diff options
Diffstat (limited to 'vcl/source/gdi/region.cxx')
| -rwxr-xr-x[-rw-r--r--] | vcl/source/gdi/region.cxx | 193 |
1 files changed, 184 insertions, 9 deletions
diff --git a/vcl/source/gdi/region.cxx b/vcl/source/gdi/region.cxx index cab1b6610d26..96e67aaabffa 100644..100755 --- a/vcl/source/gdi/region.cxx +++ b/vcl/source/gdi/region.cxx @@ -46,6 +46,8 @@ #include <basegfx/matrix/b2dhommatrix.hxx> #include <basegfx/polygon/b2dpolypolygontools.hxx> #include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolygonclipper.hxx> +#include <basegfx/polygon/b2dpolypolygoncutter.hxx> #include <basegfx/range/b2drange.hxx> #include <basegfx/matrix/b2dhommatrixtools.hxx> @@ -1376,6 +1378,28 @@ sal_Bool Region::Union( const Rectangle& rRect ) if ( rRect.IsEmpty() ) return sal_True; + if( HasPolyPolygon() ) + { + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + if( aThisPolyPoly.count() == 0 ) + { + *this = rRect; + return true; + } + + // get the other B2DPolyPolygon + basegfx::B2DPolygon aRectPoly( basegfx::tools::createPolygonFromRect( basegfx::B2DRectangle( rRect.Left(), rRect.Top(), rRect.Right(), rRect.Bottom() ) ) ); + basegfx::B2DPolyPolygon aOtherPolyPoly( aRectPoly ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationOr( aThisPolyPoly, aOtherPolyPoly ); + *this = Region( aClip ); + + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); // no instance data? -> create! @@ -1446,6 +1470,22 @@ sal_Bool Region::Intersect( const Rectangle& rRect ) return sal_True; } + else if( mpImplRegion->mpB2DPolyPoly ) + { + // #127431# make ImplRegion unique, if not already. + if( mpImplRegion->mnRefCount > 1 ) + { + mpImplRegion->mnRefCount--; + mpImplRegion = new ImplRegion( *mpImplRegion->mpB2DPolyPoly ); + } + + *mpImplRegion->mpB2DPolyPoly = + basegfx::tools::clipPolyPolygonOnRange( *mpImplRegion->mpB2DPolyPoly, + basegfx::B2DRange( rRect.Left(), rRect.Top(), + rRect.Right(), rRect.Bottom() ), + true, false ); + return sal_True; + } else ImplPolyPolyRegionToBandRegion(); @@ -1529,6 +1569,25 @@ sal_Bool Region::Exclude( const Rectangle& rRect ) if ( rRect.IsEmpty() ) return sal_True; + if( HasPolyPolygon() ) + { + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + if( aThisPolyPoly.count() == 0 ) + return sal_True; + + // get the other B2DPolyPolygon + basegfx::B2DPolygon aRectPoly( basegfx::tools::createPolygonFromRect( basegfx::B2DRectangle( rRect.Left(), rRect.Top(), rRect.Right(), rRect.Bottom() ) ) ); + basegfx::B2DPolyPolygon aOtherPolyPoly( aRectPoly ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationDiff( aThisPolyPoly, aOtherPolyPoly ); + *this = Region( aClip ); + + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); // no instance data? -> create! @@ -1571,6 +1630,28 @@ sal_Bool Region::XOr( const Rectangle& rRect ) if ( rRect.IsEmpty() ) return sal_True; + if( HasPolyPolygon() ) + { + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + if( aThisPolyPoly.count() == 0 ) + { + *this = rRect; + return sal_True; + } + + // get the other B2DPolyPolygon + basegfx::B2DPolygon aRectPoly( basegfx::tools::createPolygonFromRect( basegfx::B2DRectangle( rRect.Left(), rRect.Top(), rRect.Right(), rRect.Bottom() ) ) ); + basegfx::B2DPolyPolygon aOtherPolyPoly( aRectPoly ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationXor( aThisPolyPoly, aOtherPolyPoly ); + *this = Region( aClip ); + + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); // no