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http://www.openoffice.org/issues/show_bug.cgi?id=88269
------- Additional comments from [EMAIL PROTECTED] Sun Apr 27 17:40:16 +0000
2008 -------
@hdu: I am checking this issue with DEV300_m10 and I found the following code in
vcl/win/source/gdi/salgdi3.cxx. When I commented this code out and tried my
build, I could confirm the extra space was gone.
Now, I am trying to get more information on the reason we introduced this hack,
but the issue number 107888 seems to be Sun internal. May I get more information
on it?
// #107888# improved metric compatibility for Asian fonts...
// TODO: assess workaround below for CWS >= extleading
// TODO: evaluate use of aWinMetric.sTypo* members for CJK
if( mpWinFontData[0] && mpWinFontData[0]->SupportsCJK() )
{
pMetric->mnIntLeading += pMetric->mnExtLeading;
// #109280# The line height for Asian fonts is too small.
// Therefore we add half of the external leading to the
// ascent, the other half is added to the descent.
const long nHalfTmpExtLeading = pMetric->mnExtLeading / 2;
const long nOtherHalfTmpExtLeading = pMetric->mnExtLeading -
nHalfTmpExtLeading;
// #110641# external leading for Asian fonts.
// The factor 0.3 has been confirmed with experiments.
long nCJKExtLeading = static_cast<long>(0.30 * (pMetric->mnAscent +
pMetric->mnDescent));
nCJKExtLeading -= pMetric->mnExtLeading;
pMetric->mnExtLeading = (nCJKExtLeading > 0) ? nCJKExtLeading : 0;
pMetric->mnAscent += nHalfTmpExtLeading;
pMetric->mnDescent += nOtherHalfTmpExtLeading;
// #109280# HACK korean only: increase descent for wavelines and impr
if( !aSalShlData.mbWNT )
if( mpWinFontData[0]->SupportsKorean() )
pMetric->mnDescent += pMetric->mnExtLeading;
}
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