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Article #442Re: JPEG properties
From: Vladimir Stefanovic
Date: Tue, 10 Aug 2004 20:17
Date: Tue, 10 Aug 2004 20:17
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> Is there a way I can read the header and get the dimensions? In any case you have to open the file into TImage or by fopen(). Once I needed the same thing and I discovered which bytes makes Width and which Height. You can find them fast by any HEX editor. I remember that they are not at the same offset of the file, but are surrounded with the same byte pattern. I abandoned that approach when I found the TWO such patterns in one of (maybe) 100 JPG files. Best regards, Vladimir Stefanovic
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X-Google-Thread: 10d0fc,6720cf3f1348e602 X-Google-Attributes: gid10d0fc,public X-Google-Language: ENGLISH,ASCII-7-bit From: "Vladimir Stefanovic" <spam@not.needed> Newsgroups: borland.public.cppbuilder.multimedia References: <41175fe0@newsgroups.borland.com> Subject: Re: JPEG properties Date: Tue, 10 Aug 2004 22:17:15 +0200 Lines: 18 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 NNTP-Posting-Host: 213.137.116.233 Message-ID: <41192d5c@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1092169052 213.137.116.233 (10 Aug 2004 13:17:32 -0700) Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!news.glorb.com!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail