On Thu, 10 Mar 2005 11:29:37 -0500, Gili wrote:
> The fact that it is transient does not solve the problem I
>mentioned. What I am saying is that if I render the exact same corner
>multiple times (by hitting refresh on my browser 1000 times) then
>render(Graphics2D) will get triggered 1000 times and I will have to
>repaint it. What I am saying is that I know for a fact when the image
>needs to be regenerated and when it should use the cached version and
>RenderedDynamicImageResource does not give me the capability to do much
>about it. The most I can do is g2d.drawImage(cachedImage) I guess but I
>doubt it is as efficient as just giving it the BufferedImage
>directly... I don't want to be cloning the image contents on every
>rendering if I don't have to.
Hmm, here's a pretty simple solution: add
RenderedDynamicImageResource.isChanged(). If it returns false, use the
cached image in the transient variable. Always invoke isChanged()
before render(Graphics2D). This would work for me. Would it work for
you?
Gili
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