QGIS API Documentation 3.36.0-Maidenhead (09951dc0acf)
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qgsarcgisrestutils.cpp
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1/***************************************************************************
2 qgsarcgisrestutils.cpp
3 ----------------------
4 begin : Nov 25, 2015
5 copyright : (C) 2015 by Sandro Mani
6 email : [email protected]
7***************************************************************************
8* *
9* This program is free software; you can redistribute it and/or modify *
10* it under the terms of the GNU General Public License as published by *
11* the Free Software Foundation; either version 2 of the License, or *
12* (at your option) any later version. *
13* *
14***************************************************************************/
15
16#include "qgsarcgisrestutils.h"
17#include "qgsfields.h"
18#include "qgslogger.h"
19#include "qgsrectangle.h"
20#include "qgspallabeling.h"
21#include "qgssymbol.h"
22#include "qgssymbollayer.h"
23#include "qgslinesymbollayer.h"
24#include "qgsfillsymbollayer.h"
25#include "qgsrenderer.h"
26#include "qgsrulebasedlabeling.h"
27#include "qgssinglesymbolrenderer.h"
28#include "qgscategorizedsymbolrenderer.h"
29#include "qgsvectorlayerlabeling.h"
30#include "qgscircularstring.h"
31#include "qgsmulticurve.h"
32#include "qgspolygon.h"
33#include "qgslinestring.h"
34#include "qgscurve.h"
35#include "qgsgeometryengine.h"
36#include "qgsmultisurface.h"
37#include "qgsmultilinestring.h"
38#include "qgsmultipolygon.h"
39#include "qgsmultipoint.h"
40#include "qgsmarkersymbol.h"
41#include "qgslinesymbol.h"
42#include "qgsfillsymbol.h"
43#include "qgsvariantutils.h"
44#include "qgsmarkersymbollayer.h"
45
46#include <QRegularExpression>
47#include <QUrl>
48
49QVariant::Type QgsArcGisRestUtils::convertFieldType( const QString &esriFieldType )
50{
51 if ( esriFieldType == QLatin1String( "esriFieldTypeInteger" ) )
52 return QVariant::LongLong;
53 if ( esriFieldType == QLatin1String( "esriFieldTypeSmallInteger" ) )
54 return QVariant::Int;
55 if ( esriFieldType == QLatin1String( "esriFieldTypeDouble" ) )
56 return QVariant::Double;
57 if ( esriFieldType == QLatin1String( "esriFieldTypeSingle" ) )
58 return QVariant::Double;
59 if ( esriFieldType == QLatin1String( "esriFieldTypeString" ) )
60 return QVariant::String;
61 if ( esriFieldType == QLatin1String( "esriFieldTypeDate" ) )
62 return QVariant::DateTime;
63 if ( esriFieldType == QLatin1String( "esriFieldTypeGeometry" ) )
64 return QVariant::Invalid; // Geometry column should not appear as field
65 if ( esriFieldType == QLatin1String( "esriFieldTypeOID" ) )
66 return QVariant::LongLong;
67 if ( esriFieldType == QLatin1String( "esriFieldTypeBlob" ) )
68 return QVariant::ByteArray;
69 if ( esriFieldType == QLatin1String( "esriFieldTypeGlobalID" ) )
70 return QVariant::String;
71 if ( esriFieldType == QLatin1String( "esriFieldTypeRaster" ) )
72 return QVariant::ByteArray;
73 if ( esriFieldType == QLatin1String( "esriFieldTypeGUID" ) )
74 return QVariant::String;
75 if ( esriFieldType == QLatin1String( "esriFieldTypeXML" ) )
76 return QVariant::String;
77 return QVariant::Invalid;
78}
79
80Qgis::WkbType QgsArcGisRestUtils::convertGeometryType( const QString &esriGeometryType )
81{
82 // http://resources.arcgis.com/en/help/arcobjects-cpp/componenthelp/index.html#//000w0000001p000000
83 if ( esriGeometryType == QLatin1String( "esriGeometryNull" ) )
84 return Qgis::WkbType::Unknown;
85 else if ( esriGeometryType == QLatin1String( "esriGeometryPoint" ) )
86 return Qgis::WkbType::Point;
87 else if ( esriGeometryType == QLatin1String( "esriGeometryMultipoint" ) )
88 return Qgis::WkbType::MultiPoint;
89 else if ( esriGeometryType == QLatin1String( "esriGeometryPolyline" ) )
90 return Qgis::WkbType::MultiCurve;
91 else if ( esriGeometryType == QLatin1String( "esriGeometryPolygon" ) )
92 return Qgis::WkbType::MultiPolygon;
93 else if ( esriGeometryType == QLatin1String( "esriGeometryEnvelope" ) )
94 return Qgis::WkbType::Polygon;
95 // Unsupported (either by qgis, or format unspecified by the specification)
96 // esriGeometryCircularArc
97 // esriGeometryEllipticArc
98 // esriGeometryBezier3Curve
99 // esriGeometryPath
100 // esriGeometryRing
101 // esriGeometryLine
102 // esriGeometryAny
103 // esriGeometryMultiPatch
104 // esriGeometryTriangleStrip
105 // esriGeometryTriangleFan
106 // esriGeometryRay
107 // esriGeometrySphere
108 // esriGeometryTriangles
109 // esriGeometryBag
110 return Qgis::WkbType::Unknown;
111}
112
113std::unique_ptr< QgsPoint > QgsArcGisRestUtils::convertPoint( const QVariantList &coordList, Qgis::WkbType pointType )
114{
115 int nCoords = coordList.size();
116 if ( nCoords < 2 )
117 return nullptr;
118 bool xok = false, yok = false;
119 const double x = coordList[0].toDouble( &xok );
120 const double y = coordList[1].toDouble( &yok );
121 if ( !xok || !yok )
122 return nullptr;
123 const bool hasZ = QgsWkbTypes::hasZ( pointType );
124 const double z = hasZ && nCoords >= 3 ? coordList[2].toDouble() : std::numeric_limits< double >::quiet_NaN();
125
126 // if point has just M but not Z, then the point dimension list will only have X, Y, M, otherwise it will have X, Y, Z, M
127 const double m = QgsWkbTypes::hasM( pointType ) && ( ( hasZ && nCoords >= 4 ) || ( !hasZ && nCoords >= 3 ) ) ? coordList[ hasZ ? 3 : 2].toDouble() : std::numeric_limits< double >::quiet_NaN();
128 return std::make_unique< QgsPoint >( pointType, x, y, z, m );
129}
130
131std::unique_ptr< QgsCircularString > QgsArcGisRestUtils::convertCircularString( const QVariantMap &curveData, Qgis::WkbType pointType, const QgsPoint &startPoint )
132{
133 const QVariantList coordsList = curveData[QStringLiteral( "c" )].toList();
134 if ( coordsList.isEmpty() )
135 return nullptr;
136 const int coordsListSize = coordsList.size();
137
138 QVector<QgsPoint> points;
139 points.reserve( coordsListSize + 1 );
140 points.append( startPoint );
141
142 for ( int i = 0; i < coordsListSize - 1; )
143 {
144 // first point is end point, second is point on curve
145 // i.e. the opposite to what QGIS requires!
146 std::unique_ptr< QgsPoint > endPoint( convertPoint( coordsList.at( i ).toList(), pointType ) );
147 if ( !endPoint )
148 return nullptr;
149 i++;
150 std::unique_ptr< QgsPoint > interiorPoint( convertPoint( coordsList.at( i ).toList(), pointType ) );
151 if ( !interiorPoint )
152 return nullptr;
153 i++;
154 points << *interiorPoint;
155 points << *endPoint;
156 }
157 std::unique_ptr< QgsCircularString > curve = std::make_unique< QgsCircularString> ();
158 curve->setPoints( points );
159 return curve;
160}
161
162std::unique_ptr< QgsCompoundCurve > QgsArcGisRestUtils::convertCompoundCurve( const QVariantList &curvesList, Qgis::WkbType pointType )
163{
164 // [[6,3],[5,3],{"b":[[3,2],[6,1],[2,4]]},[1,2],{"c": [[3,3],[1,4]]}]
165 std::unique_ptr< QgsCompoundCurve > compoundCurve = std::make_unique< QgsCompoundCurve >();
166
167 QVector< double > lineX;
168 QVector< double > lineY;
169 QVector< double > lineZ;
170 QVector< double > lineM;
171 int maxCurveListSize = curvesList.size();
172 lineX.resize( maxCurveListSize );
173 lineY.resize( maxCurveListSize );
174
175 const bool hasZ = QgsWkbTypes::hasZ( pointType );
176 if ( hasZ )
177 lineZ.resize( maxCurveListSize );
178 const bool hasM = QgsWkbTypes::hasM( pointType );
179 if ( hasM )
180 lineM.resize( maxCurveListSize );
181
182 double *outLineX = lineX.data();
183 double *outLineY = lineY.data();
184 double *outLineZ = lineZ.data();
185 double *outLineM = lineM.data();
186 int actualLineSize = 0;
187
188 bool xok = false;
189 bool yok = false;
190
191 int curveListIndex = 0;
192 for ( const QVariant &curveData : curvesList )
193 {
194 if ( curveData.type() == QVariant::List )
195 {
196 const QVariantList coordList = curveData.toList();
197 const int nCoords = coordList.size();
198 if ( nCoords < 2 )
199 return nullptr;
200
201 const double x = coordList[0].toDouble( &xok );
202 const double y = coordList[1].toDouble( &yok );
203 if ( !xok || !yok )
204 return nullptr;
205
206 actualLineSize++;
207 *outLineX++ = x;
208 *outLineY++ = y;
209 if ( hasZ )
210 {
211 *outLineZ++ = nCoords >= 3 ? coordList[2].toDouble() : std::numeric_limits< double >::quiet_NaN();
212 }
213
214 if ( hasM )
215 {
216 // if point has just M but not Z, then the point dimension list will only have X, Y, M, otherwise it will have X, Y, Z, M
217 *outLineM++ = ( ( hasZ && nCoords >= 4 ) || ( !hasZ && nCoords >= 3 ) ) ? coordList[ hasZ ? 3 : 2].toDouble() : std::numeric_limits< double >::quiet_NaN();
218 }
219 }
220 else if ( curveData.type() == QVariant::Map )
221 {
222 // The last point of the linestring is the start point of this circular string
223 QgsPoint lastLineStringPoint;
224 if ( actualLineSize > 0 )
225 {
226 lastLineStringPoint = QgsPoint( lineX.at( actualLineSize - 1 ),
227 lineY.at( actualLineSize - 1 ),
228 hasZ ? lineZ.at( actualLineSize - 1 ) : std::numeric_limits< double >::quiet_NaN(),
229 hasM ? lineM.at( actualLineSize - 1 ) : std::numeric_limits< double >::quiet_NaN() );
230 }
231 std::unique_ptr< QgsCircularString > circularString( convertCircularString( curveData.toMap(), pointType, lastLineStringPoint ) );
232 if ( !circularString )
233 {
234 return nullptr;
235 }
236
237 if ( actualLineSize > 0 )
238 {
239 lineX.resize( actualLineSize );
240 lineY.resize( actualLineSize );
241 if ( hasZ )
242 lineZ.resize( actualLineSize );
243 if ( hasM )
244 lineM.resize( actualLineSize );
245
246 compoundCurve->addCurve( new QgsLineString( lineX, lineY, lineZ, lineM ) );
247 lineX.resize( maxCurveListSize - curveListIndex );
248 lineY.resize( maxCurveListSize - curveListIndex );
249 if ( hasZ )
250 lineZ.resize( maxCurveListSize - curveListIndex );
251 if ( hasM )
252 lineM.resize( maxCurveListSize - curveListIndex );
253 outLineX = lineX.data();
254 outLineY = lineY.data();
255 outLineZ = lineZ.data();
256 outLineM = lineM.data();
257 }
258
259 // If the previous curve had less than two points, remove it
260 if ( compoundCurve->curveAt( compoundCurve->nCurves() - 1 )->nCoordinates() < 2 )
261 compoundCurve->removeCurve( compoundCurve->nCurves() - 1 );
262
263 const QgsPoint endPointCircularString = circularString->endPoint();
264 compoundCurve->addCurve( circularString.release() );
265
266 // Prepare a new line string
267 actualLineSize = 1;
268 *outLineX++ = endPointCircularString.x();
269 *outLineY++ = endPointCircularString.y();
270 if ( hasZ )
271 *outLineZ++ = endPointCircularString.z();
272 if ( hasM )
273 *outLineM++ = endPointCircularString.m();
274 }
275 curveListIndex++;
276 }
277
278 if ( actualLineSize == 1 && compoundCurve->nCurves() > 0 )
279 {
280 const QgsCurve *finalCurve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
281 const QgsPoint finalCurveEndPoint = finalCurve->endPoint();
282 if ( qgsDoubleNear( finalCurveEndPoint.x(), lineX.at( 0 ) )
283 && qgsDoubleNear( finalCurveEndPoint.y(), lineY.at( 0 ) )
284 && ( !hasZ || qgsDoubleNear( finalCurveEndPoint.z(), lineZ.at( 0 ) ) )
285 && ( !hasM || qgsDoubleNear( finalCurveEndPoint.m(), lineM.at( 0 ) ) ) )
286 {
287 actualLineSize = 0; // redundant final curve containing a duplicate vertex
288 }
289 }
290
291 if ( actualLineSize > 0 )
292 {
293 lineX.resize( actualLineSize );
294 lineY.resize( actualLineSize );
295 if ( hasZ )
296 lineZ.resize( actualLineSize );
297 if ( hasM )
298 lineM.resize( actualLineSize );
299 compoundCurve->addCurve( new QgsLineString( lineX, lineY, lineZ, lineM ) );
300 }
301
302 return compoundCurve;
303}
304
305std::unique_ptr< QgsPoint > QgsArcGisRestUtils::convertGeometryPoint( const QVariantMap &geometryData, Qgis::WkbType pointType )
306{
307 // {"x" : <x>, "y" : <y>, "z" : <z>, "m" : <m>}
308 bool xok = false, yok = false;
309 double x = geometryData[QStringLiteral( "x" )].toDouble( &xok );
310 double y = geometryData[QStringLiteral( "y" )].toDouble( &yok );
311 if ( !xok || !yok )
312 return nullptr;
313 double z = geometryData[QStringLiteral( "z" )].toDouble();
314 double m = geometryData[QStringLiteral( "m" )].toDouble();
315 return std::make_unique< QgsPoint >( pointType, x, y, z, m );
316}
317
318std::unique_ptr< QgsMultiPoint > QgsArcGisRestUtils::convertMultiPoint( const QVariantMap &geometryData, Qgis::WkbType pointType )
319{
320 // {"points" : [[ <x1>, <y1>, <z1>, <m1> ] , [ <x2>, <y2>, <z2>, <m2> ], ... ]}
321 const QVariantList coordsList = geometryData[QStringLiteral( "points" )].toList();
322
323 std::unique_ptr< QgsMultiPoint > multiPoint = std::make_unique< QgsMultiPoint >();
324 multiPoint->reserve( coordsList.size() );
325 for ( const QVariant &coordData : coordsList )
326 {
327 const QVariantList coordList = coordData.toList();
328 std::unique_ptr< QgsPoint > p = convertPoint( coordList, pointType );
329 if ( !p )
330 {
331 continue;
332 }
333 multiPoint->addGeometry( p.release() );
334 }
335
336 // second chance -- sometimes layers are reported as multipoint but features have single
337 // point geometries. Silently handle this and upgrade to multipoint.
