe: How can I find the exact colors of a grayscaled picture? Pin
El Corazon1-Mar-07 11:55
El Corazon1-Mar-07 11:55 
QuestionIs there a way to draw on a client window and erase only the pen color Pin
Akatz71228-Feb-07 17:11
Akatz71228-Feb-07 17:11 
I am programming a small drawing application.

And what I do is rubber band a red circle and draw in black (eventually any color but red). And my program draws designs inside of the circle, and then when the user is done, the user can make a new circle. And I want the circle to erase itself and not the designs it may encounter in the rubber banding. I would like to know how to just erase the circle.

This means I am asking a general mixed mode involving the SetROP2 function in the Windows GDI. Is there a way to draw on a client window and erase only the pen color? (Erase means make it white.)

Andrew Katz

AnswerRe: Is there a way to draw on a client window and erase only the pen color Pin
John R. Shaw3-Mar-07 0:46
John R. Shaw3-Mar-07 0:46 
QuestionDIB Pin
balu chettri28-Feb-07 7:12
balu chettri28-Feb-07 7:12 
AnswerRe: DIB Pin
Mark Salsbery28-Feb-07 14:32
Mark Salsbery28-Feb-07 14:32 
GeneralRe: DIB Pin
John R. Shaw3-Mar-07 0:49
John R. Shaw3-Mar-07 0:49 
QuestionRe: DIB Pin
Mark Salsbery4-Mar-07 6:19
Mark Salsbery4-Mar-07 6:19 
AnswerRe: DIB Pin
John R. Shaw9-Mar-07 9:31
John R. Shaw9-Mar-07 9:31 
GeneralRe: DIB Pin
Mark Salsbery9-Mar-07 11:21
Mark Salsbery9-Mar-07 11:21 
GeneralRe: DIB Pin
John R. Shaw9-Mar-07 12:03
John R. Shaw9-Mar-07 12:03 
AnswerRe: DIB Pin
John R. Shaw3-Mar-07 1:09
John R. Shaw3-Mar-07 1:09 
QuestionLip and voice synchronization problem with DirectX.Capture Pin
Siamginsuan Ngaihte27-Feb-07 20:46
Siamginsuan Ngaihte27-Feb-07 20:46 
QuestionRe: Lip and voice synchronization problem with DirectX.Capture Pin
Mark Salsbery28-Feb-07 14:33
Mark Salsbery28-Feb-07 14:33 
Question3D item to code Pin
Lampros Giampouras27-Feb-07 3:56
Lampros Giampouras27-Feb-07 3:56 
AnswerRe: 3D item to code Pin
El Corazon27-Feb-07 9:44
El Corazon27-Feb-07 9:44 
QuestionGetting GPU memory speed and bandwidth Pin
anshulmalik25-Feb-07 5:21
anshulmalik25-Feb-07 5:21 
Questionwindows grapics system and mouse movement Pin
bil_geo24-Feb-07 22:17
bil_geo24-Feb-07 22:17 
AnswerRe: windows grapics system and mouse movement Pin
Waldermort24-Feb-07 22:54
Waldermort24-Feb-07 22:54 
AnswerRe: windows grapics system and mouse movement Pin
John R. Shaw3-Mar-07 1:33
John R. Shaw3-Mar-07 1:33 

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