SimpleLabelRenderer.h
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#pragma once
#ifndef _SimpleLabelRenderer_H_
#define _SimpleLabelRenderer_H_
#include<string>
#include<vector>
using namespace std;
#include"Renderer.h"
#include"TextSymbol.h"
#include"clsStruct.h"
#define LLPSZ 10 //dmapLineLabelPosition__Size
namespace DmapCore_30
{
class CORE_EXPORT SimpleLabelRenderer :public Renderer
{
public:
SimpleLabelRenderer();
~SimpleLabelRenderer();
int RendererType();
virtual bool Parse(boost::property_tree::ptree &pt, AppendBuffer *f);
virtual bool ParsePtree( boost::property_tree::ptree &pt);
virtual void ToJson(AppendBuffer *ab);
//virtual bool RendererString(Renderer** ppRen, const char** psXML);
virtual bool DrawData(clsCrSurf* pClsCS, DataCollection* data, bool drawSimpleData, char* pFlag = NULL);
virtual bool DrawData(clsCrSurf* pClsCS, DataCollection* data, int dataIndex, char* pFlag = NULL);
virtual bool DrawLegend(clsCrSurf* pClsCS, shared_ptr<legendParamater> pLegendParamater,int layerType, char* pFlag= NULL);
string m_sField;
TextSymbol* m_pTextSymbol;
string m_sLabelPriorities;
string m_sRotationAngles;
//int m_iRotateMethod;
string m_sRotationAngleField;
bool m_bIsVerticalToAngle;
/*
LineLabelPosition分成3属性
*/
int m_iLineLabelPositionDirection;
int m_iLineLabelPositionStartOrEnd;
string m_sLineLabelPositionPlaces;
int m_LineLabelPositionPlaces[3];
int m_iPolygonLabelPositionDirection;
bool m_bLabelInPolygon;
bool DoSetLineLabelPositionPlaces();
void TryAddField(vector<string>&pvField);
bool TryFindHeatRenderer(){ return false; }
static SimpleLabelRenderer* CreateNew();
const char* GetField();
bool SetField(const char* sField);
const char* GetLabelPriorities();
bool SetLabelPriorities(const char* sLableLabelPriorities);
TextSymbol* GetTextSymbol();
bool SetTextSymbol(TextSymbol* ts);
const char* GetRotationAngles();
bool SetRotationAngles(const char* sRotationalAngles);
const char*GetRotationAngleField();
bool SetRotationAngleField(const char* sAngleField);
//int GetRotateMethod(); //只对点有效
//bool SetRotateMethod(int iRotateMethod);
int GetLineLabelPositionDirection();
bool SetLineLabelPositionDirection(int iLineLabelPositionDirection);
const char*GetLineLabelPositionPlace();
bool SetLineLabelPositionPlace(const char* iLineLabelPositionPlace);
int GetLineLabelPositionStartOrEnd();
bool SetLineLabelPositionStartOrEnd(int iLineLabelPositionStartOrEnd);
int GetPolygonLabelPositionDirection();
bool SetPolygonLabelPositionDirection(int iPolygonLabelPositionDirection);
bool GetLabelInPolygon();
bool SetLabelInPolygon(bool bLabelInPolygon);
bool GetIsVerticalToAngle();
bool SetIsVerticalToAngle(bool bIsVerticalToAngle);
private:
/*
点样式类型使用规定
1.优先使用 m_sLabelPriorities , m_sLabelPriorities 可以赋值3种,第一种,确定各标签位优先级的8个数字,第二种,使用 DMap_PlaceOnTopHorizontal, 在点之上
第三种,使用8个0,则使用旋转角度书写文本
2. 优先使用AngleField,但每次设置旋转角度时,将AngleField重置为""
3. 使用旋转角度
*/
enum PointLabelPositionType
{
dmapPointLabelPositionOnTopHorizontal = 0,
dmapPointLabelPositionAngleNumber = 1,
dmapPointLabelPositionAngleField = 2,
dmapPointLabelPositionPeriphery = 3,
dmapPointLabelPositionError,
};
PointLabelPositionType m_plpt;
SimpleLabelRenderer::PointLabelPositionType DoSetPointLabelPositionType(); //每次调用此函数,维护位置的类型 m_lpt
private:
vector<double> m_vdAngles;
int m_i8[8]; //
bool CalculatePrioritiesNumber(); //处理 字符串,按8个标签的优先级排序1-8
bool CalculateAngles(); //处理 m_sRotationalAngles,存到 m_dAngles
