ogr_featurestyle.h

在linux环境下

/******************************************************************************
 * $Id: ogr_featurestyle.h,v 1.8 2004/12/02 18:24:12 fwarmerdam Exp $
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  Define of Feature Representation
 * Author:   Stephane Villeneuve, [e-mail]
 *
 ******************************************************************************
 * Copyright (c) 1999, Frank Warmerdam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 *
 * $Log: ogr_featurestyle.h,v $
 * Revision 1.8  2004/12/02 18:24:12  fwarmerdam
 * added support for fontname on symbol, per bug 684
 *
 * Revision 1.7  2004/05/11 00:39:43  warmerda
 * make asStyle*[] using methods non-inline
 *
 * Revision 1.6  2002/06/25 14:47:31  warmerda
 * CPL_DLL export style api
 *
 * Revision 1.5  2001/03/17 01:43:53  warmerda
 * Don't leave in trailing comma in enum (as submitted by Dale).
 *
 * Revision 1.4  2001/01/19 21:10:47  warmerda
 * replaced tabs
 *
 * Revision 1.3  2000/12/07 03:42:37  danmo
 * REmoved stray comma in OGRSType enum defn
 *
 * Revision 1.2  2000/08/28 20:26:18  svillene
 * Add missing virtual ~()
 *
 * Revision 1.1  2000/08/18 21:26:01  svillene
 * OGR Representation
 *
 *
 */

#ifndef OGR_FEATURESTYLE_INCLUDE
#define OGR_FEATURESTYLE_INCLUDE

#include "cpl_conv.h"

class OGRFeature;

typedef enum ogr_style_tool_class_id
{
    OGRSTCNone,
    OGRSTCPen,
    OGRSTCBrush,
    OGRSTCSymbol,
    OGRSTCLabel
} OGRSTClassId;

typedef enum ogr_style_tool_units_id
{
    OGRSTUGround,
    OGRSTUPixel,
    OGRSTUPoints,
    OGRSTUMM,
    OGRSTUCM,
    OGRSTUInches
} OGRSTUnitId;

typedef enum ogr_style_tool_param_pen_id
{  
    OGRSTPenColor = 0,                   
    OGRSTPenWidth,                   
    OGRSTPenPattern,
    OGRSTPenId,
    OGRSTPenPerOffset,
    OGRSTPenCap,
    OGRSTPenJoin,
    OGRSTPenPriority,
    OGRSTPenLast
              
} OGRSTPenParam;

typedef enum ogr_style_tool_param_brush_id
{  
    OGRSTBrushFColor = 0,                   
    OGRSTBrushBColor,                   
    OGRSTBrushId,
    OGRSTBrushAngle,                   
    OGRSTBrushSize,
    OGRSTBrushDx,
    OGRSTBrushDy,
    OGRSTBrushPriority,
    OGRSTBrushLast
              
} OGRSTBrushParam;



typedef enum ogr_style_tool_param_symbol_id
{  
    OGRSTSymbolId = 0,
    OGRSTSymbolAngle,
    OGRSTSymbolColor,
    OGRSTSymbolSize,
    OGRSTSymbolDx,
    OGRSTSymbolDy,
    OGRSTSymbolStep,
    OGRSTSymbolPerp,
    OGRSTSymbolOffset,
    OGRSTSymbolPriority,
    OGRSTSymbolFontName,
    OGRSTSymbolLast
              
} OGRSTSymbolParam;

typedef enum ogr_style_tool_param_label_id
{  
    OGRSTLabelFontName = 0,
    OGRSTLabelSize,
    OGRSTLabelTextString,
    OGRSTLabelAngle,
    OGRSTLabelFColor,
    OGRSTLabelBColor,
    OGRSTLabelPlacement,
    OGRSTLabelAnchor,
    OGRSTLabelDx,
    OGRSTLabelDy,
    OGRSTLabelPerp,
    OGRSTLabelBold,
    OGRSTLabelItalic,
    OGRSTLabelUnderline,
    OGRSTLabelPriority,
    OGRSTLabelLast
              
