| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2020 Paolo Angelelli <paolo.angelelli@gmail.com> |
| 4 | ** Copyright (C) 2020 The Qt Company Ltd. |
| 5 | ** Contact: http://www.qt.io/licensing/ |
| 6 | ** |
| 7 | ** This file is part of the QtLocation module of the Qt Toolkit. |
| 8 | ** |
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| 18 | ** GNU Lesser General Public License Usage |
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| 26 | ** GNU General Public License Usage |
| 27 | ** Alternatively, this file may be used under the terms of the GNU |
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| 36 | ****************************************************************************/ |
| 37 | |
| 38 | #ifndef QDECLARATIVEPOLYGONMAPITEM_P_P_H |
| 39 | #define QDECLARATIVEPOLYGONMAPITEM_P_P_H |
| 40 | |
| 41 | // |
| 42 | // W A R N I N G |
| 43 | // ------------- |
| 44 | // |
| 45 | // This file is not part of the Qt API. It exists purely as an |
| 46 | // implementation detail. This header file may change from version to |
| 47 | // version without notice, or even be removed. |
| 48 | // |
| 49 | // We mean it. |
| 50 | // |
| 51 | |
| 52 | #include <QtLocation/private/qlocationglobal_p.h> |
| 53 | #include <QtLocation/private/qgeomapitemgeometry_p.h> |
| 54 | #include <QtLocation/private/qdeclarativegeomapitembase_p.h> |
| 55 | #include <QtLocation/private/qdeclarativepolylinemapitem_p.h> |
| 56 | #include <QtLocation/private/qdeclarativegeomapitemutils_p.h> |
| 57 | #include <QtLocation/private/qdeclarativepolygonmapitem_p.h> |
| 58 | #include <QtLocation/private/qdeclarativepolylinemapitem_p_p.h> |
| 59 | #include <QSGGeometryNode> |
| 60 | #include <QSGFlatColorMaterial> |
| 61 | #include <QtPositioning/QGeoPath> |
| 62 | #include <QtPositioning/QGeoRectangle> |
| 63 | #include <QtPositioning/QGeoPolygon> |
| 64 | #include <QtPositioning/private/qdoublevector2d_p.h> |
| 65 | #include <QSGFlatColorMaterial> |
| 66 | #include <QSGSimpleMaterial> |
| 67 | #include <QtGui/QMatrix4x4> |
| 68 | #include <QColor> |
| 69 | #include <QList> |
| 70 | #include <QVector> |
| 71 | #include <QtCore/QScopedValueRollback> |
| 72 | |
| 73 | QT_BEGIN_NAMESPACE |
| 74 | |
| 75 | class Q_LOCATION_PRIVATE_EXPORT QGeoMapPolygonGeometry : public QGeoMapItemGeometry |
| 76 | { |
| 77 | public: |
| 78 | QGeoMapPolygonGeometry(); |
| 79 | |
| 80 | inline void setAssumeSimple(bool value) { assumeSimple_ = value; } |
| 81 | |
| 82 | void updateSourcePoints(const QGeoMap &map, |
| 83 | const QList<QDoubleVector2D> &path); |
| 84 | |
| 85 | void updateScreenPoints(const QGeoMap &map, qreal strokeWidth = 0.0); |
| 86 | |
| 87 | protected: |
| 88 | QPainterPath srcPath_; |
| 89 | bool assumeSimple_; |
| 90 | }; |
| 91 | |
| 92 | #if QT_CONFIG(opengl) |
| 93 | class Q_LOCATION_PRIVATE_EXPORT QGeoMapPolygonGeometryOpenGL : public QGeoMapItemGeometry |
| 94 | { |
| 95 | public: |
| 96 | typedef struct { |
| 97 | QList<QDoubleVector2D> wrappedBboxes; |
| 98 | } WrappedPolygon; |
| 99 | QGeoMapPolygonGeometryOpenGL(); |
| 100 | ~QGeoMapPolygonGeometryOpenGL() override {} |
| 101 | |
| 102 | // Temporary method for compatibility in MapCircleObject. Remove when MapObjects are ported. |
| 103 | void updateSourcePoints(const QGeoMap &map, |
| 104 | const QList<QDoubleVector2D> &path); |
| 105 | |