bool TrackPriorityString(const char* sPriority); //判断 m_sPriorities 字符串是否是8个数字
bool TrackRotationAngles(const char* sRotationalAngles);
/*
Draw部分
*/
public:
bool DrawStruct(clsCrSurf* pClsCS, DataCollection* data, int index);
/*
Point
*/
bool DrawPoint(clsCrSurf* pClsCS, DataCollection* data, int index, char* sUTF8);
/*
MLine
*/
bool DrawMLine(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8);
bool DrawMLineLevel(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8); //水平放置
bool DrawMLineParallel(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8); //平行放置
bool DrawMLineCurve(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8); //弯曲
bool DrawMLineVertical(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8); //垂直
double CalculateRadianRight(clsStruct::LINE* pStrLine, double dTextWidth, int iIndex, double x, double y, double&x_show, double&y_show);
double CalculateRadianLeft(clsStruct::LINE* pStrLine, double dTextWidth, int iIndex, double x, double y, double&x_show, double& y_show);
bool DrawMLineCurve2(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8); //弯曲
double CalculateRadianRight2(clsStruct::LINE* pStrLine, double dTextWidth, int& iIndex, double x_show, double y_show, double &x_show_next, double&y_show_next);
double CalculateRadianLeft2(clsStruct::LINE* pStrLine, double dTextWidth, int& iIndex, double x_show, double y_show, double&x_show_next, double&y_show_next);
void CalculateIntersection(double dWidth, double x_from, double y_from, double x1, double y1, double x2, double y2, double&x_to, double&y_to);
bool DrawMLineCurve3(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8);
// DrawMLineCurve4(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8);
bool LineToSmooth(clsStruct::LINE* pStrLine, vector<double>& vX, vector<double>& vY); //线条平滑处理
bool Douglas_Peucker_algorithm(vector<double> &vX, vector<double>& vY);
bool CalculateShowBegin(vector<double> vX, vector<double> vY, double dW, double& x_show_begin, double& y_show_begin, int & iPointIndex);
double CalculateRadianRight3(vector<double> vX, vector<double> vY, double dTextWidth, int& iIndex, double x_show, double y_show, double &x_show_next, double&y_show_next);
bool DrawMLineCurve4(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8);
bool DrawMLineCurve5(clsCrSurf* pClsCS, clsStruct::MLINE* pStrMLine, char* sUTF8);
double CalculateDistance(double x0, double y0, double x1, double y1, double x2, double y2);
bool CalculateShowBegin(clsStruct::LINE* pLine, double dW, double& x_show_begin, double& y_show_begin, int & iPointIndex);
bool CalculateShowBegin5(clsStruct::LINE* pLine, double dW, double& x_show_begin, double& y_show_begin, int & iPointIndex, double& dRadia, int width, int height);
double CalculateRadianRight4(clsStruct::LINE* pLine, double dTextWidth, int & iIndex, double x_show, double y_show, double &x_show_next, double& y_show_next);
int SplitUTF8(char* sUTF8, string* pStr, int iStrCount);
bool DrawMPolygon(clsCrSurf* pClsCS, clsStruct::MPOLYGON* pStrMPolygon, char* sUTF8);
bool DrawMPolygonParallel(clsCrSurf* pClsCS, clsStruct::MPOLYGON* pStrMPolygon, char* sUTF8); //平行放置
bool DrawMPolygonStraight(clsCrSurf* pClsCS, clsStruct::MPOLYGON* pStrMPolygon, char* sUTF8); //平直
bool DrawMPolygonParallelAndStraight(clsCrSurf* pClsCS, clsStruct::MPOLYGON* pStrMPolygon, char* sUTF8); // 先水平,其次平直
