Review Request: fix saving of percentage values in gradients.

[Thorsten Zachmann]

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http://git.reviewboard.kde.org/r/104980/
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Review request for Calligra.


Description
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Fix saving of precentage values in gradient styles.

When saving the file odf/odp/114096.odp from calligratests invalid xml is generated:

[11:37:25]: [odf/odp/114096.odp] INVALIDSTYLESXML: (unknown file):62: error: value of attribute "svg:x2" is invalid; must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)%" or must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)((cm)|(mm)|(in)|(pt)|(pc)|(px))" (unknown file):62: error: value of attribute "svg:y1" is invalid; must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)%" or must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)((cm)|(mm)|(in)|(pt)|(pc)|(px))" (unknown file):65: error: value of attribute "svg:x2" is invalid; must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)%" or must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)((cm)|(mm)|(in)|(pt)|(pc)|(px))" (unknown file):65: error: value of attribute "svg:y1" is invalid; must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)%" or must be a string matching the regular expression "-?([0-9]+(\.[0-9]*)?|\.[0-9]+)((cm)|(mm)|(in)|(pt)|(pc)|(px))"

The problem is that the gradient attributes are saved like:

    <svg:linearGradient draw:name="gradient3" svg:spreadMethod="pad" svg:x1="100%" svg:x2="-6.66134e-14%" svg:y1="5.55112e-14%" svg:y2="100%">
      <svg:stop svg:offset="0" svg:stop-color="#cc3300"/>
      <svg:stop svg:offset="1" svg:stop-color="#c7a309"/>
    </svg:linearGradient>

however e-14 is not alloed in the value for precent.

This patch adds a new function to add percent attributes that takes care of using the correct format.


Diffs
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  libs/odf/KoGenStyle.h 8c469d6 
  libs/odf/KoGenStyle.cpp b3ac9d8 
  libs/odf/KoOdfGraphicStyles.cpp 0776848 

Diff: http://git.reviewboard.kde.org/r/104980/diff/


Testing
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Tested with the 114096 and the above error is gone.


Thanks,

Thorsten Zachmann

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