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branch: Fix bug #7187: Font painting problems with emulated scaling.

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When creating the QFontMetrics object, we should specify a QPaintDevice. 0 is a paint device which is screen-compatible or pixmap-compatible. This makes sure that the correct DPI is used in font metrics calculations.

see r37030, and http://bugreports.qt.nokia.com/browse/QTBUG-16331.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@37036 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2010-12-29 14:25:15 +00:00
parent 5738192a31
commit b4306a687a
2 changed files with 5 additions and 2 deletions
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4
src/frontends/qt4/GuiFontMetrics.cpp
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@ -49,13 +49,13 @@ static inline QChar const ucs4_to_qchar(char_type const ucs4)
// See comment in QLPainter::text() for more explanation.
GuiFontMetrics::GuiFontMetrics(QFont const & font)
: metrics_(font), smallcaps_metrics_(font), smallcaps_shape_(false)
: metrics_(font, 0), smallcaps_metrics_(font), smallcaps_shape_(false)
{
}
GuiFontMetrics::GuiFontMetrics(QFont const & font, QFont const & smallcaps_font)
: metrics_(font), smallcaps_metrics_(smallcaps_font), smallcaps_shape_(true)
: metrics_(font, 0), smallcaps_metrics_(smallcaps_font), smallcaps_shape_(true)
{
}

3
status.16x
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@ -81,6 +81,9 @@ What's new
- Fix crash when removing a math macro argument while instant preview
is active (bug 7090).
- Fix the painting of the workarea for a non-standard DPI and using
emulated scaling on Windows Vista and Windows 7 (bug 7187).
- Fix insertion of a user math macro through the math-insert lfun when a
selection is present (bug 6939).