instance data? -> create! @@ -1604,11 +1685,38 @@ sal_Bool Region::XOr( const Rectangle& rRect ) } // ----------------------------------------------------------------------- +void Region::ImplUnionPolyPolygon( const Region& i_rRegion ) +{ + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + if( aThisPolyPoly.count() == 0 ) + { + *this = i_rRegion; + return; + } + + // get the other B2DPolyPolygon + basegfx::B2DPolyPolygon aOtherPolyPoly( const_cast<Region&>(i_rRegion).ConvertToB2DPolyPolygon() ); + aOtherPolyPoly = basegfx::tools::prepareForPolygonOperation( aOtherPolyPoly ); + + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationOr( aThisPolyPoly, aOtherPolyPoly ); + + *this = Region( aClip ); +} sal_Bool Region::Union( const Region& rRegion ) { DBG_CHKTHIS( Region, ImplDbgTestRegion ); + if( rRegion.HasPolyPolygon() || HasPolyPolygon() ) + { + ImplUnionPolyPolygon( rRegion ); + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); ((Region*)&rRegion)->ImplPolyPolyRegionToBandRegion(); @@ -1654,6 +1762,22 @@ sal_Bool Region::Union( const Region& rRegion ) } // ----------------------------------------------------------------------- +void Region::ImplIntersectWithPolyPolygon( const Region& i_rRegion ) +{ + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + if( aThisPolyPoly.count() == 0 ) + { + *this = i_rRegion; + return; + } + + // get the other B2DPolyPolygon + basegfx::B2DPolyPolygon aOtherPolyPoly( const_cast<Region&>(i_rRegion).ConvertToB2DPolyPolygon() ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::clipPolyPolygonOnPolyPolygon( aOtherPolyPoly, aThisPolyPoly, true, false ); + *this = Region( aClip ); +} sal_Bool Region::Intersect( const Region& rRegion ) { @@ -1663,6 +1787,12 @@ sal_Bool Region::Intersect( const Region& rRegion ) if ( mpImplRegion == rRegion.mpImplRegion ) return sal_True; + if( rRegion.HasPolyPolygon() || HasPolyPolygon() ) + { + ImplIntersectWithPolyPolygon( rRegion ); + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); ((Region*)&rRegion)->ImplPolyPolyRegionToBandRegion(); @@ -1793,11 +1923,32 @@ sal_Bool Region::Intersect( const Region& rRegion ) } // ----------------------------------------------------------------------- +void Region::ImplExcludePolyPolygon( const Region& i_rRegion ) +{ + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + if( aThisPolyPoly.count() == 0 ) + return; + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + // get the other B2DPolyPolygon + basegfx::B2DPolyPolygon aOtherPolyPoly( const_cast<Region&>(i_rRegion).ConvertToB2DPolyPolygon() ); + aOtherPolyPoly = basegfx::tools::prepareForPolygonOperation( aOtherPolyPoly ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationDiff( aThisPolyPoly, aOtherPolyPoly ); + *this = Region( aClip ); +} sal_Bool Region::Exclude( const Region& rRegion ) { DBG_CHKTHIS( Region, ImplDbgTestRegion ); + if( rRegion.HasPolyPolygon() || HasPolyPolygon() ) + { + ImplExcludePolyPolygon( rRegion ); + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); ((Region*)&rRegion)->ImplPolyPolyRegionToBandRegion(); @@ -1846,11 +1997,35 @@ sal_Bool Region::Exclude( const Region& rRegion ) } // ----------------------------------------------------------------------- +void Region::ImplXOrPolyPolygon( const Region& i_rRegion ) +{ + // get this B2DPolyPolygon + basegfx::B2DPolyPolygon aThisPolyPoly( ConvertToB2DPolyPolygon() ); + if( aThisPolyPoly.count() == 