/src/gdal/ogr/ogrmulticurve.cpp

Source (jump to first uncovered line)
/******************************************************************************
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  The OGRMultiCurve class.
 * Author:   Even Rouault <even dot rouault at spatialys dot com>
 *
 ******************************************************************************
 * Copyright (c) 2014, Even Rouault <even dot rouault at spatialys dot com>
 *
 * SPDX-License-Identifier: MIT
 ****************************************************************************/

#include "cpl_port.h"
#include "ogr_geometry.h"

#include <cstddef>

#include "cpl_error.h"
#include "ogr_api.h"
#include "ogr_core.h"
#include "ogr_p.h"

/************************************************************************/
/*                OGRMultiCurve( const OGRMultiCurve& )                 */
/************************************************************************/

/**
 * \brief Copy constructor.
 *
 * Note: before GDAL 2.1, only the default implementation of the constructor
 * existed, which could be unsafe to use.
 *
 * @since GDAL 2.1
 */

OGRMultiCurve::OGRMultiCurve(const OGRMultiCurve &) = default;

/************************************************************************/
/*                  operator=( const OGRMultiCurve&)                    */
/************************************************************************/

/**
 * \brief Assignment operator.
 *
 * Note: before GDAL 2.1, only the default implementation of the operator
 * existed, which could be unsafe to use.
 *
 * @since GDAL 2.1
 */

OGRMultiCurve &OGRMultiCurve::operator=(const OGRMultiCurve &other)
{
    if (this != &other)
    {
        OGRGeometryCollection::operator=(other);
    }
    return *this;
}

/************************************************************************/
/*                               clone()                                */
/************************************************************************/

OGRMultiCurve *OGRMultiCurve::clone() const

{
    auto ret = new (std::nothrow) OGRMultiCurve(*this);
    if (ret)
    {
        if (ret->WkbSize() != WkbSize())
        {
            delete ret;
            ret = nullptr;
        }
    }
    return ret;
}

/************************************************************************/
/*                          getGeometryType()                           */
/************************************************************************/

OGRwkbGeometryType OGRMultiCurve::getGeometryType() const

{
    if ((flags & OGR_G_3D) && (flags & OGR_G_MEASURED))
        return wkbMultiCurveZM;
    else if (flags & OGR_G_MEASURED)
        return wkbMultiCurveM;
    else if (flags & OGR_G_3D)
        return wkbMultiCurveZ;
    else
        return wkbMultiCurve;
}

/************************************************************************/
/*                            getDimension()                            */
/************************************************************************/

int OGRMultiCurve::getDimension() const

{
    return 1;
}

/************************************************************************/
/*                          getGeometryName()                           */
/************************************************************************/

const char *OGRMultiCurve::getGeometryName() const

{
    return "MULTICURVE";
}

/************************************************************************/
/*                          isCompatibleSubType()                       */
/************************************************************************/

OGRBoolean
OGRMultiCurve::isCompatibleSubType(OGRwkbGeometryType eGeomType) const
{
    return OGR_GT_IsCurve(eGeomType);
}

/*! @cond Doxygen_Suppress */
/************************************************************************/
/*                       addCurveDirectlyFromWkt()                      */
/************************************************************************/

OGRErr OGRMultiCurve::addCurveDirectlyFromWkt(OGRGeometry *poSelf,
                                              OGRCurve *poCurve)
{
    return poSelf->toMultiCurve()->addGeometryDirectly(poCurve);
}

/*! @endcond */

/************************************************************************/
/*                           importFromWkt()                            */
/*                                                                      */
/*      Instantiate from well known text format.                        */
/************************************************************************/

OGRErr OGRMultiCurve::importFromWkt(const char **ppszInput)

{
    const bool bIsMultiCurve = wkbFlatten(getGeometryType()) == wkbMultiCurve;
    return importCurveCollectionFromWkt(ppszInput,
                                        TRUE,           // bAllowEmptyComponent.
                                        bIsMultiCurve,  // bAllowLineString.
                                        bIsMultiCurve,  // bAllowCurve.
                                        bIsMultiCurve,  // bAllowCompoundCurve.
                                        addCurveDirectlyFromWkt);
}

