Article View: borland.public.cppbuilder.multimedia
Article #463Re: How to draw into a jpeg image
From: Mario Sernicola
Date: Wed, 02 Jun 2004 07:48
Date: Wed, 02 Jun 2004 07:48
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1755 bytes
Ok, so I've to continue convert JPG into a BMP with an external software, import the BMP in my TImage component, draw on it and finally import the JPG in TImage. I need to draw on TImage canvas in order to catch vertex pixel of a polygon that describes a shape contained in TImage. When the vertex are know, I don't need BMP anymore. "Remy Lebeau (TeamB)" <gambit47.no.spam@no.spam.yahoo.com> ha scritto nel messaggio news:40bd02cb@newsgroups.borland.com... > > How can I draw on TImage either if it contains a BMP or JPG??? > > You can't. You would have to convert the JPG into a BMP first, then draw on > it, then convert it back into a JPG again. The problem is that JPG is a > lossy format. The more you alter it, the more image quality it loses. > > > Gambit > >
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d0fc,57413bdb9b690d15 X-Google-Attributes: gid10d0fc,public Reply-To: "Mario Sernicola" <mariosernicola@nospam.libero.it> From: "Mario Sernicola" <mariosernicola@nospam.libero.it> Newsgroups: borland.public.cppbuilder.multimedia References: <40bcd795$1@newsgroups.borland.com> <40bd02cb@newsgroups.borland.com> Subject: Re: How to draw into a jpeg image Date: Wed, 2 Jun 2004 09:48:56 +0200 Lines: 23 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 NNTP-Posting-Host: 80.181.138.15 Message-ID: <40bd8664$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1086162532 80.181.138.15 (2 Jun 2004 00:48:52 -0700) Path: arc1-ca.pugleaf.net!controlnews3.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