mapserver.h

/******************************************************************************
 * $Id$
 *
 * Project:  MapServer
 * Purpose:  Primary MapServer include file.
 * Author:   Steve Lime and the MapServer team.
 *
 ******************************************************************************
 * Copyright (c) 1996-2005 Regents of the University of Minnesota.
 *
 * 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 of this Software or works derived from this 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.
 *****************************************************************************/

#ifndef MAP_H
#define MAP_H

#include "mapserver-config.h"



/*
** Main includes. If a particular header was needed by several .c files then
** I just put it here. What the hell, it works and it's all right here. -SDL-
*/
#if defined(HAVE_STRCASESTR) && !defined(_GNU_SOURCE)
#define _GNU_SOURCE /* Required for <string.h> strcasestr() defn */
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>

#if defined(_WIN32) && !defined(__CYGWIN__)
#include <direct.h>
#include <memory.h>
#include <malloc.h>
#include <process.h>
#include <float.h>
#else
#include <unistd.h>
#endif

#if defined(_WIN32) && !defined(__CYGWIN__)
#  define MS_DLL_EXPORT     __declspec(dllexport)
#define USE_MSFREE
#else
#define  MS_DLL_EXPORT
#endif

#if defined(__GNUC__)
#define WARN_UNUSED __attribute__((warn_unused_result))
#define LIKELY(x)   __builtin_expect((x),1)
#define UNLIKELY(x) __builtin_expect((x),0)
#else
#define WARN_UNUSED
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif

/* definition of  ms_int32/ms_uint32 */
#include <limits.h>
#ifndef _WIN32
#include <stdint.h>
#endif

#ifdef _WIN32
#ifndef SIZE_MAX
#ifdef _WIN64
#define SIZE_MAX _UI64_MAX
#else
#define SIZE_MAX UINT_MAX
#endif
#endif
#endif

#if ULONG_MAX == 0xffffffff
typedef long            ms_int32;
typedef unsigned long   ms_uint32;
#elif UINT_MAX == 0xffffffff
typedef int             ms_int32;
typedef unsigned int    ms_uint32;
#else
typedef int32_t         ms_int32;
typedef uint32_t        ms_uint32;
#endif

#if defined(_WIN32) && !defined(__CYGWIN__)
/* Need to use _vsnprintf() with VS2003 */
#define vsnprintf _vsnprintf
#endif

#include "mapserver-api.h"

#ifndef SWIG
/*forward declaration of rendering object*/
typedef struct rendererVTableObj rendererVTableObj;
typedef struct tileCacheObj tileCacheObj;
typedef struct textPathObj textPathObj;
typedef struct textRunObj textRunObj;
typedef struct glyph_element glyph_element;
typedef struct face_element face_element;
#endif


/* ms_bitarray is used by the bit mask in mapbit.c */
typedef ms_uint32 *     ms_bitarray;

#include "maperror.h"
#include "mapprimitive.h"
#include "mapshape.h"
#include "mapsymbol.h"
#include "maptree.h" /* quadtree spatial index */
#include "maphash.h"
#include "mapio.h"
#include <assert.h>
#include "mapproject.h"
#include "cgiutil.h"


#include <sys/types.h> /* regular expression support */

/* The regex lib from the system and the regex lib from PHP needs to
 * be separated here. We separate here via its directory location.
 */
#include "mapregex.h"


#ifdef USE_OGR
#define CPL_SUPRESS_CPLUSPLUS
#include "ogr_api.h"
#endif


/* EQUAL and EQUALN are defined in cpl_port.h, so add them in here if ogr was not included */

#ifndef EQUAL
#if defined(WIN32) || defined(WIN32CE)
#  define EQUAL(a,b)              (stricmp(a,b)==0)
#else
#  define EQUAL(a,b)              (strcasecmp(a,b)==0)
#endif
#endif

#ifndef EQUALN
#if defined(WIN32) || defined(WIN32CE)
#  define EQUALN(a,b,n)           (strnicmp(a,b,n)==0)
#else
#  define EQUALN(a,b,n)           (strncasecmp(a,b,n)==0)
#endif
#endif


#if defined(_WIN32) && !defined(__CYGWIN__)
#define snprintf _snprintf
#endif

#ifdef __cplusplus
extern "C" {
#endif

// hide from swig or ruby will choke on the __FUNCTION__ name
#ifndef SWIG
  /* Memory allocation check utility */
#ifndef __FUNCTION__
#   define __FUNCTION__ "MapServer"
#endif
#endif

#define MS_CHECK_ALLOC(var, size, retval)     \
    if (!var) {   \
        msSetError(MS_MEMERR, "%s: %d: Out of memory allocating %u bytes.\n", __FUNCTION__, \
                   __FILE__, __LINE__, (unsigned int)(size));  \
        return retval;                         \
    }

#define MS_CHECK_ALLOC_NO_RET(var, size)                                   \
    if (!var) {                                                       \
        msSetError(MS_MEMERR, "%s: %d: Out of memory allocating %u bytes.\n", __FUNCTION__, \
                   __FILE__, __LINE__, (unsigned int)(size));                           \
        return;                                                         \
    }

  /* General defines, wrapable */

#define MS_TRUE 1 /* logical control variables */
#define MS_FALSE 0
#define MS_UNKNOWN -1
#define MS_ON 1
#define MS_OFF 0
#define MS_DEFAULT 2
#define MS_EMBED 3
#define MS_DELETE 4
#define MS_YES 1
#define MS_NO 0


  /* Number of layer, class and style ptrs to alloc at once in the
     corresponding msGrow...() functions. Replaces former MS_MAXLAYERS,
     MS_MAXCLASSES and MS_MAXSTYLES with dynamic allocation (see RFC-17). */
#define MS_LAYER_ALLOCSIZE 64
#define MS_CLASS_ALLOCSIZE 8
#define MS_STYLE_ALLOCSIZE 4
#define MS_LABEL_ALLOCSIZE 2 /* not too common */

#define MS_MAX_LABEL_PRIORITY     10
#define MS_MAX_LABEL_FONTS     5
#define MS_DEFAULT_LABEL_PRIORITY 1
#define MS_LABEL_FORCE_GROUP 2 /* other values are MS_ON/MS_OFF */

  /* General defines, not wrapable */
#ifndef SWIG
#ifdef USE_XMLMAPFILE
#define MS_DEFAULT_MAPFILE_PATTERN "\\.(map|xml)$"
#define MS_DEFAULT_XMLMAPFILE_PATTERN "\\.xml$"
#else
#define MS_DEFAULT_MAPFILE_PATTERN "\\.map$"
#endif
#define MS_TEMPLATE_MAGIC_STRING "MapServer Template"
#define MS_TEMPLATE_EXPR "\\.(xml|wml|html|htm|svg|kml|gml|js|tmpl)$"

#define MS_INDEX_EXTENSION ".qix"

#define MS_QUERY_RESULTS_MAGIC_STRING "MapServer Query Results"
#define MS_QUERY_PARAMS_MAGIC_STRING "MapServer Query Params"
#define MS_QUERY_EXTENSION ".qy"

#define MS_DEG_TO_RAD .0174532925199432958
#define MS_RAD_TO_DEG   57.29577951

#define MS_DEFAULT_RESOLUTION 72

#define MS_RED 0
#define MS_GREEN 1
#define MS_BLUE 2

#define MS_MAXCOLORS 256

#define MS_MISSING_DATA_IGNORE 0
#define MS_MISSING_DATA_FAIL 1
#define MS_MISSING_DATA_LOG 2

#define MS_BUFFER_LENGTH 2048 /* maximum input line length */
#define MS_URL_LENGTH 1024
#define MS_MAXPATHLEN 1024

#define MS_MAXIMAGESIZE_DEFAULT 2048

#define MS_MAXPROJARGS 20
#define MS_MAXJOINS 20
#define MS_ITEMNAMELEN 32
#define MS_NAMELEN 20

#define MS_MINSYMBOLSIZE 0   /* in pixels */
#define MS_MAXSYMBOLSIZE 500

#define MS_MINSYMBOLWIDTH 0   /* in pixels */
#define MS_MAXSYMBOLWIDTH 32

#define MS_URL 0 /* template types */
#define MS_FILE 1

#define MS_MINFONTSIZE 4
#define MS_MAXFONTSIZE 256

#define MS_LABELCACHEINITSIZE 100
#define MS_LABELCACHEINCREMENT 10

#define MS_RESULTCACHEINITSIZE 10
#define MS_RESULTCACHEINCREMENT 10

#define MS_FEATUREINITSIZE 10 /* how many points initially can a feature have */
#define MS_FEATUREINCREMENT 10

#define MS_EXPRESSION 2000 /* todo: make this an enum */
#define MS_REGEX 2001
#define MS_STRING 2002
#define MS_NUMBER 2003
#define MS_COMMENT 2004
#define MS_IREGEX 2005
#define MS_ISTRING 2006
#define MS_BINDING 2007
#define MS_LIST 2008

  /* string split flags */
#define MS_HONOURSTRINGS      0x0001
#define MS_ALLOWEMPTYTOKENS   0x0002
#define MS_PRESERVEQUOTES     0x0004
#define MS_PRESERVEESCAPES    0x0008
#define MS_STRIPLEADSPACES    0x0010
#define MS_STRIPENDSPACES     0x0020

  /* boolean options for the expression object. */
#define MS_EXP_INSENSITIVE 1

  /* General macro definitions */
#define MS_MIN(a,b) (((a)<(b))?(a):(b))
#define MS_MAX(a,b) (((a)>(b))?(a):(b))
#define MS_ABS(a) (((a)<0) ? -(a) : (a))
#define MS_SGN(a) (((a)<0) ? -1 : 1)

#define MS_NINT_GENERIC(x) ((x) >= 0.0 ? ((long) ((x)+.5)) : ((long) ((x)-.5)))

#ifdef _MSC_VER
#define msIsNan(x) _isnan(x)
#else
#define msIsNan(x) isnan(x)
#endif

  /* see http://mega-nerd.com/FPcast/ for some discussion of fast
     conversion to nearest int.  We avoid lrint() for now because it
     would be hard to include math.h "properly". */

#if defined(HAVE_LRINT) && !defined(USE_GENERIC_MS_NINT)
#   define MS_NINT(x) lrint(x)
  /*#   define MS_NINT(x) lround(x) */
/* note that lrint rounds .5 to the nearest *even* integer, i.e. lrint(0.5)=0,lrint(1.5)=2 */
#elif defined(_MSC_VER) && defined(_WIN32) && !defined(USE_GENERIC_MS_NINT)
  static __inline long int MS_NINT (double flt)
  {
    int intgr;

    _asm {
      fld flt
      fistp intgr
    } ;

    return intgr ;
  }
#elif defined(i386) && defined(__GNUC_PREREQ) && !defined(USE_GENERIC_MS_NINT)
  static __inline long int MS_NINT( double __x )
  {
    long int __lrintres;
    __asm__ __volatile__
    ("fistpl %0"
     : "=m" (__lrintres) : "t" (__x) : "st");
    return __lrintres;
  }
#else
#  define MS_NINT(x)      MS_NINT_GENERIC(x)
#endif


  /* #define MS_VALID_EXTENT(minx, miny, maxx, maxy)  (((minx<maxx) && (miny<maxy))?MS_TRUE:MS_FALSE) */
#define MS_VALID_EXTENT(rect)  (((rect.minx < rect.maxx && rect.miny < rect.maxy))?MS_TRUE:MS_FALSE)

#define MS_INIT_COLOR(color,r,g,b,a) { (color).red = r; (color).green = g; (color).blue = b; (color).alpha=a; }
#define MS_VALID_COLOR(color) (((color).red==-1 || (color).green==-1 || (color).blue==-1)?MS_FALSE:MS_TRUE)
#define MS_COMPARE_COLOR(color1, color2) (((color2).red==(color1).red && (color2).green==(color1).green && (color2).blue==(color1).blue)?MS_TRUE:MS_FALSE)
#define MS_TRANSPARENT_COLOR(color) (((color).alpha==0 || (color).red==-255 || (color).green==-255 || (color).blue==-255)?MS_TRUE:MS_FALSE)
#define MS_COMPARE_COLORS(a,b) (((a).red!=(b).red || (a).green!=(b).green || (a).blue!=(b).blue)?MS_FALSE:MS_TRUE)
#define MS_COLOR_GETRGB(color) (MS_VALID_COLOR(color)?((color).red *0x10000 + (color).green *0x100 + (color).blue):-1)

#define MS_IMAGE_MIME_TYPE(format) (format->mimetype ? format->mimetype : "unknown")
#define MS_IMAGE_EXTENSION(format)  (format->extension ? format->extension : "unknown")
#define MS_DRIVER_SWF(format) (strncasecmp((format)->driver,"swf",3)==0)
#define MS_DRIVER_GDAL(format)  (strncasecmp((format)->driver,"gdal/",5)==0)
#define MS_DRIVER_IMAGEMAP(format)  (strncasecmp((format)->driver,"imagemap",8)==0)
#define MS_DRIVER_AGG(format) (strncasecmp((format)->driver,"agg/",4)==0)
#define MS_DRIVER_CAIRO(format) (strncasecmp((format)->driver,"cairo/",6)==0)
#define MS_DRIVER_OGL(format) (strncasecmp((format)->driver,"ogl/",4)==0)
#define MS_DRIVER_TEMPLATE(format) (strncasecmp((format)->driver,"template",8)==0)

#endif /*SWIG*/

#define MS_RENDER_WITH_SWF      2
#define MS_RENDER_WITH_RAWDATA  3
#define MS_RENDER_WITH_IMAGEMAP 5
#define MS_RENDER_WITH_TEMPLATE 8 /* query results only */
#define MS_RENDER_WITH_OGR 16

#define MS_RENDER_WITH_PLUGIN 100
#define MS_RENDER_WITH_CAIRO_RASTER   101
#define MS_RENDER_WITH_CAIRO_PDF 102
#define MS_RENDER_WITH_CAIRO_SVG 103
#define MS_RENDER_WITH_OGL      104
#define MS_RENDER_WITH_AGG 105
#define MS_RENDER_WITH_KML 106
#define MS_RENDER_WITH_UTFGRID 107

#ifndef SWIG

#define MS_RENDERER_SWF(format) ((format)->renderer == MS_RENDER_WITH_SWF)
#define MS_RENDERER_RAWDATA(format) ((format)->renderer == MS_RENDER_WITH_RAWDATA)
#define MS_RENDERER_IMAGEMAP(format) ((format)->renderer == MS_RENDER_WITH_IMAGEMAP)
#define MS_RENDERER_TEMPLATE(format) ((format)->renderer == MS_RENDER_WITH_TEMPLATE)
#define MS_RENDERER_KML(format) ((format)->renderer == MS_RENDER_WITH_KML)
#define MS_RENDERER_OGR(format) ((format)->renderer == MS_RENDER_WITH_OGR)

#define MS_RENDERER_PLUGIN(format) ((format)->renderer > MS_RENDER_WITH_PLUGIN)

#define MS_CELLSIZE(min,max,d) ((max - min)/(d-1)) /* where min/max are from an MapServer pixel center-to-pixel center extent */
#define MS_OWS_CELLSIZE(min,max,d) ((max - min)/d) /* where min/max are from an OGC pixel outside edge-to-pixel outside edge extent */
#define MS_MAP2IMAGE_X(x,minx,cx) (MS_NINT((x - minx)/cx))
#define MS_MAP2IMAGE_Y(y,maxy,cy) (MS_NINT((maxy - y)/cy))
#define MS_IMAGE2MAP_X(x,minx,cx) (minx + cx*x)
#define MS_IMAGE2MAP_Y(y,maxy,cy) (maxy - cy*y)

  /* these versions of MS_MAP2IMAGE takes 1/cellsize and is much faster */
#define MS_MAP2IMAGE_X_IC(x,minx,icx) (MS_NINT((x - minx)*icx))
#define MS_MAP2IMAGE_Y_IC(y,maxy,icy) (MS_NINT((maxy - y)*icy))

#define MS_MAP2IMAGE_X_IC_DBL(x,minx,icx) ((x - minx)*icx)
#define MS_MAP2IMAGE_Y_IC_DBL(y,maxy,icy) ((maxy - y)*icy)

#define MS_MAP2IMAGE_X_IC_SNAP(x,minx,icx,res) ((MS_NINT((x - minx)*icx*res))/(res))
#define MS_MAP2IMAGE_Y_IC_SNAP(y,maxy,icy,res) ((MS_NINT((maxy - y)*icy*res))/(res))

  /* For CARTO symbols */
#define MS_PI    3.14159265358979323846
#define MS_PI2   1.57079632679489661923  /* (MS_PI / 2) */
#define MS_3PI2  4.71238898038468985769  /* (3 * MS_PI2) */
#define MS_2PI   6.28318530717958647693  /* (2 * MS_PI) */

#define MS_ENCRYPTION_KEY_SIZE  16   /* Key size: 128 bits = 16 bytes */

#define GET_LAYER(map, pos) map->layers[pos]
#define GET_CLASS(map, lid, cid) map->layers[lid]->class[cid]