/************************************************************************/
/*                            exportToWkt()                             */
/************************************************************************/

std::string OGRMultiCurve::exportToWkt(const OGRWktOptions &opts,
                                       OGRErr *err) const
{
    OGRWktOptions optsModified(opts);
    optsModified.variant = wkbVariantIso;
    return exportToWktInternal(optsModified, err, "LINESTRING");
}

/************************************************************************/
/*                         hasCurveGeometry()                           */
/************************************************************************/

OGRBoolean OGRMultiCurve::hasCurveGeometry(int bLookForNonLinear) const
{
    if (bLookForNonLinear)
        return OGRGeometryCollection::hasCurveGeometry(TRUE);
    return true;
}

/************************************************************************/
/*                          CastToMultiLineString()                     */
/************************************************************************/

/**
 * \brief Cast to multi line string.
 *
 * This method should only be called if the multicurve actually only contains
 * instances of OGRLineString. This can be verified if hasCurveGeometry(TRUE)
 * returns FALSE. It is not intended to approximate circular curves. For that
 * use getLinearGeometry().
 *
 * The passed in geometry is consumed and a new one returned (or NULL in case
 * of failure).
 *
 * @param poMC the input geometry - ownership is passed to the method.
 * @return new geometry.
 */

OGRMultiLineString *OGRMultiCurve::CastToMultiLineString(OGRMultiCurve *poMC)
{
    for (auto &&poSubGeom : *poMC)
    {
        poSubGeom = OGRCurve::CastToLineString(poSubGeom);
        if (poSubGeom == nullptr)
        {
            delete poMC;
            return nullptr;
        }
    }
    OGRMultiLineString *poMLS = new OGRMultiLineString();
    TransferMembersAndDestroy(poMC, poMLS);
    return poMLS;
}

