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Disable and hide the pixmap cache feature

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This commit is contained in:
Jean-Marc Lasgouttes 2018-02-12 11:12:50 +01:00
parent 370ad4d704
commit e11c8ba81b
4 changed files with 8 additions and 20 deletions
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6
lib/RELEASE-NOTES
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@ -20,6 +20,10 @@
See chapter 3.9.1.1 "Dashes and Line Breaks" of the User Guide and See chapter 3.9.1.1 "Dashes and Line Breaks" of the User Guide and
"Caveats when upgrading from earlier versions to 2.3.x" below. "Caveats when upgrading from earlier versions to 2.3.x" below.
* The preference "Tools->Preferences->Look&Feel->Screen Fonts->Use
pixmap cache to speed up font rendering" is not available anymore.
It was of dubious value and led to rendering issues.
* The following UI translations were dropped, because the lack of translation * The following UI translations were dropped, because the lack of translation
maintenance: Russian, Danish, Greek, Serbian, Galician, Catalan, Romanian, maintenance: Russian, Danish, Greek, Serbian, Galician, Catalan, Romanian,
Dutch. Dutch.
@ -87,6 +91,8 @@
* \screen_zoom * \screen_zoom
This is now independent of the value set via buffer-zoom[-in|-out]. This is now independent of the value set via buffer-zoom[-in|-out].
* \use_pixmap_cache
The value of this variable is now ignored.
!!!The following new LyX functions have been introduced in 2.3: !!!The following new LyX functions have been introduced in 2.3:

18
lib/doc/UserGuide.lyx
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@ -46198,24 +46198,6 @@ reference "subsec:Document-Font"
. .
\end_layout \end_layout
\begin_layout Standard
With the option
\family sans
Use pixmap cache to speed up font rendering
\family default
enabled, \SpecialChar LyX
needs to redraw the screen less often.
This results in better performance, especially on slow systems.
On the other hand, the characters might look more fuzzy on screen.
So whether you enable this or not depends on whether you prefer speed over
aesthetics.
Note that the Pixmap Cache is only available and useful under Mac
\begin_inset space ~
\end_inset
OS and Windows.
\end_layout
\begin_layout Subsection \begin_layout Subsection
Colors Colors
\begin_inset Index idx \begin_inset Index idx

2
src/frontends/qt4/GuiPainter.cpp
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@ -50,7 +50,7 @@ const int Painter::thin_line = 1;
GuiPainter::GuiPainter(QPaintDevice * device, double pixel_ratio) GuiPainter::GuiPainter(QPaintDevice * device, double pixel_ratio)
: QPainter(device), Painter(pixel_ratio), : QPainter(device), Painter(pixel_ratio),
use_pixmap_cache_(lyxrc.use_pixmap_cache && USE_PIXMAP_CACHE) use_pixmap_cache_(false)
{ {
// new QPainter has default QPen: // new QPainter has default QPen:
current_color_ = guiApp->colorCache().get(Color_black); current_color_ = guiApp->colorCache().get(Color_black);

2
src/frontends/qt4/GuiPrefs.cpp
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@ -1137,7 +1137,7 @@ void PrefScreenFonts::updateRC(LyXRC const & rc)
#if defined(Q_WS_X11) || defined(QPA_XCB) #if defined(Q_WS_X11) || defined(QPA_XCB)
pixmapCacheCB->setEnabled(false); pixmapCacheCB->setEnabled(false);
#endif #endif
pixmapCacheCB->hide();
} }