In JDK1.4, you'll find that you will get the correct results. We fixed
bug 4202347 -- Add bounds checking to all get/set methods for SampleModel/
Raster methods.
jeannette
> Delivered-To: [EMAIL PROTECTED]
> X-Priority: 3 (Normal)
> Mime-Version: 1.0
> Date: Wed, 28 Nov 2001 10:00:37 -0600
> From: Mike Robinson <[EMAIL PROTECTED]>
> Subject: Re: [JAVA2D] BufferedImage
> To: [EMAIL PROTECTED]
>
> Scott,
>
> When I run your code I get back the expected results. Here's the console
output.
>
> Bad
> Bad
> Good
> Bad
> Good
> Good
> Bad
> Good
> Good
>
> I am using jdk1.3 and, of course, substituted my own image.
>
> -Mike
>
> 11/28/01 7:40:31 AM, Scott Wong <[EMAIL PROTECTED]> wrote:
>
> >>> Now if C is >my central pixel (0,0), I should get back 3 Xs and C,
>>however if I run the code below, I get back the wrong
> answer.
> >>>
> >>> applyKernel(0,0);
> >>>
> >>> public void applyKernel(int x, int y) {
> >>> for(int i=-1; i<2; i++) {
> >>> for(int j=-1; j<2; j++) {
> >>> try {
> >>> aBufferedImage.getRGB(i + x, j + y);
> >>> System.out.println("Good");
> >>> }
> >>> catch(ArrayIndexOutOfBoundsException e) {
> >>> System.out.println("Bad");
> >>> }
> >>> }
> >>> }
> >>> }
> >
> >>Scott,
> >
> >>What answer do you get back?? Does the ArrayIndexOutOfBoundsException get
>thrown when you try to use getRGB with (-1,-
> 1)?
> >
> >>-Mike Robinson
> >
> >Nope, (-1, -1) works and I get back some pixel value when I should have
gotten back the printed statement "Bad" :(
> >
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>
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