338 std::unique_ptr< QgsPoint > p = convertGeometryPoint( geometryData, pointType );
339 if ( p )
340 multiPoint->addGeometry( p.release() );
341
342 if ( multiPoint->numGeometries() == 0 )
343 {
344 // didn't find any points, so reset geometry to null
345 multiPoint.reset();
346 }
347 return multiPoint;
348}
349
350std::unique_ptr< QgsMultiCurve > QgsArcGisRestUtils::convertGeometryPolyline( const QVariantMap &geometryData, Qgis::WkbType pointType )
351{
352 // {"curvePaths": [[[0,0], {"c": [[3,3],[1,4]]} ]]}
353 QVariantList pathsList;
354 if ( geometryData[QStringLiteral( "paths" )].isValid() )
355 pathsList = geometryData[QStringLiteral( "paths" )].toList();
356 else if ( geometryData[QStringLiteral( "curvePaths" )].isValid() )
357 pathsList = geometryData[QStringLiteral( "curvePaths" )].toList();
358 if ( pathsList.isEmpty() )
359 return nullptr;
360 std::unique_ptr< QgsMultiCurve > multiCurve = std::make_unique< QgsMultiCurve >();
361 multiCurve->reserve( pathsList.size() );
362 for ( const QVariant &pathData : std::as_const( pathsList ) )
363 {
364 std::unique_ptr< QgsCompoundCurve > curve = convertCompoundCurve( pathData.toList(), pointType );
365 if ( !curve )
366 {
367 return nullptr;
368 }
369 multiCurve->addGeometry( curve.release() );
370 }
371 return multiCurve;
372}
373
374std::unique_ptr< QgsMultiSurface > QgsArcGisRestUtils::convertGeometryPolygon( const QVariantMap &geometryData, Qgis::WkbType pointType )
375{
376 // {"curveRings": [[[0,0], {"c": [[3,3],[1,4]]} ]]}
377 QVariantList ringsList;
378 if ( geometryData[QStringLiteral( "rings" )].isValid() )
379 ringsList = geometryData[QStringLiteral( "rings" )].toList();
380 else if ( geometryData[QStringLiteral( "ringPaths" )].isValid() )
381 ringsList = geometryData[QStringLiteral( "ringPaths" )].toList();
382 if ( ringsList.isEmpty() )
383 return nullptr;
384
385 QList< QgsCompoundCurve * > curves;
386 for ( int i = 0, n = ringsList.size(); i < n; ++i )
387 {
388 std::unique_ptr< QgsCompoundCurve > curve = convertCompoundCurve( ringsList[i].toList(), pointType );
389 if ( !curve )
390 {
391 continue;
392 }
393 curves.append( curve.release() );
394 }
395 if ( curves.count() == 0 )
396 return nullptr;
397
398 std::unique_ptr< QgsMultiSurface > result = std::make_unique< QgsMultiSurface >();
399 if ( curves.count() == 1 )
400 {
401 // shortcut for exterior ring only
402 std::unique_ptr< QgsCurvePolygon > newPolygon = std::make_unique< QgsCurvePolygon >();
403 newPolygon->setExteriorRing( curves.takeAt( 0 ) );
404 result->addGeometry( newPolygon.release() );
405 return result;
406 }
407
408 std::sort( curves.begin(), curves.end(), []( const QgsCompoundCurve * a, const QgsCompoundCurve * b )->bool{ double a_area = 0.0; double b_area = 0.0; a->sumUpArea( a_area ); b->sumUpArea( b_area ); return std::abs( a_area ) > std::abs( b_area ); } );
409 result->reserve( curves.size() );
410 while ( !curves.isEmpty() )
411 {
412 QgsCompoundCurve *exterior = curves.takeFirst();
413 QgsCurvePolygon *newPolygon = new QgsCurvePolygon();
414 newPolygon->setExteriorRing( exterior );
415 std::unique_ptr<QgsGeometryEngine> engine( QgsGeometry::createGeometryEngine( newPolygon ) );
416 engine->prepareGeometry();
417
418 QMutableListIterator< QgsCompoundCurve * > it( curves );
419 while ( it.hasNext() )
420 {
421 QgsCompoundCurve *curve = it.next();
422 QgsRectangle boundingBox = newPolygon->boundingBox();
423 if ( boundingBox.intersects( curve->boundingBox() ) )
424 {
425 QgsPoint point = curve->startPoint();
426 if ( engine->contains( &point ) )
427 {
428 newPolygon->addInteriorRing( curve );
429 it.remove();
430 engine.reset( QgsGeometry::createGeometryEngine( newPolygon ) );
431 engine->prepareGeometry();
432 }
433 }
434 }
435 result->addGeometry( newPolygon );
436 }
437 if ( result->numGeometries() == 0 )
438 return nullptr;
439
440 return result;
441}
442
443std::unique_ptr< QgsPolygon > QgsArcGisRestUtils::convertEnvelope( const QVariantMap &geometryData )
444{
445 // {"xmin" : -109.55, "ymin" : 25.76, "xmax" : -86.39, "ymax" : 49.94}
446 bool xminOk = false, yminOk = false, xmaxOk = false, ymaxOk = false;
447 double xmin = geometryData[QStringLiteral( "xmin" )].toDouble( &xminOk );
448 double ymin = geometryData[QStringLiteral( "ymin" )].toDouble( &yminOk );
449 double xmax = geometryData[QStringLiteral( "xmax" )].toDouble( &xmaxOk );
450 double ymax = geometryData[QStringLiteral( "ymax" )].toDouble( &ymaxOk );
451 if ( !xminOk || !yminOk || !xmaxOk || !ymaxOk )
452 return nullptr;
453 std::unique_ptr< QgsLineString > ext = std::make_unique< QgsLineString> ();
454 ext->addVertex( QgsPoint( xmin, ymin ) );
455 ext->addVertex( QgsPoint( xmax, ymin ) );
456 ext->addVertex( QgsPoint( xmax, ymax ) );
457 ext->addVertex( QgsPoint( xmin, ymax ) );
458 ext->addVertex( QgsPoint( xmin, ymin ) );
459 std::unique_ptr< QgsPolygon > poly = std::make_unique< QgsPolygon >();
460 poly->setExteriorRing( ext.release() );
461 return poly;
462}
463
464QgsAbstractGeometry *QgsArcGisRestUtils::convertGeometry( const QVariantMap &geometryData, const QString &esriGeometryType, bool readM, bool readZ, QgsCoordinateReferenceSystem *crs )
465{
466 Qgis::WkbType pointType = QgsWkbTypes::zmType( Qgis::WkbType::Point, readZ, readM );
467 if ( crs )
468 {
469 *crs = convertSpatialReference( geometryData[QStringLiteral( "spatialReference" )].toMap() );
470 }
471
472 // http://resources.arcgis.com/en/help/arcgis-rest-api/index.html#/Geometry_Objects/02r3000000n1000000/
473 if ( esriGeometryType == QLatin1String( "esriGeometryNull" ) )
474 return nullptr;
475 else if ( esriGeometryType == QLatin1String( "esriGeometryPoint" ) )
476 return convertGeometryPoint( geometryData, pointType ).release();
477 else if ( esriGeometryType == QLatin1String( "esriGeometryMultipoint" ) )
478 return convertMultiPoint( geometryData, pointType ).release();
479 else if ( esriGeometryType == QLatin1String( "esriGeometryPolyline" ) )
480 return convertGeometryPolyline( geometryData, pointType ).release();
481 else if ( esriGeometryType == QLatin1String( "esriGeometryPolygon" ) )
482 return convertGeometryPolygon( geometryData, pointType ).release();
483 else if ( esriGeometryType == QLatin1String( "esriGeometryEnvelope" ) )
484 return convertEnvelope( geometryData ).release();
485 // Unsupported (either by qgis, or format unspecified by the specification)
486 // esriGeometryCircularArc
487 // esriGeometryEllipticArc
488 // esriGeometryBezier3Curve
489 // esriGeometryPath
490 // esriGeometryRing
491 // esriGeometryLine
492 // esriGeometryAny
493 // esriGeometryMultiPatch
494 // esriGeometryTriangleStrip
495 // esriGeometryTriangleFan
496 // esriGeometryRay
497 // esriGeometrySphere
498 // esriGeometryTriangles
499 // esriGeometryBag
500 return nullptr;
501}
502
503QgsCoordinateReferenceSystem QgsArcGisRestUtils::convertSpatialReference( const QVariantMap &spatialReferenceMap )
504{
505 QgsCoordinateReferenceSystem crs;
506
507 QString spatialReference = spatialReferenceMap[QStringLiteral( "latestWkid" )].toString();
508 if ( spatialReference.isEmpty() )
509 spatialReference = spatialReferenceMap[QStringLiteral( "wkid" )].toString();
510
511 // prefer using authority/id wherever we can
512 if ( !spatialReference.isEmpty() )
513 {
514 crs.createFromString( QStringLiteral( "EPSG:%1" ).arg( spatialReference ) );
515 if ( !crs.isValid() )
516 {
517 // Try as an ESRI auth
518 crs.createFromString( QStringLiteral( "ESRI:%1" ).arg( spatialReference ) );
519 }
520 }
521 else if ( !spatialReferenceMap[QStringLiteral( "wkt" )].toString().isEmpty() )
522 {
523 // otherwise fallback to WKT
524 crs.createFromWkt( spatialReferenceMap[QStringLiteral( "wkt" )].toString() );
525 }
526
527 if ( !crs.isValid() )
528 {
529 // If no spatial reference, just use WGS84
530 // TODO -- this needs further investigation! Most ESRI server services default to 3857, so that would likely be
531 // a safer fallback to use...
