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| author | Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com> | 2015-08-17 17:59:06 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com> | 2015-09-02 09:11:31 +0000 |
| commit | 54dbdc26bacd3ab776c99ebef734404ef2e08ce5 (patch) | |
| tree | 6c3d5614ea3beefd023ab0a259ecf207655ba2ce /src/gui/text/qfontengine_ft_p.h | |
| parent | ba94e26b8b233456b004084892464ec55b20800c (diff) | |
Move min left/right bearing calculations to QFontEngine baseclass
The logic used in the FreeType font engine can be generalized
and move to the QFontEngine baseclass. This allows the CoreText
font engine to correctly report the minimum left/right bearings,
which decreases the chance that an optimization in QTextLayout's
line breaking algorithm will produce wrong results.
The calculation of left and right bearing has been moved to the
glyph_metrics_t type to reduce code duplication. This allows us
to use the with and height of the bounding box to determine if
the glyph has any contours.
Change-Id: I864697d3f31ed56f22f04666199b6c5023c5e585
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
Diffstat (limited to 'src/gui/text/qfontengine_ft_p.h')
| -rw-r--r-- | src/gui/text/qfontengine_ft_p.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/src/gui/text/qfontengine_ft_p.h b/src/gui/text/qfontengine_ft_p.h index b81e51bf2e..83f9a4ef3d 100644 --- a/src/gui/text/qfontengine_ft_p.h +++ b/src/gui/text/qfontengine_ft_p.h @@ -208,8 +208,6 @@ private: virtual QFixed averageCharWidth() const Q_DECL_OVERRIDE; virtual qreal maxCharWidth() const Q_DECL_OVERRIDE; - virtual qreal minLeftBearing() const Q_DECL_OVERRIDE; - virtual qreal minRightBearing() const Q_DECL_OVERRIDE; virtual QFixed lineThickness() const Q_DECL_OVERRIDE; virtual QFixed underlinePosition() const Q_DECL_OVERRIDE; @@ -324,8 +322,6 @@ private: int xsize; int ysize; - mutable QFixed lbearing; - mutable QFixed rbearing; QFixed line_thickness; QFixed underline_position; |