gui_layer.h

来自「linux下一款GIS程序源码」· C头文件 代码 · 共 107 行

/*  gui_layer.h  */
/*
   一个地图图层,保存该图层中的几何图形
*/

#ifndef GUI_LAYER_H
#define GUI_LAYER_H

#include "KitSrc/tabtooldeftable.h"
#include "KitSrc/ugkgeometry.h"

#include <qpaintdevice.h> 
#include <qrect.h> 
#include "gui_featuredata.h"


typedef struct
{
    char  *fileName;
    int    zPos; 
    bool   visible;       //是否可见
    bool   visibleAllview; //是否在全部视野内可见
    int    minView;
    int    maxView;
    bool   label;       //是否需要标记
    bool   labelAllview; //是否在全部视野内可见
    int    minLabel;
    int    maxLabel;
    double left;
    double right;
    double top;
    double bottom;
}LyrAttr;


class GUI_Layer
{
public:
    GUI_Layer();
    virtual ~GUI_Layer();

    void setFileName(const char *);
    char *getFileName(){return m_FileName;};
    void setFeatureNum(int );
    
    void setZposition(int zpos){m_Zposition = zpos;}
    int getZposition(){return m_Zposition;}
    
    void setLayerExtent(double maxX,double minX,double maxY,double minY);
    void getLayerExtent(double &maxX,double &minX,double &maxY,double &minY);
    void setLayerCenter(double x, double y);
    void setLayerView(double xv,double yv);
    void setDistperPixel(double val){m_DistperPixel=val;};
    
    void setLayerAttr(LyrAttr *);
    void getLayerAttr(LyrAttr *);
    void setPaintRect( int top, int left,int pw,int ph);
    
    
    void AddFeatureData(GUI_FeatureData *);
    void CopyToolDefTable( TABToolDefTable *srcDef);
    int InitDataFromFile();
    bool IsDataInited(){return b_DataInited;};
    void Draw(QPaintDevice *);
private:
    bool  b_DataInited;
	    
    double m_lyrMinX;
    double m_lyrMaxX;
    double m_lyrMinY;
    double m_lyrMaxY;
    double m_Xview;
    double m_Yview;
    double m_XCenter;
    double m_YCenter;
    double m_DistperPixel;
    
    int   m_paintTop;
    int   m_paintLeft;
    int   m_paintWidth;  //绘图区域宽度
    int   m_paintHeight;  //绘图区域高度
    
    int m_numFea; //总共的Feature数目
    int m_AddedFea; //已经读取的Feature数目
    GUI_FeatureData **m_FeaData;   
    TABToolDefTable *m_ToolDefTable;
    
    char *m_FileName;
    int  m_Zposition;
    
    bool b_Visible;
    bool b_VisibleAllways;
    int  m_MinVisibleView;
    int  m_MaxVisibleView;
    bool b_Label;
    bool b_LabelAllways;
    int  m_MinLabelView;
    int  m_MaxLabelView;
    
    bool LayerInView();
    bool FeatureInView(GUI_FeatureData *);
    bool FeatureNeedLabel();
    void ReadGeomDataFromFile(UGKGeometry *,GUI_FeatureData *);// 只供InitDataFromFile()使用
};

#endif