how to get one image's size (width and height) in java or jsp?

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2 total messages Started by jony zhang Wed, 16 Apr 2003 03:00

#670

Author: jony zhang
Date: Wed, 16 Apr 2003 03:00

5 lines
1145 bytes

hi all:
    how to get one image's size (width and height) in java or jsp? are there
some APIS to do this? please tell me how to do it.thanks.

jony

Re: how to get one image's size (width and height) in java or jsp?

#674

Author: John McGrath TeamB
Date: Thu, 17 Apr 2003 04:02

18 lines
1502 bytes

On Wed, 16 Apr 2003 11:00:02 +0800, jony zhang wrote:

> how to get one image's size (width and height) in java or jsp? 
> are there some APIS to do this? please tell me how to do it.

You need to make sure that the image has been loaded in order to get 
its dimensions.  One way to do this is to use a MediaTracker.  After it 
has been loaded, the getWidth() and getHeight() methods should return 
the dimensions of the image.

-- 
Regards,

John McGrath [TeamB]

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