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Posted to fop-dev@xmlgraphics.apache.org by "Joao Goncalves (Jira)" <ji...@apache.org> on 2025/01/27 17:59:00 UTC
[jira] [Commented] (FOP-3058) AFP-Renderer does not honour fill-rule 'nonzero' of SVG path.
[ https://issues.apache.org/jira/browse/FOP-3058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17921476#comment-17921476 ]
Joao Goncalves commented on FOP-3058:
-------------------------------------
While one is able to add SVG images to AFP, AFP doesn't really support svg. The fill-rule is not being respected because it's never taken into consideration.
> AFP-Renderer does not honour fill-rule 'nonzero' of SVG path.
> -------------------------------------------------------------
>
> Key: FOP-3058
> URL: https://issues.apache.org/jira/browse/FOP-3058
> Project: FOP
> Issue Type: Bug
> Components: image/svg, renderer/afp
> Affects Versions: 0.95, 2.7
> Reporter: JYR
> Priority: Major
> Attachments: GreenCrossAsAFP.png, GreenCrossAsPDF.png, TestWithSVGPath-1.7z
>
>
> Hi there,
> We have just isolated an interesting bug in the AFP renderer.
> We are embedding some SVG graphics in a FO file and the AFP renderer does not seem to take the "fill-rule" attribute into account.
> It seems to ignore the fill-rule 'nonzero' of our path and defaults to 'evenodd'.
> The PDF renderer does honour this fill-rule, but not the AFP renderer.
> We have isolated this issue in a test project. Just unpack [^TestWithSVGPath-1.7z]. All the necessary files are provided.
> This is the correct output of the PDF renderer
> !GreenCrossAsPDF.png!
> This is the output of the AFP renderer.
> !GreenCrossAsAFP.png!
> FOP integration:
> * We are calling FOP via java.exe.
> * FOP is configured with an xconf file.
> Expected:
> * The AFP-Renderer shall honour the 'fill-rule' attribute of the SVG path.
> * If the 'fill-rule' attribute is not specified, the AFP-Renderer shall default to 'nonzero'.
> Extract of FO-File
> {code:xml}
> <fo:instream-foreign-object>
> <svg width="46mm" height="46mm" version="1.1" viewBox="0 0 130.394 130.394" xmlns="http://www.w3.org/2000/svg">
> <g font-family="Helvetica,Arial,"Liberation Sans"" transform="translate(0 130.394)">
> <!-- Red background -->
> <path fill="red" shape-rendering="crispEdges" d="
> M56.693,-73.701
> h17.008
> v17.008h
> -17.008
> z"/>
> <!-- Green cross, vertical block first, then horizontal -->
> <path fill="green" fill-rule="nonzero" shape-rendering="crispEdges" d="
> M63.543,-70.709
> h 3.307
> v 11.024
> h -3.307
> z
> m-3.858,3.858
> h11.024
> v3.307
> h-11.024
> z
> "/>
> <!-- 2 Rectangles as workaround for Bug in AFP-Renderer -->
> <!-- <rect x="59.685" y="-66.85" width="11.024" height="3.307" fill="powderblue"/> -->
> <!-- <rect x="63.543" y="-70.709" height="11.024" width="3.307" fill="powderblue"/> -->
> </g>
> </svg>
> </fo:instream-foreign-object>
> {code}
> We spotted this bug with FOP version 0.95, but it still occurs with FOP 2.7.
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