532 crs.createFromString( QStringLiteral( "EPSG:4326" ) );
533 }
534 return crs;
535}
536
537QgsSymbol *QgsArcGisRestUtils::convertSymbol( const QVariantMap &symbolData )
538{
539 const QString type = symbolData.value( QStringLiteral( "type" ) ).toString();
540 if ( type == QLatin1String( "esriSMS" ) )
541 {
542 // marker symbol
543 return parseEsriMarkerSymbolJson( symbolData ).release();
544 }
545 else if ( type == QLatin1String( "esriSLS" ) )
546 {
547 // line symbol
548 return parseEsriLineSymbolJson( symbolData ).release();
549 }
550 else if ( type == QLatin1String( "esriSFS" ) )
551 {
552 // fill symbol
553 return parseEsriFillSymbolJson( symbolData ).release();
554 }
555 else if ( type == QLatin1String( "esriPFS" ) )
556 {
557 return parseEsriPictureFillSymbolJson( symbolData ).release();
558 }
559 else if ( type == QLatin1String( "esriPMS" ) )
560 {
561 // picture marker
562 return parseEsriPictureMarkerSymbolJson( symbolData ).release();
563 }
564 else if ( type == QLatin1String( "esriTS" ) )
565 {
566 // text symbol - not supported
567 return nullptr;
568 }
569 return nullptr;
570}
571
572std::unique_ptr<QgsLineSymbol> QgsArcGisRestUtils::parseEsriLineSymbolJson( const QVariantMap &symbolData )
573{
574 QColor lineColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
575 if ( !lineColor.isValid() )
576 return nullptr;
577
578 bool ok = false;
579 double widthInPoints = symbolData.value( QStringLiteral( "width" ) ).toDouble( &ok );
580 if ( !ok )
581 return nullptr;
582
583 QgsSymbolLayerList layers;
584 Qt::PenStyle penStyle = convertLineStyle( symbolData.value( QStringLiteral( "style" ) ).toString() );
585 std::unique_ptr< QgsSimpleLineSymbolLayer > lineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( lineColor, widthInPoints, penStyle );
586 lineLayer->setWidthUnit( Qgis::RenderUnit::Points );
587 layers.append( lineLayer.release() );
588
589 std::unique_ptr< QgsLineSymbol > symbol = std::make_unique< QgsLineSymbol >( layers );
590 return symbol;
591}
592
593std::unique_ptr<QgsFillSymbol> QgsArcGisRestUtils::parseEsriFillSymbolJson( const QVariantMap &symbolData )
594{
595 QColor fillColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
596 Qt::BrushStyle brushStyle = convertFillStyle( symbolData.value( QStringLiteral( "style" ) ).toString() );
597
598 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
599 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
600 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
601 bool ok = false;
602 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
603
604 QgsSymbolLayerList layers;
605 std::unique_ptr< QgsSimpleFillSymbolLayer > fillLayer = std::make_unique< QgsSimpleFillSymbolLayer >( fillColor, brushStyle, lineColor, penStyle, penWidthInPoints );
606 fillLayer->setStrokeWidthUnit( Qgis::RenderUnit::Points );
607 layers.append( fillLayer.release() );
608
609 std::unique_ptr< QgsFillSymbol > symbol = std::make_unique< QgsFillSymbol >( layers );
610 return symbol;
611}
612
613std::unique_ptr<QgsFillSymbol> QgsArcGisRestUtils::parseEsriPictureFillSymbolJson( const QVariantMap &symbolData )
614{
615 bool ok = false;
616
617 double widthInPixels = symbolData.value( QStringLiteral( "width" ) ).toInt( &ok );
618 if ( !ok )
619 return nullptr;
620
621 const double xScale = symbolData.value( QStringLiteral( "xscale" ) ).toDouble( &ok );
622 if ( !qgsDoubleNear( xScale, 0.0 ) )
623 widthInPixels *= xScale;
624
625 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
626 double angleCW = 0;
627 if ( ok )
628 angleCW = -angleCCW;
629
630 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
631 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
632
633 QString symbolPath( symbolData.value( QStringLiteral( "imageData" ) ).toString() );
634 symbolPath.prepend( QLatin1String( "base64:" ) );
635
636 QgsSymbolLayerList layers;
637 std::unique_ptr< QgsRasterFillSymbolLayer > fillLayer = std::make_unique< QgsRasterFillSymbolLayer >( symbolPath );
638 fillLayer->setWidth( widthInPixels );
639 fillLayer->setAngle( angleCW );
640 fillLayer->setSizeUnit( Qgis::RenderUnit::Points );
641 fillLayer->setOffset( QPointF( xOffset, yOffset ) );
642 fillLayer->setOffsetUnit( Qgis::RenderUnit::Points );
643 layers.append( fillLayer.release() );
644
645 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
646 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
647 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
648 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
649
650 std::unique_ptr< QgsSimpleLineSymbolLayer > lineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( lineColor, penWidthInPoints, penStyle );
651 lineLayer->setWidthUnit( Qgis::RenderUnit::Points );
652 layers.append( lineLayer.release() );
653
654 std::unique_ptr< QgsFillSymbol > symbol = std::make_unique< QgsFillSymbol >( layers );
655 return symbol;
656}
657
658Qgis::MarkerShape QgsArcGisRestUtils::parseEsriMarkerShape( const QString &style )
659{
660 if ( style == QLatin1String( "esriSMSCircle" ) )
661 return Qgis::MarkerShape::Circle;
662 else if ( style == QLatin1String( "esriSMSCross" ) )
663 return Qgis::MarkerShape::Cross;
664 else if ( style == QLatin1String( "esriSMSDiamond" ) )
665 return Qgis::MarkerShape::Diamond;
666 else if ( style == QLatin1String( "esriSMSSquare" ) )
667 return Qgis::MarkerShape::Square;
668 else if ( style == QLatin1String( "esriSMSX" ) )
669 return Qgis::MarkerShape::Cross2;
670 else if ( style == QLatin1String( "esriSMSTriangle" ) )
671 return Qgis::MarkerShape::Triangle;
672 else
673 return Qgis::MarkerShape::Circle;
674}
675
676std::unique_ptr<QgsMarkerSymbol> QgsArcGisRestUtils::parseEsriMarkerSymbolJson( const QVariantMap &symbolData )
677{
678 QColor fillColor = convertColor( symbolData.value( QStringLiteral( "color" ) ) );
679 bool ok = false;
680 const double sizeInPoints = symbolData.value( QStringLiteral( "size" ) ).toDouble( &ok );
681 if ( !ok )
682 return nullptr;
683 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
684 double angleCW = 0;
685 if ( ok )
686 angleCW = -angleCCW;
687
688 Qgis::MarkerShape shape = parseEsriMarkerShape( symbolData.value( QStringLiteral( "style" ) ).toString() );
689
690 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
691 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
692
693 const QVariantMap outlineData = symbolData.value( QStringLiteral( "outline" ) ).toMap();
694 QColor lineColor = convertColor( outlineData.value( QStringLiteral( "color" ) ) );
695 Qt::PenStyle penStyle = convertLineStyle( outlineData.value( QStringLiteral( "style" ) ).toString() );
696 double penWidthInPoints = outlineData.value( QStringLiteral( "width" ) ).toDouble( &ok );
697
698 QgsSymbolLayerList layers;
699 std::unique_ptr< QgsSimpleMarkerSymbolLayer > markerLayer = std::make_unique< QgsSimpleMarkerSymbolLayer >( shape, sizeInPoints, angleCW, Qgis::ScaleMethod::ScaleArea, fillColor, lineColor );
700 markerLayer->setSizeUnit( Qgis::RenderUnit::Points );
701 markerLayer->setStrokeWidthUnit( Qgis::RenderUnit::Points );
702 markerLayer->setStrokeStyle( penStyle );
703 markerLayer->setStrokeWidth( penWidthInPoints );
704 markerLayer->setOffset( QPointF( xOffset, yOffset ) );
705 markerLayer->setOffsetUnit( Qgis::RenderUnit::Points );
706 layers.append( markerLayer.release() );
707
708 std::unique_ptr< QgsMarkerSymbol > symbol = std::make_unique< QgsMarkerSymbol >( layers );
709 return symbol;
710}
711
712std::unique_ptr<QgsMarkerSymbol> QgsArcGisRestUtils::parseEsriPictureMarkerSymbolJson( const QVariantMap &symbolData )
713{
714 bool ok = false;
715 const double widthInPixels = symbolData.value( QStringLiteral( "width" ) ).toInt( &ok );
716 if ( !ok )
717 return nullptr;
718 const double heightInPixels = symbolData.value( QStringLiteral( "height" ) ).toInt( &ok );
719 if ( !ok )
720 return nullptr;
721
722 const double angleCCW = symbolData.value( QStringLiteral( "angle" ) ).toDouble( &ok );
723 double angleCW = 0;
724 if ( ok )
725 angleCW = -angleCCW;
726
727 const double xOffset = symbolData.value( QStringLiteral( "xoffset" ) ).toDouble();
728 const double yOffset = symbolData.value( QStringLiteral( "yoffset" ) ).toDouble();
729
730 //const QString contentType = symbolData.value( QStringLiteral( "contentType" ) ).toString();
731
732 QString symbolPath( symbolData.value( QStringLiteral( "imageData" ) ).toString() );
733 symbolPath.prepend( QLatin1String( "base64:" ) );
734
735 QgsSymbolLayerList layers;
736 std::unique_ptr< QgsRasterMarkerSymbolLayer > markerLayer = std::make_unique< QgsRasterMarkerSymbolLayer >( symbolPath, widthInPixels, angleCW, Qgis::ScaleMethod::ScaleArea );
737 markerLayer->setSizeUnit( Qgis::RenderUnit::Points );
738
739 // only change the default aspect ratio if the server height setting requires this
740 if ( !qgsDoubleNear( static_cast< double >( heightInPixels ) / widthInPixels, markerLayer->defaultAspectRatio() ) )
741 markerLayer->setFixedAspectRatio( static_cast< double >( heightInPixels ) / widthInPixels );
742
743 markerLayer->setOffset( QPointF( xOffset, yOffset ) );
744 markerLayer->setOffsetUnit( Qgis::RenderUnit::Points );
745 layers.append( markerLayer.release() );
746
747 std::unique_ptr< QgsMarkerSymbol > symbol = std::make_unique< QgsMarkerSymbol >( layers );
748 return symbol;
749}
750
751QgsAbstractVectorLayerLabeling *QgsArcGisRestUtils::convertLabeling( const QVariantList &labelingData )
752{
753 if ( labelingData.empty() )
754 return nullptr;
755
756 QgsRuleBasedLabeling::Rule *root = new QgsRuleBasedLabeling::Rule( new QgsPalLayerSettings(), 0, 0, QString(), QString(), false );
757 root->setActive( true );
758
759 int i = 1;
760 for ( const QVariant &lbl : labelingData )
761 {
