diff options
| -rw-r--r-- | svtools/source/config/optionsdrawinglayer.cxx | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/svtools/source/config/optionsdrawinglayer.cxx b/svtools/source/config/optionsdrawinglayer.cxx index c615a2f6b6a0..43a1d68544f5 100644 --- a/svtools/source/config/optionsdrawinglayer.cxx +++ b/svtools/source/config/optionsdrawinglayer.cxx @@ -32,12 +32,6 @@ namespace SvtOptionsDrawinglayer { -// helper -bool IsAAPossibleOnThisSystem() -{ - return !Application::GetDefaultDevice()->SupportsOperation( OutDevSupportType::TransparentRect ); -} - bool IsOverlayBuffer() { return officecfg::Office::Common::Drawinglayer::OverlayBuffer::get(); @@ -126,19 +120,36 @@ sal_uInt32 GetMaximumPaperBottomMargin() } static std::mutex gaAntiAliasMutex; -static bool bAntiAliasingInit = false; -static bool bAntiAliasing = false; +static bool gbAntiAliasingInit = false; +static bool gbAntiAliasing = false; +static bool gbAllowAAInit = false; +static bool gbAllowAA = false; -bool IsAntiAliasing() +bool IsAAPossibleOnThisSystem() { std::lock_guard aGuard(gaAntiAliasMutex); - if (!bAntiAliasingInit) + if (!gbAllowAAInit) + { + gbAllowAAInit = true; + gbAllowAA = Application::GetDefaultDevice()->SupportsOperation( OutDevSupportType::TransparentRect ); + } + return gbAllowAA; +} + + +bool IsAntiAliasing() +{ + bool bAntiAliasing; { - bAntiAliasingInit = true; - bAntiAliasing = officecfg::Office::Common::Drawinglayer::AntiAliasing::get() - && IsAAPossibleOnThisSystem(); + std::lock_guard aGuard(gaAntiAliasMutex); + if (!gbAntiAliasingInit) + { + gbAntiAliasingInit = true; + gbAntiAliasing = officecfg::Office::Common::Drawinglayer::AntiAliasing::get(); + } + bAntiAliasing = gbAntiAliasing; } - return bAntiAliasing; + return bAntiAliasing && IsAAPossibleOnThisSystem(); } /** @@ -156,7 +167,7 @@ void SetAntiAliasing( bool bOn, bool bTemporary ) officecfg::Office::Common::Drawinglayer::AntiAliasing::set(bOn, batch); batch->commit(); } - bAntiAliasing = bOn; + gbAntiAliasing = bOn; } |