0 ) + { + *this = i_rRegion; + return; + } + aThisPolyPoly = basegfx::tools::prepareForPolygonOperation( aThisPolyPoly ); + + // get the other B2DPolyPolygon + basegfx::B2DPolyPolygon aOtherPolyPoly( const_cast<Region&>(i_rRegion).ConvertToB2DPolyPolygon() ); + aOtherPolyPoly = basegfx::tools::prepareForPolygonOperation( aOtherPolyPoly ); + + basegfx::B2DPolyPolygon aClip = basegfx::tools::solvePolygonOperationXor( aThisPolyPoly, aOtherPolyPoly ); + *this = Region( aClip ); +} sal_Bool Region::XOr( const Region& rRegion ) { DBG_CHKTHIS( Region, ImplDbgTestRegion ); + if( rRegion.HasPolyPolygon() || HasPolyPolygon() ) + { + ImplXOrPolyPolygon( rRegion ); + return sal_True; + } + ImplPolyPolyRegionToBandRegion(); ((Region*)&rRegion)->ImplPolyPolyRegionToBandRegion(); @@ -2031,7 +2206,7 @@ basegfx::B2DPolyPolygon Region::ConvertToB2DPolyPolygon() // ----------------------------------------------------------------------- -sal_Bool Region::ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo, +bool Region::ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo, long& rX, long& rY, long& rWidth, long& rHeight ) const { @@ -2041,11 +2216,11 @@ sal_Bool Region::ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo, // no internal data? -> region is empty! if ( (mpImplRegion == &aImplEmptyRegion) || (mpImplRegion == &aImplNullRegion) ) - return sal_False; + return false; // no band in the list? -> region is empty! if ( mpImplRegion->mpFirstBand == NULL ) - return sal_False; + return false; // initialise pointer for first access ImplRegionBand* pCurrRectBand = mpImplRegion->mpFirstBand; @@ -2053,7 +2228,7 @@ sal_Bool Region::ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo, DBG_ASSERT( pCurrRectBandSep != NULL, "Erstes Band wurde nicht optimiert." ); if ( !pCurrRectBandSep ) - return sal_False; + return false; // get boundaries of current rectangle rX = pCurrRectBandSep->mnXLeft; @@ -2065,12 +2240,12 @@ sal_Bool Region::ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo, rImplRegionInfo.mpVoidCurrRectBand = (void*)pCurrRectBand; rImplRegionInfo.mpVoidCurrRectBandSep = (void*)pCurrRectBandSep; - return sal_True; + return true; } // ----------------------------------------------------------------------- -sal_Bool Region::ImplGetNextRect( ImplRegionInfo& rImplRegionInfo, +bool Region::ImplGetNextRect( ImplRegionInfo& rImplRegionInfo, long& rX, long& rY, long& rWidth, long& rHeight ) const { @@ -2078,7 +2253,7 @@ sal_Bool Region::ImplGetNextRect( ImplRegionInfo& rImplRegionInfo, // no internal data? -> region is empty! if ( (mpImplRegion == &aImplEmptyRegion) || (mpImplRegion == &aImplNullRegion) ) - return sal_False; + return false; // get last pointers ImplRegionBand* pCurrRectBand = (ImplRegionBand*)rImplRegionInfo.mpVoidCurrRectBand; @@ -2095,7 +2270,7 @@ sal_Bool Region::ImplGetNextRect( ImplRegionInfo& rImplRegionInfo, // no band found? -> not further rectangles! if( !pCurrRectBand ) - return sal_False; + return false; // get first separation in current band pCurrRectBandSep = pCurrRectBand->mpFirstSep; @@ -2111,7 +2286,7 @@ sal_Bool Region::ImplGetNextRect( ImplRegionInfo& rImplRegionInfo, rImplRegionInfo.mpVoidCurrRectBand = (void*)pCurrRectBand; rImplRegionInfo.mpVoidCurrRectBandSep = (void*)pCurrRectBandSep; - return sal_True; + return true; } // ----------------------------------------------------------------------- |