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Spotlight Features

The Rich Engineering Heritage Behind Dependency Injection

Andrew McVeigh takes us on a tour of the rich heritage behind dependency injection, what it represents, and tells us why its here to stay.
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Replies: 20 - Pages: 2   [ Previous | 1 2 ]
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15. At 5:41 AM on Mar 5, 2007, Oliver Wahl Javalobby Newcomers wrote:

Re: Simple SWT Reflection Effect Demo

You have that update already? I was looking round the net for something just like that....
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16. At 12:19 PM on Mar 5, 2007, Daniel Spiewak Javalobby Junkies wrote:

Re: Simple SWT Reflection Effect Demo

> I'd be interested too.
>
> BTW: In case you are care,
> "image.getImageData().height" is expensive. It says,
> "Take a operating system ready to draw image, convert
> it into an operaing system independent bucket of
> bits, then ask for the height field, then throw it
> away". You could do "image.getBounds()" instead and
> save that in a local to access the width and height.
> You couldn't have known this so don't worry about
> it. I don't mean to be picky.
>
> Steve

Oh, don't be sorry. :-) I had a hunch that getImageData() probably wasn't the best way to go about it, but I haven't actually looked through the image API since 2.1 and even then it was a pretty quick perusal. Thanks for the heads up!
Daniel Spiewak
ActiveObjects: an Easier Java ORM; Fuse: Resource Injection for Java
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17. At 2:26 PM on Mar 5, 2007, Julian Summers Blooming Javalobby Member wrote:

Re: Simple SWT Reflection Effect Demo

I'm sure you must have come across many other examples of SWT code that could be simply rewritten to improve performance. How about an anti-snippets page, to compliment the SWT snippets, with similar examples.

Anyway, just a thought.
Julian Summers
Snefru Limited http://www.snefru.com
Makers of SQLCreator the SQL Query Tool
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18. At 12:18 AM on Mar 12, 2007, Matthew Hall Javalobby Junkies wrote:

Re: Simple SWT Reflection Effect Demo

> > I've reworked the code with painting problems
> fixed
> > (and my other suggestions implemented). Would
> you
> > like a copy?
>
> Yes, definitely! :-) I'll post it as an update on
> the blog so that people are able to take advantage of
> your contributions.
>
> In the mean time, I'm working on some ideas for alpha
> compositing in SWT. I'll post them when I've got
> something working.

Daniel,

Sorry it took so long, I just got wrapped up in things at EclipseCon and forgot about this. I was doing some experimentation on the reflection demo so I'll have to back that off before I upload it to the thread.

BTW, is there a way to subscribe to a specific thread on EZ for e-mail delivery? Specifically I'd like a way to have threads that I comment on just automatically start sending me updates so I can keep up on the discussion. I looked in the "Your Profile" area, and also looked for a "subscribe to this thread" type link but didn't find anything. Am I missing something?

Matthew
PaperClips Printing Library for SWT
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19. At 12:57 AM on Mar 12, 2007, Matthew Hall Javalobby Junkies wrote:

Re: Simple SWT Reflection Effect Demo

Daniel,

The updated code (including for Steve's comment on ImageData.width vs Image.getBounds().width) is attached to this post. Enjoy!

Matthew
PaperClips Printing Library for SWT
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20. At 6:08 AM on Jul 19, 2008, Laurent Mihalkovic Javalobby Newcomers wrote:

Re: Simple SWT Reflection Effect Demo

I have been playing with some code that does the same things without some of the problems other people have encountered.

http://blog.laurentm.com/2008/07/advanced-swt-graphics/
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