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  1. PDFBox
  2. PDFBOX-2156

different shading patterns at different resolutions when ctm is null

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      Description

      The attached file renders incorrectly except at 72dpi; at other resolutions, there are different results that get worse as the resolution gets higher. For shading types 2 and 3, this effect happens only in the 1.8 versions, not in the 2.0 version. For shading types 4 and up, it happens in both 1.8 and 2.0.

      The reason is that the transformation is incomplete if the ctm is null.

      I found the file here and it was created by Matthias Kramm:
      https://github.com/jdapena/swftools/tree/master/spec

        Attachments

        1. swftools-gradients1.jpg
          130 kB
          Tilman Hausherr
        2. swftools-gradients.pdf
          4 kB
          Tilman Hausherr
        3. pattern-shading-2-4-noMatrix.pdf
          6 kB
          Tilman Hausherr

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            • Assignee:
              tilman Tilman Hausherr
              Reporter:
              tilman Tilman Hausherr
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