#ifdef USE_THREAD
#if defined(HAVE_SYNC_FETCH_AND_ADD)
#define MS_REFCNT_INCR(obj) __sync_fetch_and_add(&obj->refcount, +1)
#define MS_REFCNT_DECR(obj) __sync_sub_and_fetch(&obj->refcount, +1)
#define MS_REFCNT_INIT(obj) obj->refcount=1, __sync_synchronize()
#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
#pragma intrinsic (_InterlockedExchangeAdd)
#if defined(_MSC_VER) && (_MSC_VER <= 1200)
#define MS_REFCNT_INCR(obj) ( _InterlockedExchangeAdd((long*)(&obj->refcount), (long)(+1)) +1 )
#define MS_REFCNT_DECR(obj) ( _InterlockedExchangeAdd((long*)(&obj->refcount), (long)(-1)) -1 )
#define MS_REFCNT_INIT(obj) obj->refcount=1
#else
#define MS_REFCNT_INCR(obj) ( _InterlockedExchangeAdd((volatile long*)(&obj->refcount), (long)(+1)) +1 )
#define MS_REFCNT_DECR(obj) ( _InterlockedExchangeAdd((volatile long*)(&obj->refcount), (long)(-1)) -1 )
#define MS_REFCNT_INIT(obj) obj->refcount=1
#endif
#elif defined(__MINGW32__) && defined(__i386__)
#define MS_REFCNT_INCR(obj) ( InterlockedExchangeAdd((long*)(&obj->refcount), (long)(+1)) +1 )
#define MS_REFCNT_DECR(obj) ( InterlockedExchangeAdd((long*)(&obj->refcount), (long)(-1)) -1 )
#define MS_REFCNT_INIT(obj) obj->refcount=1
#else
  // unsafe fallback
#define MS_REFCNT_INCR(obj) obj->refcount++
#define MS_REFCNT_DECR(obj) (--(obj->refcount))
#define MS_REFCNT_INIT(obj) obj->refcount=1
#endif // close if defined(_MSC..
#else /*USE_THREAD*/
#define MS_REFCNT_INCR(obj) obj->refcount++
#define MS_REFCNT_DECR(obj) (--(obj->refcount))
#define MS_REFCNT_INIT(obj) obj->refcount=1
#endif /*USE_THREAD*/

#define MS_REFCNT_DECR_IS_NOT_ZERO(obj) (MS_REFCNT_DECR(obj))>0
#define MS_REFCNT_DECR_IS_ZERO(obj) (MS_REFCNT_DECR(obj))<=0

#define MS_IS_VALID_ARRAY_INDEX(index, size) ((index<0 || index>=size)?MS_FALSE:MS_TRUE)

#define MS_CONVERT_UNIT(src_unit, dst_unit, value) (value * msInchesPerUnit(src_unit,0) / msInchesPerUnit(dst_unit,0))
  
#endif

  /* General enumerated types - needed by scripts */
  enum MS_FILE_TYPE {MS_FILE_MAP, MS_FILE_SYMBOL};
  enum MS_UNITS {MS_INCHES, MS_FEET, MS_MILES, MS_METERS, MS_KILOMETERS, MS_DD, MS_PIXELS, MS_PERCENTAGES, MS_NAUTICALMILES};
  enum MS_SHAPE_TYPE {MS_SHAPE_POINT, MS_SHAPE_LINE, MS_SHAPE_POLYGON, MS_SHAPE_NULL};
  enum MS_LAYER_TYPE {MS_LAYER_POINT, MS_LAYER_LINE, MS_LAYER_POLYGON, MS_LAYER_RASTER, MS_LAYER_ANNOTATION /* only used for parser backwards compatibility */, MS_LAYER_QUERY, MS_LAYER_CIRCLE, MS_LAYER_TILEINDEX, MS_LAYER_CHART};
  enum MS_FONT_TYPE {MS_TRUETYPE, MS_BITMAP};

#define MS_POSITIONS_LENGTH 14
  enum MS_POSITIONS_ENUM {MS_UL=101, MS_LR, MS_UR, MS_LL, MS_CR, MS_CL, MS_UC, MS_LC, MS_CC, MS_AUTO, MS_XY, MS_NONE, MS_AUTO2,MS_FOLLOW};
#define MS_TINY 5
#define MS_SMALL 7
#define MS_MEDIUM 10
#define MS_LARGE 13
#define MS_GIANT 16
  enum MS_QUERYMAP_STYLES {MS_NORMAL, MS_HILITE, MS_SELECTED};
  enum MS_CONNECTION_TYPE {MS_INLINE, MS_SHAPEFILE, MS_TILED_SHAPEFILE, MS_SDE, MS_OGR, MS_UNUSED_1, MS_POSTGIS, MS_WMS, MS_ORACLESPATIAL, MS_WFS, MS_GRATICULE, MS_MYSQL, MS_RASTER, MS_PLUGIN, MS_UNION, MS_UVRASTER, MS_CONTOUR };
  enum MS_JOIN_CONNECTION_TYPE {MS_DB_XBASE, MS_DB_CSV, MS_DB_MYSQL, MS_DB_ORACLE, MS_DB_POSTGRES};
  enum MS_JOIN_TYPE {MS_JOIN_ONE_TO_ONE, MS_JOIN_ONE_TO_MANY};

#define MS_SINGLE 0 /* modes for searching (spatial/database) */
#define MS_MULTIPLE 1

  enum MS_QUERY_MODE {MS_QUERY_SINGLE, MS_QUERY_MULTIPLE};
  enum MS_QUERY_TYPE {MS_QUERY_IS_NULL, MS_QUERY_BY_POINT, MS_QUERY_BY_RECT, MS_QUERY_BY_SHAPE, MS_QUERY_BY_ATTRIBUTE, MS_QUERY_BY_INDEX, MS_QUERY_BY_FILTER};

  enum MS_ALIGN_VALUE {MS_ALIGN_DEFAULT, MS_ALIGN_LEFT, MS_ALIGN_CENTER, MS_ALIGN_RIGHT};

  enum MS_CAPS_JOINS_AND_CORNERS {MS_CJC_NONE, MS_CJC_BEVEL, MS_CJC_BUTT, MS_CJC_MITER, MS_CJC_ROUND, MS_CJC_SQUARE, MS_CJC_TRIANGLE};

#define MS_CJC_DEFAULT_CAPS MS_CJC_ROUND
#define MS_CJC_DEFAULT_JOINS MS_CJC_NONE
#define MS_CJC_DEFAULT_JOIN_MAXSIZE 3

  enum MS_RETURN_VALUE {MS_SUCCESS, MS_FAILURE, MS_DONE};
  enum MS_IMAGEMODE { MS_IMAGEMODE_PC256, MS_IMAGEMODE_RGB, MS_IMAGEMODE_RGBA, MS_IMAGEMODE_INT16, MS_IMAGEMODE_FLOAT32, MS_IMAGEMODE_BYTE, MS_IMAGEMODE_FEATURE, MS_IMAGEMODE_NULL };

  enum MS_GEOS_OPERATOR {MS_GEOS_EQUALS, MS_GEOS_DISJOINT, MS_GEOS_TOUCHES, MS_GEOS_OVERLAPS, MS_GEOS_CROSSES, MS_GEOS_INTERSECTS, MS_GEOS_WITHIN, MS_GEOS_CONTAINS, MS_GEOS_BEYOND, MS_GEOS_DWITHIN};
#define MS_FILE_DEFAULT MS_FILE_MAP

#if defined(_MSC_VER) && (_MSC_VER <= 1310)
#define MS_DEBUG msDebug2
#else
#ifdef USE_EXTENDED_DEBUG
#define MS_DEBUG(level,elt,fmt, ...) if((elt)->debug >= (level)) msDebug(fmt,##__VA_ARGS__)
#else
#define MS_DEBUG(level,elt,fmt, ...) /* no-op */
#endif
#endif

  /* coordinate to pixel simplification modes, used in msTransformShape */
  enum MS_TRANSFORM_MODE {
    MS_TRANSFORM_NONE, /* no geographic to pixel transformation */
    MS_TRANSFORM_ROUND, /* round to integer, might create degenerate geometries (used for GD)*/
    MS_TRANSFORM_SNAPTOGRID, /* snap to a grid, should be user configurable in the future*/
    MS_TRANSFORM_FULLRESOLUTION, /* keep full resolution */
    MS_TRANSFORM_SIMPLIFY /* keep full resolution */
  };

#ifndef SWIG
  /* Filter object */
  typedef enum {
    FILTER_NODE_TYPE_UNDEFINED = -1,
    FILTER_NODE_TYPE_LOGICAL = 0,
    FILTER_NODE_TYPE_SPATIAL = 1,
    FILTER_NODE_TYPE_COMPARISON = 2,
    FILTER_NODE_TYPE_PROPERTYNAME = 3,
    FILTER_NODE_TYPE_BBOX = 4,
    FILTER_NODE_TYPE_LITERAL = 5,
    FILTER_NODE_TYPE_BOUNDARY = 6,
    FILTER_NODE_TYPE_GEOMETRY_POINT = 7,
    FILTER_NODE_TYPE_GEOMETRY_LINE = 8,
    FILTER_NODE_TYPE_GEOMETRY_POLYGON = 9,
    FILTER_NODE_TYPE_FEATUREID = 10,
    FILTER_NODE_TYPE_TEMPORAL = 11,
    FILTER_NODE_TYPE_TIME_PERIOD = 12
  } FilterNodeType;


  /************************************************************************/
  /*                          FilterEncodingNode                          */
  /************************************************************************/

  typedef struct _FilterNode {
    FilterNodeType      eType;
    char                *pszValue;
    void                *pOther;
    char                *pszSRS;
    struct _FilterNode  *psLeftNode;
    struct _FilterNode  *psRightNode;
  } FilterEncodingNode;
#endif /*SWIG*/

  /* Define supported bindings here (only covers existing bindings at first). Not accessible directly using MapScript. */
#define MS_STYLE_BINDING_LENGTH 12
  enum MS_STYLE_BINDING_ENUM { MS_STYLE_BINDING_SIZE, MS_STYLE_BINDING_WIDTH, MS_STYLE_BINDING_ANGLE, MS_STYLE_BINDING_COLOR, MS_STYLE_BINDING_OUTLINECOLOR, MS_STYLE_BINDING_SYMBOL, MS_STYLE_BINDING_OUTLINEWIDTH, MS_STYLE_BINDING_OPACITY, MS_STYLE_BINDING_OFFSET_X, MS_STYLE_BINDING_OFFSET_Y, MS_STYLE_BINDING_POLAROFFSET_PIXEL, MS_STYLE_BINDING_POLAROFFSET_ANGLE };
#define MS_LABEL_BINDING_LENGTH 9
  enum MS_LABEL_BINDING_ENUM { MS_LABEL_BINDING_SIZE, MS_LABEL_BINDING_ANGLE, MS_LABEL_BINDING_COLOR, MS_LABEL_BINDING_OUTLINECOLOR, MS_LABEL_BINDING_FONT, MS_LABEL_BINDING_PRIORITY, MS_LABEL_BINDING_POSITION, MS_LABEL_BINDING_SHADOWSIZEX, MS_LABEL_BINDING_SHADOWSIZEY };

  /************************************************************************/
  /*                         attributeBindingObj                          */
  /************************************************************************/
#ifndef SWIG
  typedef struct {
    char *item;
    int index;
  } attributeBindingObj;
#endif /*SWIG*/

  /************************************************************************/
  /*                             labelPathObj                             */
  /*                                                                      */
  /*      Label path object - used to hold path and bounds of curved      */
  /*      labels - Bug #1620 implementation.                              */
  /************************************************************************/
#ifndef SWIG
  typedef struct {
    multipointObj path;
    shapeObj bounds;
    double *angles;
  } labelPathObj;
#endif /*SWIG*/

  /************************************************************************/
  /*                              fontSetObj                              */
  /*                                                                      */
  /*      used to hold aliases for TRUETYPE fonts                         */
  /************************************************************************/

  typedef struct {
#ifdef SWIG
    %immutable;
#endif
    char *filename;
    int numfonts;
    hashTableObj fonts;
#ifdef SWIG
    %mutable;
#endif

#ifndef SWIG
    struct mapObj *map;
#endif
  } fontSetObj;

  /************************************************************************/
  /*                         featureListNodeObj                           */
  /*                                                                      */
  /*      for inline features, shape caches and queries                   */
  /************************************************************************/
#ifndef SWIG
  typedef struct listNode {
    shapeObj shape;
    struct listNode *next;
    struct listNode *tailifhead; /* this is the tail node in the list, if this is the head element, otherwise NULL */
  } featureListNodeObj;

  typedef featureListNodeObj * featureListNodeObjPtr;
#endif

  /************************************************************************/
  /*                              paletteObj                              */
  /*                                                                      */
  /*      used to hold colors while a map file is read                    */
  /************************************************************************/
#ifndef SWIG
  typedef struct {
    colorObj colors[MS_MAXCOLORS-1];
    int      colorvalue[MS_MAXCOLORS-1];
    int numcolors;
  } paletteObj;
#endif

  /************************************************************************/
  /*                     expressionObj & tokenObj                         */
  /************************************************************************/

  enum MS_TOKEN_LOGICAL_ENUM { MS_TOKEN_LOGICAL_AND=300, MS_TOKEN_LOGICAL_OR, MS_TOKEN_LOGICAL_NOT };
  enum MS_TOKEN_LITERAL_ENUM { MS_TOKEN_LITERAL_NUMBER=310, MS_TOKEN_LITERAL_STRING, MS_TOKEN_LITERAL_TIME, MS_TOKEN_LITERAL_SHAPE };
  enum MS_TOKEN_COMPARISON_ENUM {
    MS_TOKEN_COMPARISON_EQ=320, MS_TOKEN_COMPARISON_NE, MS_TOKEN_COMPARISON_GT, MS_TOKEN_COMPARISON_LT, MS_TOKEN_COMPARISON_LE, MS_TOKEN_COMPARISON_GE, MS_TOKEN_COMPARISON_IEQ,
    MS_TOKEN_COMPARISON_RE, MS_TOKEN_COMPARISON_IRE,
    MS_TOKEN_COMPARISON_IN, MS_TOKEN_COMPARISON_LIKE,
    MS_TOKEN_COMPARISON_INTERSECTS, MS_TOKEN_COMPARISON_DISJOINT, MS_TOKEN_COMPARISON_TOUCHES, MS_TOKEN_COMPARISON_OVERLAPS, MS_TOKEN_COMPARISON_CROSSES, MS_TOKEN_COMPARISON_WITHIN, MS_TOKEN_COMPARISON_CONTAINS,
    MS_TOKEN_COMPARISON_BEYOND, MS_TOKEN_COMPARISON_DWITHIN
  };
  enum MS_TOKEN_FUNCTION_ENUM {
    MS_TOKEN_FUNCTION_LENGTH=340, MS_TOKEN_FUNCTION_TOSTRING, MS_TOKEN_FUNCTION_COMMIFY, MS_TOKEN_FUNCTION_AREA, MS_TOKEN_FUNCTION_ROUND, MS_TOKEN_FUNCTION_FROMTEXT,
    MS_TOKEN_FUNCTION_BUFFER, MS_TOKEN_FUNCTION_DIFFERENCE, MS_TOKEN_FUNCTION_SIMPLIFY, MS_TOKEN_FUNCTION_SIMPLIFYPT, MS_TOKEN_FUNCTION_GENERALIZE, MS_TOKEN_FUNCTION_SMOOTHSIA,
    MS_TOKEN_FUNCTION_UPPER, MS_TOKEN_FUNCTION_LOWER, MS_TOKEN_FUNCTION_INITCAP, MS_TOKEN_FUNCTION_FIRSTCAP
  };
  enum MS_TOKEN_BINDING_ENUM { MS_TOKEN_BINDING_DOUBLE=360, MS_TOKEN_BINDING_INTEGER, MS_TOKEN_BINDING_STRING, MS_TOKEN_BINDING_TIME, MS_TOKEN_BINDING_SHAPE, MS_TOKEN_BINDING_MAP_CELLSIZE, MS_TOKEN_BINDING_DATA_CELLSIZE };
  enum MS_PARSE_TYPE_ENUM { MS_PARSE_TYPE_BOOLEAN, MS_PARSE_TYPE_STRING, MS_PARSE_TYPE_SHAPE };

#ifndef SWIG
  typedef union {
    int intval;
    char *strval;
    shapeObj *shpval;
  } parseResultObj;

  typedef union {
    double dblval;
    int intval;
    char *strval;
    struct tm tmval;
    shapeObj *shpval;
    attributeBindingObj bindval;
  } tokenValueObj;

  typedef struct tokenListNode {
    int token;
    tokenValueObj tokenval;
    struct tokenListNode *next;
    struct tokenListNode *tailifhead; /* this is the tail node in the list if this is the head element, otherwise NULL */
  } tokenListNodeObj;

  typedef tokenListNodeObj * tokenListNodeObjPtr;

  typedef struct {
    char *string;
    int type;
    /* container for expression options such as case-insensitiveness */
    /* This is a boolean container. */
    int flags;

