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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef _SV_REGION_H
#define _SV_REGION_H
#include <vcl/regband.hxx>
#include <tools/poly.hxx>
#include <vcl/region.hxx>
// -----------------
// - Hilfsmethoden -
// -----------------
#ifdef DBG_UTIL
const char* ImplDbgTestRegion( const void* pObj );
#endif
// --------------------
// - ImplRegionHandle -
// --------------------
struct ImplRegionHandle
{
Region* mpRegion;
ImplRegionBand* mpCurrRectBand;
ImplRegionBandSep* mpCurrRectBandSep;
sal_Bool mbFirst;
};
// ------------------
// - ImplRegionInfo -
// ------------------
struct ImplRegionInfo
{
void* mpVoidCurrRectBand;
void* mpVoidCurrRectBandSep;
};
// --------------
// - ImplRegion -
// --------------
struct ImplRegionBase
{
public:
ImplRegionBase( int nCount = 1 ); // TODO: replace manual refcounting
virtual ~ImplRegionBase();
public:
sal_uIntPtr mnRefCount;
sal_uIntPtr mnRectCount;
PolyPolygon* mpPolyPoly;
basegfx::B2DPolyPolygon* mpB2DPolyPoly;
};
class ImplRegion : public ImplRegionBase
{
friend class Region;
private:
ImplRegionBand* mpFirstBand; // root of the list with y-bands
ImplRegionBand* mpLastCheckedBand;
public:
ImplRegion();
ImplRegion( const PolyPolygon& rPolyPoly );
ImplRegion( const basegfx::B2DPolyPolygon& );
ImplRegion( const ImplRegion& rImplRegion );
~ImplRegion();
ImplRegionBand* ImplGetFirstRegionBand() const { return mpFirstBand; }
PolyPolygon* ImplGetPolyPoly() const { return mpPolyPoly; }
void CreateBandRange( long nYTop, long nYBottom );
void InsertBands( long nYTop, long nYBottom );
sal_Bool InsertSingleBand( ImplRegionBand* mpImplRegionBand,
long nYBandPosition );
sal_Bool InsertLine( const Point & rFirstPoint,
const Point & rSecondPoint,
long nLineID );
sal_Bool InsertPoint( const Point &rPoint,
long nLineID,
sal_Bool bEndPoint, LineType eLineType );
/** Insert one band either after another band or as the first or only
band. Both the forward as well as the backward links are updated.
@param pPreviousBand
When <NULL/> then pBandToInsert is inserted as first band or as
only band when there are no other bands.
When not <NULL/> then pBandToInsert is inserted directly after
pPreviousBand.
@param pBandToInsert
The band to insert.
*/
void InsertBand (ImplRegionBand* pPreviousBand,
ImplRegionBand* pBandToInsert);
void Union( long nLeft, long nTop, long nRight, long nBottom );
void Exclude( long nLeft, long nTop, long nRight, long nBottom );
void XOr( long nLeft, long nTop, long nRight, long nBottom );
// remove emtpy rects
sal_Bool OptimizeBandList();
friend SvStream& operator>>( SvStream& rIStm, Region& rRegion );
friend SvStream& operator<<( SvStream& rOStm, const Region& rRegion );
};
#endif // _SV_REGION_H
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