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http://www.openoffice.org/issues/show_bug.cgi?id=103400
Issue #|103400
Summary|PDF horizontal layout bug when glyphs are out of order
Component|gsl
Version|DEV300m49
Platform|All
URL|
OS/Version|All
Status|UNCONFIRMED
Status whiteboard|
Keywords|
Resolution|
Issue type|DEFECT
Priority|P3
Subcomponent|code
Assigned to|kstribley
Reported by|kstribley
------- Additional comments from kstrib...@openoffice.org Wed Jul 8 05:20:43
+0000 2009 -------
Some glyphs in a PDF export are displaced with Burmese text using the Padauk
font.
The fix for i100522 uses an abs to fix the problem with 180 degree rotated text.
This assumes that the glyphs are strictly in left to right order. However, the
abs also takes affect when you have a negative advance between two glyphs with
zero rotation causing incorrect positioning. A better fix would be to invert the
sign of the correction only in the case where the angle is really 180 (PI).
Index: vcl/source/gdi/pdfwriter_impl.cxx
===================================================================
--- vcl/source/gdi/pdfwriter_impl.cxx (revision 272475)
+++ vcl/source/gdi/pdfwriter_impl.cxx (working copy)
@@ -6680,7 +6680,9 @@
appendHex( rGlyphs[nPos].m_nMappedGlyphId, aUnkernedLine );
// check for adjustment
double fTheoreticalGlyphWidth = rGlyphs[nPos].m_aPos.X() -
rGlyphs[nPos-1].m_aPos.X();
- fTheoreticalGlyphWidth = fabs( fTheoreticalGlyphWidth ); //
#i100522# workaround until #i87686# gets fixed
+ // #i100522# workaround until #i87686# gets fixed
+ if (fAngle > M_PI - 0.005 && fAngle < M_PI + 0.005)
+ fTheoreticalGlyphWidth = -fTheoreticalGlyphWidth;
fTheoreticalGlyphWidth = 1000.0 * fTheoreticalGlyphWidth / fXScale
/ double(nPixelFontHeight);
sal_Int32 nAdjustment = rGlyphs[nPos-1].m_nNativeWidth -
sal_Int32(fTheoreticalGlyphWidth+0.5);
if( nAdjustment != 0 )
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