    /* logical expression options */
    tokenListNodeObjPtr tokens;
    tokenListNodeObjPtr curtoken;

    /* regular expression options */
    ms_regex_t regex; /* compiled regular expression to be matched */
    int compiled;
  } expressionObj;

  typedef struct {
    colorObj *pixel; /* for raster layers */
    shapeObj *shape; /* for vector layers */
    double dblval; /* for map cellsize used by simplify */
    double dblval2; /* for data cellsize */    
    expressionObj *expr; /* expression to be evaluated (contains tokens) */
    int type; /* type of parse: boolean, string/text or shape/geometry */
    parseResultObj result; /* parse result */
  } parseObj;
#endif

  /* MS RFC 69*/
  typedef struct {
    double maxdistance; /* max distance between clusters */
    double buffer;      /* the buffer size around the selection area */
    char* region;       /* type of the cluster region (rectangle or ellipse) */
#ifndef SWIG
    expressionObj group; /* expression to identify the groups */
    expressionObj filter; /* expression for filtering the shapes */
#endif
  } clusterObj;

  /************************************************************************/
  /*                               joinObj                                */
  /*                                                                      */
  /*      simple way to access other XBase files, one-to-one or           */
  /*      one-to-many supported                                           */
  /************************************************************************/

#ifndef SWIG
  typedef struct {
    char *name;
    char **items, **values; /* items/values (process 1 record at a time) */
    int numitems;

    char *table;
    char *from, *to; /* item names */

    void *joininfo; /* vendor specific (i.e. XBase, MySQL, etc.) stuff to allow for persistant access */

    char *header, *footer;
#ifndef __cplusplus
    char *template;
#else
    char *_template;
#endif

    enum MS_JOIN_TYPE type;
    char *connection;
    enum MS_JOIN_CONNECTION_TYPE connectiontype;
  } joinObj;
#endif

  /************************************************************************/
  /*                           outputFormatObj                            */
  /*                                                                      */
  /*      see mapoutput.c for most related code.                          */
  /************************************************************************/

  typedef struct {
#ifndef SWIG
    int refcount;
    char **formatoptions;
#endif /* SWIG */
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int  numformatoptions;
#ifdef SWIG
    %mutable;
#endif /* SWIG */
    char *name;
    char *mimetype;
    char *driver;
    char *extension;
    int  renderer;  /* MS_RENDER_WITH_* */
    int  imagemode; /* MS_IMAGEMODE_* value. */
    int  transparent;
    int  bands;
    int inmapfile; /* boolean value for writing */
#ifndef SWIG
    rendererVTableObj *vtable;
    void *device; /* for supporting direct rendering onto a device context */
#endif
  } outputFormatObj;

  /* The following is used for "don't care" values in transparent, interlace and
     imagequality values. */
#define MS_NOOVERRIDE  -1111

  /************************************************************************/
  /*                             queryObj                                 */
  /*                                                                      */
  /*      encapsulates the information necessary to perform a query       */
  /************************************************************************/
#ifndef SWIG
  typedef struct {
    int type; /* MS_QUERY_TYPE */
    int mode; /* MS_QUERY_MODE */

    int layer;

    pointObj point; /* by point */
    double buffer;
    int maxresults;

    rectObj rect; /* by rect */
    shapeObj *shape; /* by shape & operator (OGC filter) */

    long shapeindex; /* by index */
    long tileindex;
    int clear_resultcache;

    int  maxfeatures; /* global maxfeatures */    
    int  startindex;
    int  only_cache_result_count; /* set to 1 sometimes by WFS 2.0 GetFeature request */
    
    char *item; /* by attribute */
    char *str;

    expressionObj *filter; /* by filter */

    int slayer; /* selection layer, used for msQueryByFeatures() (note this is not a query mode per se) */
  } queryObj;
#endif

  /************************************************************************/
  /*                             queryMapObj                              */
  /*                                                                      */
  /*      used to visualize query results                                 */
  /************************************************************************/
  typedef struct {
    int height, width;
    int status;
    int style; /* HILITE, SELECTED or NORMAL */
    colorObj color;
  } queryMapObj;

  /************************************************************************/
  /*                                webObj                                */
  /*                                                                      */
  /*      holds parameters for a mapserver/mapscript interface            */
  /************************************************************************/

  typedef struct {
    char *log;
    char *imagepath, *imageurl, *temppath;

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    struct mapObj *map;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

#ifndef __cplusplus
    char *template;
#else
    char *_template;
#endif

    char *header, *footer;
    char *empty, *error; /* error handling */
    rectObj extent; /* clipping extent */
    double minscaledenom, maxscaledenom;
    char *mintemplate, *maxtemplate;

    char *queryformat; /* what format is the query to be returned, given as a MIME type */
    char *legendformat;
    char *browseformat;

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    hashTableObj metadata;
    hashTableObj validation;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

  } webObj;

  /************************************************************************/
  /*                               styleObj                               */
  /*                                                                      */
  /*      holds parameters for symbolization, multiple styles may be      */
  /*      applied within a classObj                                       */
  /************************************************************************/

  struct styleObj{
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int refcount;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

#ifndef SWIG
    /* private vars for rfc 48 & 64 */
    expressionObj _geomtransform;
#endif

    /*should an angle be automatically computed*/
    int autoangle;

    colorObj color;
    colorObj backgroundcolor;
    colorObj outlinecolor;

    int opacity;

    /* Stuff to handle Color Range Styles */
    colorObj mincolor;
    colorObj maxcolor;
    double minvalue;
    double maxvalue;
    char *rangeitem;
    int rangeitemindex;

    int symbol;
    char *symbolname;

    double size;
    double minsize, maxsize;

    int patternlength;  /*moved from symbolObj in version 6.0*/
    double pattern[MS_MAXPATTERNLENGTH]; /*moved from symbolObj in version 6.0*/

    double gap; /*moved from symbolObj in version 6.0*/
    double initialgap;
    int position; /*moved from symbolObj in version 6.0*/

    int linecap, linejoin; /*moved from symbolObj in version 6.0*/
    double linejoinmaxsize; /*moved from symbolObj in version 6.0*/

    double width;
    double outlinewidth;
    double minwidth, maxwidth;

    double offsetx, offsety; /* for shadows, hollow symbols, etc... */
    double polaroffsetpixel, polaroffsetangle;

    double angle;

    double minscaledenom, maxscaledenom;

#ifndef SWIG
    attributeBindingObj bindings[MS_STYLE_BINDING_LENGTH];
    int numbindings;
#endif
  };

#define MS_STYLE_SINGLE_SIDED_OFFSET -99
#define MS_STYLE_DOUBLE_SIDED_OFFSET -999
#define IS_PARALLEL_OFFSET(offsety) (offsety == MS_STYLE_SINGLE_SIDED_OFFSET || offsety == MS_STYLE_DOUBLE_SIDED_OFFSET)

  /********************************************************************/
  /*                          labelLeaderObj                          */
  /*                                                                  */
  /*  parameters defining how a label or a group of labels may be     */
  /*  offsetted from its original position                            */
  /********************************************************************/

  typedef struct {
    int maxdistance;
    int gridstep;
#ifndef SWIG
    styleObj **styles;
    int maxstyles;
#endif

#ifdef SWIG
    %immutable;
#endif
    int numstyles;
#ifdef SWIG
    %mutable;
#endif

  } labelLeaderObj;


  /************************************************************************/
  /*                               labelObj                               */
  /*                                                                      */
  /*      parameters needed to annotate a layer, legend or scalebar       */
  /************************************************************************/

  struct labelObj{
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int refcount;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    char *font;
    colorObj color;
    colorObj outlinecolor;
    int outlinewidth;

    colorObj shadowcolor;
    int shadowsizex, shadowsizey;

    int size;
    int minsize, maxsize;

    int position;
    int offsetx, offsety;

    double angle;
    enum MS_POSITIONS_ENUM anglemode;

    int buffer; /* space to reserve around a label */

    int align;

    char wrap;
    int maxlength;
    int minlength;
    double space_size_10; /*cached size of a single space character used for label text alignment of rfc40 */

    int minfeaturesize; /* minimum feature size (in pixels) to label */
    int autominfeaturesize; /* true or false */

    double minscaledenom, maxscaledenom;

    int mindistance;
    int repeatdistance;
    double maxoverlapangle;
    int partials; /* can labels run of an image */

    int force; /* labels *must* be drawn */

    char *encoding;

    int priority;  /* Priority level 1 to MS_MAX_LABEL_PRIORITY, default=1 */

#ifndef SWIG
    expressionObj expression;
    expressionObj text;
#endif

#ifndef SWIG
    styleObj **styles;
    int maxstyles;
#endif
    int numstyles;

#ifndef SWIG
    attributeBindingObj bindings[MS_LABEL_BINDING_LENGTH];
    int numbindings;
#endif

    labelLeaderObj *leader;
  };

#ifndef SWIG
  /* lightweight structure containing information to render a labelObj */
  typedef struct {
    lineObj *poly;
    rectObj bbox;
  } label_bounds;
  
  typedef struct {
    labelObj *label;
    char *annotext;
    double scalefactor,resolutionfactor;
    pointObj annopoint;
    double rotation;
    textPathObj *textpath;
    //rectObj bbox;
    label_bounds **style_bounds;
  } textSymbolObj;
#endif

  /************************************************************************/
  /*                               classObj                               */
  /*                                                                      */
  /*      basic symbolization and classification information              */
  /************************************************************************/
  
  struct classObj {
#ifndef SWIG
    expressionObj expression; /* the expression to be matched */
#endif

    int status;

#ifndef SWIG
    styleObj **styles;
    int maxstyles;
#endif

#ifdef SWIG
    %immutable;
#endif
    int numstyles;
#ifdef SWIG
    %mutable;
#endif

#ifndef SWIG
    labelObj **labels;
    int maxlabels;
#endif
    int numlabels; /* should be immutable */

    char *name; /* should be unique within a layer */
    char *title; /* used for legend labeling */

#ifndef SWIG
    expressionObj text;
#endif /* not SWIG */

#ifndef __cplusplus
    char *template;
#else /* __cplusplus */
    char *_template;
#endif /* __cplusplus */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    hashTableObj metadata;
    hashTableObj validation;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    double minscaledenom, maxscaledenom;
    int minfeaturesize; /* minimum feature size (in pixels) to shape */
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int refcount;
    struct layerObj *layer;
#ifdef SWIG
    %mutable;
#endif /* SWIG */
    int debug;

    char *keyimage;

    char *group;
    labelLeaderObj *leader;
  };

  /************************************************************************/
  /*                         labelCacheMemberObj                          */
  /*                                                                      */
  /*      structures to implement label caching and collision             */
  /*      avoidance etc                                                   */
  /*                                                                      */
  /*        Note: These are scriptable, but are read only.                */
  /************************************************************************/


#ifdef SWIG
  %immutable;
#endif /* SWIG */
  typedef struct {
#ifdef include_deprecated
    styleObj *styles; /* copied from the classObj, only present if there is a marker to be drawn */
    int numstyles;
#endif

    textSymbolObj **textsymbols;
    int numtextsymbols;

    int layerindex; /* indexes */
    int classindex;

#ifdef include_deprecated
    int shapetype; /* source geometry type, can be removed once annotation layers are dropped */
#endif

    pointObj point; /* label point */
    rectObj bbox; /* bounds of the whole cachePtr. Individual text and symbol sub bounds are found in the textsymbols */

    int status; /* has this label been drawn or not */

    int markerid; /* corresponding marker (POINT layers only) */
    lineObj *leaderline;
    rectObj *leaderbbox;
  } labelCacheMemberObj;

  /************************************************************************/
  /*                         markerCacheMemberObj                         */
  /************************************************************************/
  typedef struct {
    int id; /* corresponding label */
    rectObj bounds;
  } markerCacheMemberObj;

  /************************************************************************/
  /*                          labelCacheSlotObj                           */
  /************************************************************************/
  typedef struct {
    labelCacheMemberObj *labels;
    int numlabels;
    int cachesize;
    markerCacheMemberObj *markers;
    int nummarkers;
    int markercachesize;
  } labelCacheSlotObj;

  /************************************************************************/
  /*                            labelCacheObj                             */
  /************************************************************************/
  typedef struct {
    /* One labelCacheSlotObj for each priority level */
    labelCacheSlotObj slots[MS_MAX_LABEL_PRIORITY];
    int gutter; /* space in pixels around the image where labels cannot be placed */
    labelCacheMemberObj **rendered_text_symbols;
    int num_allocated_rendered_members;
    int num_rendered_members;
  } labelCacheObj;

  /************************************************************************/
  /*                         resultObj                                    */
  /************************************************************************/
  typedef struct {
    long shapeindex;
    int tileindex;
    int resultindex;
    int classindex;
  } resultObj;
#ifdef SWIG
  %mutable;
#endif /* SWIG */


  /************************************************************************/
  /*                            resultCacheObj                            */
  /************************************************************************/
  typedef struct {

#ifndef SWIG
    resultObj *results;
    int cachesize;
#endif /* not SWIG */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int numresults;
    rectObj bounds;
#ifndef SWIG
    rectObj previousBounds; /* bounds at previous iteration */
#endif
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    /* TODO: remove for 6.0, confirm with Assefa */
    /*used to force the result retreiving to use getshape instead of resultgetshape*/
    int usegetshape;

  } resultCacheObj;


  /************************************************************************/
  /*                             symbolSetObj                             */
  /************************************************************************/
  typedef struct {
    char *filename;
    int imagecachesize;
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int numsymbols;
    int maxsymbols;
#ifdef SWIG
    %mutable;
#endif /* SWIG */
#ifndef SWIG
    int refcount;
    symbolObj** symbol;
    struct mapObj *map;
    fontSetObj *fontset; /* a pointer to the main mapObj version */
    struct imageCacheObj *imagecache;
#endif /* not SWIG */
  } symbolSetObj;

  /************************************************************************/
  /*                           referenceMapObj                            */
  /************************************************************************/
  typedef struct {
    rectObj extent;
    int height, width;
    colorObj color;
    colorObj outlinecolor;
    char *image;
    int status;
    int marker;
    char *markername;
    int markersize;
    int minboxsize;
    int maxboxsize;
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    struct mapObj *map;
#ifdef SWIG
    %mutable;
#endif /* SWIG */
  } referenceMapObj;

  /************************************************************************/
  /*                             scalebarObj                              */
  /************************************************************************/
  typedef struct {
    colorObj imagecolor;
    int height, width;
    int style;
    int intervals;
    labelObj label;
    colorObj color;
    colorObj backgroundcolor;
    colorObj outlinecolor;
    int units;
    int status; /* ON, OFF or EMBED */
    int position; /* for embeded scalebars */
#ifndef SWIG
    int transparent;
    int interlace;
#endif /* not SWIG */
    int postlabelcache;
    int align;
  } scalebarObj;

  /************************************************************************/
  /*                              legendObj                               */
  /************************************************************************/

  typedef struct {
    colorObj imagecolor;
#ifdef SWIG
    %immutable;
#endif
    labelObj label;
#ifdef SWIG
    %mutable;
#endif
    int keysizex, keysizey;
    int keyspacingx, keyspacingy;
    colorObj outlinecolor; /* Color of outline of box, -1 for no outline */
    int status; /* ON, OFF or EMBED */
    int height, width;
    int position; /* for embeded legends */
#ifndef SWIG
    int transparent;
    int interlace;
#endif /* not SWIG */
    int postlabelcache;
#ifndef __cplusplus
    char *template;
#else /* __cplusplus */
    char *_template;
#endif /* __cplusplus */
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    struct mapObj *map;
#ifdef SWIG
    %mutable;
#endif /* SWIG */
  } legendObj;

  /************************************************************************/
  /*                             graticuleObj                             */
  /************************************************************************/
#ifndef SWIG
  typedef struct {
    double    dwhichlatitude;
    double    dwhichlongitude;
    double    dstartlatitude;
    double    dstartlongitude;
    double    dendlatitude;
    double    dendlongitude;
    double    dincrementlatitude;
    double    dincrementlongitude;
    double    minarcs;
    double    maxarcs;
    double    minincrement;
    double    maxincrement;
    double    minsubdivides;
    double    maxsubdivides;
    int     bvertical;
    int     blabelaxes;
    int     ilabelstate;
    int     ilabeltype;
    rectObj   extent;
    lineObj   *pboundinglines;
    pointObj  *pboundingpoints;
    char    *labelformat;
  } graticuleObj;

  typedef struct {
    int nTop;
    pointObj *pasTop;
    char  **papszTopLabels;
    int nBottom;
    pointObj *pasBottom;
    char  **papszBottomLabels;
    int nLeft;
    pointObj *pasLeft;
    char  **papszLeftLabels;
    int nRight;
    pointObj *pasRight;
    char  **papszRightLabels;

  } graticuleIntersectionObj;

  struct layerVTable;
  typedef struct layerVTable layerVTableObj;

