svx/inc/svx/polypolygoneditor.hxx

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  30
  31 #ifndef _SDR_POLYPOLYGONEDITOR_HXX_
  32 #define _SDR_POLYPOLYGONEDITOR_HXX_
  33
  34 #include "svx/svxdllapi.h"
  35
  36 #include "svx/ipolypolygoneditorcontroller.hxx"
  37
  38 #include <basegfx/polygon/b2dpolypolygon.hxx>
  39 #include <set>
  40
  41 class SdrUShortCont;
  42
  43 namespace sdr
  44 {
  45
  46 /** this class implements some helper functions to edit a B2DPolyPolygon */
  47 class SVX_DLLPUBLIC PolyPolygonEditor
  48 {
  49 public:
  50     PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon, bool bClosed );
  51
  52     const basegfx::B2DPolyPolygon& GetPolyPolygon() const { return maPolyPolygon; }
  53
  54     /** returns true if the B2DPolyPolygon was changed.
  55         Warning: B2DPolyPolygon can be empty after this operation!
  56     */
  57     bool DeletePoints( const std::set< sal_uInt16 >& rAbsPoints );
  58
  59     /** returns true if the B2DPolyPolygon was changed.
  60     */
  61     bool SetSegmentsKind(SdrPathSegmentKind eKind, const std::set< sal_uInt16 >& rAbsPoints);
  62
  63     /** returns true if the B2DPolyPolygon was changed.
  64     */
  65     bool SetPointsSmooth( basegfx::B2VectorContinuity eFlags, const std::set< sal_uInt16 >& rAbsPoints);
  66
  67     /** Outputs the realative position ( polygon number and point number in that polygon ) from the absolut point number.
  68         False is returned if the given absolute point is greater not inside this B2DPolyPolygon
  69     */
  70     static bool GetRelativePolyPoint( const basegfx::B2DPolyPolygon& rPoly, sal_uInt32 nAbsPnt, sal_uInt32& rPolyNum, sal_uInt32& rPointNum );
  71
  72 private:
  73     basegfx::B2DPolyPolygon maPolyPolygon;
  74     bool mbIsClosed;
  75 };
  76
  77 }
  78
  79 #endif