How to get the size of the JPEG file in order to read it?

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VC8.0

C++

How to get the size of the JPEG file in order to read it as binary?

Posted 17-May-11 2:55am

Gokulnath007

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Manfred Rudolf Bihy 17-May-11 8:58am

Do you intend to read the image as binary data or do you want the binary equivalent of the file content?

Gokulnath007 17-May-11 9:34am

I want to know the size of the jpeg file and then i want to read it completely.

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Albert Holguin · Answer 1 · 2011-05-17T04:26:00

Solution 1

Size of a jpeg file is just the size of the file, use anything that can be used to find file size, such as:
http://msdn.microsoft.com/en-us/library/aa364955%28v=vs.85%29.aspx[^]

Posted 17-May-11 4:26am

Albert Holguin

Comments

Sergey Alexandrovich Kryukov 17-May-11 18:59pm

Correct answer, a 5.
--SA

Niklas L 18-May-11 11:55am

Fived.

Guyverthree · Answer 2 · 2011-05-17T05:26:00

Solution 2

Open the file using CreateFile()

get the file size with GetFileSize()

and then Read the file using ReadFile()

once finished close the file using CloseHandle();

search for the functions on Google so you can learn the parameters. :)

Posted 17-May-11 5:26am

Guyverthree

Updated 17-May-11 5:27am

v2

Comments

Sergey Alexandrovich Kryukov 17-May-11 18:59pm

Correct, a 5.
--SA

Guyverthree 18-May-11 4:41am

thanks :)

Niklas L 18-May-11 11:55am

That's a good answer. 5.

Guyverthree 18-May-11 12:04pm

thanks I tired to offer an approach rather than code for him to copy.