#endif /*SWIG*/

  /************************************************************************/
  /*                               imageObj                               */
  /*                                                                      */
  /*      A wrapper for GD and other images.                              */
  /************************************************************************/
  struct imageObj{
#ifdef SWIG
    %immutable;
#endif
    int width, height;
    double resolution;
    double resolutionfactor;

    char *imagepath, *imageurl;

    outputFormatObj *format;
#ifndef SWIG
    tileCacheObj *tilecache;
    int ntiles;
#endif
#ifdef SWIG
    %mutable;
#endif
#ifndef SWIG
    int size;
#endif

#ifndef SWIG
    union {
      void *plugin;

      char *imagemap;
      short *raw_16bit;
      float *raw_float;
      unsigned char *raw_byte;
    } img;
    ms_bitarray  img_mask;
    pointObj refpt;
    mapObj *map;
#endif
  };

  /************************************************************************/
  /*                               layerObj                               */
  /*                                                                      */
  /*      base unit of a map.                                             */
  /************************************************************************/

  typedef struct {
    double minscale;
    double maxscale;
    char *value;
  } scaleTokenEntryObj;
  
  typedef struct {
     char *name;
     int n_entries;
     scaleTokenEntryObj *tokens;
  } scaleTokenObj;

#ifndef SWIG
  typedef enum {
      SORT_ASC,
      SORT_DESC
  } sortOrderEnum;

  typedef struct {
      char* item;
      sortOrderEnum sortOrder;
  } sortByProperties;

  typedef struct {
      int nProperties;
      sortByProperties* properties;
  } sortByClause;
#endif

  struct layerObj {

    char *classitem; /* .DBF item to be used for symbol lookup */

#ifndef SWIG
    int classitemindex;
    resultCacheObj *resultcache; /* holds the results of a query against this layer */
    double scalefactor; /* computed, not set */
#ifndef __cplusplus
    classObj **class; /* always at least 1 class */
#else /* __cplusplus */
    classObj **_class;
#endif /* __cplusplus */
#endif /* not SWIG */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    /* reference counting, RFC24 */
    int refcount;
    int numclasses;
    int maxclasses;
    int index;
    struct mapObj *map;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    char *header, *footer; /* only used with multi result queries */

#ifndef __cplusplus
    char *template; /* global template, used across all classes */
#else /* __cplusplus */
    char *_template;
#endif /* __cplusplus */

    char *name; /* should be unique */
    char *group; /* shouldn't be unique it's supposed to be a group right? */

    int status; /* on or off */

#ifndef SWIG
    /* RFC86 Scale-dependent token replacements */
    scaleTokenObj *scaletokens;
    int numscaletokens;
    
    /* The following store original members if they have been modified at runtime by a rfc86 scaletoken */
    char *orig_data;
    char *orig_tileitem;
    char *orig_tileindex;
    char *orig_filteritem;
    char *orig_filter; 
#endif

    char *data; /* filename, can be relative or full path */

    enum MS_LAYER_TYPE type;

    double tolerance; /* search buffer for point and line queries (in toleranceunits) */
    int toleranceunits;

    double symbolscaledenom; /* scale at which symbols are default size */
    double minscaledenom, maxscaledenom;
    int minfeaturesize; /* minimum feature size (in pixels) to shape */
    double labelminscaledenom, labelmaxscaledenom;
    double mingeowidth, maxgeowidth; /* map width (in map units) at which the layer should be drawn */

    int sizeunits; /* applies to all classes */

    int maxfeatures;
    int startindex;

    colorObj offsite; /* transparent pixel value for raster images */

    int transform; /* does this layer have to be transformed to file coordinates */

    int labelcache, postlabelcache; /* on or off */

    char *labelitem;
#ifndef SWIG
    int labelitemindex;
#endif /* not SWIG */

    char *tileitem;
    char *tileindex; /* layer index file for tiling support */
    char *tilesrs;

#ifndef SWIG
    int tileitemindex;
    projectionObj projection; /* projection information for the layer */
    int project; /* boolean variable, do we need to project this layer or not */
#endif /* not SWIG */

    int units; /* units of the projection */

#ifndef SWIG
    featureListNodeObjPtr features; /* linked list so we don't need a counter */
    featureListNodeObjPtr currentfeature; /* pointer to the current feature */
#endif /* SWIG */

    char *connection;
    char *plugin_library;
    char *plugin_library_original; /* this is needed for mapfile writing */
    enum MS_CONNECTION_TYPE connectiontype;

#ifndef SWIG
    layerVTableObj *vtable;

    /* SDL has converted OracleSpatial, SDE, Graticules */
    void *layerinfo; /* all connection types should use this generic pointer to a vendor specific structure */
    void *wfslayerinfo; /* For WFS layers, will contain a msWFSLayerInfo struct */
#endif /* not SWIG */

    /* attribute/classification handling components */
#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int numitems;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

#ifndef SWIG
    char **items;
    void *iteminfo; /* connection specific information necessary to retrieve values */
    expressionObj filter; /* connection specific attribute filter */
    int bandsitemindex;
    int filteritemindex;
    int styleitemindex;
#endif /* not SWIG */

    char *bandsitem; /* which item in a tile contains bands to use (tiled raster data only) */
    char *filteritem;
    char *styleitem; /* item to be used for style lookup - can also be 'AUTO' */

    char *requires; /* context expressions, simple enough to not use expressionObj */
    char *labelrequires;

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    hashTableObj metadata;
    hashTableObj validation;
    hashTableObj bindvals;
    clusterObj cluster;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    int opacity; /* opacity (was transparency) value 0-100 */

    int dump;
    int debug;
#ifndef SWIG
    char **processing;
    joinObj *joins;
#endif /* not SWIG */
#ifdef SWIG
    %immutable;
#endif /* SWIG */

    rectObj extent;

    int numprocessing;
    int numjoins;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    char *classgroup;

#ifndef SWIG
    imageObj *maskimage;
#endif
    char *mask;

#ifndef SWIG    
    expressionObj _geomtransform;
#endif

    char *encoding; /* for iconving shape attributes. ignored if NULL or "utf-8" */

  /* RFC93 UTFGrid support */
    char *utfitem;
    int utfitemindex;
    expressionObj utfdata;

#ifndef SWIG
    sortByClause sortBy;
#endif
  };


#ifndef SWIG
void msFontCacheSetup();
void msFontCacheCleanup();

typedef struct {
  double minx,miny,maxx,maxy,advance;
} glyph_metrics;

typedef struct {
  glyph_element *glyph;
  face_element *face;
  pointObj pnt;
  double rot;
} glyphObj;

struct textPathObj{
  int numglyphs;
  int numlines;
  int line_height;
  int glyph_size;
  int absolute; /* are the glyph positions absolutely placed, or relative to the origin */
  glyphObj *glyphs;
  label_bounds bounds;
};

typedef enum {
  duplicate_never,
  duplicate_always,
  duplicate_if_needed
} label_cache_mode;

void initTextPath(textPathObj *tp);
int WARN_UNUSED msComputeTextPath(mapObj *map, textSymbolObj *ts);
void msCopyTextPath(textPathObj *dst, textPathObj *src);
void freeTextPath(textPathObj *tp);
void initTextSymbol(textSymbolObj *ts);
void freeTextSymbol(textSymbolObj *ts);
void msCopyTextSymbol(textSymbolObj *dst, textSymbolObj *src);
void msPopulateTextSymbolForLabelAndString(textSymbolObj *ts, labelObj *l, char *string, double scalefactor, double resolutionfactor, label_cache_mode cache);
#endif /* SWIG */


  /************************************************************************/
  /*                                mapObj                                */
  /*                                                                      */
  /*      encompasses everything used in an Internet mapping              */
  /*      application.                                                    */
  /************************************************************************/

  /* MAP OBJECT -  */
  struct mapObj { /* structure for a map */
    char *name; /* small identifier for naming etc. */
    int status; /* is map creation on or off */
    int height, width;
    int maxsize;

#ifndef SWIG
    layerObj **layers;
#endif /* SWIG */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    /* reference counting, RFC24 */
    int refcount;
    int numlayers; /* number of layers in mapfile */
    int maxlayers; /* allocated size of layers[] array */

    symbolSetObj symbolset;
    fontSetObj fontset;

    labelCacheObj labelcache; /* we need this here so multiple feature processors can access it */
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    int transparent; /* TODO - Deprecated */
    int interlace; /* TODO - Deprecated */
    int imagequality; /* TODO - Deprecated */

    rectObj extent; /* map extent array */
    double cellsize; /* in map units */


#ifndef SWIG
    geotransformObj gt; /* rotation / geotransform */
    rectObj saved_extent;
#endif /*SWIG*/

    enum MS_UNITS units; /* units of the projection */
    double scaledenom; /* scale of the output image */
    double resolution;
    double defresolution; /* default resolution: used for calculate the scalefactor */

    char *shapepath; /* where are the shape files located */
    char *mappath; /* path of the mapfile, all path are relative to this path */

#ifndef SWIG
    paletteObj palette; /* holds a map palette */
#endif /*SWIG*/
    colorObj imagecolor; /* holds the initial image color value */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    int numoutputformats;
#ifndef SWIG
    outputFormatObj **outputformatlist;
#endif /*SWIG*/
    outputFormatObj *outputformat;

    char *imagetype; /* name of current outputformat */
#ifdef SWIG
    %mutable;
#endif /* SWIG */

#ifndef SWIG
    projectionObj projection; /* projection information for output map */
    projectionObj latlon; /* geographic projection definition */
#endif /* not SWIG */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    referenceMapObj reference;
    scalebarObj scalebar;
    legendObj legend;

    queryMapObj querymap;

    webObj web;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

    int *layerorder;

    int debug;

    char *datapattern, *templatepattern; /* depricated, use VALIDATION ... END block instead */

#ifdef SWIG
    %immutable;
#endif /* SWIG */
    hashTableObj configoptions;
#ifdef SWIG
    %mutable;
#endif /* SWIG */

#ifndef SWIG
    /* Private encryption key information - see mapcrypto.c */
    int encryption_key_loaded;        /* MS_TRUE once key has been loaded */
    unsigned char encryption_key[MS_ENCRYPTION_KEY_SIZE]; /* 128bits encryption key */

    queryObj query;
#endif

#ifdef USE_V8
    void *v8context;
#endif
  };

  /************************************************************************/
  /*                             layerVTable                              */
  /*                                                                      */
  /*      contains function pointers to the layer operations.  If you     */
  /*      add new functions to here, remember to update                   */
  /*      populateVirtualTable in maplayer.c                              */
  /************************************************************************/
#ifndef SWIG
  struct layerVTable {
    int (*LayerSupportsCommonFilters)(layerObj *layer);
    int (*LayerInitItemInfo)(layerObj *layer);
    void (*LayerFreeItemInfo)(layerObj *layer);
    int (*LayerOpen)(layerObj *layer);
    int (*LayerIsOpen)(layerObj *layer);
    int (*LayerWhichShapes)(layerObj *layer, rectObj rect, int isQuery);
    int (*LayerNextShape)(layerObj *layer, shapeObj *shape);
    int (*LayerGetShape)(layerObj *layer, shapeObj *shape, resultObj *record);
    int (*LayerClose)(layerObj *layer);
    int (*LayerGetItems)(layerObj *layer);
    int (*LayerGetExtent)(layerObj *layer, rectObj *extent);
    int (*LayerGetAutoStyle)(mapObj *map, layerObj *layer, classObj *c, shapeObj *shape);
    int (*LayerCloseConnection)(layerObj *layer);
    int (*LayerSetTimeFilter)(layerObj *layer, const char *timestring, const char *timefield);
    int (*LayerApplyFilterToLayer)(FilterEncodingNode *psNode, mapObj *map, int iLayerIndex);
    int (*LayerCreateItems)(layerObj *layer, int nt);
    int (*LayerGetNumFeatures)(layerObj *layer);
    int (*LayerGetAutoProjection)(layerObj *layer, projectionObj *projection);
    char* (*LayerEscapeSQLParam)(layerObj *layer, const char* pszString);
    char* (*LayerEscapePropertyName)(layerObj *layer, const char* pszString);
    void (*LayerEnablePaging)(layerObj *layer, int value);
    int (*LayerGetPaging)(layerObj *layer);
  };
#endif /*SWIG*/

  /* Function prototypes, wrapable */
  MS_DLL_EXPORT int msSaveImage(mapObj *map, imageObj *img, char *filename);
  MS_DLL_EXPORT void msFreeImage(imageObj *img);
  MS_DLL_EXPORT int msSetup(void);
  MS_DLL_EXPORT void msCleanup(int signal);
  MS_DLL_EXPORT mapObj *msLoadMapFromString(char *buffer, char *new_mappath);

  /* Function prototypes, not wrapable */

#ifndef SWIG

  /*
  ** helper functions not part of the general API but needed in
  ** a few other places (like mapscript)... found in mapfile.c
  */
  int getString(char **s);
  int getDouble(double *d);
  int getInteger(int *i);
  int getSymbol(int n, ...);
  int getCharacter(char *c);

  int msBuildPluginLibraryPath(char **dest, const char *lib_str, mapObj *map);

  MS_DLL_EXPORT int  hex2int(char *hex);

  MS_DLL_EXPORT void initJoin(joinObj *join);
  MS_DLL_EXPORT void initSymbol(symbolObj *s);
  MS_DLL_EXPORT int initMap(mapObj *map);
  MS_DLL_EXPORT layerObj *msGrowMapLayers( mapObj *map );
  MS_DLL_EXPORT int initLayer(layerObj *layer, mapObj *map);
  MS_DLL_EXPORT int freeLayer( layerObj * );
  MS_DLL_EXPORT classObj *msGrowLayerClasses( layerObj *layer );
  MS_DLL_EXPORT scaleTokenObj *msGrowLayerScaletokens( layerObj *layer );
  MS_DLL_EXPORT int initScaleToken(scaleTokenObj *scaleToken);
  MS_DLL_EXPORT int initClass(classObj *_class);
  MS_DLL_EXPORT int freeClass( classObj * );
  MS_DLL_EXPORT styleObj *msGrowClassStyles( classObj *_class );
  MS_DLL_EXPORT labelObj *msGrowClassLabels( classObj *_class );
  MS_DLL_EXPORT styleObj *msGrowLabelStyles( labelObj *label );
  MS_DLL_EXPORT styleObj *msGrowLeaderStyles( labelLeaderObj *leader );
  MS_DLL_EXPORT int msMaybeAllocateClassStyle(classObj* c, int idx);
  MS_DLL_EXPORT void initLabel(labelObj *label);
  MS_DLL_EXPORT int  freeLabel(labelObj *label);
  MS_DLL_EXPORT int  freeLabelLeader(labelLeaderObj *leader);
  MS_DLL_EXPORT void resetClassStyle(classObj *_class);
  MS_DLL_EXPORT int initStyle(styleObj *style);
  MS_DLL_EXPORT int freeStyle(styleObj *style);
  MS_DLL_EXPORT void initReferenceMap(referenceMapObj *ref);
  MS_DLL_EXPORT void initScalebar(scalebarObj *scalebar);
  MS_DLL_EXPORT void initGrid( graticuleObj *pGraticule );
  MS_DLL_EXPORT void initWeb(webObj *web);
  MS_DLL_EXPORT void freeWeb(webObj *web);
  MS_DLL_EXPORT void initResultCache(resultCacheObj *resultcache);

  MS_DLL_EXPORT featureListNodeObjPtr insertFeatureList(featureListNodeObjPtr *list, shapeObj *shape);
  MS_DLL_EXPORT void freeFeatureList(featureListNodeObjPtr list);

  /* To be used *only* within the mapfile loading phase */
  MS_DLL_EXPORT int loadExpressionString(expressionObj *exp, char *value);
  /* Use this next, thread safe wrapper, function everywhere else */
  MS_DLL_EXPORT int msLoadExpressionString(expressionObj *exp, char *value);
  MS_DLL_EXPORT char *msGetExpressionString(expressionObj *exp);
  MS_DLL_EXPORT void initExpression(expressionObj *exp);
  MS_DLL_EXPORT void freeExpressionTokens(expressionObj *exp);
  MS_DLL_EXPORT void freeExpression(expressionObj *exp);

  MS_DLL_EXPORT void msApplySubstitutions(mapObj *map, char **names, char **values, int npairs);
  MS_DLL_EXPORT void msApplyDefaultSubstitutions(mapObj *map);

  MS_DLL_EXPORT int getClassIndex(layerObj *layer, char *str);

  /* For maplabel */
  int intersectLabelPolygons(lineObj *p1, rectObj *r1, lineObj *p2, rectObj *r2);
  int intersectTextSymbol(textSymbolObj *ts, label_bounds *lb);
  pointObj get_metrics(pointObj *p, int position, textPathObj *tp, int ox, int oy, double rotation, int buffer, label_bounds *metrics);
  double dist(pointObj a, pointObj b);
  void fastComputeBounds(lineObj *line, rectObj *bounds);

