LCOV - code coverage report
Current view: top level - core/simplify - effectivearea.h (source / functions) Hit Total Coverage
Test: coverage.info.cleaned Lines: 0 14 0.0 %
Date: 2021-04-10 08:29:14 Functions: 0 0 -
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /**********************************************************************
       2                 :            :  *
       3                 :            :  * PostGIS - Spatial Types for PostgreSQL
       4                 :            :  * http://postgis.net
       5                 :            :  *
       6                 :            :  * PostGIS is free software: you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU General Public License as published by
       8                 :            :  * the Free Software Foundation, either version 2 of the License, or
       9                 :            :  * (at your option) any later version.
      10                 :            :  *
      11                 :            :  * PostGIS is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with PostGIS.  If not, see <http://www.gnu.org/licenses/>.
      18                 :            :  *
      19                 :            :  **********************************************************************
      20                 :            :  *
      21                 :            :  * Copyright 2014 Nicklas Avén
      22                 :            :  *
      23                 :            :  **********************************************************************/
      24                 :            : 
      25                 :            : #include "qgsabstractgeometry.h"
      26                 :            : #include "qgscurve.h"
      27                 :            : 
      28                 :            : #define SIP_NO_FILE
      29                 :            : 
      30                 :            : #ifndef _EFFECTIVEAREA_H
      31                 :            : #define _EFFECTIVEAREA_H 1
      32                 :            : 
      33                 :            : 
      34                 :            : #define LWDEBUG //
      35                 :            : #define LWDEBUGF //
      36                 :            : #define FP_MAX std::max
      37                 :            : #define FLAGS_GET_Z( flags ) ( ( flags ) & 0x01 )
      38                 :            : #define LW_MSG_MAXLEN 256
      39                 :            : #define lwalloc qgsMalloc
      40                 :            : #define lwfree qgsFree
      41                 :            : #define lwerror qWarning
      42                 :            : 
      43                 :            : 
      44                 :            : /**
      45                 :            :  * This structure is placed in an array with one member per point.
      46                 :            :  * It has links into the minheap rtee and keeps track of eliminated points.
      47                 :            :  */
      48                 :            : struct areanode
      49                 :            : {
      50                 :            :   double area;
      51                 :            :   int treeindex;
      52                 :            :   int prev;
      53                 :            :   int next;
      54                 :            : };
      55                 :            : 
      56                 :            : /**
      57                 :            :  * This structure holds a minheap tree that is used to keep track of what points
      58                 :            :  * that has the smallest effective area.
      59                 :            :  * When eliminating points the neighbor points has its effective area affected
      60                 :            :  * and the minheap helps to resort efficient.
      61                 :            :  */
      62                 :          0 : struct MINHEAP
      63                 :            : {
      64                 :            :   int maxSize;
      65                 :            :   int usedSize;
      66                 :          0 :   areanode **key_array = nullptr;
      67                 :            : };
      68                 :            : 
      69                 :            : /**
      70                 :            :  * Structure to hold point array and its arealist.
      71                 :            :  */
      72                 :            : struct EFFECTIVE_AREAS
      73                 :            : {
      74                 :          0 :   EFFECTIVE_AREAS( const QgsCurve &curve )
      75                 :          0 :     : is3d( curve.is3D() )
      76                 :            :   {
      77                 :          0 :     curve.points( inpts );
      78                 :          0 :     initial_arealist = new areanode[ inpts.size()];
      79                 :          0 :     res_arealist = new double[ inpts.size()];
      80                 :          0 :   }
      81                 :            : 
      82                 :          0 :   ~EFFECTIVE_AREAS()
      83                 :            :   {
      84                 :          0 :     delete [] initial_arealist;
      85                 :          0 :     delete [] res_arealist;
      86                 :          0 :   }
      87                 :            : 
      88                 :            :   EFFECTIVE_AREAS( const EFFECTIVE_AREAS &other ) = delete;
      89                 :            :   EFFECTIVE_AREAS &operator=( const EFFECTIVE_AREAS &other ) = delete;
      90                 :            : 
      91                 :            :   bool is3d;
      92                 :            :   QgsPointSequence inpts;
      93                 :          0 :   areanode *initial_arealist = nullptr;
      94                 :          0 :   double *res_arealist = nullptr;
      95                 :            : 
      96                 :            : 
      97                 :            : };
      98                 :            : 
      99                 :            : void ptarray_calc_areas( EFFECTIVE_AREAS *ea, int avoid_collaps, int set_area, double trshld );
     100                 :            : 
     101                 :            : #endif /* _EFFECTIVEAREA_H */

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