bool OBB_Algorithm(std::vector<double> vX, std::vector<double> vY, double& x1, double& y1, double& x2, double& y2, double& x3, double& y3, double& x4, double& y4, clsCrSurf* pClsCS);
double OBB_GetMBR(std::vector<double> vX, std::vector<double> vY, int i, clsCrSurf* pClsCS);
bool OBB_GetMBR(std::vector<double> vX, std::vector<double> vY, int iPointIndex, double& x1, double& y1, double& x2, double& y2, double& x3, double& y3, double& x4, double& y4, clsCrSurf* pClsCS);
};
}
#endif
//#pragma once
//#include<string>
//using namespace std;
//#include"Renderer.h"
//#include"clsStruct.h"
//class TextSymbol;
//class clsCrSurf;
//class DataCollection;
//class SimpleLabelRenderer:public Renderer
//{
//public:
// SimpleLabelRenderer();
// ~SimpleLabelRenderer();
// int RendererType();
// virtual bool Parse(rapidxml::xml_node<char>* node, AppendBuffer *f);
// virtual bool DrawData(clsCrSurf* pClsCS, DataCollection* data, char* pFlag);
//
// string m_sField;
// string m_sLabelPriorities;
// TextSymbol* m_pTextSymbol;
// int m_iFeatureWeight;
// int m_iLabelWeight;
// int m_iHowmanyLabels;
// double m_dLabelBufferRatio;
// int m_iLineLabelPosition;
// string m_sRotationalAngles;
//
//
//
// static SimpleLabelRenderer* CreateNew();
// const char* GetField();
// bool SetField(const char* sField);
// const char* GetLabelPriorities();
// bool SetLabelPriorities(const char* sLableLabelPriorities);
// TextSymbol* GetTextSymbol();
// bool SetTextSymbol(TextSymbol* ts);
// int GetFeatureWeight();
// bool SetFeatureWeight(int iFeatureWeight);
// int GetLabelWeight();
// bool SetLabelWeight(int iLabelWeight);
// int GetHowmanyLabels();
// bool SetHowmanyLabels(int iHowmanyLabels);
// double GetLabelBufferRatio();
// bool SetLabelBufferRatio(double dLabelBufferRatio);
// int GetLineLabelPosition();
// bool SetLineLabelPosition(int iLineLabelPosition);
// const char* GetRotationalAngles();
// bool SetRotationalAngles(const char* sRotationalAngles);
//
//
// void TryAddField(vector<string>&pvField);
// bool DrawStruct(clsCrSurf* pClsCS, DataCollection* data, int index, char* pFlag, int dcW, int dcH);
//
//
// bool DrawPOINT(clsCrSurf* clsCS, clsStruct::POINT* pPoint, const char* sText);
// bool DrawMPOINT(clsCrSurf* clsCr, clsStruct::LINE* pLine);
//
// bool DrawAText(clsCrSurf* clsCS, double x, double y,double dAngle, const char* sUTF8);
//
//
// //bool DrawPOINT(clsCairo* clsCr, clsStruct::POINT* pPoint);
//
//private:
//
// /*
// 1. labelPriorities优先,只在 labelPriorities 为"0,0,0,0,0,0,0,0"时,考虑 rotationalangles 属性
// 2. labelPriorities 可以赋值为 "LE_PlaceOnTopHorizontal" ,在点之上放置,或者面内部,或者在线上
// 3. rotationalAngles可以被赋值为 "45,30,60" 或者"objectid"两种方式
// */
//
//
//
// bool TrackPriorityString(const char* sPriority);
// bool SetPriority();
// bool TrackRotationalAngles(const char* sRotationalAngles);
//
//
// /*
// 标签位置部分
// */
// static enum LabelPositionType
// {
// dmapLabelPositionOnTopHorizontal = 0, //在点上,或者面上
// dmapLabelPositionAngleNumber = 1, //使用数字弧度(固定值)
// dmapLabelPositionAngleField = 2, //使用指定字段作为弧度
// dmapLabelPositionPeriphery = 3, //使用周边的8个标签位 水平放置
// };
// LabelPositionType m_lpt;
// vector<double> m_vdAngles;
// int m_i8[8]; // 这是从LabelPriorities直接分割出来的数字
// int m_iLabelPriorities[8]; //这是经过处理后,依次优先的标签位置的顺序
//
// SimpleLabelRenderer::LabelPositionType GetLabelPositionType();
// bool CalculatePrioritiesNumber(); //处理 m_i8,得出 m_iLabelPriorities
// bool CalculateAngles(); //处理 m_sRotationalAngles,存到 m_dAngles
//
//
//
//
//
//};
//