  /*
  ** Main API Functions
  */

  /* mapobject.c */

  MS_DLL_EXPORT void msFreeMap(mapObj *map);
  MS_DLL_EXPORT mapObj *msNewMapObj(void);
  MS_DLL_EXPORT const char *msGetConfigOption( mapObj *map, const char *key);
  MS_DLL_EXPORT int msSetConfigOption( mapObj *map, const char *key, const char *value);
  MS_DLL_EXPORT int msTestConfigOption( mapObj *map, const char *key,
                                        int default_result );
  MS_DLL_EXPORT void msApplyMapConfigOptions( mapObj *map );
  MS_DLL_EXPORT int msMapComputeGeotransform( mapObj *map );

  MS_DLL_EXPORT void msMapPixelToGeoref( mapObj *map, double *x, double *y );
  MS_DLL_EXPORT void msMapGeorefToPixel( mapObj *map, double *x, double *y );

  MS_DLL_EXPORT int msMapSetExtent(mapObj *map, double minx, double miny,
                                   double maxx, double maxy);
  MS_DLL_EXPORT int msMapOffsetExtent( mapObj *map, double x, double y);
  MS_DLL_EXPORT int msMapScaleExtent( mapObj *map, double zoomfactor,
                                      double minscaledenom, double maxscaledenom);
  MS_DLL_EXPORT int msMapSetCenter( mapObj *map, pointObj *center);
  MS_DLL_EXPORT int msMapSetRotation( mapObj *map, double rotation_angle );
  MS_DLL_EXPORT int msMapSetSize( mapObj *map, int width, int height );
  MS_DLL_EXPORT int msMapSetSize( mapObj *map, int width, int height );
  MS_DLL_EXPORT int msMapSetFakedExtent( mapObj *map );
  MS_DLL_EXPORT int msMapRestoreRealExtent( mapObj *map );
  MS_DLL_EXPORT int msMapLoadOWSParameters( mapObj *map, cgiRequestObj *request,
      const char *wmtver_string );
  MS_DLL_EXPORT int msMapIgnoreMissingData( mapObj *map );

  /* mapfile.c */

  MS_DLL_EXPORT int msValidateParameter(char *value, char *pattern1, char *pattern2, char *pattern3, char *pattern4);
  MS_DLL_EXPORT int msGetLayerIndex(mapObj *map, const char *name);
  MS_DLL_EXPORT int msGetSymbolIndex(symbolSetObj *set, char *name, int try_addimage_if_notfound);
  MS_DLL_EXPORT mapObj  *msLoadMap(char *filename, char *new_mappath);
  MS_DLL_EXPORT int msTransformXmlMapfile(const char *stylesheet, const char *xmlMapfile, FILE *tmpfile);
  MS_DLL_EXPORT int msSaveMap(mapObj *map, char *filename);
  MS_DLL_EXPORT void msFreeCharArray(char **array, int num_items);
  MS_DLL_EXPORT int msUpdateScalebarFromString(scalebarObj *scalebar, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateQueryMapFromString(queryMapObj *querymap, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateLabelFromString(labelObj *label, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateClusterFromString(clusterObj *cluster, char *string);
  MS_DLL_EXPORT int msUpdateReferenceMapFromString(referenceMapObj *ref, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateLegendFromString(legendObj *legend, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateWebFromString(webObj *web, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateStyleFromString(styleObj *style, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateClassFromString(classObj *_class, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateLayerFromString(layerObj *layer, char *string, int url_string);
  MS_DLL_EXPORT int msUpdateMapFromURL(mapObj *map, char *variable, char *string);
  MS_DLL_EXPORT char *msWriteLayerToString(layerObj *layer);
  MS_DLL_EXPORT char *msWriteMapToString(mapObj *map);
  MS_DLL_EXPORT char *msWriteClassToString(classObj *_class);
  MS_DLL_EXPORT char *msWriteStyleToString(styleObj *style);
  MS_DLL_EXPORT char *msWriteLabelToString(labelObj *label);
  MS_DLL_EXPORT char *msWriteWebToString(webObj *web);
  MS_DLL_EXPORT char *msWriteScalebarToString(scalebarObj *scalebar);
  MS_DLL_EXPORT char *msWriteQueryMapToString(queryMapObj *querymap);
  MS_DLL_EXPORT char *msWriteReferenceMapToString(referenceMapObj *ref);
  MS_DLL_EXPORT char *msWriteLegendToString(legendObj *legend);
  MS_DLL_EXPORT char *msWriteClusterToString(clusterObj *cluster);
  MS_DLL_EXPORT int msEvalRegex(char *e, char *s);
#ifdef USE_MSFREE
  MS_DLL_EXPORT void msFree(void *p);
#else
#define msFree free
#endif
  MS_DLL_EXPORT char **msTokenizeMap(char *filename, int *numtokens);
  MS_DLL_EXPORT int msInitLabelCache(labelCacheObj *cache);
  MS_DLL_EXPORT int msFreeLabelCache(labelCacheObj *cache);
  MS_DLL_EXPORT int msCheckConnection(layerObj * layer); /* connection pooling functions (mapfile.c) */
  MS_DLL_EXPORT void msCloseConnections(mapObj *map);

  MS_DLL_EXPORT void msOGRInitialize(void);
  MS_DLL_EXPORT void msOGRCleanup(void);
  MS_DLL_EXPORT void msGDALCleanup(void);
  MS_DLL_EXPORT void msGDALInitialize(void);

  MS_DLL_EXPORT imageObj *msDrawScalebar(mapObj *map); /* in mapscale.c */
  MS_DLL_EXPORT int msCalculateScale(rectObj extent, int units, int width, int height, double resolution, double *scaledenom);
  MS_DLL_EXPORT double GetDeltaExtentsUsingScale(double scale, int units, double centerLat, int width, double resolution);
  MS_DLL_EXPORT double Pix2Georef(int nPixPos, int nPixMin, int nPixMax, double dfGeoMin, double dfGeoMax, int bULisYOrig);
  MS_DLL_EXPORT double Pix2LayerGeoref(mapObj *map, layerObj *layer, int value);
  MS_DLL_EXPORT double msInchesPerUnit(int units, double center_lat);
  MS_DLL_EXPORT int msEmbedScalebar(mapObj *map, imageObj *img);

  MS_DLL_EXPORT int msPointInRect(pointObj *p, rectObj *rect); /* in mapsearch.c */
  MS_DLL_EXPORT int msRectOverlap(const rectObj *a, const rectObj *b);
  MS_DLL_EXPORT int msRectContained(rectObj *a, rectObj *b);
  MS_DLL_EXPORT int msRectIntersect(rectObj *a, const rectObj *b);

  MS_DLL_EXPORT void msRectToFormattedString(rectObj *rect, char *format,
      char *buffer, int buffer_length);
  MS_DLL_EXPORT void msPointToFormattedString(pointObj *point, const char*format,
      char *buffer, int buffer_length);
  MS_DLL_EXPORT int msIsDegenerateShape(shapeObj *shape);

  MS_DLL_EXPORT void msMergeRect(rectObj *a, rectObj *b);
  MS_DLL_EXPORT double msDistancePointToPoint(pointObj *a, pointObj *b);
  MS_DLL_EXPORT double msSquareDistancePointToPoint(pointObj *a, pointObj *b);
  MS_DLL_EXPORT double msDistancePointToSegment(pointObj *p, pointObj *a, pointObj *b);
  MS_DLL_EXPORT double msSquareDistancePointToSegment(pointObj *p, pointObj *a, pointObj *b);
  MS_DLL_EXPORT double msDistancePointToShape(pointObj *p, shapeObj *shape);
  MS_DLL_EXPORT double msSquareDistancePointToShape(pointObj *p, shapeObj *shape);
  MS_DLL_EXPORT double msDistanceSegmentToSegment(pointObj *pa, pointObj *pb, pointObj *pc, pointObj *pd);
  MS_DLL_EXPORT double msDistanceShapeToShape(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msIntersectSegments(const pointObj *a, const pointObj *b, const pointObj *c, const pointObj *d);
  MS_DLL_EXPORT int msPointInPolygon(pointObj *p, lineObj *c);
  MS_DLL_EXPORT int msIntersectMultipointPolygon(shapeObj *multipoint, shapeObj *polygon);
  MS_DLL_EXPORT int msIntersectPointPolygon(pointObj *p, shapeObj *polygon);
  MS_DLL_EXPORT int msIntersectPolylinePolygon(shapeObj *line, shapeObj *poly);
  MS_DLL_EXPORT int msIntersectPolygons(shapeObj *p1, shapeObj *p2);
  MS_DLL_EXPORT int msIntersectPolylines(shapeObj *line1, shapeObj *line2);

  MS_DLL_EXPORT int msInitQuery(queryObj *query); /* in mapquery.c */
  MS_DLL_EXPORT void msFreeQuery(queryObj *query);
  MS_DLL_EXPORT int msSaveQuery(mapObj *map, char *filename, int results);
  MS_DLL_EXPORT int msLoadQuery(mapObj *map, char *filename);
  MS_DLL_EXPORT int msExecuteQuery(mapObj *map);

  MS_DLL_EXPORT int msQueryByIndex(mapObj *map); /* various query methods, all rely on the queryObj hung off the mapObj */
  MS_DLL_EXPORT int msQueryByAttributes(mapObj *map);
  MS_DLL_EXPORT int msQueryByPoint(mapObj *map);
  MS_DLL_EXPORT int msQueryByRect(mapObj *map);
  MS_DLL_EXPORT int msQueryByFeatures(mapObj *map);
  MS_DLL_EXPORT int msQueryByShape(mapObj *map);
  MS_DLL_EXPORT int msQueryByFilter(mapObj *map);

  MS_DLL_EXPORT int msGetQueryResultBounds(mapObj *map, rectObj *bounds);
  MS_DLL_EXPORT int msIsLayerQueryable(layerObj *lp);
  MS_DLL_EXPORT void msQueryFree(mapObj *map, int qlayer); /* todo: rename */
  MS_DLL_EXPORT int msRasterQueryByShape(mapObj *map, layerObj *layer, shapeObj *selectshape);
  MS_DLL_EXPORT int msRasterQueryByRect(mapObj *map, layerObj *layer, rectObj queryRect);
  MS_DLL_EXPORT int msRasterQueryByPoint(mapObj *map, layerObj *layer, int mode, pointObj p, double buffer, int maxresults );

  /* in mapstring.c */
  MS_DLL_EXPORT void msStringTrim(char *str);
  MS_DLL_EXPORT void msStringTrimBlanks(char *string);
  MS_DLL_EXPORT char *msStringTrimLeft(char *string);
  MS_DLL_EXPORT char *msStringChop(char *string);
  MS_DLL_EXPORT void msStringTrimEOL(char *string);
  MS_DLL_EXPORT char *msReplaceSubstring(char *str, const char *old, const char *sznew);
  MS_DLL_EXPORT void msReplaceChar(char *str, char old, char sznew);
  MS_DLL_EXPORT char *msCaseReplaceSubstring(char *str, const char *old, const char *sznew);
  MS_DLL_EXPORT char *msStripPath(char *fn);
  MS_DLL_EXPORT char *msGetPath(char *fn);
  MS_DLL_EXPORT char *msBuildPath(char *pszReturnPath, const char *abs_path, const char *path);
  MS_DLL_EXPORT char *msBuildPath3(char *pszReturnPath, const char *abs_path, const char *path1, const char *path2);
  MS_DLL_EXPORT char *msTryBuildPath(char *szReturnPath, const char *abs_path, const char *path);
  MS_DLL_EXPORT char *msTryBuildPath3(char *szReturnPath, const char *abs_path, const char *path1, const char *path2);
  MS_DLL_EXPORT char **msStringSplit(const char *string, char cd, int *num_tokens);
  MS_DLL_EXPORT char ** msStringSplitComplex( const char * pszString, const char * pszDelimiters, int *num_tokens, int nFlags);
  MS_DLL_EXPORT int msStringArrayContains(char **array, const char *element, int numElements);
  MS_DLL_EXPORT char **msStringTokenize( const char *pszLine, const char *pszDelim, int *num_tokens, int preserve_quote);
  MS_DLL_EXPORT int msCountChars(char *str, char ch);
  MS_DLL_EXPORT char *msLongToString(long value);
  MS_DLL_EXPORT char *msDoubleToString(double value, int force_f);
  MS_DLL_EXPORT char *msIntToString(int value);
  MS_DLL_EXPORT void msStringToUpper(char *string);
  MS_DLL_EXPORT void msStringToLower(char *string);
  MS_DLL_EXPORT void msStringInitCap(char *string);
  MS_DLL_EXPORT void msStringFirstCap(char *string);
  MS_DLL_EXPORT int msEncodeChar(const char);
  MS_DLL_EXPORT char *msEncodeUrlExcept(const char*, const char);
  MS_DLL_EXPORT char *msEncodeUrl(const char*);
  MS_DLL_EXPORT char *msEncodeHTMLEntities(const char *string);
  MS_DLL_EXPORT void msDecodeHTMLEntities(const char *string);
  MS_DLL_EXPORT int msIsXMLTagValid(const char *string);
  MS_DLL_EXPORT char *msStringConcatenate(char *pszDest, const char *pszSrc);
  MS_DLL_EXPORT char *msJoinStrings(char **array, int arrayLength, const char *delimeter);
  MS_DLL_EXPORT char *msHashString(const char *pszStr);
  MS_DLL_EXPORT char *msCommifyString(char *str);
  MS_DLL_EXPORT int msHexToInt(char *hex);
  MS_DLL_EXPORT char *msGetEncodedString(const char *string, const char *encoding);
  MS_DLL_EXPORT char *msConvertWideStringToUTF8 (const wchar_t* string, const char* encoding);
  MS_DLL_EXPORT int msGetNextGlyph(const char **in_ptr, char *out_string);
  MS_DLL_EXPORT int msGetNumGlyphs(const char *in_ptr);
  MS_DLL_EXPORT int msGetUnicodeEntity(const char *inptr, unsigned int *unicode);
  MS_DLL_EXPORT int msStringIsInteger(const char *string);
  MS_DLL_EXPORT int msUTF8ToUniChar(const char *str, unsigned int *chPtr); /* maptclutf.c */
  MS_DLL_EXPORT char* msStringEscape( const char * pszString );
  MS_DLL_EXPORT int msStringInArray( const char * pszString, char **array, int numelements);

#ifndef HAVE_STRDUP
  MS_DLL_EXPORT char *strdup(char *s);
#endif /* NEED_STRDUP */

#ifndef HAVE_STRRSTR
  MS_DLL_EXPORT char *strrstr(char *string, char *find);
#endif /* NEED_STRRSTR */

#ifndef HAVE_STRCASESTR
  MS_DLL_EXPORT char *strcasestr(const char *s, const char *find);
#endif /* NEED_STRCASESTR */

#ifndef HAVE_STRNCASECMP
  MS_DLL_EXPORT int strncasecmp(const char *s1, const char *s2, int len);
#endif /* NEED_STRNCASECMP */

#ifndef HAVE_STRCASECMP
  MS_DLL_EXPORT int strcasecmp(const char *s1, const char *s2);
#endif /* NEED_STRCASECMP */

#ifndef HAVE_STRLCAT
  MS_DLL_EXPORT size_t strlcat(char *dst, const char *src, size_t siz);
#endif /* NEED_STRLCAT */

#ifndef HAVE_STRLCPY
  MS_DLL_EXPORT size_t strlcpy(char *dst, const char *src, size_t siz);
#endif /* NEED_STRLCAT */

  MS_DLL_EXPORT char *msStrdup( const char * pszString );

#include "hittest.h"

  /* in mapsymbol.c */
  /* Use this function *only* with mapfile loading phase */
  MS_DLL_EXPORT int loadSymbolSet(symbolSetObj *symbolset, mapObj *map);
  /* Use this threadsafe wrapper everywhere else */
  MS_DLL_EXPORT int msLoadSymbolSet(symbolSetObj *symbolset, mapObj *map);
  MS_DLL_EXPORT int msCopySymbol(symbolObj *dst, symbolObj *src, mapObj *map);
  MS_DLL_EXPORT int msCopySymbolSet(symbolSetObj *dst, symbolSetObj *src, mapObj *map);
  MS_DLL_EXPORT int msCopyHashTable(hashTableObj *dst, hashTableObj *src);
  MS_DLL_EXPORT void msInitSymbolSet(symbolSetObj *symbolset);
  MS_DLL_EXPORT symbolObj *msGrowSymbolSet( symbolSetObj *symbolset );
  MS_DLL_EXPORT int msAddImageSymbol(symbolSetObj *symbolset, char *filename);
  MS_DLL_EXPORT int msFreeSymbolSet(symbolSetObj *symbolset);
  MS_DLL_EXPORT int msFreeSymbol(symbolObj *symbol);
  MS_DLL_EXPORT int msAddNewSymbol(mapObj *map, char *name);
  MS_DLL_EXPORT int msAppendSymbol(symbolSetObj *symbolset, symbolObj *symbol);
  MS_DLL_EXPORT symbolObj *msRemoveSymbol(symbolSetObj *symbolset, int index);
  MS_DLL_EXPORT int msSaveSymbolSet(symbolSetObj *symbolset, const char *filename);
  MS_DLL_EXPORT int msLoadImageSymbol(symbolObj *symbol, const char *filename);
  MS_DLL_EXPORT int msPreloadImageSymbol(rendererVTableObj *renderer, symbolObj *symbol);
  MS_DLL_EXPORT int msPreloadSVGSymbol(symbolObj *symbol);
  MS_DLL_EXPORT symbolObj *msRotateSymbol(symbolObj *symbol, double angle);

