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00020
00021 #ifndef GEOS_IO_WKTWRITER_H
00022 #define GEOS_IO_WKTWRITER_H
00023
00024 #include <geos/export.h>
00025
00026 #include <string>
00027
00028 #ifdef _MSC_VER
00029 #pragma warning(push)
00030 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00031 #endif
00032
00033
00034 namespace geos {
00035 namespace geom {
00036 class Coordinate;
00037 class CoordinateSequence;
00038 class Geometry;
00039 class GeometryCollection;
00040 class Point;
00041 class LineString;
00042 class LinearRing;
00043 class Polygon;
00044 class MultiPoint;
00045 class MultiLineString;
00046 class MultiPolygon;
00047 class PrecisionModel;
00048 }
00049 namespace io {
00050 class Writer;
00051 }
00052 }
00053
00054
00055 namespace geos {
00056 namespace io {
00057
00079 class GEOS_DLL WKTWriter {
00080 public:
00081 WKTWriter();
00082 ~WKTWriter();
00083
00084
00085
00086
00088 std::string write(const geom::Geometry *geometry);
00089
00090
00091 void write(const geom::Geometry *geometry, Writer *writer);
00092
00093 std::string writeFormatted(const geom::Geometry *geometry);
00094
00095 void writeFormatted(const geom::Geometry *geometry, Writer *writer);
00096
00104 static std::string toLineString(const geom::CoordinateSequence& seq);
00105
00114 static std::string toLineString(const geom::Coordinate& p0, const geom::Coordinate& p1);
00115
00123 static std::string toPoint(const geom::Coordinate& p0);
00124
00132 void setRoundingPrecision(int p0);
00133
00140 void setTrim(bool p0);
00141
00152 void setOld3D(bool useOld3D ) { old3D = useOld3D; }
00153
00154
00155
00156
00157
00158
00159 int getOutputDimension() const { return defaultOutputDimension; }
00160
00161
00162
00163
00164
00165
00166
00167
00168 void setOutputDimension(int newOutputDimension);
00169
00170 protected:
00171
00172 int decimalPlaces;
00173
00174 void appendGeometryTaggedText(const geom::Geometry *geometry, int level, Writer *writer);
00175
00176 void appendPointTaggedText(
00177 const geom::Coordinate* coordinate,
00178 int level, Writer *writer);
00179
00180 void appendLineStringTaggedText(
00181 const geom::LineString *lineString,
00182 int level, Writer *writer);
00183
00184 void appendLinearRingTaggedText(
00185 const geom::LinearRing *lineString,
00186 int level, Writer *writer);
00187
00188 void appendPolygonTaggedText(
00189 const geom::Polygon *polygon,
00190 int level, Writer *writer);
00191
00192 void appendMultiPointTaggedText(
00193 const geom::MultiPoint *multipoint,
00194 int level, Writer *writer);
00195
00196 void appendMultiLineStringTaggedText(
00197 const geom::MultiLineString *multiLineString,
00198 int level,Writer *writer);
00199
00200 void appendMultiPolygonTaggedText(
00201 const geom::MultiPolygon *multiPolygon,
00202 int level, Writer *writer);
00203
00204 void appendGeometryCollectionTaggedText(
00205 const geom::GeometryCollection *geometryCollection,
00206 int level,Writer *writer);
00207
00208 void appendPointText(const geom::Coordinate* coordinate, int level,
00209 Writer *writer);
00210
00211 void appendCoordinate(const geom::Coordinate* coordinate,
00212 Writer *writer);
00213
00214 std::string writeNumber(double d);
00215
00216 void appendLineStringText(
00217 const geom::LineString *lineString,
00218 int level, bool doIndent, Writer *writer);
00219
00220 void appendPolygonText(
00221 const geom::Polygon *polygon,
00222 int level, bool indentFirst, Writer *writer);
00223
00224 void appendMultiPointText(
00225 const geom::MultiPoint *multiPoint,
00226 int level, Writer *writer);
00227
00228 void appendMultiLineStringText(
00229 const geom::MultiLineString *multiLineString,
00230 int level, bool indentFirst,Writer *writer);
00231
00232 void appendMultiPolygonText(
00233 const geom::MultiPolygon *multiPolygon,
00234 int level, Writer *writer);
00235
00236 void appendGeometryCollectionText(
00237 const geom::GeometryCollection *geometryCollection,
00238 int level,Writer *writer);
00239
00240 private:
00241
00242 enum {
00243 INDENT = 2
00244 };
00245
00246
00247
00248 bool isFormatted;
00249
00250 int roundingPrecision;
00251
00252 bool trim;
00253
00254 int level;
00255
00256 int defaultOutputDimension;
00257 int outputDimension;
00258 bool old3D;
00259
00260 void writeFormatted(
00261 const geom::Geometry *geometry,
00262 bool isFormatted, Writer *writer);
00263
00264 void indent(int level, Writer *writer);
00265 };
00266
00267 }
00268 }
00269
00270 #ifdef _MSC_VER
00271 #pragma warning(pop)
00272 #endif
00273
00274 #endif // #ifndef GEOS_IO_WKTWRITER_H