Search found 5 matches

by steved
2012-05-31T10:37:08-07:00
Forum: MagickWand
Topic: no pixels defined in cache
Replies: 8
Views: 22448

Re: no pixels defined in cache

The problem is indeed gone in 6.7.7-5. Do you care to speculate what the issue was? In any case, thanks for the quick response.
by steved
2012-05-31T09:21:57-07:00
Forum: MagickWand
Topic: no pixels defined in cache
Replies: 8
Views: 22448

Re: no pixels defined in cache

Here's the test program: // Last updated 2008/11/04 10:53 // convert logo: -filter lanczos -resize 50% -quality 95 logo_resize.jpg // Read an image, resize it by 50% and sharpen it, and then save as // a high quality JPG // Note that ImageMagick's default quality is 75. //#include <windows.h> #inclu...
by steved
2012-05-30T17:14:04-07:00
Forum: MagickWand
Topic: no pixels defined in cache
Replies: 8
Views: 22448

Re: no pixels defined in cache

I've tracked the issue down. When I do a MagickReadImage, I can see the exception thrown, but then if I immediately do a MagickGetException, the Exception returned is 0. Then I do a bunch of misc. manipulations. Then I do another MagickGetException (getting a 0 back), a MagickWriteImages that return...
by steved
2012-05-30T08:49:00-07:00
Forum: MagickWand
Topic: no pixels defined in cache
Replies: 8
Views: 22448

Re: no pixels defined in cache

The error seems to be happening because either the image columns or rows is 0. It happens in cache.c at this line (3992) if ((image->columns == 0) || (image->rows == 0)) ThrowBinaryException(CacheError,"NoPixelsDefinedInCache",image->filename); This happens after writeimages completes properly and t...
by steved
2012-05-25T17:08:42-07:00
Forum: MagickWand
Topic: no pixels defined in cache
Replies: 8
Views: 22448

no pixels defined in cache

I built a Linux binary from the IM 6.7.7-0 source tree. I observed the result from configure that jpeg was included. I load the MagickWand library in Java using JNA and try to read a jpeg image. I get the following error: no pixels defined in cache `/home/steved/Imgc/unreadable.jpg' @ error/cache.c/...