  MS_DLL_EXPORT int WARN_UNUSED msGetCharacterSize(mapObj *map, char* font, int size, char *character, rectObj *r);
  MS_DLL_EXPORT int WARN_UNUSED msGetMarkerSize(mapObj *map, styleObj *style, double *width, double *height, double scalefactor);
  /* MS_DLL_EXPORT int msGetCharacterSize(char *character, int size, char *font, rectObj *rect); */
  MS_DLL_EXPORT double msSymbolGetDefaultSize(symbolObj *s);
  MS_DLL_EXPORT void freeImageCache(struct imageCacheObj *ic);

  MS_DLL_EXPORT imageObj WARN_UNUSED *msDrawLegend(mapObj *map, int scale_independent, map_hittest *hittest); /* in maplegend.c */
  MS_DLL_EXPORT int WARN_UNUSED msLegendCalcSize(mapObj *map, int scale_independent, int *size_x, int *size_y,
                                     int *alayers, int numl_ayer, map_hittest *hittest, double resolutionfactor);
  MS_DLL_EXPORT int WARN_UNUSED msEmbedLegend(mapObj *map, imageObj *img);
  MS_DLL_EXPORT int WARN_UNUSED msDrawLegendIcon(mapObj* map, layerObj* lp, classObj* myClass, int width, int height, imageObj *img, int dstX, int dstY, int scale_independant, class_hittest *hittest);
  MS_DLL_EXPORT imageObj WARN_UNUSED *msCreateLegendIcon(mapObj* map, layerObj* lp, classObj* myClass, int width, int height, int scale_independant);

  MS_DLL_EXPORT int msLoadFontSet(fontSetObj *fontSet, mapObj *map); /* in maplabel.c */
  MS_DLL_EXPORT int msInitFontSet(fontSetObj *fontset);
  MS_DLL_EXPORT int msFreeFontSet(fontSetObj *fontset);

  MS_DLL_EXPORT int WARN_UNUSED msGetTextSymbolSize(mapObj *map, textSymbolObj *ts, rectObj *r);
  MS_DLL_EXPORT int WARN_UNUSED msGetStringSize(mapObj *map, labelObj *label, int size, char *string, rectObj *r);

  MS_DLL_EXPORT int WARN_UNUSED msAddLabel(mapObj *map, imageObj *image, labelObj *label, int layerindex, int classindex, shapeObj *shape, pointObj *point, double featuresize, textSymbolObj *ts);
  MS_DLL_EXPORT int WARN_UNUSED msAddLabelGroup(mapObj *map, imageObj *image, int layerindex, int classindex, shapeObj *shape, pointObj *point, double featuresize);
  MS_DLL_EXPORT void insertRenderedLabelMember(mapObj *map, labelCacheMemberObj *cachePtr);
  MS_DLL_EXPORT int msTestLabelCacheCollisions(mapObj *map, labelCacheMemberObj *cachePtr, label_bounds *lb, int current_priority, int current_label);
  MS_DLL_EXPORT int msTestLabelCacheLeaderCollision(mapObj *map, pointObj *lp1, pointObj *lp2);
  MS_DLL_EXPORT labelCacheMemberObj *msGetLabelCacheMember(labelCacheObj *labelcache, int i);

  MS_DLL_EXPORT void msFreeShape(shapeObj *shape); /* in mapprimitive.c */
  MS_DLL_EXPORT void msFreeLabelPathObj(labelPathObj *path);
  MS_DLL_EXPORT shapeObj *msShapeFromWKT(const char *string);
  MS_DLL_EXPORT char *msShapeToWKT(shapeObj *shape);
  MS_DLL_EXPORT void msInitShape(shapeObj *shape);
  MS_DLL_EXPORT void msShapeDeleteLine( shapeObj *shape, int line );
  MS_DLL_EXPORT int msCopyShape(shapeObj *from, shapeObj *to);
  MS_DLL_EXPORT int msIsOuterRing(shapeObj *shape, int r);
  MS_DLL_EXPORT int *msGetOuterList(shapeObj *shape);
  MS_DLL_EXPORT int *msGetInnerList(shapeObj *shape, int r, int *outerlist);
  MS_DLL_EXPORT void msComputeBounds(shapeObj *shape);
  MS_DLL_EXPORT void msRectToPolygon(rectObj rect, shapeObj *poly);
  MS_DLL_EXPORT void msClipPolylineRect(shapeObj *shape, rectObj rect);
  MS_DLL_EXPORT void msClipPolygonRect(shapeObj *shape, rectObj rect);
  MS_DLL_EXPORT void msTransformShape(shapeObj *shape, rectObj extent, double cellsize, imageObj *image);
  MS_DLL_EXPORT void msTransformPoint(pointObj *point, rectObj *extent, double cellsize, imageObj *image);

  MS_DLL_EXPORT void msOffsetPointRelativeTo(pointObj *point, layerObj *layer);
  MS_DLL_EXPORT void msOffsetShapeRelativeTo(shapeObj *shape, layerObj *layer);
  MS_DLL_EXPORT void msTransformShapeSimplify(shapeObj *shape, rectObj extent, double cellsize);
  MS_DLL_EXPORT void msTransformShapeToPixelSnapToGrid(shapeObj *shape, rectObj extent, double cellsize, double grid_resolution);
  MS_DLL_EXPORT void msTransformShapeToPixelRound(shapeObj *shape, rectObj extent, double cellsize);
  MS_DLL_EXPORT void msTransformShapeToPixelDoublePrecision(shapeObj *shape, rectObj extent, double cellsize);

#ifndef SWIG

  struct line_lengths {
    double *segment_lengths;
    double total_length;
    int longest_segment_index;
  };

  struct polyline_lengths {
    struct line_lengths *ll;
    double total_length;
    int longest_line_index;
    int longest_segment_line_index, longest_segment_point_index;
  };

  struct label_auto_result {
    pointObj *label_points;
    double *angles;
    int num_label_points;
  };

  struct label_follow_result {
    textSymbolObj **follow_labels;
    int num_follow_labels;
    struct label_auto_result lar;
  };

#endif

  MS_DLL_EXPORT void msTransformPixelToShape(shapeObj *shape, rectObj extent, double cellsize);
  MS_DLL_EXPORT void msPolylineComputeLineSegments(shapeObj *shape, struct polyline_lengths *pll);
  MS_DLL_EXPORT int msPolylineLabelPath(mapObj *map, imageObj *image, shapeObj *p, textSymbolObj *ts, labelObj *label, struct label_follow_result *lfr);
  MS_DLL_EXPORT int WARN_UNUSED msPolylineLabelPoint(mapObj *map, shapeObj *p, textSymbolObj *ts, labelObj *label, struct label_auto_result *lar, double resolutionfactor);
  MS_DLL_EXPORT int WARN_UNUSED msLineLabelPath(mapObj *map, imageObj *img, lineObj *p, textSymbolObj *ts, struct line_lengths *ll, struct label_follow_result *lfr, labelObj *lbl);
  MS_DLL_EXPORT int WARN_UNUSED msLineLabelPoint(mapObj *map, lineObj *p, textSymbolObj *ts, struct line_lengths *ll, struct label_auto_result *lar, labelObj *lbl, double resolutionfactor);
  MS_DLL_EXPORT int msPolygonLabelPoint(shapeObj *p, pointObj *lp, double min_dimension);
  MS_DLL_EXPORT int msAddLine(shapeObj *p, lineObj *new_line);
  MS_DLL_EXPORT int msAddLineDirectly(shapeObj *p, lineObj *new_line);
  MS_DLL_EXPORT int msAddPointToLine(lineObj *line, pointObj *point );
  MS_DLL_EXPORT double msGetPolygonArea(shapeObj *p);
  MS_DLL_EXPORT int msGetPolygonCentroid(shapeObj *p, pointObj *lp, double *miny, double *maxy);

  MS_DLL_EXPORT int msDrawRasterLayer(mapObj *map, layerObj *layer, imageObj *image); /* in mapraster.c */
  MS_DLL_EXPORT imageObj *msDrawReferenceMap(mapObj *map);

  /* mapbits.c - bit array handling functions and macros */

#define MS_ARRAY_BIT 32

#define MS_GET_BIT(array,i) (array[i>>5] & (1 <<(i & 0x3f)))
#define MS_SET_BIT(array,i) {array[i>>5] |= (1 <<(i & 0x3f));}
#define MS_CLR_BIT(array,i) {array[i>>5] &= (~(1 <<(i & 0x3f)));}

  MS_DLL_EXPORT size_t msGetBitArraySize(int numbits); /* in mapbits.c */
  MS_DLL_EXPORT ms_bitarray msAllocBitArray(int numbits);
  MS_DLL_EXPORT int msGetBit(ms_bitarray array, int index);
  MS_DLL_EXPORT void msSetBit(ms_bitarray array, int index, int value);
  MS_DLL_EXPORT void msSetAllBits(ms_bitarray array, int index, int value);
  MS_DLL_EXPORT void msFlipBit(ms_bitarray array, int index);
  MS_DLL_EXPORT int msGetNextBit(ms_bitarray array, int index, int size);

  /* maplayer.c - layerObj  api */

  MS_DLL_EXPORT int msLayerInitItemInfo(layerObj *layer);
  MS_DLL_EXPORT void msLayerFreeItemInfo(layerObj *layer);

  MS_DLL_EXPORT int msLayerOpen(layerObj *layer); /* in maplayer.c */
  MS_DLL_EXPORT int msLayerApplyScaletokens(layerObj *layer, double scale);
  MS_DLL_EXPORT int msLayerRestoreFromScaletokens(layerObj *layer);
  MS_DLL_EXPORT int msClusterLayerOpen(layerObj *layer); /* in mapcluster.c */
  MS_DLL_EXPORT int msLayerIsOpen(layerObj *layer);
  MS_DLL_EXPORT void msLayerClose(layerObj *layer);
  MS_DLL_EXPORT int msLayerWhichShapes(layerObj *layer, rectObj rect, int isQuery);
  MS_DLL_EXPORT int msLayerGetItemIndex(layerObj *layer, char *item);
  MS_DLL_EXPORT int msLayerWhichItems(layerObj *layer, int get_all, char *metadata);
  MS_DLL_EXPORT int msLayerNextShape(layerObj *layer, shapeObj *shape);
  MS_DLL_EXPORT int msLayerGetItems(layerObj *layer);
  MS_DLL_EXPORT int msLayerSetItems(layerObj *layer, char **items, int numitems);
  MS_DLL_EXPORT int msLayerGetShape(layerObj *layer, shapeObj *shape, resultObj *record);
  MS_DLL_EXPORT int msLayerGetExtent(layerObj *layer, rectObj *extent);
  MS_DLL_EXPORT int msLayerSetExtent( layerObj *layer, double minx, double miny, double maxx, double maxy);
  MS_DLL_EXPORT int msLayerGetAutoStyle(mapObj *map, layerObj *layer, classObj *c, shapeObj* shape);
  MS_DLL_EXPORT int msLayerGetFeatureStyle(mapObj *map, layerObj *layer, classObj *c, shapeObj* shape);
  MS_DLL_EXPORT void msLayerAddProcessing( layerObj *layer, const char *directive );
  MS_DLL_EXPORT void msLayerSetProcessingKey( layerObj *layer, const char *key,
      const char *value);
  MS_DLL_EXPORT char *msLayerGetProcessing( layerObj *layer, int proc_index);
  MS_DLL_EXPORT char *msLayerGetProcessingKey( layerObj *layer, const char *);
  MS_DLL_EXPORT int msLayerClearProcessing( layerObj *layer );
  MS_DLL_EXPORT char* msLayerGetFilterString( layerObj *layer );
  MS_DLL_EXPORT int msLayerEncodeShapeAttributes( layerObj *layer, shapeObj *shape);

  MS_DLL_EXPORT int msLayerSupportsCommonFilters(layerObj *layer);
  MS_DLL_EXPORT int msTokenizeExpression(expressionObj *expression, char **list, int *listsize);

  MS_DLL_EXPORT int msLayerSetTimeFilter(layerObj *lp, const char *timestring,
                                         const char *timefield);
  /* Helper functions for layers */
  MS_DLL_EXPORT int msLayerMakeBackticsTimeFilter(layerObj *lp, const char *timestring,
      const char *timefield);

  MS_DLL_EXPORT int msLayerMakePlainTimeFilter(layerObj *lp, const char *timestring,
      const char *timefield);

  MS_DLL_EXPORT int msLayerApplyCondSQLFilterToLayer(FilterEncodingNode *psNode, mapObj *map,
      int iLayerIndex);

  MS_DLL_EXPORT int msLayerApplyPlainFilterToLayer(FilterEncodingNode *psNode, mapObj *map,
      int iLayerIndex);


  /* maplayer.c */
  MS_DLL_EXPORT int msLayerGetNumFeatures(layerObj *layer);

  MS_DLL_EXPORT int msLayerSupportsPaging(layerObj *layer);

  MS_DLL_EXPORT void msLayerEnablePaging(layerObj *layer, int value);
  MS_DLL_EXPORT int msLayerGetPaging(layerObj *layer);

  MS_DLL_EXPORT int msLayerGetMaxFeaturesToDraw(layerObj *layer, outputFormatObj *format);

  MS_DLL_EXPORT char *msLayerEscapeSQLParam(layerObj *layer, const char* pszString);
  MS_DLL_EXPORT char *msLayerEscapePropertyName(layerObj *layer, const char* pszString);

  int msLayerSupportsSorting(layerObj *layer);
  void msLayerSetSort(layerObj *layer, const sortByClause* sortBy);
  char* msLayerBuildSQLOrderBy(layerObj *layer);

  /* These are special because SWF is using these */
  int msOGRLayerNextShape(layerObj *layer, shapeObj *shape);
  int msOGRLayerGetItems(layerObj *layer);
  void msOGRLayerFreeItemInfo(layerObj *layer);
  int msOGRLayerGetShape(layerObj *layer, shapeObj *shape, resultObj *record);
  int msOGRLayerGetExtent(layerObj *layer, rectObj *extent);

#ifdef USE_OGR
  MS_DLL_EXPORT int msOGRGeometryToShape(OGRGeometryH hGeometry, shapeObj *shape,
                                         OGRwkbGeometryType type);
#endif /* USE_OGR */

  MS_DLL_EXPORT int msInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msConnectLayer(layerObj *layer, const int connectiontype,
                                   const char *library_str);

  MS_DLL_EXPORT int msINLINELayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msSHPLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msTiledSHPLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msSDELayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msOGRLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msPostGISLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msOracleSpatialLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msWFSLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msGraticuleLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msRASTERLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msUVRASTERLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msContourLayerInitializeVirtualTable(layerObj *layer);  
  MS_DLL_EXPORT int msPluginLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT int msUnionLayerInitializeVirtualTable(layerObj *layer);
  MS_DLL_EXPORT void msPluginFreeVirtualTableFactory(void);

  /* ==================================================================== */
  /*      Prototypes for functions in mapdraw.c                           */
  /* ==================================================================== */

  MS_DLL_EXPORT imageObj *msPrepareImage(mapObj *map, int allow_nonsquare);
  MS_DLL_EXPORT imageObj *msDrawMap(mapObj *map, int querymap);
  MS_DLL_EXPORT int msLayerIsVisible(mapObj *map, layerObj *layer);
  MS_DLL_EXPORT int msDrawLayer(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT int msDrawVectorLayer(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT int msDrawQueryLayer(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT int msDrawWMSLayer(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT int msDrawWFSLayer(mapObj *map, layerObj *layer, imageObj *image);
  
#define MS_DRAWMODE_FEATURES    0x00001
#define MS_DRAW_FEATURES(mode) (MS_DRAWMODE_FEATURES&(mode))
#define MS_DRAWMODE_LABELS      0x00002
#define MS_DRAW_LABELS(mode) (MS_DRAWMODE_LABELS&(mode))
#define MS_DRAWMODE_SINGLESTYLE 0x00004
#define MS_DRAW_SINGLESTYLE(mode) (MS_DRAWMODE_SINGLESTYLE&(mode))
#define MS_DRAWMODE_QUERY       0x00008
#define MS_DRAW_QUERY(mode) (MS_DRAWMODE_QUERY&(mode))
#define MS_DRAWMODE_UNCLIPPEDLABELS       0x00010
#define MS_DRAW_UNCLIPPED_LABELS(mode) (MS_DRAWMODE_UNCLIPPEDLABELS&(mode))
#define MS_DRAWMODE_UNCLIPPEDLINES       0x00020
#define MS_DRAW_UNCLIPPED_LINES(mode) (MS_DRAWMODE_UNCLIPPEDLINES&(mode))