762 const QVariantMap labeling = lbl.toMap();
763
764 QgsPalLayerSettings *settings = new QgsPalLayerSettings();
765 QgsTextFormat format;
766
767 const QString placement = labeling.value( QStringLiteral( "labelPlacement" ) ).toString();
768 if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveCenter" ) )
769 {
770 settings->placement = Qgis::LabelPlacement::OverPoint;
771 settings->quadOffset = Qgis::LabelQuadrantPosition::Above;
772 }
773 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowCenter" ) )
774 {
775 settings->placement = Qgis::LabelPlacement::OverPoint;
776 settings->quadOffset = Qgis::LabelQuadrantPosition::Below;
777 }
778 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterCenter" ) )
779 {
780 settings->placement = Qgis::LabelPlacement::OverPoint;
781 settings->quadOffset = Qgis::LabelQuadrantPosition::Over;
782 }
783 else if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveLeft" ) )
784 {
785 settings->placement = Qgis::LabelPlacement::OverPoint;
786 settings->quadOffset = Qgis::LabelQuadrantPosition::AboveLeft;
787 }
788 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowLeft" ) )
789 {
790 settings->placement = Qgis::LabelPlacement::OverPoint;
791 settings->quadOffset = Qgis::LabelQuadrantPosition::BelowLeft;
792 }
793 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterLeft" ) )
794 {
795 settings->placement = Qgis::LabelPlacement::OverPoint;
796 settings->quadOffset = Qgis::LabelQuadrantPosition::Left;
797 }
798 else if ( placement == QLatin1String( "esriServerPointLabelPlacementAboveRight" ) )
799 {
800 settings->placement = Qgis::LabelPlacement::OverPoint;
801 settings->quadOffset = Qgis::LabelQuadrantPosition::AboveRight;
802 }
803 else if ( placement == QLatin1String( "esriServerPointLabelPlacementBelowRight" ) )
804 {
805 settings->placement = Qgis::LabelPlacement::OverPoint;
806 settings->quadOffset = Qgis::LabelQuadrantPosition::BelowRight;
807 }
808 else if ( placement == QLatin1String( "esriServerPointLabelPlacementCenterRight" ) )
809 {
810 settings->placement = Qgis::LabelPlacement::OverPoint;
811 settings->quadOffset = Qgis::LabelQuadrantPosition::Right;
812 }
813 else if ( placement == QLatin1String( "esriServerLinePlacementAboveAfter" ) ||
814 placement == QLatin1String( "esriServerLinePlacementAboveStart" ) ||
815 placement == QLatin1String( "esriServerLinePlacementAboveAlong" ) )
816 {
817 settings->placement = Qgis::LabelPlacement::Line;
818 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::AboveLine | Qgis::LabelLinePlacementFlag::MapOrientation );
819 }
820 else if ( placement == QLatin1String( "esriServerLinePlacementBelowAfter" ) ||
821 placement == QLatin1String( "esriServerLinePlacementBelowStart" ) ||
822 placement == QLatin1String( "esriServerLinePlacementBelowAlong" ) )
823 {
824 settings->placement = Qgis::LabelPlacement::Line;
825 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::BelowLine | Qgis::LabelLinePlacementFlag::MapOrientation );
826 }
827 else if ( placement == QLatin1String( "esriServerLinePlacementCenterAfter" ) ||
828 placement == QLatin1String( "esriServerLinePlacementCenterStart" ) ||
829 placement == QLatin1String( "esriServerLinePlacementCenterAlong" ) )
830 {
831 settings->placement = Qgis::LabelPlacement::Line;
832 settings->lineSettings().setPlacementFlags( Qgis::LabelLinePlacementFlag::OnLine | Qgis::LabelLinePlacementFlag::MapOrientation );
833 }
834 else if ( placement == QLatin1String( "esriServerPolygonPlacementAlwaysHorizontal" ) )
835 {
836 settings->placement = Qgis::LabelPlacement::Horizontal;
837 }
838
839 const double minScale = labeling.value( QStringLiteral( "minScale" ) ).toDouble();
840 const double maxScale = labeling.value( QStringLiteral( "maxScale" ) ).toDouble();
841
842 QVariantMap symbol = labeling.value( QStringLiteral( "symbol" ) ).toMap();
843 format.setColor( convertColor( symbol.value( QStringLiteral( "color" ) ) ) );
844 const double haloSize = symbol.value( QStringLiteral( "haloSize" ) ).toDouble();
845 if ( !qgsDoubleNear( haloSize, 0.0 ) )
846 {
847 QgsTextBufferSettings buffer;
848 buffer.setEnabled( true );
849 buffer.setSize( haloSize );
850 buffer.setSizeUnit( Qgis::RenderUnit::Points );
851 buffer.setColor( convertColor( symbol.value( QStringLiteral( "haloColor" ) ) ) );
852 format.setBuffer( buffer );
853 }
854
855 const QString fontFamily = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "family" ) ).toString();
856 const QString fontStyle = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "style" ) ).toString();
857 const QString fontWeight = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "weight" ) ).toString();
858 const int fontSize = symbol.value( QStringLiteral( "font" ) ).toMap().value( QStringLiteral( "size" ) ).toInt();
859 QFont font( fontFamily, fontSize );
860 font.setStyleName( fontStyle );
861 font.setWeight( fontWeight == QLatin1String( "bold" ) ? QFont::Bold : QFont::Normal );
862
863 format.setFont( font );
864 format.setSize( fontSize );
865 format.setSizeUnit( Qgis::RenderUnit::Points );
866
867 settings->setFormat( format );
868
869 QString where = labeling.value( QStringLiteral( "where" ) ).toString();
870 QgsExpression exp( where );
871 // If the where clause isn't parsed as valid, don't use its
872 if ( !exp.isValid() )
873 where.clear();
874
875 settings->fieldName = convertLabelingExpression( labeling.value( QStringLiteral( "labelExpression" ) ).toString() );
876 settings->isExpression = true;
877
878 QgsRuleBasedLabeling::Rule *child = new QgsRuleBasedLabeling::Rule( settings, maxScale, minScale, where, QObject::tr( "ASF label %1" ).arg( i++ ), false );
879 child->setActive( true );
880 root->appendChild( child );
881 }
882
883 return new QgsRuleBasedLabeling( root );
884}
885
886QgsFeatureRenderer *QgsArcGisRestUtils::convertRenderer( const QVariantMap &rendererData )
887{
888 const QString type = rendererData.value( QStringLiteral( "type" ) ).toString();
889 if ( type == QLatin1String( "simple" ) )
890 {
891 const QVariantMap symbolProps = rendererData.value( QStringLiteral( "symbol" ) ).toMap();
892 std::unique_ptr< QgsSymbol > symbol( convertSymbol( symbolProps ) );
893 if ( symbol )
894 return new QgsSingleSymbolRenderer( symbol.release() );
895 else
896 return nullptr;
897 }
898 else if ( type == QLatin1String( "uniqueValue" ) )
899 {
900 const QString field1 = rendererData.value( QStringLiteral( "field1" ) ).toString();
901 const QString field2 = rendererData.value( QStringLiteral( "field2" ) ).toString();
902 const QString field3 = rendererData.value( QStringLiteral( "field3" ) ).toString();
903 QString attribute;
904 if ( !field2.isEmpty() || !field3.isEmpty() )
905 {
906 const QString delimiter = rendererData.value( QStringLiteral( "fieldDelimiter" ) ).toString();
907 if ( !field3.isEmpty() )
908 {
909 attribute = QStringLiteral( "concat(\"%1\",'%2',\"%3\",'%4',\"%5\")" ).arg( field1, delimiter, field2, delimiter, field3 );
910 }
911 else
912 {
913 attribute = QStringLiteral( "concat(\"%1\",'%2',\"%3\")" ).arg( field1, delimiter, field2 );
914 }
915 }
916 else
917 {
918 attribute = field1;
919 }
920
921 const QVariantList categories = rendererData.value( QStringLiteral( "uniqueValueInfos" ) ).toList();
922 QgsCategoryList categoryList;
923 for ( const QVariant &category : categories )
924 {
925 const QVariantMap categoryData = category.toMap();
926 const QString value = categoryData.value( QStringLiteral( "value" ) ).toString();
927 const QString label = categoryData.value( QStringLiteral( "label" ) ).toString();
928 std::unique_ptr< QgsSymbol > symbol( QgsArcGisRestUtils::convertSymbol( categoryData.value( QStringLiteral( "symbol" ) ).toMap() ) );
929 if ( symbol )
930 {
931 categoryList.append( QgsRendererCategory( value, symbol.release(), label ) );
932 }
933 }
934
935 std::unique_ptr< QgsSymbol > defaultSymbol( convertSymbol( rendererData.value( QStringLiteral( "defaultSymbol" ) ).toMap() ) );
936 if ( defaultSymbol )
937 {
938 categoryList.append( QgsRendererCategory( QVariant(), defaultSymbol.release(), rendererData.value( QStringLiteral( "defaultLabel" ) ).toString() ) );
939 }
940
941 if ( categoryList.empty() )
942 return nullptr;
943
944 return new QgsCategorizedSymbolRenderer( attribute, categoryList );
945 }
946 else if ( type == QLatin1String( "classBreaks" ) )
947 {
948 // currently unsupported
949 return nullptr;
950 }
951 else if ( type == QLatin1String( "heatmap" ) )
952 {
953 // currently unsupported
954 return nullptr;
955 }
956 else if ( type == QLatin1String( "vectorField" ) )
957 {
958 // currently unsupported
959 return nullptr;
960 }
961 return nullptr;
962}
963
964QString QgsArcGisRestUtils::convertLabelingExpression( const QString &string )
965{
966 QString expression = string;
967
968 // Replace a few ArcGIS token to QGIS equivalents
969 const thread_local QRegularExpression rx1 = QRegularExpression( QStringLiteral( "(?=([^\"\\\\]*(\\\\.|\"([^\"\\\\]*\\\\.)*[^\"\\\\]*\"))*[^\"]*$)(\\s|^)CONCAT(\\s|$)" ) );
970 expression = expression.replace( rx1, QStringLiteral( "\\4||\\5" ) );
971
972 const thread_local QRegularExpression rx2 = QRegularExpression( QStringLiteral( "(?=([^\"\\\\]*(\\\\.|\"([^\"\\\\]*\\\\.)*[^\"\\\\]*\"))*[^\"]*$)(\\s|^)NEWLINE(\\s|$)" ) );
973 expression = expression.replace( rx2, QStringLiteral( "\\4'\\n'\\5" ) );
974
975 // ArcGIS's double quotes are single quotes in QGIS
976 const thread_local QRegularExpression rx3 = QRegularExpression( QStringLiteral( "\"(.*?(?<!\\\\))\"" ) );
977 expression = expression.replace( rx3, QStringLiteral( "'\\1'" ) );
978 const thread_local QRegularExpression rx4 = QRegularExpression( QStringLiteral( "\\\\\"" ) );
979 expression = expression.replace( rx4, QStringLiteral( "\"" ) );
980
