200 dpi jpeg to 100 dpi

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Hello all,

I have an input image file (jpeg) with a dpi of 200, I wanna make it 100 dpi. Wow can I do this in C++ ?

Thank you in advance.

Posted 26-Jul-12 0:02am

Schehaider_Aymen

Updated 26-Jul-12 0:27am

Malli_S

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CPallini · Accepted Answer · 2012-07-26T00:44:00

Solution 1

If you are developing for the Windows platform then have a look at Resizing an image with GDI+[^].

Posted 26-Jul-12 0:44am

CPallini

Comments

Schehaider_Aymen 26-Jul-12 6:54am

is it supported for using in MVS 6.0?? it told me


fatal error C1083: Cannot open include file: 'Gdiplus.h': No such file or directory

CPallini 26-Jul-12 7:07am

You may use it with VC6, but you need a more recent version of the SDK (see http://www.microsoftfaqs.com/msg/14721149.aspx)

Schehaider_Aymen 26-Jul-12 7:20am

I downloaded some files here(http://www.codeproject.com/Articles/2325/Hints-to-get-GDI-running) and i extracted the content on the current fiolder of my project but it seems that i nned to add the .lib link to my project how could i do it ?

CPallini 26-Jul-12 8:08am

See here http://www.steptools.com/support/stdev_docs/help/settings_vc6.html

Schehaider_Aymen 26-Jul-12 8:21am

I couldn't use the GDI+ without installing the Framework. anyway thank for helping here.