  MS_DLL_EXPORT int WARN_UNUSED msDrawShape(mapObj *map, layerObj *layer, shapeObj *shape, imageObj *image, int style, int mode);
  MS_DLL_EXPORT int WARN_UNUSED msDrawPoint(mapObj *map, layerObj *layer, pointObj *point, imageObj *image, int classindex, char *labeltext);

  /*Range Support*/
  MS_DLL_EXPORT int msShapeToRange(styleObj *style, shapeObj *shape);
  MS_DLL_EXPORT int msValueToRange(styleObj *style, double fieldVal);

  MS_DLL_EXPORT int WARN_UNUSED msDrawMarkerSymbol(mapObj *map, imageObj *image, pointObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msDrawLineSymbol(mapObj *map, imageObj *image, shapeObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msDrawShadeSymbol(mapObj *map, imageObj *image, shapeObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msCircleDrawLineSymbol(mapObj *map, imageObj *image, pointObj *p, double r, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msCircleDrawShadeSymbol(mapObj *map, imageObj *image, pointObj *p, double r, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msDrawPieSlice(mapObj *map, imageObj *image, pointObj *p, styleObj *style, double radius, double start, double end);
  MS_DLL_EXPORT int WARN_UNUSED msDrawLabelBounds(mapObj *map, imageObj *image, label_bounds *bnds, styleObj *style, double scalefactor);



  MS_DLL_EXPORT int WARN_UNUSED msDrawLabel(mapObj *map, imageObj *image, pointObj labelPnt, char *string, labelObj *label, double scalefactor);
  MS_DLL_EXPORT int WARN_UNUSED msDrawTextSymbol(mapObj *map, imageObj *image, pointObj labelPnt, textSymbolObj *ts);
  MS_DLL_EXPORT int WARN_UNUSED msDrawLabelCache(mapObj *map, imageObj *image);

  MS_DLL_EXPORT void msImageStartLayer(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT void msImageEndLayer(mapObj *map, layerObj *layer, imageObj *image);

  MS_DLL_EXPORT void msDrawStartShape(mapObj *map, layerObj *layer, imageObj *image, shapeObj *shape);
  MS_DLL_EXPORT void msDrawEndShape(mapObj *map, layerObj *layer, imageObj *image, shapeObj *shape);
  /* ==================================================================== */
  /*      End of Prototypes for functions in mapdraw.c                    */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      Prototypes for functions in mapgeomutil.cpp                       */
  /* ==================================================================== */
  MS_DLL_EXPORT shapeObj *msRasterizeArc(double x0, double y0, double radius, double startAngle, double endAngle, int isSlice);
  MS_DLL_EXPORT int msHatchPolygon(imageObj *img, shapeObj *poly, double spacing, double width, double *pattern, int patternlength, double angle, colorObj *color);



  /* ==================================================================== */
  /*      Prototypes for functions in mapimagemap.c                       */
  /* ==================================================================== */
  MS_DLL_EXPORT imageObj *msImageCreateIM(int width, int height, outputFormatObj *format, char *imagepath, char *imageurl, double resolution, double defresolution);
  MS_DLL_EXPORT void msImageStartLayerIM(mapObj *map, layerObj *layer, imageObj *image);
  MS_DLL_EXPORT int msSaveImageIM(imageObj* img, char *filename, outputFormatObj *format);
  MS_DLL_EXPORT void msFreeImageIM(imageObj* img);
  MS_DLL_EXPORT void msDrawMarkerSymbolIM(mapObj *map, imageObj* img, pointObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT void msDrawLineSymbolIM(mapObj *map, imageObj* img, shapeObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT void msDrawShadeSymbolIM(mapObj *map, imageObj* img, shapeObj *p, styleObj *style, double scalefactor);
  MS_DLL_EXPORT int msDrawTextIM(mapObj *map, imageObj* img, pointObj labelPnt, char *string, labelObj *label, double scalefactor);
  /* ==================================================================== */
  /*      End of Prototypes for functions in mapimagemap.c                */
  /* ==================================================================== */


  /* various JOIN functions (in mapjoin.c) */
  MS_DLL_EXPORT int msJoinConnect(layerObj *layer, joinObj *join);
  MS_DLL_EXPORT int msJoinPrepare(joinObj *join, shapeObj *shape);
  MS_DLL_EXPORT int msJoinNext(joinObj *join);
  MS_DLL_EXPORT int msJoinClose(joinObj *join);

  /*in mapraster.c */
  MS_DLL_EXPORT int msDrawRasterLayerLow(mapObj *map, layerObj *layer, imageObj *image, rasterBufferObj *rb );
  MS_DLL_EXPORT int msGetClass(layerObj *layer, colorObj *color, int colormap_index);
  MS_DLL_EXPORT int msGetClass_FloatRGB(layerObj *layer, float fValue,
                                        int red, int green, int blue );

  /* in mapdrawgdal.c */
  MS_DLL_EXPORT int msDrawRasterLayerGDAL(mapObj *map, layerObj *layer, imageObj *image, rasterBufferObj *rb, void *hDSVoid );
  MS_DLL_EXPORT int msGetGDALGeoTransform(void *hDS, mapObj *map, layerObj *layer, double *padfGeoTransform );
  MS_DLL_EXPORT int *msGetGDALBandList( layerObj *layer, void *hDS, int max_bands, int *band_count );
  MS_DLL_EXPORT double msGetGDALNoDataValue( layerObj *layer, void *hBand, int *pbGotNoData );

  /* in mapchart.c */
  MS_DLL_EXPORT int msDrawChartLayer(mapObj *map, layerObj *layer, imageObj *image);

  /* ==================================================================== */
  /*      End of prototypes for functions in mapgd.c                      */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      Prototypes for functions in maputil.c                           */
  /* ==================================================================== */

  MS_DLL_EXPORT int msScaleInBounds(double scale, double minscale, double maxscale);
  MS_DLL_EXPORT void *msSmallMalloc( size_t nSize );
  MS_DLL_EXPORT void * msSmallRealloc( void * pData, size_t nNewSize );
  MS_DLL_EXPORT void *msSmallCalloc( size_t nCount, size_t nSize );
  MS_DLL_EXPORT int msIntegerInArray(const int value, int *array, int numelements);

  MS_DLL_EXPORT int msExtentsOverlap(mapObj *map, layerObj *layer);
  MS_DLL_EXPORT char *msBuildOnlineResource(mapObj *map, cgiRequestObj *req);

  /* For mapswf */
  MS_DLL_EXPORT int getRgbColor(mapObj *map,int i,int *r,int *g,int *b); /* maputil.c */

  MS_DLL_EXPORT int msBindLayerToShape(layerObj *layer, shapeObj *shape, int querymapMode);
  MS_DLL_EXPORT int msValidateContexts(mapObj *map);
  MS_DLL_EXPORT int msEvalContext(mapObj *map, layerObj *layer, char *context);
  MS_DLL_EXPORT int msEvalExpression(layerObj *layer, shapeObj *shape, expressionObj *expression, int itemindex);
  MS_DLL_EXPORT int msShapeGetClass(layerObj *layer, mapObj *map, shapeObj *shape, int *classgroup, int numclasses);
  MS_DLL_EXPORT int msShapeCheckSize(shapeObj *shape, double minfeaturesize);
  MS_DLL_EXPORT char* msShapeGetLabelAnnotation(layerObj *layer, shapeObj *shape, labelObj *lbl);
  MS_DLL_EXPORT int msGetLabelStatus(mapObj *map, layerObj *layer, shapeObj *shape, labelObj *lbl);
  MS_DLL_EXPORT int msAdjustImage(rectObj rect, int *width, int *height);
  MS_DLL_EXPORT char *msEvalTextExpression(expressionObj *expr, shapeObj *shape);
  MS_DLL_EXPORT double msAdjustExtent(rectObj *rect, int width, int height);
  MS_DLL_EXPORT int msConstrainExtent(rectObj *bounds, rectObj *rect, double overlay);
  MS_DLL_EXPORT int *msGetLayersIndexByGroup(mapObj *map, char *groupname, int *nCount);
  MS_DLL_EXPORT unsigned char *msSaveImageBuffer(imageObj* image, int *size_ptr, outputFormatObj *format);
  MS_DLL_EXPORT shapeObj* msOffsetPolyline(shapeObj* shape, double offsetx, double offsety);
  MS_DLL_EXPORT int msMapSetLayerProjections(mapObj* map);
  
  /* Functions to chnage the drawing order of the layers. */
  /* Defined in mapobject.c */
  MS_DLL_EXPORT int msMoveLayerUp(mapObj *map, int nLayerIndex);
  MS_DLL_EXPORT int msMoveLayerDown(mapObj *map, int nLayerIndex);
  MS_DLL_EXPORT int msSetLayersdrawingOrder(mapObj *self, int *panIndexes);
  MS_DLL_EXPORT int msInsertLayer(mapObj *map, layerObj *layer, int nIndex);
  MS_DLL_EXPORT layerObj *msRemoveLayer(mapObj *map, int nIndex);

  /* Defined in layerobject.c */
  MS_DLL_EXPORT int msInsertClass(layerObj *layer,classObj *classobj,int nIndex);
  MS_DLL_EXPORT classObj *msRemoveClass(layerObj *layer, int nIndex);
  MS_DLL_EXPORT int msMoveClassUp(layerObj *layer, int nClassIndex);
  MS_DLL_EXPORT int msMoveClassDown(layerObj *layer, int nClassIndex);

  /* classobject.c */
  MS_DLL_EXPORT int msAddLabelToClass(classObj *classo, labelObj *label);
  MS_DLL_EXPORT labelObj *msRemoveLabelFromClass(classObj *classo, int nLabelIndex);
  MS_DLL_EXPORT int msMoveStyleUp(classObj *classo, int nStyleIndex);
  MS_DLL_EXPORT int msMoveStyleDown(classObj *classo, int nStyleIndex);
  MS_DLL_EXPORT int msDeleteStyle(classObj *classo, int nStyleIndex);
  MS_DLL_EXPORT int msInsertStyle(classObj *classo, styleObj *style, int nStyleIndex);
  MS_DLL_EXPORT styleObj *msRemoveStyle(classObj *classo, int index);

  /* maplabel.c */
  MS_DLL_EXPORT int msInsertLabelStyle(labelObj *label, styleObj *style,
                                       int nStyleIndex);
  MS_DLL_EXPORT int msMoveLabelStyleUp(labelObj *label, int nStyleIndex);
  MS_DLL_EXPORT int msMoveLabelStyleDown(labelObj *label, int nStyleIndex);
  MS_DLL_EXPORT int msDeleteLabelStyle(labelObj *label, int nStyleIndex);
  MS_DLL_EXPORT styleObj *msRemoveLabelStyle(labelObj *label, int nStyleIndex);

  /* Measured shape utility functions. */
  MS_DLL_EXPORT pointObj *msGetPointUsingMeasure(shapeObj *shape, double m);
  MS_DLL_EXPORT pointObj *msGetMeasureUsingPoint(shapeObj *shape, pointObj *point);

  MS_DLL_EXPORT char **msGetAllGroupNames(mapObj* map, int *numTok);
  MS_DLL_EXPORT char *msTmpFile(mapObj *map, const char *mappath, const char *tmppath, const char *ext);
  MS_DLL_EXPORT char *msTmpPath(mapObj *map, const char *mappath, const char *tmppath);
  MS_DLL_EXPORT char *msTmpFilename(const char *ext);
  MS_DLL_EXPORT void msForceTmpFileBase( const char *new_base );


  MS_DLL_EXPORT imageObj *msImageCreate(int width, int height, outputFormatObj *format, char *imagepath, char *imageurl, double resolution, double defresolution, colorObj *bg);

  MS_DLL_EXPORT void msAlphaBlend(
    unsigned char red_src, unsigned char green_src,
    unsigned char blue_src, unsigned char alpha_src,
    unsigned char *red_dst, unsigned char *green_dst,
    unsigned char *blue_dst, unsigned char *alpha_dst );
  MS_DLL_EXPORT void msAlphaBlendPM(
    unsigned char red_src, unsigned char green_src,
    unsigned char blue_src, unsigned char alpha_src,
    unsigned char *red_dst, unsigned char *green_dst,
    unsigned char *blue_dst, unsigned char *alpha_dst );

  MS_DLL_EXPORT int msCheckParentPointer(void* p, char* objname);

  MS_DLL_EXPORT int *msAllocateValidClassGroups(layerObj *lp, int *nclasses);

  MS_DLL_EXPORT void msFreeRasterBuffer(rasterBufferObj *b);

  void msMapSetLanguageSpecificConnection(mapObj* map, const char* validated_language);
  MS_DLL_EXPORT shapeObj* msGeneralize(shapeObj * shape, double tolerance);
  /* ==================================================================== */
  /*      End of prototypes for functions in maputil.c                    */
  /* ==================================================================== */


  /* ==================================================================== */
  /*      prototypes for functions in mapoutput.c                         */
  /* ==================================================================== */

  MS_DLL_EXPORT void msApplyDefaultOutputFormats( mapObj * );
  MS_DLL_EXPORT void msFreeOutputFormat( outputFormatObj * );
  MS_DLL_EXPORT int msGetOutputFormatIndex(mapObj *map, const char *imagetype);
  MS_DLL_EXPORT int msRemoveOutputFormat(mapObj *map, const char *imagetype);
  MS_DLL_EXPORT int msAppendOutputFormat(mapObj *map, outputFormatObj *format);
  MS_DLL_EXPORT outputFormatObj *msSelectOutputFormat( mapObj *map, const char *imagetype );
  MS_DLL_EXPORT void msApplyOutputFormat( outputFormatObj **target, outputFormatObj *format, int transparent, int interlaced, int imagequality );
  MS_DLL_EXPORT const char *msGetOutputFormatOption( outputFormatObj *format, const char *optionkey, const char *defaultresult );
  MS_DLL_EXPORT outputFormatObj *msCreateDefaultOutputFormat( mapObj *map, const char *driver, const char *name );
  MS_DLL_EXPORT int msPostMapParseOutputFormatSetup( mapObj *map );
  MS_DLL_EXPORT void msSetOutputFormatOption( outputFormatObj *format, const char *key, const char *value );
  MS_DLL_EXPORT void msGetOutputFormatMimeList( mapObj *map, char **mime_list, int max_mime );
  MS_DLL_EXPORT void msGetOutputFormatMimeListImg( mapObj *map, char **mime_list, int max_mime );
  MS_DLL_EXPORT void msGetOutputFormatMimeListWMS( mapObj *map, char **mime_list, int max_mime );
  MS_DLL_EXPORT outputFormatObj *msCloneOutputFormat( outputFormatObj *format );
  MS_DLL_EXPORT int msOutputFormatValidate( outputFormatObj *format,
      int issue_error );

  /* ==================================================================== */
  /*      End of prototypes for functions in mapoutput.c                  */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      prototypes for functions in mapgdal.c                           */
  /* ==================================================================== */
  MS_DLL_EXPORT int msSaveImageGDAL( mapObj *map, imageObj *image, char *filename );
  MS_DLL_EXPORT int msInitDefaultGDALOutputFormat( outputFormatObj *format );

  /* ==================================================================== */
  /*      prototypes for functions in mapogroutput.c                      */
  /* ==================================================================== */
  MS_DLL_EXPORT int msInitDefaultOGROutputFormat( outputFormatObj *format );
  MS_DLL_EXPORT int msOGRWriteFromQuery( mapObj *map, outputFormatObj *format,
                                         int sendheaders );

  /* ==================================================================== */
  /*      Public prototype for mapogr.cpp functions.                      */
  /* ==================================================================== */
  int MS_DLL_EXPORT msOGRLayerWhichShapes(layerObj *layer, rectObj rect, int isQuery);
  int MS_DLL_EXPORT msOGRLayerOpen(layerObj *layer, const char *pszOverrideConnection); /* in mapogr.cpp */
  int MS_DLL_EXPORT msOGRLayerClose(layerObj *layer);

  char MS_DLL_EXPORT *msOGRShapeToWKT(shapeObj *shape);
  shapeObj MS_DLL_EXPORT *msOGRShapeFromWKT(const char *string);
  int msOGRUpdateStyleFromString(mapObj *map, layerObj *layer, classObj *c,
                                 const char *stylestring);