981 // ArcGIS's square brakets are double quotes in QGIS
982 const thread_local QRegularExpression rx5 = QRegularExpression( QStringLiteral( "\\[([^]]*)\\]" ) );
983 expression = expression.replace( rx5, QStringLiteral( "\"\\1\"" ) );
984
985 return expression;
986}
987
988QColor QgsArcGisRestUtils::convertColor( const QVariant &colorData )
989{
990 const QVariantList colorParts = colorData.toList();
991 if ( colorParts.count() < 4 )
992 return QColor();
993
994 int red = colorParts.at( 0 ).toInt();
995 int green = colorParts.at( 1 ).toInt();
996 int blue = colorParts.at( 2 ).toInt();
997 int alpha = colorParts.at( 3 ).toInt();
998 return QColor( red, green, blue, alpha );
999}
1000
1001Qt::PenStyle QgsArcGisRestUtils::convertLineStyle( const QString &style )
1002{
1003 if ( style == QLatin1String( "esriSLSSolid" ) )
1004 return Qt::SolidLine;
1005 else if ( style == QLatin1String( "esriSLSDash" ) )
1006 return Qt::DashLine;
1007 else if ( style == QLatin1String( "esriSLSDashDot" ) )
1008 return Qt::DashDotLine;
1009 else if ( style == QLatin1String( "esriSLSDashDotDot" ) )
1010 return Qt::DashDotDotLine;
1011 else if ( style == QLatin1String( "esriSLSDot" ) )
1012 return Qt::DotLine;
1013 else if ( style == QLatin1String( "esriSLSNull" ) )
1014 return Qt::NoPen;
1015 else
1016 return Qt::SolidLine;
1017}
1018
1019Qt::BrushStyle QgsArcGisRestUtils::convertFillStyle( const QString &style )
1020{
1021 if ( style == QLatin1String( "esriSFSBackwardDiagonal" ) )
1022 return Qt::BDiagPattern;
1023 else if ( style == QLatin1String( "esriSFSCross" ) )
1024 return Qt::CrossPattern;
1025 else if ( style == QLatin1String( "esriSFSDiagonalCross" ) )
1026 return Qt::DiagCrossPattern;
1027 else if ( style == QLatin1String( "esriSFSForwardDiagonal" ) )
1028 return Qt::FDiagPattern;
1029 else if ( style == QLatin1String( "esriSFSHorizontal" ) )
1030 return Qt::HorPattern;
1031 else if ( style == QLatin1String( "esriSFSNull" ) )
1032 return Qt::NoBrush;
1033 else if ( style == QLatin1String( "esriSFSSolid" ) )
1034 return Qt::SolidPattern;
1035 else if ( style == QLatin1String( "esriSFSVertical" ) )
1036 return Qt::VerPattern;
1037 else
1038 return Qt::SolidPattern;
1039}
1040
1041QDateTime QgsArcGisRestUtils::convertDateTime( const QVariant &value )
1042{
1043 if ( QgsVariantUtils::isNull( value ) )
1044 return QDateTime();
1045 bool ok = false;
1046 QDateTime dt = QDateTime::fromMSecsSinceEpoch( value.toLongLong( &ok ) );
1047 if ( !ok )
1048 {
1049 QgsDebugError( QStringLiteral( "Invalid value %1 for datetime" ).arg( value.toString() ) );
1050 return QDateTime();
1051 }
1052 else
1053 return dt;
1054}
1055
1056QgsRectangle QgsArcGisRestUtils::convertRectangle( const QVariant &value )
1057{
1058 if ( QgsVariantUtils::isNull( value ) )
1059 return QgsRectangle();
1060
1061 const QVariantMap coords = value.toMap();
1062 if ( coords.isEmpty() ) return QgsRectangle();
1063
1064 bool ok;
1065
1066 const double xmin = coords.value( QStringLiteral( "xmin" ) ).toDouble( &ok );
1067 if ( ! ok ) return QgsRectangle();
1068
1069 const double ymin = coords.value( QStringLiteral( "ymin" ) ).toDouble( &ok );
1070 if ( ! ok ) return QgsRectangle();
1071
1072 const double xmax = coords.value( QStringLiteral( "xmax" ) ).toDouble( &ok );
1073 if ( ! ok ) return QgsRectangle();
1074
1075 const double ymax = coords.value( QStringLiteral( "ymax" ) ).toDouble( &ok );
1076 if ( ! ok ) return QgsRectangle();
1077
1078 return QgsRectangle( xmin, ymin, xmax, ymax );
1079
1080}
1081
1082
1083QVariantMap QgsArcGisRestUtils::geometryToJson( const QgsGeometry &geometry, const QgsArcGisRestContext &, const QgsCoordinateReferenceSystem &crs )
1084{
1085 QVariantMap res;
1086 if ( geometry.isNull() )
1087 return QVariantMap();
1088
1089 const QgsAbstractGeometry *geom = geometry.constGet()->simplifiedTypeRef();
1090 switch ( QgsWkbTypes::flatType( geom->wkbType() ) )
1091 {
1092 case Qgis::WkbType::Unknown:
1093 case Qgis::WkbType::NoGeometry:
1094 return QVariantMap();
1095
1096 case Qgis::WkbType::Point:
1097 res = pointToJson( qgsgeometry_cast< const QgsPoint * >( geom ) );
1098 break;
1099
1100 case Qgis::WkbType::LineString:
1101 res = lineStringToJson( qgsgeometry_cast< const QgsLineString * >( geom ) );
1102 break;
1103
1104 case Qgis::WkbType::CircularString:
1105 case Qgis::WkbType::CompoundCurve:
1106 res = curveToJson( qgsgeometry_cast< const QgsCurve * >( geom ) );
1107 break;
1108
1109 case Qgis::WkbType::Polygon:
1110 res = polygonToJson( qgsgeometry_cast< const QgsPolygon * >( geom ) );
1111 break;
1112
1113 case Qgis::WkbType::MultiPoint:
1114 res = multiPointToJson( qgsgeometry_cast< const QgsMultiPoint * >( geom ) );
1115 break;
1116
1117 case Qgis::WkbType::MultiLineString:
1118 res = multiLineStringToJson( qgsgeometry_cast< const QgsMultiLineString * >( geom ) );
1119 break;
1120
1121 case Qgis::WkbType::MultiCurve:
1122 res = multiCurveToJson( qgsgeometry_cast< const QgsMultiCurve * >( geom ) );
1123 break;
1124
1125 case Qgis::WkbType::MultiPolygon:
1126 res = multiPolygonToJson( qgsgeometry_cast< const QgsMultiPolygon * >( geom ) );
1127 break;
1128
1129 case Qgis::WkbType::CurvePolygon:
1130 res = curvePolygonToJson( qgsgeometry_cast< const QgsCurvePolygon * >( geom ) );
1131 break;
1132
1133 case Qgis::WkbType::MultiSurface:
1134 res = multiSurfaceToJson( qgsgeometry_cast< const QgsMultiSurface * >( geom ) );
1135 break;
1136
1137 case Qgis::WkbType::GeometryCollection:
1138 return QVariantMap(); // not supported by REST API
1139
1140 case Qgis::WkbType::Triangle:
1141 return QVariantMap(); //not yet supported, but could be
1142
1143 default:
1144 return QVariantMap(); //unreachable
1145
1146 }
1147
1148 if ( crs.isValid() )
1149 {
1150 // add spatialReference information
1151 res.insert( QStringLiteral( "spatialReference" ), crsToJson( crs ) );
1152 }
1153
1154 return res;
1155}
1156
1157QVariantMap QgsArcGisRestUtils::pointToJson( const QgsPoint *point )
1158{
1159 QVariantMap data;
1160 if ( point->isEmpty() )
1161 data[QStringLiteral( "x" )] = QStringLiteral( "NaN" );
1162 else
1163 {
1164 data[QStringLiteral( "x" )] = point->x();
1165 data[QStringLiteral( "y" )] = point->y();
1166
1167 if ( point->is3D() )
1168 data[QStringLiteral( "z" )] = !std::isnan( point->z() ) ? QVariant( point->z() ) : QVariant( QStringLiteral( "NaN" ) );
1169
1170 if ( point->isMeasure() )
1171 data[QStringLiteral( "m" )] = !std::isnan( point->m() ) ? QVariant( point->m() ) : QVariant( QStringLiteral( "NaN" ) );
1172 }
1173 return data;
1174}
1175
1176QVariantMap QgsArcGisRestUtils::multiPointToJson( const QgsMultiPoint *multiPoint )
1177{
1178 QVariantMap data;
1179 const bool hasZ = multiPoint->is3D();
1180 const bool hasM = multiPoint->isMeasure();
1181 data[QStringLiteral( "hasM" )] = hasM;
1182 data[QStringLiteral( "hasZ" )] = hasZ;
1183
1184 QVariantList pointsList;
1185 const int size = multiPoint->numGeometries();
1186 pointsList.reserve( size );
1187
1188 QVariantList pointList;
1189 for ( int i = 0; i < size; ++i )
1190 {
1191 const QgsPoint *point = multiPoint->pointN( i );
1192
1193 pointList.clear();
1194 pointList.append( point->x() );
1195 pointList.append( point->y() );
1196 if ( hasZ )
1197 pointList.append( point->z() );
1198 if ( hasM && !std::isnan( point->m() ) )
1199 pointList.append( point->m() );
1200
1201 pointsList.push_back( pointList );
1202 }
1203
1204 data[QStringLiteral( "points" )] = pointsList;
1205 return data;
1206}
1207
1208QVariantList QgsArcGisRestUtils::lineStringToJsonPath( const QgsLineString *line )
1209{
1210 const bool hasZ = line->is3D();
1211 const bool hasM = line->isMeasure();
1212
1213 QVariantList pointsList;
1214 const int size = line->numPoints();
1215 pointsList.reserve( size );
1216
1217 QVariantList pointList;
1218 const double *xData = line->xData();
1219 const double *yData = line->yData();
1220 const double *zData = hasZ ? line->zData() : nullptr;
1221 const double *mData = hasM ? line->mData() : nullptr;
1222
1223 for ( int i = 0; i < size; ++i )
1224 {
1225 pointList.clear();
1226 pointList.append( *xData++ );
1227 pointList.append( *yData++ );
1228
1229 if ( hasZ )
1230 pointList.append( *zData++ );
1231
1232 if ( hasM && !std::isnan( *mData ) )
1233 pointList.append( *mData );
1234 if ( hasM )
1235 mData++;
1236
1237 pointsList.push_back( pointList );
1238 }
1239 return pointsList;
1240}
1241
1242QVariantList QgsArcGisRestUtils::curveToJsonCurve( const QgsCurve *curve, bool includeStart )
1243{
1244 const bool hasZ = curve->is3D();
1245 const bool hasM = curve->isMeasure();
1246
1247 auto pointToList = [hasZ, hasM]( const QgsPoint & point ) -> QVariantList
1248 {
1249 QVariantList pointList;
1250
1251 pointList.append( point.x() );
1252 pointList.append( point.y() );
1253
1254 if ( hasZ )
1255 pointList.append( point.z() );
1256
1257 if ( hasM && !std::isnan( point.m() ) )
1258 pointList.append( point.m() );
1259
1260 return pointList;
1261 };
1262
1263 QVariantList res;
1264 switch ( QgsWkbTypes::flatType( curve->wkbType() ) )
1265 {
1266 case Qgis::WkbType::LineString:
1267 {
1268 QVariantList part = lineStringToJsonPath( qgsgeometry_cast< const QgsLineString *>( curve ) );
1269 if ( !part.isEmpty() && !includeStart )
1270 part.removeAt( 0 );
1271 res = part;
1272 break;
1273 }
1274
1275 case Qgis::WkbType::CircularString:
1276 {
1277 const QgsCircularString *circularString = qgsgeometry_cast<const QgsCircularString * >( curve );
1278 if ( includeStart && !circularString->isEmpty() )
1279 {
1280 res.push_back( pointToList( circularString->startPoint() ) );
1281 }
1282
1283 const int size = circularString->numPoints();
1284 for ( int i = 1; i + 1 < size; i += 2 )
1285 {
1286 // end point comes BEFORE interior point!
