Legacy ImageMagick Discussions Archive

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.

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 ...

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 ...

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 ...

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 ...