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Groups > comp.lang.java.programmer > #15472
| From | Fred Greer <fggreer@nospam.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. |
| Date | 2012-06-21 00:23 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <jrtpi8$i87$11@dont-email.me> (permalink) |
| References | <jrrcl4$f5v$3@dont-email.me> <jrsqrq$td1$1@dont-email.me> |
On Wed, 20 Jun 2012 08:39:37 -0700, Knute Johnson wrote:
> On 6/19/2012 7:31 PM, Fred Greer wrote:
>> I have code that used to work perfectly, which processes images in
>> certain ways, and today it suddenly was not working. I hadn't changed
>> the code at all. I tracked the problem down to spurious
>> IllegalArgumentExceptions being thrown by this code:
>>
>> public class ImageUtils {
>>
>> private static float[] BLUR = {0.1111111, 0.1111111, 0.1111111,
>> 0.1111111, 0.1111111, 0.1111111,
>> 0.1111111, 0.1111111, 0.1111111}
>> ...
>> public static BufferedImage blur (BufferedImage img) {
>> Kernel k = new Kernel(3, 3, BLUR);
>> ConvolveOp co = new ConvolveOp(k, ConvolveOp.EDGE_NO_OP,
>> null); BufferedImage dest = new BufferedImage(img.getWidth(),
>> img.getHeight(),img.getType());
>
> Please try just putting BufferedImage.TYPE_INT_ARGB here instead of
> getting the type from the other image and tell us what happens.
Are 32-bit PNGs loaded via ImageIO.read guaranteed to be ARGB, or at
least compatible with ARGB destination images for the purposes of
ConvolveOp and friends?
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ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-20 02:31 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. markspace <-@.> - 2012-06-19 19:38 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-20 03:07 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. markspace <-@.> - 2012-06-19 20:22 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. "John B. Matthews" <nospam@nospam.invalid> - 2012-06-20 14:26 -0400
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Patricia Shanahan <pats@acm.org> - 2012-06-19 20:38 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-20 04:08 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Roedy Green <see_website@mindprod.com.invalid> - 2012-06-20 01:16 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Joerg Meier <joergmmeier@arcor.de> - 2012-06-20 11:44 +0200
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-21 00:22 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Knute Johnson <nospam@knutejohnson.com> - 2012-06-20 08:39 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-21 00:23 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Knute Johnson <nospam@knutejohnson.com> - 2012-06-20 21:23 -0700
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Fred Greer <fggreer@nospam.invalid> - 2012-06-21 04:58 +0000
Re: ImageIO/BufferedImage behaving inconsistently from one day to the next. Knute Johnson <nospam@knutejohnson.com> - 2012-06-21 05:58 -0700
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