Avoid potential negative array index access to cached text.
[LibreOffice.git] / tools / inc / poly.h
blob772e854e31fb0dfb7aeb1e78911de45efd2efc43
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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11 * Licensed to the Apache Software Foundation (ASF) under one or more
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14 * ownership. The ASF licenses this file to you under the Apache
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
19 #pragma once
21 #include <sal/types.h>
22 #include <memory>
23 #include <tools/poly.hxx>
25 class SAL_WARN_UNUSED ImplPolygon
27 public:
28 std::unique_ptr<Point[]> mxPointAry;
29 std::unique_ptr<PolyFlags[]> mxFlagAry;
30 sal_uInt16 mnPoints;
32 public:
33 ImplPolygon() : mnPoints(0) {}
34 ImplPolygon( sal_uInt16 nInitSize );
35 ImplPolygon( sal_uInt16 nPoints, const Point* pPtAry, const PolyFlags* pInitFlags );
36 ImplPolygon( const ImplPolygon& rImplPoly );
37 ImplPolygon( const tools::Rectangle& rRect );
38 ImplPolygon( const tools::Rectangle& rRect, sal_uInt32 nHorzRound, sal_uInt32 nVertRound);
39 ImplPolygon( const Point& rCenter, tools::Long nRadX, tools::Long nRadY );
40 ImplPolygon( const tools::Rectangle& rBound, const Point& rStart, const Point& rEnd,
41 PolyStyle eStyle, bool bClockWiseArcDirection );
42 ImplPolygon( const Point& rBezPt1, const Point& rCtrlPt1, const Point& rBezPt2,
43 const Point& rCtrlPt2, sal_uInt16 nPoints );
44 ImplPolygon(const basegfx::B2DPolygon& rPolygon);
46 bool operator==( const ImplPolygon& rCandidate ) const;
48 void ImplInitSize(sal_uInt16 nInitSize, bool bFlags = false);
49 void ImplSetSize( sal_uInt16 nSize, bool bResize = true );
50 void ImplCreateFlagArray();
51 bool ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon const * pInitPoly = nullptr );
54 #define MAX_POLYGONS SAL_MAX_UINT16
56 struct ImplPolyPolygon
58 std::vector<tools::Polygon> mvPolyAry;
60 ImplPolyPolygon( sal_uInt16 nInitSize )
62 if ( !nInitSize )
63 nInitSize = 1;
64 mvPolyAry.reserve(nInitSize);
67 ImplPolyPolygon( const tools::Polygon& rPoly )
69 if ( rPoly.GetSize() )
70 mvPolyAry.push_back(rPoly);
71 else
72 mvPolyAry.reserve(16);
75 ImplPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPolygon);
77 bool operator==(ImplPolyPolygon const & other) const
79 return mvPolyAry == other.mvPolyAry;
83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */