Hello Martin, >What is the Original Image datatype (jpeg,gif,bmp?) which is represented >by Image >Taglib ver1.2?
yes, it could be jpeg,gif,bmp,png >So we get down to the question of what is an image? >Is it a bmp/jpeg/gif that has fixed attributes >(width,height,bitdepth,forecolor,backcolor) >or is it something we draw and later capture as in 2) it is something you can draw (java.awt.Graphics) that will be rendered (encoded) as JPEG for output "Martin" <[EMAIL PROTECTED]> wrote: >Dmitry- >In the simplest case you can probably use existing the TagLib you referred >to >http://www.servletsuite.com/servlets/jpegtag.htm >The problem here is >What is the Original Image datatype (jpeg,gif,bmp?) which is represented by >Image Taglib ver1.2? >1)if stored as JPEG format ><%@ taglib uri="taglib.tld" prefix="im" %> > ><im:convertImage sourceFile="c:/pictures/picture.jpg" >targetFile="c:/pictures/picture125x125.jpg" width="125" height="125"/> > >in this case we are done.. > >Then again is it a >2)Java graphics object which can be called up later >e.g. >For example, suppose you have the following definition in file pic.jsp: > ><%@ page import="java.awt.*" %> ><%@ taglib uri="taglib.tld" prefix="pic" %> > ><pic:JPEG width="125" height="125"> > <% > graphics.setColor(Color.blue); > graphics.fillRect(0,0,125,125); > graphics.setColor(Color.yellow); > graphics.drawString("Hello",30,60); > %> ></pic:JPEG> >In this example Java code in tag's body draws blue rectangle and writes in >yellow Hello. You may use pic.jsp in your JSP/HTML code as a source for >image: <img src="pic.jsp" width=125 height=125> >this would be the simplest implementation for declaring a graphics object >and then referring to it later in code > >So we get down to the question of what is an image? >Is it a bmp/jpeg/gif that has fixed attributes >(width,height,bitdepth,forecolor,backcolor) >or is it something we draw and later capture as in 2) > >There are so many libraries out which render images that one has to narrowly >focus on >a)Image Datatype Used >b)Finite # of attributes you can set 2D/3D >This actually works well when encapsulating in a TagLib.. >could you imagine while drawing the morphing cop from T2 and then >encapsulating ALL of its functionality >into a Tag??? >-its running/shooting/talking/stabbing >-it is a SecurityGuard/Housewife/Cop/A piece of liquid metal puring thru a >hole in the glass >-is has holes in its chest/long steel arms/shoes that meld with other steel > >maybe if we knew a bit more of the specific image you are rendering I could >be of greater assistance, > >Martin > >----- Original Message ----- >From: "Dmitry Namiot" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Saturday, February 08, 2003 12:45 AM >Subject: Re: Dynamic jpeg generation > > >> >Has anybody worked on dynamic generation of jpeg, gif images using some >>API? >> >How can it be done? I need to use one such thing. >> >Thanks in advance. >> >> See for example Jpeg taglib from Coldtags suite: >> http://www.servletsuite.com/jsp.htm >> >> >> >> >> >> -- >> Coldbeans Software - server-side Java (tm) components >> http://www.servletsuite.com >> >> >> __________________________________________________________________ >> The NEW Netscape 7.0 browser is now available. Upgrade now! >http://channels.netscape.com/ns/browsers/download.jsp >> >> Get your own FREE, personal Netscape Mail account today at >http://webmail.netscape.com/ >> >> >=========================================================================== >> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff >JSP-INTEREST". >> For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST >DIGEST". >> >> Some relevant archives, FAQs and Forums on JSPs can be found at: >> >> http://java.sun.com/products/jsp >> http://archives.java.sun.com/jsp-interest.html >> http://forums.java.sun.com >> http://www.jspinsider.com >> > -- Coldbeans Software - server-side Java (tm) components http://www.servletsuite.com __________________________________________________________________ The NEW Netscape 7.0 browser is now available. Upgrade now! http://channels.netscape.com/ns/browsers/download.jsp Get your own FREE, personal Netscape Mail account today at http://webmail.netscape.com/ =========================================================================== To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
