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https://issues.apache.org/jira/browse/FOP-3135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17807785#comment-17807785
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João André Gonçalves commented on FOP-3135:
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It's all related so it's fine they stay together.
> SVG <tspan> content is displayed on a single line without spaces
> ----------------------------------------------------------------
>
> Key: FOP-3135
> URL: https://issues.apache.org/jira/browse/FOP-3135
> Project: FOP
> Issue Type: Bug
> Components: image/svg
> Reporter: Julien Lacour
> Priority: Minor
> Attachments: MI-Calibri-test.pdf, MI-out-patch.pdf, MI-out.pdf,
> MI-test.fo, MI-tspan.svg, MI.patch, WIP-out.pdf, WIP.patch, tspan.svg
>
>
> We have found an issue in FOP when transforming PDFs with SVGs containing
> <tspan> with multiple @x and/or @y attributes values.
> The problem is located in
> org.apache.fop.svg.PDFTextPainter.writeGlyphs(FOPGVTGlyphVector,
> GeneralPath), the positions given by x and y are never used when set.
> A possible fix for this issue is the following:
> {code:java}
> for (int i = 0, n = gv.getNumGlyphs(); i < n; i++) {
> int gc = gv.getGlyphCode(i);
> int[] pa = ((i > dp.length) || (dp[i] == null)) ?
> paZero : dp[i];
> if (gv.getGlyphPosition(i) != null) {
> Point2D gp = gv.getGlyphPosition(i);
> double x = gp.getX() - initialPos.getX();
> double y = -(gp.getY() - initialPos.getY());
> double xd = x - xoLast;
> double yd = y - yoLast;
> textUtil.writeTd(xd, yd);
> textUtil.writeTj((char) gc, true, false);
> xc = x + pa[2];
> yc = y + pa[3];
> xoLast = x;
> yoLast = y;
> } else {
> double xo = xc + pa[0];
> double yo = yc + pa[1];
> double xa = f.getWidth(gc);
> double ya = 0;
> double xd = (xo - xoLast) / 1000f;
> double yd = (yo - yoLast) / 1000f;
>
> textUtil.writeTd(xd, yd);
> textUtil.writeTj((char) gc, true, false);
> xc += xa + pa[2];
> yc += ya + pa[3];
> xoLast = xo;
> yoLast = yo;
> }
> }
> {code}
> I also attached an example for testing, it can be opened in Batik for
> comparison.
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