diff options
| -rw-r--r-- | vcl/source/window/cursor.cxx | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/vcl/source/window/cursor.cxx b/vcl/source/window/cursor.cxx index 1968a26975b3..945789ad0cf6 100644 --- a/vcl/source/window/cursor.cxx +++ b/vcl/source/window/cursor.cxx @@ -44,8 +44,11 @@ struct ImplCursorData static void ImplCursorInvert( ImplCursorData* pData ) { vcl::Window* pWindow = pData->mpWindow; - PaintBufferGuard aGuard(pWindow->ImplGetWindowImpl()->mpFrameData, pWindow); - vcl::RenderContext* pRenderContext = aGuard.GetRenderContext(); + std::unique_ptr<PaintBufferGuard> pGuard; + const bool bDoubleBuffering = pWindow->SupportsDoubleBuffering(); + if (bDoubleBuffering) + pGuard.reset(new PaintBufferGuard(pWindow->ImplGetWindowImpl()->mpFrameData, pWindow)); + vcl::RenderContext* pRenderContext = bDoubleBuffering ? pGuard->GetRenderContext() : pWindow; Rectangle aPaintRect; bool bMapMode = pRenderContext->IsMapModeEnabled(); pRenderContext->EnableMapMode( false ); @@ -111,16 +114,19 @@ static void ImplCursorInvert( ImplCursorData* pData ) if ( pData->mnOrientation ) aPoly.Rotate( pData->maPixRotOff, pData->mnOrientation ); pRenderContext->Invert( aPoly, nInvertStyle ); - aPaintRect = aPoly.GetBoundRect(); + if (bDoubleBuffering) + aPaintRect = aPoly.GetBoundRect(); } } else { pRenderContext->Invert( aRect, nInvertStyle ); - aPaintRect = aRect; + if (bDoubleBuffering) + aPaintRect = aRect; } pRenderContext->EnableMapMode( bMapMode ); - aGuard.SetPaintRect(pRenderContext->PixelToLogic(aPaintRect)); + if (bDoubleBuffering) + pGuard->SetPaintRect(pRenderContext->PixelToLogic(aPaintRect)); } void vcl::Cursor::ImplDraw() |