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what is the mathord to capture the screen  into a  "JPG"  format file?

Posted on 1999-11-29
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Last Modified: 2013-11-20
Now i want to capture the screen into a "jpeg"format file.because the "jpeg" file is small enough to fit the hard disk.A month ago,i capture the screen into a "BMP" format file , the speed is about two frame per second.but it is too
big to store into the disk.so i want to
capture the screen into jpg format file.
the captured time is about half a hour.
can you help me?
 thank you !
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Question by:kingwgl
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PIG earned 400 total points
ID: 2240235
First cpture screen to BMP format. It is fast operation. Than make one thread with own queue and set any Your bitmap to it. Your thread must convert in background BMP to JPG. If You want  there is a some links for

ftp://ftp.atia.com/pub/BMP2JPG/CDIB.ZIP capture DC to bitmap
ftp://ftp.atia.com/pub/BMP2JPG/JPEGLIB2.ZIP jpg lib with convertion methods
ftp://ftp.atia.com/pub/BMP2JPG/MFCAPP.ZIP sample to use JPEGLIB2

Convertion to JPG ist fast but not to that can You use it in real time.
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Expert Comment

by:PIG
ID: 2240243
If You have problem with links mail me Your mail and I will to be send You zip files. My mail is plamenig@atia.com.
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Author Comment

by:kingwgl
ID: 2270729
I have thought of this mathord .vc6.0 have its own lib to process the dib format image. if convert the dib file to  jpg file background .the speed is a big problem. so i should find a better methord to capture the screen to jpg file directly!
thank you to provide me the answer!
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Author Comment

by:kingwgl
ID: 2282165
i have known this mathord .i have a better lib to manipulate the image.
such as jpg.bmp.phg.tiff. the
name is paintlib

thank you to help me!
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