From: gah AT jet DOT es (Grzegorz Adam Hankiewicz) Newsgroups: comp.os.msdos.djgpp Subject: Re: [Allegro] Primitive bitmap access in datafiles Date: Thu, 18 Jun 1998 12:27:33 GMT Organization: Gogosoftware Lines: 15 Message-ID: <3589075a.3703286@news.jet.es> References: <6mb0kf$u1c$1 AT news DOT wave DOT co DOT nz> NNTP-Posting-Host: info163.jet.es To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk On Fri, 19 Jun 1998 00:22:36 +1200, "Question" wrote: >How do you access individual pixels of a bitmap that is embedded in a >datafile. >e.g. >If the "images[1].dat" pointed to the data in a datafile, >and using an 8bit (256 colour) depth, >how would you get the colour of the pixel at say x=5, y=3? I think you only need a cast. Say: color = ((BITMAP *) images[1].dat) -> line[3][5]; - Grzegorz Adam Hankiewicz - gah AT jet DOT es - http://web.jet.es/gregorio/ - Gogosoftware - http://welcome.to/gogosoftware/