diff options
Diffstat (limited to 'vcl/source/gdi/graph.cxx')
| -rw-r--r-- | vcl/source/gdi/graph.cxx | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/vcl/source/gdi/graph.cxx b/vcl/source/gdi/graph.cxx index 344c2e6835ea..5c23e0acabdd 100644 --- a/vcl/source/gdi/graph.cxx +++ b/vcl/source/gdi/graph.cxx @@ -37,8 +37,8 @@ static void ImplDrawDefault( OutputDevice* pOutDev, const OUString* pText, vcl::Font* pFont, const Bitmap* pBitmap, const BitmapEx* pBitmapEx, const Point& rDestPt, const Size& rDestSize ) { - sal_uInt16 nPixel = (sal_uInt16) pOutDev->PixelToLogic( Size( 1, 1 ) ).Width(); - sal_uInt16 nPixelWidth = nPixel; + sal_uInt16 nPixel = (sal_uInt16) pOutDev->PixelToLogic( Size( 1, 1 ) ).Width(); + sal_uInt16 nPixelWidth = nPixel; Point aPoint( rDestPt.X() + nPixelWidth, rDestPt.Y() + nPixelWidth ); Size aSize( rDestSize.Width() - ( nPixelWidth << 1 ), rDestSize.Height() - ( nPixelWidth << 1 ) ); bool bFilled = ( pBitmap != nullptr || pBitmapEx != nullptr || pFont != nullptr ); @@ -407,6 +407,28 @@ void Graphic::SetPrefMapMode( const MapMode& rPrefMapMode ) mpImpGraphic->ImplSetPrefMapMode( rPrefMapMode ); } +basegfx::B2DSize Graphic::GetPPI() const +{ + MapMode aMapMode = GetPrefMapMode(); + + double fWidthInches = ( GetPrefSize().Width() * aMapMode.GetUnitMultiplier() ) / 2540; + double fHeightInches = ( GetPrefSize().Height() * aMapMode.GetUnitMultiplier() ) / 2540; + double fPpiX = 0; + double fPpiY = 0; + + if ( fWidthInches > 0 || fHeightInches > 0 ) // we don't want a divide by 0 situation + { + fPpiX = GetSizePixel().Width() / fWidthInches; + fPpiY = GetSizePixel().Height() / fHeightInches; + } + else + { + SAL_WARN("vcl", "PPI X is " << fPpiX << " and PPI Y is " << fPpiY << ": thus we are making this 0 DPI. This is unlikely."); + } + + return basegfx::B2DSize( fPpiX, fPpiY ); +} + Size Graphic::GetSizePixel( const OutputDevice* pRefDevice ) const { Size aRet; |