1287 QVariantMap curvePart;
1288 QVariantList curveList;
1289 curveList.push_back( pointToList( circularString->pointN( i + 1 ) ) );
1290
1291 curveList.push_back( pointToList( circularString->pointN( i ) ) );
1292
1293 curvePart.insert( QStringLiteral( "c" ), curveList );
1294 res.push_back( curvePart );
1295 }
1296 break;
1297 }
1298
1299 case Qgis::WkbType::CompoundCurve:
1300 {
1301 const QgsCompoundCurve *compoundCurve = qgsgeometry_cast<const QgsCompoundCurve * >( curve );
1302
1303 const int size = compoundCurve->nCurves();
1304 for ( int i = 0; i < size; ++i )
1305 {
1306 const QgsCurve *subCurve = compoundCurve->curveAt( i );
1307 res.append( curveToJsonCurve( subCurve, i == 0 ) );
1308 }
1309 break;
1310 }
1311
1312 default:
1313 break;
1314 }
1315 return res;
1316}
1317
1318QVariantMap QgsArcGisRestUtils::lineStringToJson( const QgsLineString *line )
1319{
1320 QVariantMap data;
1321 const bool hasZ = line->is3D();
1322 const bool hasM = line->isMeasure();
1323 data[QStringLiteral( "hasM" )] = hasM;
1324 data[QStringLiteral( "hasZ" )] = hasZ;
1325
1326 const QVariantList pointsList = lineStringToJsonPath( line );
1327
1328 QVariantList pointsData = QVariantList();
1329 pointsData.push_back( pointsList );
1330 data[QStringLiteral( "paths" )] = pointsData;
1331
1332 return data;
1333}
1334
1335QVariantMap QgsArcGisRestUtils::curveToJson( const QgsCurve *curve )
1336{
1337 QVariantMap data;
1338 const bool hasZ = curve->is3D();
1339 const bool hasM = curve->isMeasure();
1340 data[QStringLiteral( "hasM" )] = hasM;
1341 data[QStringLiteral( "hasZ" )] = hasZ;
1342
1343 const QVariantList curveList = curveToJsonCurve( curve, true );
1344
1345 QVariantList curveData = QVariantList();
1346 curveData.push_back( curveList );
1347 data[QStringLiteral( "curvePaths" )] = curveData;
1348
1349 return data;
1350}
1351
1352QVariantMap QgsArcGisRestUtils::multiLineStringToJson( const QgsMultiLineString *multiLine )
1353{
1354 QVariantMap data;
1355 const bool hasZ = multiLine->is3D();
1356 const bool hasM = multiLine->isMeasure();
1357 data[QStringLiteral( "hasM" )] = hasM;
1358 data[QStringLiteral( "hasZ" )] = hasZ;
1359
1360 const int size = multiLine->numGeometries();
1361 QVariantList paths;
1362 paths.reserve( size );
1363 for ( int i = 0; i < size; ++i )
1364 {
1365 const QgsLineString *line = multiLine->lineStringN( i );
1366 paths.push_back( lineStringToJsonPath( line ) );
1367 }
1368
1369 data[QStringLiteral( "paths" )] = paths;
1370 return data;
1371}
1372
1373QVariantMap QgsArcGisRestUtils::multiCurveToJson( const QgsMultiCurve *multiCurve )
1374{
1375 QVariantMap data;
1376 const bool hasZ = multiCurve->is3D();
1377 const bool hasM = multiCurve->isMeasure();
1378 data[QStringLiteral( "hasM" )] = hasM;
1379 data[QStringLiteral( "hasZ" )] = hasZ;
1380
1381 const int size = multiCurve->numGeometries();
1382 QVariantList paths;
1383 paths.reserve( size );
1384 for ( int i = 0; i < size; ++i )
1385 {
1386 const QgsCurve *curve = multiCurve->curveN( i );
1387 paths.push_back( curveToJsonCurve( curve, true ) );
1388 }
1389
1390 data[QStringLiteral( "curvePaths" )] = paths;
1391 return data;
1392}
1393
1394QVariantList QgsArcGisRestUtils::polygonToJsonRings( const QgsPolygon *polygon )
1395{
1396 QVariantList rings;
1397 const int numInteriorRings = polygon->numInteriorRings();
1398 rings.reserve( numInteriorRings + 1 );
1399
1400 if ( const QgsLineString *exterior = qgsgeometry_cast< const QgsLineString * >( polygon->exteriorRing() ) )
1401 {
1402 // exterior ring MUST be clockwise
1403 switch ( exterior->orientation() )
1404 {
1405 case Qgis::AngularDirection::Clockwise:
1406 rings.push_back( lineStringToJsonPath( exterior ) );
1407 break;
1408
1409 case Qgis::AngularDirection::CounterClockwise:
1410 {
1411 std::unique_ptr< QgsLineString > reversed( exterior->reversed() );
1412 rings.push_back( lineStringToJsonPath( reversed.get() ) );
1413 break;
1414 }
1415 case Qgis::AngularDirection::NoOrientation:
1416 break;
1417 }
1418 }
1419
1420 for ( int i = 0; i < numInteriorRings; ++i )
1421 {
1422 const QgsLineString *ring = qgsgeometry_cast< const QgsLineString * >( polygon->interiorRing( i ) );
1423 // holes MUST be counter-clockwise
1424 switch ( ring->orientation() )
1425 {
1426 case Qgis::AngularDirection::CounterClockwise:
1427 rings.push_back( lineStringToJsonPath( ring ) );
1428 break;
1429
1430 case Qgis::AngularDirection::Clockwise:
1431 {
1432 std::unique_ptr< QgsLineString > reversed( ring->reversed() );
1433 rings.push_back( lineStringToJsonPath( reversed.get() ) );
1434 break;
1435 }
1436 case Qgis::AngularDirection::NoOrientation:
1437 break;
1438 }
1439 }
1440 return rings;
1441}
1442
1443QVariantList QgsArcGisRestUtils::curvePolygonToJsonRings( const QgsCurvePolygon *polygon )
1444{
1445 QVariantList rings;
1446 const int numInteriorRings = polygon->numInteriorRings();
1447 rings.reserve( numInteriorRings + 1 );
1448
1449 if ( const QgsCurve *exterior = qgsgeometry_cast< const QgsCurve * >( polygon->exteriorRing() ) )
1450 {
1451 // exterior ring MUST be clockwise
1452 switch ( exterior->orientation() )
1453 {
1454 case Qgis::AngularDirection::Clockwise:
1455 rings.push_back( curveToJsonCurve( exterior, true ) );
1456 break;
1457
1458 case Qgis::AngularDirection::CounterClockwise:
1459 {
1460 std::unique_ptr< QgsCurve > reversed( exterior->reversed() );
1461 rings.push_back( curveToJsonCurve( reversed.get(), true ) );
1462 break;
1463 }
1464 case Qgis::AngularDirection::NoOrientation:
1465 break;
1466 }
1467 }
1468
1469 for ( int i = 0; i < numInteriorRings; ++i )
1470 {
1471 const QgsCurve *ring = qgsgeometry_cast< const QgsCurve * >( polygon->interiorRing( i ) );
1472 // holes MUST be counter-clockwise
1473 switch ( ring->orientation() )
1474 {
1475 case Qgis::AngularDirection::CounterClockwise:
1476 rings.push_back( curveToJsonCurve( ring, true ) );
1477 break;
1478
1479 case Qgis::AngularDirection::Clockwise:
1480 {
1481 std::unique_ptr< QgsCurve > reversed( ring->reversed() );
1482 rings.push_back( curveToJsonCurve( reversed.get(), true ) );
1483 break;
1484 }
1485 case Qgis::AngularDirection::NoOrientation:
1486 break;
1487 }
1488 }
1489 return rings;
1490}
1491
1492QVariantMap QgsArcGisRestUtils::polygonToJson( const QgsPolygon *polygon )
1493{
1494 QVariantMap data;
1495 const bool hasZ = polygon->is3D();
1496 const bool hasM = polygon->isMeasure();
1497 data[QStringLiteral( "hasM" )] = hasM;
1498 data[QStringLiteral( "hasZ" )] = hasZ;
1499 data[QStringLiteral( "rings" )] = polygonToJsonRings( polygon );
1500 return data;
1501}
1502
1503QVariantMap QgsArcGisRestUtils::curvePolygonToJson( const QgsCurvePolygon *polygon )
1504{
1505 QVariantMap data;
1506 const bool hasZ = polygon->is3D();
1507 const bool hasM = polygon->isMeasure();
1508 data[QStringLiteral( "hasM" )] = hasM;
1509 data[QStringLiteral( "hasZ" )] = hasZ;
1510 data[QStringLiteral( "curveRings" )] = curvePolygonToJsonRings( polygon );
1511 return data;
1512}
1513
1514QVariantMap QgsArcGisRestUtils::multiPolygonToJson( const QgsMultiPolygon *multiPolygon )
1515{
1516 QVariantMap data;
1517 const bool hasZ = multiPolygon->is3D();
1518 const bool hasM = multiPolygon->isMeasure();
1519 data[QStringLiteral( "hasM" )] = hasM;
1520 data[QStringLiteral( "hasZ" )] = hasZ;
1521
1522 const int size = multiPolygon->numGeometries();
1523 QVariantList rings;
1524 for ( int i = 0; i < size; ++i )
1525 {
1526 const QgsPolygon *polygon = multiPolygon->polygonN( i );
1527 rings.append( polygonToJsonRings( polygon ) );
1528 }
1529
1530 data[QStringLiteral( "rings" )] = rings;
1531 return data;
1532}
1533
1534QVariantMap QgsArcGisRestUtils::multiSurfaceToJson( const QgsMultiSurface *multiSurface )
1535{
1536 QVariantMap data;
1537 const bool hasZ = multiSurface->is3D();
1538 const bool hasM = multiSurface->isMeasure();
1539 data[QStringLiteral( "hasM" )] = hasM;
1540 data[QStringLiteral( "hasZ" )] = hasZ;
1541
1542 const int size = multiSurface->numGeometries();
1543 QVariantList rings;
1544 for ( int i = 0; i < size; ++i )
1545 {
1546 const QgsCurvePolygon *polygon = qgsgeometry_cast< const QgsCurvePolygon * >( multiSurface->geometryN( i ) );
1547 if ( !polygon )
1548 continue;
1549
1550 rings.append( curvePolygonToJsonRings( polygon ) );
1551 }
1552
1553 data[QStringLiteral( "curveRings" )] = rings;
1554 return data;
1555}
1556
1557QVariantMap QgsArcGisRestUtils::crsToJson( const QgsCoordinateReferenceSystem &crs )
1558{
1559 QVariantMap res;
1560 if ( !crs.isValid() )
1561 return res;
1562
1563 const QString authid = crs.authid();
1564 if ( !authid.isEmpty() )
1565 {
1566 const thread_local QRegularExpression rxAuthid( QStringLiteral( "(\\w+):(\\d+)" ) );
1567 const QRegularExpressionMatch match = rxAuthid.match( authid );
1568 if ( match.hasMatch()
1569 && (
1570 ( match.captured( 1 ).compare( QLatin1String( "EPSG" ), Qt::CaseInsensitive ) == 0 )
1571 || ( match.captured( 1 ).compare( QLatin1String( "ESRI" ), Qt::CaseInsensitive ) == 0 )
1572 )
1573 )
1574 {
1575 const QString wkid = match.captured( 2 );
1576 res.insert( QStringLiteral( "wkid" ), wkid );
1577 return res;
1578 }
1579 }
1580
1581 // docs don't mention the WKT version support, so let's hope for 2.0...
1582 res.insert( QStringLiteral( "wkt" ), crs.toWkt( Qgis::CrsWktVariant::Wkt2_2019Simplified ) );
1583
1584 return res;
1585}
1586
1587QVariantMap QgsArcGisRestUtils::featureToJson( const QgsFeature &feature, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs, QgsArcGisRestUtils::FeatureToJsonFlags flags )
1588{
1589 QVariantMap res;
1590 if ( ( flags & FeatureToJsonFlag::IncludeGeometry ) && feature.hasGeometry() )
1591 {
1592 res.insert( QStringLiteral( "geometry" ), geometryToJson( feature.geometry(), context, crs ) );
1593 }
1594
1595 QVariantMap attributes;
1596 const QgsFields fields = feature.fields();
1597 for ( const QgsField &field : fields )
1598 {
1599 if ( ( flags & FeatureToJsonFlag::IncludeNonObjectIdAttributes ) || field.name() == context.objectIdFieldName() )
1600 attributes.insert( field.name(), variantToAttributeValue( feature.attribute( field.name() ), field.type(), context ) );
1601 }
1602 if ( !attributes.isEmpty() )
1603 {
1604 res.insert( QStringLiteral( "attributes" ), attributes );
1605 }
1606 return res;
1607}
1608
1609QVariant QgsArcGisRestUtils::variantToAttributeValue( const QVariant &variant, QVariant::Type expectedType, const QgsArcGisRestContext &context )
1610{
1611 if ( QgsVariantUtils::isNull( variant ) )
1612 return QVariant();
1613
1614 switch ( expectedType )
1615 {
1616 case QVariant::String:
1617 return QString( QUrl::toPercentEncoding( variant.toString() ) );
1618
1619 case QVariant::DateTime:
1620 case QVariant::Date:
1621 {
1622 switch ( variant.type() )
1623 {
1624 case QVariant::DateTime:
1625 return variant.toDateTime().toMSecsSinceEpoch();
1626
1627 case QVariant::Date:
1628 // for date values, assume start of day -- the REST api requires datetime values only, not plain dates
1629 if ( context.timeZone().isValid() )
1630 return QDateTime( variant.toDate(), QTime( 0, 0, 0 ), context.timeZone() ).toMSecsSinceEpoch();
1631 else
1632 return QDateTime( variant.toDate(), QTime( 0, 0, 0 ) ).toMSecsSinceEpoch();
1633
1634 default:
1635 return QVariant();
1636 }
1637 }
1638
1639 default:
1640 return variant;
1641 }
1642}
1643
1644QVariantMap QgsArcGisRestUtils::fieldDefinitionToJson( const QgsField &field )
1645{
1646 QVariantMap res;
1647 res.insert( QStringLiteral( "name" ), field.name() );
1648
1649 QString fieldType;
1650 switch ( field.type() )
1651 {
1652 case QVariant::LongLong:
1653 fieldType = QStringLiteral( "esriFieldTypeInteger" );
1654 break;
1655
1656 case QVariant::Int:
1657 fieldType = QStringLiteral( "esriFieldTypeSmallInteger" );
1658 break;
1659
1660 case QVariant::Double:
1661 fieldType = QStringLiteral( "esriFieldTypeDouble" );
1662 break;
1663
1664 case QVariant::String:
1665 fieldType = QStringLiteral( "esriFieldTypeString" );
1666 break;
1667
1668 case QVariant::DateTime:
1669 case QVariant::Date:
1670 fieldType = QStringLiteral( "esriFieldTypeDate" );
1671 break;
1672
1673 case QVariant::ByteArray:
1674 fieldType = QStringLiteral( "esriFieldTypeBlob" );
1675 break;
1676
1677 default:
1678 // fallback to string
1679 fieldType = QStringLiteral( "esriFieldTypeString" );
1680 break;
1681 }
1682 res.insert( QStringLiteral( "type" ), fieldType );
1683
1684 if ( !field.alias().isEmpty() )
1685 res.insert( QStringLiteral( "alias" ), field.alias() );
1686
1687 // nullable
1688 const bool notNullable = field.constraints().constraints() & QgsFieldConstraints::Constraint::ConstraintNotNull;
1689 res.insert( QStringLiteral( "nullable" ), !notNullable );
1690
1691 // editable
1692 res.insert( QStringLiteral( "editable" ), true );
1693
1694 return res;
1695}
1696
1697Qgis::ArcGisRestServiceType QgsArcGisRestUtils::serviceTypeFromString( const QString &type )
1698{
1699 if ( type.compare( QLatin1String( "FeatureServer" ), Qt::CaseInsensitive ) == 0 )
1700 return Qgis::ArcGisRestServiceType::FeatureServer;
1701 else if ( type.compare( QLatin1String( "MapServer" ), Qt::CaseInsensitive ) == 0 )
1702 return Qgis::ArcGisRestServiceType::MapServer;
1703 else if ( type.compare( QLatin1String( "ImageServer" ), Qt::CaseInsensitive ) == 0 )
1704 return Qgis::ArcGisRestServiceType::ImageServer;
1705 else if ( type.compare( QLatin1String( "GlobeServer" ), Qt::CaseInsensitive ) == 0 )
1706 return Qgis::ArcGisRestServiceType::GlobeServer;
1707 else if ( type.compare( QLatin1String( "GPServer" ), Qt::CaseInsensitive ) == 0 )
1708 return Qgis::ArcGisRestServiceType::GPServer;
1709 else if ( type.compare( QLatin1String( "GeocodeServer" ), Qt::CaseInsensitive ) == 0 )
1710 return Qgis::ArcGisRestServiceType::GeocodeServer;
1711
1712 return Qgis::ArcGisRestServiceType::Unknown;
1713}
1714
Qgis::LabelLinePlacementFlag::BelowLine
@ BelowLine
Labels can be placed below a line feature. Unless MapOrientation is also specified this mode respects...
