Article View: borland.public.cppbuilder.nativeapi
Article #11938Re: Does TStream load Data (<1MB) to RAM?
From: PC Hua
Date: Thu, 08 Jan 2004 04:26
Date: Thu, 08 Jan 2004 04:26
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1804 bytes
On Wed, 7 Jan 2004 16:45:27 -0800, Remy Lebeau (TeamB) <gambit47.no.spam@no.spam.yahoo.com> wrote: >> Can I use TFileStream to load the file in small portions (between >> the timer events) and then use TJPEGImage::LoadFromStream >> to load the image? > > No. LoadFromFile() loads the entire file in a single pass, and > LoadFromStream() tries to load the entire image in full. It is not Yes, I mean to use LoadFromStream() to load the entire image. But before, the file is loaded using TFileStream::Read(void *Buffer, int Count) and I hope the LoadFromStream() will access the data from RAM and therefore will be a bit faster. > possible > to do incremental loadings with the VCL's image architecture. If you > need > that, then you will have to load and process the image data manually. -- _/\__/\__/\__/\__/\__/\_ www.folksfun.com
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10cc67,fec004505ce4dded X-Google-Attributes: gid10cc67,public X-Google-ArrivalTime: 2004-01-07 20:37:05 PST Newsgroups: borland.public.cppbuilder.nativeapi Subject: Re: Does TStream load Data (<1MB) to RAM? References: <opr1fk36pbeb6hof@newsgroups.borland.com> <3ffca6c3$1@newsgroups.borland.com> Message-ID: <opr1fvyyfveb6hof@newsgroups.borland.com> Content-Type: text/plain; charset=iso-8859-15; format=flowed From: PC Hua <home-at-huaonline.dot.com> MIME-Version: 1.0 Date: Thu, 08 Jan 2004 15:26:48 +1100 User-Agent: Opera7.10/Win32 M2 build 2840 NNTP-Posting-Host: 203.194.21.162 X-Trace: newsgroups.borland.com 1073536008 203.194.21.162 (7 Jan 2004 20:26:48 -0700) Lines: 22 Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!fu-berlin.de!fr.ip.ndsoftware.net!proxad.net!203.109.252.33.MISMATCH!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail