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-rw-r--r--include/vcl/region.hxx167
1 files changed, 74 insertions, 93 deletions
diff --git a/include/vcl/region.hxx b/include/vcl/region.hxx
index 88c55ea5b5fc..f2298e7a5d2a 100644
--- a/include/vcl/region.hxx
+++ b/include/vcl/region.hxx
@@ -25,115 +25,96 @@
#include <vcl/dllapi.h>
#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <boost/shared_ptr.hpp>
-class ImplRegion;
class ImplRegionBand;
+class RegionBand;
class Polygon;
class PolyPolygon;
-struct ImplRegionInfo;
-// --------------
-// - RegionType -
-// --------------
+//////////////////////////////////////////////////////////////////////////////
-enum RegionType { REGION_NULL, REGION_EMPTY, REGION_RECTANGLE, REGION_COMPLEX };
-enum RegionOverlapType { REGION_INSIDE, REGION_OVER, REGION_OUTSIDE };
+typedef boost::shared_ptr< RegionBand > RegionBandPtr;
+typedef boost::shared_ptr< PolyPolygon > PolyPolygonPtr;
+typedef boost::shared_ptr< basegfx::B2DPolyPolygon > B2DPolyPolygonPtr;
+typedef std::vector< Rectangle > RectangleVector;
-typedef sal_IntPtr RegionHandle;
-
-// ----------
-// - Region -
-// ----------
+//////////////////////////////////////////////////////////////////////////////
class VCL_DLLPUBLIC Region
{
+private:
friend class OutputDevice;
friend class Window;
friend class Bitmap;
-private:
- ImplRegion* mpImplRegion;
-
- SAL_DLLPRIVATE void ImplCopyData();
- SAL_DLLPRIVATE void ImplCreateRectRegion( const Rectangle& rRect );
- SAL_DLLPRIVATE void ImplCreatePolyPolyRegion( const PolyPolygon& rPolyPoly );
- SAL_DLLPRIVATE void ImplCreatePolyPolyRegion( const basegfx::B2DPolyPolygon& rPolyPoly );
- SAL_DLLPRIVATE void ImplPolyPolyRegionToBandRegionFunc();
- SAL_DLLPRIVATE inline void ImplPolyPolyRegionToBandRegion();
- SAL_DLLPRIVATE const ImplRegion* ImplGetImplRegion() const { return mpImplRegion; }
- SAL_DLLPRIVATE ImplRegion* ImplGetImplRegion() { return mpImplRegion; }
- SAL_DLLPRIVATE void ImplBeginAddRect( );
- SAL_DLLPRIVATE sal_Bool ImplAddRect( const Rectangle& rRect );
- SAL_DLLPRIVATE void ImplEndAddRect( );
- SAL_DLLPRIVATE void ImplIntersectWithPolyPolygon( const Region& );
- SAL_DLLPRIVATE void ImplExcludePolyPolygon( const Region& );
- SAL_DLLPRIVATE void ImplUnionPolyPolygon( const Region& );
- SAL_DLLPRIVATE void ImplXOrPolyPolygon( const Region& );
-
-public: // public within vcl
- VCL_PLUGIN_PUBLIC bool ImplGetFirstRect( ImplRegionInfo& rImplRegionInfo,
- long& nX, long& nY, long& nWidth, long& nHeight ) const;
- VCL_PLUGIN_PUBLIC bool ImplGetNextRect( ImplRegionInfo& rImplRegionInfo,
- long& nX, long& nY, long& nWidth, long& nHeight ) const;
-#ifdef DBG_UTIL
- friend const char* ImplDbgTestRegion( const void* pObj );
-#endif
+ // possible contents
+ B2DPolyPolygonPtr mpB2DPolyPolygon;
+ PolyPolygonPtr mpPolyPolygon;
+ RegionBandPtr mpRegionBand;
+
+ /// bitfield
+ bool mbIsNull : 1;
+
+ // helpers
+ SAL_DLLPRIVATE void ImplCreatePolyPolyRegion( const PolyPolygon& rPolyPoly );
+ SAL_DLLPRIVATE void ImplCreatePolyPolyRegion( const basegfx::B2DPolyPolygon& rPolyPoly );
+
+ SAL_DLLPRIVATE PolyPolygon ImplCreatePolyPolygonFromRegionBand() const;
+ SAL_DLLPRIVATE basegfx::B2DPolyPolygon ImplCreateB2DPolyPolygonFromRegionBand() const;
public:
- explicit Region();
- explicit Region( RegionType eType );
- explicit Region( const Rectangle& rRect );
- explicit Region( const Polygon& rPolygon );
- explicit Region( const PolyPolygon& rPolyPoly );
- explicit Region( const basegfx::B2DPolyPolygon& );
- Region( const Region& rRegion );
- ~Region();
-
- void Move( long nHorzMove, long nVertMove );
- void Scale( double fScaleX, double fScaleY );
- void Union( const Rectangle& rRegion );
- void Intersect( const Rectangle& rRegion );
- void Exclude( const Rectangle& rRegion );