Qgis::LabelLinePlacementFlag::MapOrientation
@ MapOrientation
Signifies that the AboveLine and BelowLine flags should respect the map's orientation rather than the...
Qgis::LabelLinePlacementFlag::OnLine
@ OnLine
Labels can be placed directly over a line feature.
Qgis::LabelLinePlacementFlag::AboveLine
@ AboveLine
Labels can be placed above a line feature. Unless MapOrientation is also specified this mode respects...
Qgis::AngularDirection::NoOrientation
@ NoOrientation
Unknown orientation or sentinel value.
Qgis::AngularDirection::CounterClockwise
@ CounterClockwise
Counter-clockwise direction.
Qgis::AngularDirection::Clockwise
@ Clockwise
Clockwise direction.
Qgis::LabelPlacement::OverPoint
@ OverPoint
Arranges candidates over a point (or centroid of a polygon), or at a preset offset from the point....
Qgis::LabelPlacement::Line
@ Line
Arranges candidates parallel to a generalised line representing the feature or parallel to a polygon'...
Qgis::LabelPlacement::Horizontal
@ Horizontal
Arranges horizontal candidates scattered throughout a polygon feature. Applies to polygon layers only...
Qgis::ScaleMethod::ScaleArea
@ ScaleArea
Calculate scale by the area.
Qgis::ArcGisRestServiceType
ArcGisRestServiceType
Available ArcGIS REST service types.
Definition qgis.h:3550
Qgis::ArcGisRestServiceType::GeocodeServer
@ GeocodeServer
GeocodeServer.
Qgis::ArcGisRestServiceType::Unknown
@ Unknown
Other unknown/unsupported type.
Qgis::ArcGisRestServiceType::FeatureServer
@ FeatureServer
FeatureServer.
Qgis::MarkerShape
MarkerShape
Marker shapes.
Definition qgis.h:2469
Qgis::MarkerShape::Triangle
@ Triangle
Triangle.
Qgis::MarkerShape::Cross2
@ Cross2
Rotated cross (lines only), 'x' shape.
Qgis::MarkerShape::Cross
@ Cross
Cross (lines only)
Qgis::RenderUnit::Points
@ Points
Points (e.g., for font sizes)
Qgis::WkbType
WkbType
The WKB type describes the number of dimensions a geometry has.
Definition qgis.h:182
Qgis::WkbType::CompoundCurve
@ CompoundCurve
CompoundCurve.
Qgis::WkbType::LineString
@ LineString
LineString.
Qgis::WkbType::MultiPoint
@ MultiPoint
MultiPoint.
Qgis::WkbType::Polygon
@ Polygon
Polygon.
Qgis::WkbType::MultiPolygon
@ MultiPolygon
MultiPolygon.
Qgis::WkbType::Triangle
@ Triangle
Triangle.
Qgis::WkbType::NoGeometry
@ NoGeometry
No geometry.
Qgis::WkbType::MultiLineString
@ MultiLineString
MultiLineString.
Qgis::WkbType::Unknown
@ Unknown
Unknown.
Qgis::WkbType::CircularString
@ CircularString
CircularString.
Qgis::WkbType::GeometryCollection
@ GeometryCollection
GeometryCollection.
Qgis::WkbType::MultiCurve
@ MultiCurve
MultiCurve.
Qgis::WkbType::CurvePolygon
@ CurvePolygon
CurvePolygon.
Qgis::WkbType::MultiSurface
@ MultiSurface
MultiSurface.
Qgis::CrsWktVariant::Wkt2_2019Simplified
@ Wkt2_2019Simplified
WKT2_2019 with the simplification rule of WKT2_SIMPLIFIED.
QgsAbstractGeometry
Abstract base class for all geometries.
Definition qgsabstractgeometry.h:80
QgsAbstractGeometry::simplifiedTypeRef
virtual const QgsAbstractGeometry * simplifiedTypeRef() const
Returns a reference to the simplest lossless representation of this geometry, e.g.
Definition qgsabstractgeometry.cpp:317
QgsAbstractGeometry::isMeasure
bool isMeasure() const
Returns true if the geometry contains m values.
Definition qgsabstractgeometry.h:262
QgsAbstractGeometry::boundingBox
virtual QgsRectangle boundingBox() const
Returns the minimal bounding box for the geometry.
Definition qgsabstractgeometry.cpp:117
QgsAbstractGeometry::is3D
bool is3D() const
Returns true if the geometry is 3D and contains a z-value.
Definition qgsabstractgeometry.h:253
QgsAbstractGeometry::wkbType
Qgis::WkbType wkbType() const
Returns the WKB type of the geometry.
Definition qgsabstractgeometry.h:240
QgsAbstractVectorLayerLabeling
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
Definition qgsvectorlayerlabeling.h:41
QgsArcGisRestContext
Contains the context of a ArcGIS REST service operation.
Definition qgsarcgisrestutils.h:67
QgsArcGisRestContext::timeZone
QTimeZone timeZone() const
Returns the time zone for datetime values.
Definition qgsarcgisrestutils.h:82
QgsArcGisRestContext::objectIdFieldName
QString objectIdFieldName() const
Returns the name of the objectId field.
Definition qgsarcgisrestutils.h:96
QgsArcGisRestUtils::fieldDefinitionToJson
static QVariantMap fieldDefinitionToJson(const QgsField &field)
Converts a field's definition to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1644
QgsArcGisRestUtils::convertSpatialReference
static QgsCoordinateReferenceSystem convertSpatialReference(const QVariantMap &spatialReferenceMap)
Converts a spatial reference JSON definition to a QgsCoordinateReferenceSystem value.
Definition qgsarcgisrestutils.cpp:503
QgsArcGisRestUtils::convertDateTime
static QDateTime convertDateTime(const QVariant &value)
Converts a date time value to a QDateTime.
Definition qgsarcgisrestutils.cpp:1041
QgsArcGisRestUtils::convertGeometryType
static Qgis::WkbType convertGeometryType(const QString &type)
Converts an ESRI REST geometry type to a WKB type.
Definition qgsarcgisrestutils.cpp:80
QgsArcGisRestUtils::convertLabelingExpression
static QString convertLabelingExpression(const QString &string)
Converts an ESRI labeling expression to a QGIS expression string.
Definition qgsarcgisrestutils.cpp:964
QgsArcGisRestUtils::convertSymbol
static QgsSymbol * convertSymbol(const QVariantMap &definition)
Converts a symbol JSON definition to a QgsSymbol.
Definition qgsarcgisrestutils.cpp:537
QgsArcGisRestUtils::geometryToJson
static QVariantMap geometryToJson(const QgsGeometry &geometry, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs=QgsCoordinateReferenceSystem())
Converts a geometry to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1083
QgsArcGisRestUtils::serviceTypeFromString
static Qgis::ArcGisRestServiceType serviceTypeFromString(const QString &type)
Converts a string value to a REST service type.
Definition qgsarcgisrestutils.cpp:1697
QgsArcGisRestUtils::convertGeometry
static QgsAbstractGeometry * convertGeometry(const QVariantMap &geometry, const QString &esriGeometryType, bool hasM, bool hasZ, QgsCoordinateReferenceSystem *crs=nullptr)
Converts an ESRI REST geometry JSON definition to a QgsAbstractGeometry.
Definition qgsarcgisrestutils.cpp:464
QgsArcGisRestUtils::variantToAttributeValue
static QVariant variantToAttributeValue(const QVariant &variant, QVariant::Type expectedType, const QgsArcGisRestContext &context)
Converts a variant to a REST attribute value.
Definition qgsarcgisrestutils.cpp:1609
QgsArcGisRestUtils::featureToJson
static QVariantMap featureToJson(const QgsFeature &feature, const QgsArcGisRestContext &context, const QgsCoordinateReferenceSystem &crs=QgsCoordinateReferenceSystem(), QgsArcGisRestUtils::FeatureToJsonFlags flags=QgsArcGisRestUtils::FeatureToJsonFlags(static_cast< int >(QgsArcGisRestUtils::FeatureToJsonFlag::IncludeGeometry)|static_cast< int >(QgsArcGisRestUtils::FeatureToJsonFlag::IncludeNonObjectIdAttributes)))
Flags which control the behavior of converting features to JSON.
Definition qgsarcgisrestutils.cpp:1587
QgsArcGisRestUtils::convertLineStyle
static Qt::PenStyle convertLineStyle(const QString &style)
Converts an ESRI line style to a Qt pen style.
Definition qgsarcgisrestutils.cpp:1001
QgsArcGisRestUtils::FeatureToJsonFlag::IncludeGeometry
@ IncludeGeometry
Whether to include the geometry definition.
QgsArcGisRestUtils::FeatureToJsonFlag::IncludeNonObjectIdAttributes
@ IncludeNonObjectIdAttributes
Whether to include any non-objectId attributes.
QgsArcGisRestUtils::convertRenderer
static QgsFeatureRenderer * convertRenderer(const QVariantMap &rendererData)
Converts renderer JSON data to an equivalent QgsFeatureRenderer.
Definition qgsarcgisrestutils.cpp:886
QgsArcGisRestUtils::convertFillStyle
static Qt::BrushStyle convertFillStyle(const QString &style)
Converts an ESRI fill style to a Qt brush style.
Definition qgsarcgisrestutils.cpp:1019
QgsArcGisRestUtils::convertFieldType
static QVariant::Type convertFieldType(const QString &type)
Converts an ESRI REST field type to a QVariant type.
Definition qgsarcgisrestutils.cpp:49
QgsArcGisRestUtils::crsToJson
static QVariantMap crsToJson(const QgsCoordinateReferenceSystem &crs)
Converts a crs to an ArcGIS REST JSON representation.
Definition qgsarcgisrestutils.cpp:1557
QgsArcGisRestUtils::convertLabeling
static QgsAbstractVectorLayerLabeling * convertLabeling(const QVariantList &data)
Converts labeling JSON data to an equivalent QGIS vector labeling.
Definition qgsarcgisrestutils.cpp:751
QgsArcGisRestUtils::convertColor
static QColor convertColor(const QVariant &data)
Converts ESRI JSON color data to a QColor object.
Definition qgsarcgisrestutils.cpp:988
QgsArcGisRestUtils::convertRectangle
static QgsRectangle convertRectangle(const QVariant &value)
Converts a rectangle value to a QgsRectangle.
Definition qgsarcgisrestutils.cpp:1056
QgsCircularString
Circular string geometry type.
Definition qgscircularstring.h:34
QgsCircularString::startPoint
QgsPoint startPoint() const override
Returns the starting point of the curve.
Definition qgscircularstring.cpp:594
QgsCircularString::isEmpty
bool isEmpty() const override
Returns true if the geometry is empty.
Definition qgscircularstring.cpp:567
QgsCircularString::numPoints
int numPoints() const override
Returns the number of points in the curve.
Definition qgscircularstring.cpp:691
QgsCircularString::pointN
QgsPoint pointN(int i) const
Returns the point at index i within the circular string.
Definition qgscircularstring.cpp:736
QgsCompoundCurve
Compound curve geometry type.
Definition qgscompoundcurve.h:31
QgsCompoundCurve::reversed
QgsCompoundCurve * reversed() const override
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
Definition qgscompoundcurve.cpp:1270
QgsCompoundCurve::nCurves
int nCurves() const
Returns the number of curves in the geometry.
Definition qgscompoundcurve.h:132
QgsCompoundCurve::curveAt
const QgsCurve * curveAt(int i) const
Returns the curve at the specified index.
