Re: Drawing an Image in a JPanel

From:
"Andrew Thompson" <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.help
Date:
30 Aug 2006 06:17:46 -0700
Message-ID:
<1156943866.818172.190100@i3g2000cwc.googlegroups.com>
john wrote:

... using a JLabel would be 'wrong'. JLabel's
are good for 'get an image and show it' - but if
you need anything more than that (zooming/resizing,
cropping, flipping, filtering, color palette changing..)
a JLabel simply gets in the way.

....

Put first lets get precise on your requirements for this
project. What does it do?

....

That's exactly what I am aiming for - An Image editor that can perform
cropping, resizing, and flipping. What would be the best approach?


OK. While I am sure that a JLabel is the wrong component
for this use, I am ot entirely sure of the best design/approach,
and am hoping that others will jump in with further advice on
that matter.

Additional security question, does Java supports reading/writing image
files from the local HD while running as an Applet embedded in a web
page?


Yes. But only if the applet is signed and accepted as
'secure' code by the end user.

Applets are not for the faint-hearted, they will bring
you no end of trouble, and are suspected as a leading
cause of madness in Java GUI developers.

Would a web-launched *application* do the trick
for your end users? A WebStarted ('web launched')
Java application has a number of advantages over
the 'applet in a web page'. (Note that the project will
also need to be signed, to use this approach).

Andrew T.

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