- void XOr( const Rectangle& rRegion );
- void Union( const Region& rRegion );
- void Intersect( const Region& rRegion );
- void Exclude( const Region& rRegion );
- void XOr( const Region& rRegion );
-
- RegionType GetType() const;
- sal_Bool IsEmpty() const { return GetType() == REGION_EMPTY; };
- sal_Bool IsNull() const { return GetType() == REGION_NULL; };
-
- void SetEmpty();
- void SetNull();
-
- Rectangle GetBoundRect() const;
-
- sal_Bool HasPolyPolygon() const;
- PolyPolygon GetPolyPolygon() const;
- // returns an empty polypolygon in case HasPolyPolygon is sal_False
- const basegfx::B2DPolyPolygon GetB2DPolyPolygon() const;
- // returns a PolyPolygon either copied from the set PolyPolygon region
- // or created from the constituent rectangles
- basegfx::B2DPolyPolygon ConvertToB2DPolyPolygon();
-
- sal_uLong GetRectCount() const;
- RegionHandle BeginEnumRects();
- sal_Bool GetEnumRects( RegionHandle hRegionHandle, Rectangle& rRect );
- sal_Bool GetNextEnumRect( RegionHandle hRegionHandle, Rectangle& rRect )
- { return GetEnumRects( hRegionHandle, rRect ); }
- void EndEnumRects( RegionHandle hRegionHandle );
-
- sal_Bool IsInside( const Point& rPoint ) const;
- sal_Bool IsInside( const Rectangle& rRect ) const;
- sal_Bool IsOver( const Rectangle& rRect ) const;
-
- Region& operator=( const Region& rRegion );
- Region& operator=( const Rectangle& rRect );
-
- sal_Bool operator==( const Region& rRegion ) const;
- sal_Bool operator!=( const Region& rRegion ) const
- { return !(Region::operator==( rRegion )); }
+
+ explicit Region(bool bIsNull = false); // default creates empty region, with true a null region is created
+ explicit Region(const Rectangle& rRect);
+ explicit Region(const Polygon& rPolygon);
+ explicit Region(const PolyPolygon& rPolyPoly);
+ explicit Region(const basegfx::B2DPolyPolygon&);
+ Region(const Region& rRegion);
+ ~Region();
+
+ // direct access to contents
+ const basegfx::B2DPolyPolygon* getB2DPolyPolygon() const { return mpB2DPolyPolygon.get(); }
+ const PolyPolygon* getPolyPolygon() const { return mpPolyPolygon.get(); }
+ const RegionBand* getRegionBand() const { return mpRegionBand.get(); }
+
+ // access with converters, the asked data will be created from the most
+ // valuable data, buffered and returned
+ const PolyPolygon GetAsPolyPolygon() const;
+ const basegfx::B2DPolyPolygon GetAsB2DPolyPolygon() const;
+ const RegionBand* GetAsRegionBand() const;
+
+ // manipulators
+ void Move( long nHorzMove, long nVertMove );
+ void Scale( double fScaleX, double fScaleY );
+ bool Union( const Rectangle& rRegion );
+ bool Intersect( const Rectangle& rRegion );
+ bool Exclude( const Rectangle& rRegion );
+ bool XOr( const Rectangle& rRegion );
+ bool Union( const Region& rRegion );
+ bool Intersect( const Region& rRegion );
+ bool Exclude( const Region& rRegion );
+ bool XOr( const Region& rRegion );
+
+ bool IsEmpty() const;
+ bool IsNull() const;
+
+ void SetEmpty();
+ void SetNull();
+
+ Rectangle GetBoundRect() const;
+ bool HasPolyPolygonOrB2DPolyPolygon() const { return (getB2DPolyPolygon() || getPolyPolygon()); }
+ void GetRegionRectangles(RectangleVector& rTarget) const;
+
+ bool IsInside( const Point& rPoint ) const;
+ bool IsInside( const Rectangle& rRect ) const;
+ bool IsOver( const Rectangle& rRect ) const;
+
+ Region& operator=( const Region& rRegion );
+ Region& operator=( const Rectangle& rRect );
+
+ bool operator==( const Region& rRegion ) const;
+ bool operator!=( const Region& rRegion ) const { return !(Region::operator==( rRegion )); }
friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, Region& rRegion );
friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const Region& rRegion );
generated by cgit (git 2.34.1) at 2024-07-13 02:59:16 +0000