Definition qgscompoundcurve.cpp:553
QgsCompoundCurve::startPoint
QgsPoint startPoint() const override
Returns the starting point of the curve.
Definition qgscompoundcurve.cpp:359
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition qgscoordinatereferencesystem.h:212
QgsCoordinateReferenceSystem::isValid
bool isValid() const
Returns whether this CRS is correctly initialized and usable.
Definition qgscoordinatereferencesystem.cpp:983
QgsCoordinateReferenceSystem::createFromWkt
bool createFromWkt(const QString &wkt)
Sets this CRS using a WKT definition.
Definition qgscoordinatereferencesystem.cpp:905
QgsCoordinateReferenceSystem::createFromString
bool createFromString(const QString &definition)
Set up this CRS from a string definition.
Definition qgscoordinatereferencesystem.cpp:271
QgsCoordinateReferenceSystem::toWkt
QString toWkt(Qgis::CrsWktVariant variant=Qgis::CrsWktVariant::Wkt1Gdal, bool multiline=false, int indentationWidth=4) const
Returns a WKT representation of this CRS.
Definition qgscoordinatereferencesystem.cpp:1925
QgsCurvePolygon
Curve polygon geometry type.
Definition qgscurvepolygon.h:35
QgsCurvePolygon::numInteriorRings
int numInteriorRings() const
Returns the number of interior rings contained with the curve polygon.
Definition qgscurvepolygon.h:158
QgsCurvePolygon::exteriorRing
const QgsCurve * exteriorRing() const
Returns the curve polygon's exterior ring.
Definition qgscurvepolygon.h:168
QgsCurvePolygon::interiorRing
const QgsCurve * interiorRing(int i) const
Retrieves an interior ring from the curve polygon.
Definition qgscurvepolygon.h:194
QgsCurvePolygon::setExteriorRing
virtual void setExteriorRing(QgsCurve *ring)
Sets the exterior ring of the polygon.
Definition qgscurvepolygon.cpp:660
QgsCurvePolygon::addInteriorRing
virtual void addInteriorRing(QgsCurve *ring)
Adds an interior ring to the geometry (takes ownership)
Definition qgscurvepolygon.cpp:707
QgsCurve
Abstract base class for curved geometry type.
Definition qgscurve.h:35
QgsCurve::orientation
Qgis::AngularDirection orientation() const
Returns the curve's orientation, e.g.
Definition qgscurve.cpp:286
QgsCurve::reversed
virtual QgsCurve * reversed() const =0
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
QgsCurve::endPoint
virtual QgsPoint endPoint() const =0
Returns the end point of the curve.
QgsExpression
Class for parsing and evaluation of expressions (formerly called "search strings").
Definition qgsexpression.h:190
QgsExpression::isValid
bool isValid() const
Checks if this expression is valid.
Definition qgsexpression.cpp:221
QgsFeature
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Definition qgsfeature.h:56
QgsFeature::fields
QgsFields fields
Definition qgsfeature.h:66
QgsFeature::geometry
QgsGeometry geometry
Definition qgsfeature.h:67
QgsFeature::hasGeometry
bool hasGeometry() const
Returns true if the feature has an associated geometry.
Definition qgsfeature.cpp:230
QgsFeature::attribute
QVariant attribute(const QString &name) const
Lookup attribute value by attribute name.
Definition qgsfeature.cpp:335
QgsFieldConstraints::ConstraintNotNull
@ ConstraintNotNull
Field may not be null.
Definition qgsfieldconstraints.h:45
QgsField
Encapsulate a field in an attribute table or data source.
Definition qgsfield.h:53
QgsField::name
QString name
Definition qgsfield.h:62
QgsField::type
QVariant::Type type
Definition qgsfield.h:60
QgsField::alias
QString alias
Definition qgsfield.h:63
QgsField::constraints
QgsFieldConstraints constraints
Definition qgsfield.h:65
QgsFields
Container of fields for a vector layer.
Definition qgsfields.h:45
QgsGeometryCollection::numGeometries
int numGeometries() const
Returns the number of geometries within the collection.
Definition qgsgeometrycollection.h:120
QgsGeometryCollection::geometryN
const QgsAbstractGeometry * geometryN(int n) const
Returns a const reference to a geometry from within the collection.
Definition qgsgeometrycollection.h:148
QgsGeometry
A geometry is the spatial representation of a feature.
Definition qgsgeometry.h:162
QgsGeometry::constGet
const QgsAbstractGeometry * constGet() const
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
Definition qgsgeometry.cpp:124
QgsGeometry::createGeometryEngine
static QgsGeometryEngine * createGeometryEngine(const QgsAbstractGeometry *geometry, double precision=0.0)
Creates and returns a new geometry engine representing the specified geometry using precision on a gr...
Definition qgsgeometry.cpp:4314
QgsLabelLineSettings::setPlacementFlags
void setPlacementFlags(Qgis::LabelLinePlacementFlags flags)
Returns the line placement flags, which dictate how line labels can be placed above or below the line...
Definition qgslabellinesettings.h:104
QgsLineString
Line string geometry type, with support for z-dimension and m-values.
Definition qgslinestring.h:45
QgsLineString::yData
const double * yData() const
Returns a const pointer to the y vertex data.
Definition qgslinestring.h:546
QgsLineString::xData
const double * xData() const
Returns a const pointer to the x vertex data.
Definition qgslinestring.h:535
QgsLineString::zData
const double * zData() const
Returns a const pointer to the z vertex data, or nullptr if the linestring does not have z values.
Definition qgslinestring.h:559
QgsLineString::numPoints
int numPoints() const override
Returns the number of points in the curve.
Definition qgslinestring.cpp:1038
QgsLineString::reversed
QgsLineString * reversed() const override
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
Definition qgslinestring.cpp:1335
QgsLineString::mData
const double * mData() const
Returns a const pointer to the m vertex data, or nullptr if the linestring does not have m values.
Definition qgslinestring.h:575
QgsMultiCurve
Multi curve geometry collection.
Definition qgsmulticurve.h:29
QgsMultiCurve::curveN
QgsCurve * curveN(int index)
Returns the curve with the specified index.
Definition qgsmulticurve.cpp:34
QgsMultiLineString
Multi line string geometry collection.
Definition qgsmultilinestring.h:31
QgsMultiLineString::lineStringN
QgsLineString * lineStringN(int index)
Returns the line string with the specified index.
Definition qgsmultilinestring.cpp:34
QgsMultiPoint
Multi point geometry collection.
Definition qgsmultipoint.h:29
QgsMultiPoint::pointN
QgsPoint * pointN(int index)
Returns the point with the specified index.
Definition qgsmultipoint.cpp:111
QgsMultiPolygon
Multi polygon geometry collection.
Definition qgsmultipolygon.h:31
QgsMultiPolygon::polygonN
QgsPolygon * polygonN(int index)
Returns the polygon with the specified index.
Definition qgsmultipolygon.cpp:31
QgsMultiSurface
Multi surface geometry collection.
Definition qgsmultisurface.h:32
QgsPalLayerSettings
Contains settings for how a map layer will be labeled.
Definition qgspallabeling.h:87
QgsPalLayerSettings::setFormat
void setFormat(const QgsTextFormat &format)
Sets the label text formatting settings, e.g., font settings, buffer settings, etc.
Definition qgspallabeling.h:732
QgsPalLayerSettings::placement
Qgis::LabelPlacement placement
Label placement mode.
Definition qgspallabeling.h:386
QgsPalLayerSettings::quadOffset
Qgis::LabelQuadrantPosition quadOffset
Sets the quadrant in which to offset labels from feature.
Definition qgspallabeling.h:478
QgsPalLayerSettings::isExpression
bool isExpression
true if this label is made from a expression string, e.g., FieldName || 'mm'
Definition qgspallabeling.h:312
QgsPalLayerSettings::lineSettings
const QgsLabelLineSettings & lineSettings() const
Returns the label line settings, which contain settings related to how the label engine places and fo...
Definition qgspallabeling.h:762
QgsPalLayerSettings::fieldName
QString fieldName
Name of field (or an expression) to use for label text.
Definition qgspallabeling.h:306
QgsPoint
Point geometry type, with support for z-dimension and m-values.
Definition qgspoint.h:49
QgsPoint::clear
void clear() override
Clears the geometry, ie reset it to a null geometry.
Definition qgspoint.cpp:356
QgsPoint::z
double z
Definition qgspoint.h:54
QgsPoint::x
double x
Definition qgspoint.h:52
QgsPoint::isEmpty
bool isEmpty() const override
Returns true if the geometry is empty.
Definition qgspoint.cpp:733
QgsPoint::m
double m
Definition qgspoint.h:55
QgsPoint::y
double y
Definition qgspoint.h:53
QgsPolygon
Polygon geometry type.
Definition qgspolygon.h:33
QgsRectangle
A rectangle specified with double values.
Definition qgsrectangle.h:42
QgsRectangle::intersects
bool intersects(const QgsRectangle &rect) const
Returns true when rectangle intersects with other rectangle.
Definition qgsrectangle.h:371
QgsRendererCategory
Represents an individual category (class) from a QgsCategorizedSymbolRenderer.
Definition qgscategorizedsymbolrenderer.h:36
QgsRuleBasedLabeling::Rule
A child rule for QgsRuleBasedLabeling.
Definition qgsrulebasedlabeling.h:54
QgsRuleBasedLabeling::Rule::setActive
void setActive(bool state)
Sets if this rule is active.
Definition qgsrulebasedlabeling.h:172
QgsRuleBasedLabeling::Rule::appendChild
void appendChild(QgsRuleBasedLabeling::Rule *rule)
add child rule, take ownership, sets this as parent
Definition qgsrulebasedlabeling.cpp:180
QgsRuleBasedLabeling
Rule based labeling for a vector layer.
Definition qgsrulebasedlabeling.h:42
QgsSymbol
Abstract base class for all rendered symbols.
Definition qgssymbol.h:94
QgsTextBufferSettings
Container for settings relating to a text buffer.
Definition qgstextbuffersettings.h:42
QgsTextBufferSettings::setColor
void setColor(const QColor &color)
Sets the color for the buffer.
Definition qgstextbuffersettings.cpp:120
QgsTextBufferSettings::setSizeUnit
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units used for the buffer size.
Definition qgstextbuffersettings.cpp:100
QgsTextBufferSettings::setEnabled
void setEnabled(bool enabled)
Sets whether the text buffer will be drawn.
Definition qgstextbuffersettings.cpp:80
QgsTextBufferSettings::setSize
void setSize(double size)
Sets the size of the buffer.
Definition qgstextbuffersettings.cpp:90
QgsTextFormat
Container for all settings relating to text rendering.
Definition qgstextformat.h:41
QgsTextFormat::setColor
void setColor(const QColor &color)
Sets the color that text will be rendered in.
Definition qgstextformat.cpp:305
QgsTextFormat::setSize
void setSize(double size)
Sets the size for rendered text.
Definition qgstextformat.cpp:294
QgsTextFormat::setFont
void setFont(const QFont &font)
Sets the font used for rendering text.
Definition qgstextformat.cpp:210
QgsTextFormat::setSizeUnit
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units for the size of rendered text.
Definition qgstextformat.cpp:272
QgsTextFormat::setBuffer
void setBuffer(const QgsTextBufferSettings &bufferSettings)
Sets the text's buffer settings.
Definition qgstextformat.cpp:121
QgsVariantUtils::isNull
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
Definition qgsvariantutils.cpp:164
QgsWkbTypes::zmType
static Qgis::WkbType zmType(Qgis::WkbType type, bool hasZ, bool hasM)
Returns the modified input geometry type according to hasZ / hasM.
Definition qgswkbtypes.h:727
QgsWkbTypes::hasZ
static bool hasZ(Qgis::WkbType type)
Tests whether a WKB type contains the z-dimension.
Definition qgswkbtypes.h:973
QgsWkbTypes::hasM
static bool hasM(Qgis::WkbType type)
Tests whether a WKB type contains m values.
Definition qgswkbtypes.h:1023
QgsWkbTypes::flatType
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
Definition qgswkbtypes.h:628
qgsDoubleNear
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
Definition qgis.h:5144
QgsCategoryList
QList< QgsRendererCategory > QgsCategoryList
Definition qgscategorizedsymbolrenderer.h:165
QgsDebugError
#define QgsDebugError(str)
Definition qgslogger.h:38
QgsSymbolLayerList
QList< QgsSymbolLayer * > QgsSymbolLayerList
Definition qgssymbol.h:30
crs
const QgsCoordinateReferenceSystem & crs
Definition qgswfsgetfeature.cpp:53
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