} OGRSTLabelParam;

typedef enum ogr_style_type
{
    OGRSTypeString,
    OGRSTypeDouble,
    OGRSTypeInteger
}  OGRSType;

typedef struct ogr_style_param
{
    int              eParam;
    char            *pszToken;
    GBool            bGeoref;
    OGRSType         eType;
}OGRStyleParamId;


typedef struct ogr_style_value
{
    char            *pszValue;
    double           dfValue;
    int              nValue;
    GBool            bValid;
    OGRSTUnitId      eUnit;
}OGRStyleValue;


//Everytime a pszStyleString gived in parameter is NULL, 
//    the StyleString defined in the Mgr will be use.

class CPL_DLL OGRStyleTable
{
public:
    char **m_papszStyleTable;

    OGRStyleTable();
    ~OGRStyleTable();
    GBool AddStyle(const char *pszName,const char *pszStyleString);
    GBool RemoveStyle(const char *pszName);
    GBool ModifyStyle(const char *pszName, const char *pszStyleString);
    
    GBool SaveStyleTable(const char *pszFilename);
    GBool LoadStyleTable(const char *pszFilename);
    const char *Find(const char *pszStyleString);
    GBool IsExist(const char *pszName);
    const char *GetStyleName(const char *pszName);
    void  Print(FILE *fpOut);
    void  Clear();
};


class OGRStyleTool;

class CPL_DLL OGRStyleMgr
{
public:
    char *m_pszStyleString;
    OGRStyleTable *m_poDataSetStyleTable;
    
    OGRStyleMgr(OGRStyleTable *poDataSetStyleTable =NULL);
 
    ~OGRStyleMgr();
    GBool SetFeatureStyleString(OGRFeature *,const char *pszStyleString=NULL,
                                GBool bNoMatching = FALSE);
    /*it will set in the gived feature the pszStyleString with 
            the style or will set the style name found in 
            dataset StyleTable (if bNoMatching == FALSE)*/
              
    const char *InitFromFeature(OGRFeature *);
    GBool InitStyleString(const char *pszStyleString = NULL);
    
    const char *GetStyleName(const char *pszStyleString= NULL);
    const char *GetStyleByName(const char *pszStyleName);
    
     GBool AddStyle(const char *pszStyleName, const char *pszStyleString=NULL);
    
    const char *GetStyleString(OGRFeature * = NULL);
 
    GBool AddPart(OGRStyleTool *);
    GBool AddPart(const char *);

    int GetPartCount(const char *pszStyleString = NULL);
    OGRStyleTool *GetPart(int hPartId, const char *pszStyleString = NULL);
    
    /*It could have a reference counting processus for the OGRStyleTable, if
      needed */
      
    OGRStyleTable *GetDataSetStyleTable(){return m_poDataSetStyleTable;}
    
    OGRStyleTool *CreateStyleToolFromStyleString(const char *pszStyleString);

};

class CPL_DLL OGRStyleTool
{
public:
    
    GBool m_bModified;
    GBool m_bParsed;
    double m_dfScale;
    OGRSTUnitId m_eUnit;
    OGRSTClassId m_eClassId;
    OGRStyleTool(){}
    OGRStyleTool(OGRSTClassId eClassId);
    virtual ~OGRStyleTool();

    GBool GetRGBFromString(const char *pszColor, int &nRed, int &nGreen, 
                           int &nBlue, int &nTransparence);
    int   GetSpecificId(const char *pszId, const char *pszWanted);

    GBool IsStyleModified() {return m_bModified;}
    void  StyleModified() {m_bModified = TRUE;}

    GBool IsStyleParsed() {return m_bParsed;}
    void  StyleParsed() {m_bParsed = TRUE;}

    char *m_pszStyleString;