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https://issues.apache.org/jira/browse/PDFBOX-1931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922307#comment-13922307
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John Hewson edited comment on PDFBOX-1931 at 3/6/14 11:02 AM:
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Looking at getXScale() it doesn't match its description, the x-scaling factor
of the matrix is element 0. Iinstead it computes something which is not the
x-scaling factor:
{code}
xScale = (float)Math.sqrt(Math.pow(single[0], 2)+
Math.pow(single[1], 2));
{code}
Where {{single\[0]}} is x-scale and {{single\[1]}} is x-shear, the result is
apparently the magnitude of the vector these form.
Given that TextPosition is the only class which uses getXScale() and its value
is never used anywhere I suspect that something is amiss.
was (Author: jahewson):
Looking at getXScale() it doesn't match its description, the x-scaling factor
of the matrix is element 0.
But instead it computes something which is not the x-scaling factor
{code}
xScale = (float)Math.sqrt(Math.pow(single[0], 2)+
Math.pow(single[1], 2));
{code}
Where single\[0] is x-scale and single\[1] is x-shear, the is apparently the
magnitude of the vector these form.
Given that TextPosition is the only class which uses getXScale() and its value
is never used anywhere I suspect that something is amiss.
> Radial shading is missing
> -------------------------
>
> Key: PDFBOX-1931
> URL: https://issues.apache.org/jira/browse/PDFBOX-1931
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: John Hewson
> Labels: shading, shadingpattern
> Attachments: pdfbox-1931.pdf-1.png, uniekekans_test.pdf
>
>
> The attached file contains a radial shading fill which is missing.
> RadialShadingContext#calculateInputValues is returning NaN which seems to be
> incorrect.
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