Coverage Report

Created: 2025-06-13 06:18

Line	Count	Source (jump to first uncovered line)
1		/******************************************************************************
2		*
3		* Project: OpenGIS Simple Features Reference Implementation
4		* Purpose: The OGRMultiCurve class.
5		* Author: Even Rouault <even dot rouault at spatialys dot com>
6		*
7		******************************************************************************
8		* Copyright (c) 2014, Even Rouault <even dot rouault at spatialys dot com>
9		*
10		* SPDX-License-Identifier: MIT
11		****************************************************************************/
12
13		#include "cpl_port.h"
14		#include "ogr_geometry.h"
15
16		#include <cstddef>
17
18		#include "cpl_error.h"
19		#include "ogr_api.h"
20		#include "ogr_core.h"
21		#include "ogr_p.h"
22
23		/************************************************************************/
24		/* OGRMultiCurve( const OGRMultiCurve& ) */
25		/************************************************************************/
26
27		/**
28		* \brief Copy constructor.
29		*
30		* Note: before GDAL 2.1, only the default implementation of the constructor
31		* existed, which could be unsafe to use.
32		*
33		* @since GDAL 2.1
34		*/
35
36	0	OGRMultiCurve::OGRMultiCurve(const OGRMultiCurve &) = default;
37
38		/************************************************************************/
39		/* operator=( const OGRMultiCurve&) */
40		/************************************************************************/
41
42		/**
43		* \brief Assignment operator.
44		*
45		* Note: before GDAL 2.1, only the default implementation of the operator
46		* existed, which could be unsafe to use.
47		*
48		* @since GDAL 2.1
49		*/
50
51		OGRMultiCurve &OGRMultiCurve::operator=(const OGRMultiCurve &other)
52	0	{
53	0	if (this != &other)
54	0	{
55	0	OGRGeometryCollection::operator=(other);
56	0	}
57	0	return *this;
58	0	}
59
60		/************************************************************************/
61		/* clone() */
62		/************************************************************************/
63
64		OGRMultiCurve *OGRMultiCurve::clone() const
65
66	0	{
67	0	auto ret = new (std::nothrow) OGRMultiCurve(*this);
68	0	if (ret)
69	0	{
70	0	if (ret->WkbSize() != WkbSize())
71	0	{
72	0	delete ret;
73	0	ret = nullptr;
74	0	}
75	0	}
76	0	return ret;
77	0	}
78
79		/************************************************************************/
80		/* getGeometryType() */
81		/************************************************************************/
82
83		OGRwkbGeometryType OGRMultiCurve::getGeometryType() const
84
85	0	{
86	0	if ((flags & OGR_G_3D) && (flags & OGR_G_MEASURED))
87	0	return wkbMultiCurveZM;
88	0	else if (flags & OGR_G_MEASURED)
89	0	return wkbMultiCurveM;
90	0	else if (flags & OGR_G_3D)
91	0	return wkbMultiCurveZ;
92	0	else
93	0	return wkbMultiCurve;
94	0	}
95
96		/************************************************************************/
97		/* getDimension() */
98		/************************************************************************/
99
100		int OGRMultiCurve::getDimension() const
101
102	0	{
103	0	return 1;
104	0	}
105
106		/************************************************************************/
107		/* getGeometryName() */
108		/************************************************************************/
109
110		const char *OGRMultiCurve::getGeometryName() const
111
112	0	{
113	0	return "MULTICURVE";
114	0	}
115
116		/************************************************************************/
117		/* isCompatibleSubType() */
118		/************************************************************************/
119
120		OGRBoolean
121		OGRMultiCurve::isCompatibleSubType(OGRwkbGeometryType eGeomType) const
122	0	{
123	0	return OGR_GT_IsCurve(eGeomType);
124	0	}
125
126		/! @cond Doxygen_Suppress /
127		/************************************************************************/
128		/* addCurveDirectlyFromWkt() */
129		/************************************************************************/
130
131		OGRErr OGRMultiCurve::addCurveDirectlyFromWkt(OGRGeometry *poSelf,
132		OGRCurve *poCurve)
133	0	{
134	0	return poSelf->toMultiCurve()->addGeometryDirectly(poCurve);
135	0	}
136
137		/! @endcond /
138
139		/************************************************************************/
140		/* importFromWkt() */
141		/* */
142		/* Instantiate from well known text format. */
143		/************************************************************************/
144
145		OGRErr OGRMultiCurve::importFromWkt(const char **ppszInput)
146
147	0	{
148	0	const bool bIsMultiCurve = wkbFlatten(getGeometryType()) == wkbMultiCurve;
149	0	return importCurveCollectionFromWkt(ppszInput,
150	0	TRUE, // bAllowEmptyComponent.
151	0	bIsMultiCurve, // bAllowLineString.
152	0	bIsMultiCurve, // bAllowCurve.
153	0	bIsMultiCurve, // bAllowCompoundCurve.
154	0	addCurveDirectlyFromWkt);
155	0	}
156
157		/************************************************************************/
158		/* exportToWkt() */
159		/************************************************************************/
160
161		std::string OGRMultiCurve::exportToWkt(const OGRWktOptions &opts,
162		OGRErr *err) const
163	0	{
164	0	OGRWktOptions optsModified(opts);
165	0	optsModified.variant = wkbVariantIso;
166	0	return exportToWktInternal(optsModified, err, "LINESTRING");
167	0	}
168
169		/************************************************************************/
170		/* hasCurveGeometry() */
171		/************************************************************************/
172
173		OGRBoolean OGRMultiCurve::hasCurveGeometry(int bLookForNonLinear) const
174	0	{
175	0	if (bLookForNonLinear)
176	0	return OGRGeometryCollection::hasCurveGeometry(TRUE);
177	0	return true;
178	0	}
179
180		/************************************************************************/
181		/* CastToMultiLineString() */
182		/************************************************************************/
183
184		/**
185		* \brief Cast to multi line string.
186		*
187		* This method should only be called if the multicurve actually only contains
188		* instances of OGRLineString. This can be verified if hasCurveGeometry(TRUE)
189		* returns FALSE. It is not intended to approximate circular curves. For that
190		* use getLinearGeometry().
191		*
192		* The passed in geometry is consumed and a new one returned (or NULL in case
193		* of failure).
194		*
195		* @param poMC the input geometry - ownership is passed to the method.
196		* @return new geometry.
197		*/
198
199		OGRMultiLineString OGRMultiCurve::CastToMultiLineString(OGRMultiCurve poMC)
200	0	{
201	0	for (auto &&poSubGeom : *poMC)
202	0	{
203	0	poSubGeom = OGRCurve::CastToLineString(poSubGeom);
204	0	if (poSubGeom == nullptr)
205	0	{
206	0	delete poMC;
207	0	return nullptr;
208	0	}
209	0	}
210	0	OGRMultiLineString *poMLS = new OGRMultiLineString();
211	0	TransferMembersAndDestroy(poMC, poMLS);
212	0	return poMLS;
213	0	}