map_shapes_points.cpp

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//                                                       //
//                         SAGA                          //
//                                                       //
//      System for Automated Geoscientific Analyses      //
//                                                       //
//           Application Programming Interface           //
//                                                       //
//                  Library: SAGA_API                    //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//                 map_shapes_points.cpp                 //
//                                                       //
//                 Copyright (C) 2026 by                 //
//                      Olaf Conrad                      //
//                                                       //
//-------------------------------------------------------//
//                                                       //
// This file is part of 'SAGA - System for Automated     //
// Geoscientific Analyses'. SAGA is free software; you   //
// can redistribute it and/or modify it under the terms  //
// of the GNU General Public License as published by the //
// Free Software Foundation, either version 2 of the     //
// License, or (at your option) any later version.       //
//                                                       //
// SAGA is distributed in the hope that it will be       //
// useful, but WITHOUT ANY WARRANTY; without even the    //
// implied warranty of MERCHANTABILITY or FITNESS FOR A  //
// PARTICULAR PURPOSE. See the GNU General Public        //
// License for more details.                             //
//                                                       //
// You should have received a copy of the GNU General    //
// Public License along with this program; if not, see   //
// <http://www.gnu.org/licenses/>.                       //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//    e-mail:     oconrad@saga-gis.org                   //
//                                                       //
//    contact:    Olaf Conrad                            //
//                Institute of Geography                 //
//                University of Hamburg                  //
//                Germany                                //
//                                                       //
 
//---------------------------------------------------------
#include "../dc_helper.h"
 
#include "map_symbology.h"
 
#include "map_layer.h"
 

//                                                       //
//                                                       //
//                                                       //
 
//---------------------------------------------------------
CSG_Map_Shapes_Points::CSG_Map_Shapes_Points(CSG_Shapes *pShapes)
        : CSG_Map_Shapes_Point(pShapes)
{
        Set_Object(pShapes && pShapes->Get_Type() == SHAPE_TYPE_Points ? pShapes : NULL);
 
        m_Parameters.Set_Name(SG_Get_ShapeType_Name(SHAPE_TYPE_Points));
}
 

//                                                       //
 
//---------------------------------------------------------
void CSG_Map_Shapes_Points::Draw_Shape(CSG_Map_DC &dc_Map, CSG_Shape *pShape, int Flags)
{
        if( (m_Size.Field >= 0 && pShape->is_NoData(m_Size.Field)) || (m_Stretch.Value >= 0 && pShape->is_NoData(m_Stretch.Value)) )
        {
                return;
        }
 
        //-----------------------------------------------------
        int Size;
 
        if( CSG_Map_Shapes_Point::Draw_Initialize(dc_Map, Size, pShape, Flags) )
        {
                for(int iPart=0; iPart<pShape->Get_Part_Count(); iPart++)
                {
                        for(int iPoint=0; iPoint<pShape->Get_Point_Count(iPart); iPoint++)
                        {
                                TSG_Point_Int p = dc_Map.World2DC(pShape->Get_Point(iPoint, iPart));
 
                                Draw_Symbol(dc_Map, p.x, p.y, Size);
                        }
                }
 
                //-------------------------------------------------
                if( (Flags & LAYER_DRAW_FLAG_SELECTION) != 0 )
                {
                        CSG_Map_Shapes_Point::Draw_Initialize(dc_Map, 0);
                }
        }
}
 
//---------------------------------------------------------
void CSG_Map_Shapes_Points::Draw_Label(CSG_Map_DC &dc_Map, CSG_Shape *pShape, const wxString &Label)
{
        TSG_Point_Int p(dc_Map.World2DC(pShape->Get_Extent().Get_Center()));
 
        dc_Map.DrawText(SG_DC_TEXTALIGN_CENTER, p.x, p.y, Label, m_Label.Effect, m_Label.Effect_Color, m_Label.Effect_Size);
}
 

//                                                       //
//                                                       //
//                                                       //
 
//---------------------------------------------------------