Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #15452

Re: ImageIO/BufferedImage behaving inconsistently from one day to the next.

From Knute Johnson <nospam@knutejohnson.com>
Newsgroups comp.lang.java.programmer
Subject Re: ImageIO/BufferedImage behaving inconsistently from one day to the next.
Date 2012-06-20 08:39 -0700
Organization A noiseless patient Spider
Message-ID <jrsqrq$td1$1@dont-email.me> (permalink)
References <jrrcl4$f5v$3@dont-email.me>

Show all headers | View raw


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.

>          co.filter(img,dest);
>          return dest;
>      }
> ...
> }
>


-- 

Knute Johnson

Back to comp.lang.java.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

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

csiph-web