  /* ==================================================================== */
  /*      prototypes for functions in mapcopy                             */
  /* ==================================================================== */
  MS_DLL_EXPORT int msCopyMap(mapObj *dst, mapObj *src);
  MS_DLL_EXPORT int msCopyLayer(layerObj *dst, layerObj *src);
  MS_DLL_EXPORT int msCopyScaleToken(scaleTokenObj *src, scaleTokenObj *dst);
  MS_DLL_EXPORT int msCopyPoint(pointObj *dst, pointObj *src);
  MS_DLL_EXPORT int msCopyFontSet(fontSetObj *dst, fontSetObj *src, mapObj *map);
  MS_DLL_EXPORT void copyProperty(void *dst, void *src, int size);
  MS_DLL_EXPORT char *copyStringProperty(char **dst, char *src);
  MS_DLL_EXPORT int msCopyClass(classObj *dst, classObj *src, layerObj *layer);
  MS_DLL_EXPORT int msCopyStyle(styleObj *dst, styleObj *src);
  MS_DLL_EXPORT int msCopyLabel(labelObj *dst, labelObj *src);
  MS_DLL_EXPORT int msCopyLabelLeader(labelLeaderObj *dst, labelLeaderObj *src);
  MS_DLL_EXPORT int msCopyLine(lineObj *dst, lineObj *src);
  MS_DLL_EXPORT int msCopyProjection(projectionObj *dst, projectionObj *src);
  int msCopyExpression(expressionObj *dst, expressionObj *src);
  int msCopyProjection(projectionObj *dst, projectionObj *src);

  /* ==================================================================== */
  /*      end prototypes for functions in mapcopy                         */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      mappool.c: connection pooling API.                              */
  /* ==================================================================== */
  MS_DLL_EXPORT void *msConnPoolRequest( layerObj *layer );
  MS_DLL_EXPORT void msConnPoolRelease( layerObj *layer, void * );
  MS_DLL_EXPORT void msConnPoolRegister( layerObj *layer,
                                         void *conn_handle,
                                         void (*close)( void * ) );
  MS_DLL_EXPORT void msConnPoolCloseUnreferenced( void );
  MS_DLL_EXPORT void msConnPoolFinalCleanup( void );

  /* ==================================================================== */
  /*      prototypes for functions in mapcpl.c                            */
  /* ==================================================================== */
  MS_DLL_EXPORT const char *msGetBasename( const char *pszFullFilename );
  MS_DLL_EXPORT void *msGetSymbol(const char *pszLibrary,
                                  const char *pszEntryPoint);

  /* ==================================================================== */
  /*      include definitions from mapows.h                               */
  /* ==================================================================== */
#include "mapows.h"


  /* ==================================================================== */
  /*      prototypes for functions in mapgeos.c                         */
  /* ==================================================================== */
  MS_DLL_EXPORT void msGEOSSetup(void);
  MS_DLL_EXPORT void msGEOSCleanup(void);
  MS_DLL_EXPORT void msGEOSFreeGeometry(shapeObj *shape);

  MS_DLL_EXPORT shapeObj *msGEOSShapeFromWKT(const char *string);
  MS_DLL_EXPORT char *msGEOSShapeToWKT(shapeObj *shape);
  MS_DLL_EXPORT void msGEOSFreeWKT(char* pszGEOSWKT);

  MS_DLL_EXPORT shapeObj *msGEOSBuffer(shapeObj *shape, double width);
  MS_DLL_EXPORT shapeObj *msGEOSSimplify(shapeObj *shape, double tolerance);
  MS_DLL_EXPORT shapeObj *msGEOSTopologyPreservingSimplify(shapeObj *shape, double tolerance);
  MS_DLL_EXPORT shapeObj *msGEOSConvexHull(shapeObj *shape);
  MS_DLL_EXPORT shapeObj *msGEOSBoundary(shapeObj *shape);
  MS_DLL_EXPORT pointObj *msGEOSGetCentroid(shapeObj *shape);
  MS_DLL_EXPORT shapeObj *msGEOSUnion(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT shapeObj *msGEOSIntersection(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT shapeObj *msGEOSDifference(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT shapeObj *msGEOSSymDifference(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT shapeObj *msGEOSOffsetCurve(shapeObj *p, double offset);

  MS_DLL_EXPORT int msGEOSContains(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSOverlaps(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSWithin(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSCrosses(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSIntersects(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSTouches(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSEquals(shapeObj *shape1, shapeObj *shape2);
  MS_DLL_EXPORT int msGEOSDisjoint(shapeObj *shape1, shapeObj *shape2);

  MS_DLL_EXPORT double msGEOSArea(shapeObj *shape);
  MS_DLL_EXPORT double msGEOSLength(shapeObj *shape);
  MS_DLL_EXPORT double msGEOSDistance(shapeObj *shape1, shapeObj *shape2);

  /* ==================================================================== */
  /*      prototypes for functions in mapcrypto.c                         */
  /* ==================================================================== */
  MS_DLL_EXPORT int msGenerateEncryptionKey(unsigned char *k);
  MS_DLL_EXPORT int msReadEncryptionKeyFromFile(const char *keyfile, unsigned char *k);
  MS_DLL_EXPORT void msEncryptStringWithKey(const unsigned char *key, const char *in, char *out);
  MS_DLL_EXPORT void msDecryptStringWithKey(const unsigned char *key, const char *in, char *out);
  MS_DLL_EXPORT char *msDecryptStringTokens(mapObj *map, const char *in);
  MS_DLL_EXPORT void msHexEncode(const unsigned char *in, char *out, int numbytes);
  MS_DLL_EXPORT int msHexDecode(const char *in, unsigned char *out, int numchars);

  /* ==================================================================== */
  /*      prototypes for functions in mapxmp.c                            */
  /* ==================================================================== */
  MS_DLL_EXPORT int msXmpPresent(mapObj *map);
  MS_DLL_EXPORT int msXmpWrite(mapObj *map, const char *filename);

  /* ==================================================================== */
  /*      prototypes for functions in mapgeomtransform.c                  */
  /* ==================================================================== */
  enum MS_GEOMTRANSFORM_TYPE {
    MS_GEOMTRANSFORM_NONE,
    MS_GEOMTRANSFORM_EXPRESSION,
    MS_GEOMTRANSFORM_START,
    MS_GEOMTRANSFORM_END,
    MS_GEOMTRANSFORM_VERTICES,
    MS_GEOMTRANSFORM_BBOX,
    MS_GEOMTRANSFORM_CENTROID,
    MS_GEOMTRANSFORM_BUFFER,
    MS_GEOMTRANSFORM_CONVEXHULL,
    MS_GEOMTRANSFORM_LABELPOINT,
    MS_GEOMTRANSFORM_LABELPOLY
  };

  MS_DLL_EXPORT int msDrawTransformedShape(mapObj *map, imageObj *image, shapeObj *shape, styleObj *style, double scalefactor);
  MS_DLL_EXPORT void msStyleSetGeomTransform(styleObj *s, char *transform);
  MS_DLL_EXPORT char *msStyleGetGeomTransform(styleObj *style);

  MS_DLL_EXPORT int msGeomTransformShape(mapObj *map, layerObj *layer, shapeObj *shape);  
  
  /* ==================================================================== */
  /*      end of prototypes for functions in mapgeomtransform.c                 */
  /* ==================================================================== */


  /* ==================================================================== */
  /*      prototypes for functions in mapgraticule.c                      */
  /* ==================================================================== */
  MS_DLL_EXPORT graticuleIntersectionObj *msGraticuleLayerGetIntersectionPoints(mapObj *map, layerObj *layer);
  MS_DLL_EXPORT void msGraticuleLayerFreeIntersectionPoints( graticuleIntersectionObj *psValue);

  /* ==================================================================== */
  /*      end of prototypes for functions in mapgraticule.c               */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      prototypes for functions in mapsmoothing.c                      */
  /* ==================================================================== */
  MS_DLL_EXPORT shapeObj* msSmoothShapeSIA(shapeObj *shape, int ss, int si, char *preprocessing);
  
  /* ==================================================================== */
  /*      end of prototypes for functions in mapsmoothing.c               */
  /* ==================================================================== */

  /* ==================================================================== */
  /*      prototypes for functions in mapv8.cpp                           */
  /* ==================================================================== */
#ifdef USE_V8
  MS_DLL_EXPORT char* msV8GetFeatureStyle(mapObj *map, const char *filename,
                                          layerObj *layer, shapeObj *shape);
  MS_DLL_EXPORT void msV8CreateContext(mapObj *map);
  MS_DLL_EXPORT void msV8FreeContext(mapObj *map);
#endif
  /* ==================================================================== */
  /*      end of prototypes for functions in mapv8.cpp                    */
  /* ==================================================================== */

#endif


#ifndef SWIG
  /*
   * strokeStyleObj
   */
  typedef struct {
    double width; /* line width in pixels */

    /* line pattern, e.g. dots, dashes, etc.. */
    int patternlength;
    double pattern[MS_MAXPATTERNLENGTH];
    double patternoffset;

    /* must be a valid color if not NULL */
    /* color.alpha must be used if supported by the renderer */
    colorObj *color;

    int linecap; /* MS_CJC_TRIANGLE, MS_CJC_SQUARE, MS_CJC_ROUND, MS_CJC_BUTT */
    int linejoin; /* MS_CJC_BEVEL MS_CJC_ROUND MS_CJC_MITER */
    double linejoinmaxsize;
  } strokeStyleObj;

#define INIT_STROKE_STYLE(s) { (s).width=0; (s).patternlength=0; (s).color=NULL; (s).linecap=MS_CJC_ROUND; (s).linejoin=MS_CJC_ROUND; (s).linejoinmaxsize=0;}


  /*
   * symbolStyleObj
   */
  typedef struct {
    /* must be valid colors if not NULL */
    /* color.alpha must be used if supported by the renderer */
    colorObj *color;
    colorObj *backgroundcolor;

    double outlinewidth;
    colorObj *outlinecolor;

    /* scalefactor to be applied on the tile or symbol*/
    double scale;

    /* rotation to apply on the symbol (and the tile?)
     * in radians */
    double rotation;

    /* the gap to space symbols appart when used as a polygon tile
     */
    double gap;

    /* style object, necessary for vector type renderers to be able
     * to render symbols through other renders such as cairo/agg */
    styleObj *style;
  } symbolStyleObj;

#define INIT_SYMBOL_STYLE(s) {(s).color=NULL; (s).backgroundcolor=NULL; (s).outlinewidth=0; (s).outlinecolor=NULL; (s).scale=1.0; (s).rotation=0; (s).style=NULL;}

  struct tileCacheObj {
    symbolObj *symbol;
    int width;
    int height;
    colorObj color, outlinecolor, backgroundcolor;
    double outlinewidth, rotation,scale;
    imageObj *image;
    tileCacheObj *next;
  };


  /*
   * labelStyleObj
   */
  typedef struct {
    /* full paths to truetype font file */
    char* fonts[MS_MAX_LABEL_FONTS];
    int numfonts;
    double size;
    double rotation;
    colorObj *color;
    double outlinewidth;
    colorObj *outlinecolor;
  } labelStyleObj;

#define INIT_LABEL_STYLE(s) {memset(&(s),'\0',sizeof(labelStyleObj));}

#endif

#ifndef SWIG
  MS_DLL_EXPORT int msInitializeDummyRenderer(rendererVTableObj *vtable);
  MS_DLL_EXPORT int msInitializeRendererVTable(outputFormatObj *outputformat);
  MS_DLL_EXPORT int msPopulateRendererVTableCairoRaster( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableCairoSVG( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableCairoPDF( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableOGL( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableAGG( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableUTFGrid( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableKML( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableOGR( rendererVTableObj *renderer );
  MS_DLL_EXPORT int msPopulateRendererVTableOGR( rendererVTableObj *renderer );

#ifdef USE_CAIRO
  MS_DLL_EXPORT void msCairoCleanup(void);
#endif

  /* allocate 50k for starters */
#define MS_DEFAULT_BUFFER_ALLOC 50000

  typedef struct _autobuffer {
    unsigned char *data;
    size_t size;
    size_t available;
    size_t _next_allocation_size;
  } bufferObj;


  /* in mapimageio.c */
  int msQuantizeRasterBuffer(rasterBufferObj *rb, unsigned int *reqcolors, rgbaPixel *palette,
                             rgbaPixel *forced_palette, int num_forced_palette_entries,
                             unsigned int *palette_scaling_maxval);
  int msClassifyRasterBuffer(rasterBufferObj *rb, rasterBufferObj *qrb);
  int msSaveRasterBuffer(mapObj *map, rasterBufferObj *data, FILE *stream, outputFormatObj *format);
  int msSaveRasterBufferToBuffer(rasterBufferObj *data, bufferObj *buffer, outputFormatObj *format);
  int msLoadMSRasterBufferFromFile(char *path, rasterBufferObj *rb);

  void msBufferInit(bufferObj *buffer);
  void msBufferResize(bufferObj *buffer, size_t target_size);
  MS_DLL_EXPORT void msBufferFree(bufferObj *buffer);
  MS_DLL_EXPORT void msBufferAppend(bufferObj *buffer, void *data, size_t length);

  typedef struct {
    int charWidth, charHeight;
  } fontMetrics;

  struct rendererVTableObj {
    int supports_transparent_layers;
    int supports_pixel_buffer;
    int supports_clipping;
    int supports_svg;
    int use_imagecache;
    enum MS_TRANSFORM_MODE default_transform_mode;
    enum MS_TRANSFORM_MODE transform_mode;
    double default_approximation_scale;
    double approximation_scale;

    void *renderer_data;

    int WARN_UNUSED (*renderLine)(imageObj *img, shapeObj *p, strokeStyleObj *style);
    int WARN_UNUSED (*renderPolygon)(imageObj *img, shapeObj *p, colorObj *color);
    int WARN_UNUSED (*renderPolygonTiled)(imageObj *img, shapeObj *p, imageObj *tile);
    int WARN_UNUSED (*renderLineTiled)(imageObj *img, shapeObj *p, imageObj *tile);

    int WARN_UNUSED (*renderGlyphs)(imageObj *img, textPathObj *tp, colorObj *clr, colorObj *olcolor, int olwidth);
    int WARN_UNUSED (*renderText)(imageObj *img, pointObj *labelpnt, char *text, double angle, colorObj *clr, colorObj *olcolor, int olwidth);

    int WARN_UNUSED (*renderVectorSymbol)(imageObj *img, double x, double y,
                              symbolObj *symbol, symbolStyleObj *style);

    int WARN_UNUSED (*renderPixmapSymbol)(imageObj *img, double x, double y,
                              symbolObj *symbol, symbolStyleObj *style);

    int WARN_UNUSED (*renderEllipseSymbol)(imageObj *image, double x, double y,
                               symbolObj *symbol, symbolStyleObj *style);

    int WARN_UNUSED (*renderSVGSymbol)(imageObj *img, double x, double y,
                           symbolObj *symbol, symbolStyleObj *style);

    int WARN_UNUSED (*renderTile)(imageObj *img, imageObj *tile, double x, double y);

    int WARN_UNUSED (*loadImageFromFile)(char *path, rasterBufferObj *rb);

    int WARN_UNUSED (*getRasterBufferHandle)(imageObj *img, rasterBufferObj *rb);
    int WARN_UNUSED (*getRasterBufferCopy)(imageObj *img, rasterBufferObj *rb);
    int WARN_UNUSED (*initializeRasterBuffer)(rasterBufferObj *rb, int width, int height, int mode);

    int WARN_UNUSED (*mergeRasterBuffer)(imageObj *dest, rasterBufferObj *overlay, double opacity, int srcX, int srcY, int dstX, int dstY, int width, int height);


    /* image i/o */
    imageObj* WARN_UNUSED (*createImage)(int width, int height, outputFormatObj *format, colorObj* bg);
    int WARN_UNUSED (*saveImage)(imageObj *img, mapObj *map, FILE *fp, outputFormatObj *format);
    unsigned char* WARN_UNUSED (*saveImageBuffer)(imageObj *img, int *size_ptr, outputFormatObj *format);
    /*...*/

    int (*startLayer)(imageObj *img, mapObj *map, layerObj *layer);
    int (*endLayer)(imageObj *img, mapObj *map, layerObj *layer);

    int (*startShape)(imageObj *img, shapeObj *shape);
    int (*endShape)(imageObj *img, shapeObj *shape);
    int (*setClip)(imageObj *img, rectObj clipRect);
    int (*resetClip)(imageObj *img);

    int (*freeImage)(imageObj *image);
    int (*freeSymbol)(symbolObj *symbol);
    int (*cleanup)(void *renderer_data);
  } ;
  MS_DLL_EXPORT int msRenderRasterizedSVGSymbol(imageObj* img, double x, double y, symbolObj* symbol, symbolStyleObj* style);

#define MS_IMAGE_RENDERER(im) ((im)->format->vtable)
#define MS_RENDERER_CACHE(renderer) ((renderer)->renderer_data)
#define MS_IMAGE_RENDERER_CACHE(im) MS_RENDERER_CACHE(MS_IMAGE_RENDERER((im)))
#define MS_MAP_RENDERER(map) ((map)->outputformat->vtable)

shapeObj *msOffsetCurve(shapeObj *p, double offset);
#if defined USE_GEOS && (GEOS_VERSION_MAJOR > 3 || (GEOS_VERSION_MAJOR == 3 && GEOS_VERSION_MINOR >= 3))
shapeObj *msGEOSOffsetCurve(shapeObj *p, double offset);
#endif

#endif /* SWIG */

#ifdef __cplusplus
}
#endif

#endif /* MAP_H */