| 106 | void updateSourcePoints(const QGeoMap &map, |
| 107 | const QList<QGeoCoordinate> &perimeter); |
| 108 | |
| 109 | void updateSourcePoints(const QGeoMap &map, |
| 110 | const QGeoPolygon &poly); |
| 111 | |
| 112 | void updateSourcePoints(const QGeoMap &map, |
| 113 | const QGeoRectangle &rect); |
| 114 | |
| 115 | void updateScreenPoints(const QGeoMap &map, qreal strokeWidth = 0.0, const QColor &strokeColor = Qt::transparent); |
| 116 | void updateQuickGeometry(const QGeoProjectionWebMercator &p, qreal strokeWidth = 0.0); |
| 117 | |
| 118 | void allocateAndFillPolygon(QSGGeometry *geom) const |
| 119 | { |
| 120 | |
| 121 | |
| 122 | const QVector<QDeclarativeGeoMapItemUtils::vec2> &vx = m_screenVertices; |
| 123 | const QVector<quint32> &ix = m_screenIndices; |
| 124 | |
| 125 | geom->allocate(vertexCount: vx.size(), indexCount: ix.size()); |
| 126 | if (geom->indexType() == QSGGeometry::UnsignedShortType) { |
| 127 | quint16 *its = geom->indexDataAsUShort(); |
| 128 | for (int i = 0; i < ix.size(); ++i) |
| 129 | its[i] = ix[i]; |
| 130 | } else if (geom->indexType() == QSGGeometry::UnsignedIntType) { |
| 131 | quint32 *its = geom->indexDataAsUInt(); |
| 132 | for (int i = 0; i < ix.size(); ++i) |
| 133 | its[i] = ix[i]; |
| 134 | } |
| 135 | |
| 136 | QSGGeometry::Point2D *pts = geom->vertexDataAsPoint2D(); |
| 137 | for (int i = 0; i < vx.size(); ++i) |
| 138 | pts[i].set(nx: vx[i].x, ny: vx[i].y); |
| 139 | } |
| 140 | |
| 141 | QVector<QDeclarativeGeoMapItemUtils::vec2> m_screenVertices; |
| 142 | QVector<quint32> m_screenIndices; |
| 143 | QDoubleVector2D m_bboxLeftBoundWrapped; |
| 144 | QVector<WrappedPolygon> m_wrappedPolygons; |
| 145 | int m_wrapOffset; |
| 146 | }; |
| 147 | |
| 148 | class Q_LOCATION_PRIVATE_EXPORT MapPolygonShader : public QSGMaterialShader |
| 149 | { |
| 150 | public: |
| 151 | MapPolygonShader(); |
| 152 | |
| 153 | const char *vertexShader() const override { |
| 154 | return |
| 155 | "attribute highp vec4 vertex; \n" |
| 156 | "uniform highp mat4 qt_Matrix; \n" |
| 157 | "uniform highp mat4 mapProjection; \n" |
| 158 | "uniform highp vec3 center; \n" |
| 159 | "uniform highp vec3 center_lowpart; \n" |
| 160 | "uniform lowp float wrapOffset; \n" |
| 161 | "vec4 wrapped(in vec4 v) { return vec4(v.x + wrapOffset, v.y, 0.0, 1.0); }\n" |
| 162 | "void main() { \n" |
| 163 | " vec4 vtx = wrapped(vertex) - vec4(center, 0.0); \n" |
| 164 | " vtx = vtx - vec4(center_lowpart, 0.0); \n" |
| 165 | " gl_Position = qt_Matrix * mapProjection * vtx; \n" |
| 166 | "}" ; |
| 167 | } |
| 168 | |
| 169 | const char *fragmentShader() const override { |
| 170 | return |
| 171 | "uniform lowp vec4 color; \n" |
| 172 | "void main() { \n" |
| 173 | " gl_FragColor = color; \n" |
| 174 | "}" ; |
| 175 | } |
| 176 | |
| 177 | void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override; |
| 178 | char const *const *attributeNames() const override |
| 179 | { |
| 180 | static char const *const attr[] = { "vertex" , nullptr }; |
| 181 | return attr; |
| 182 | } |
| 183 | |
| 184 | private: |
| 185 | void initialize() override |
| 186 | { |
| 187 | m_matrix_id = program()->uniformLocation(name: "qt_Matrix" ); |
| 188 | m_color_id = program()->uniformLocation(name: "color" ); |
| 189 | m_mapProjection_id = program()->uniformLocation(name: "mapProjection" ); |
| 190 | m_center_id = program()->uniformLocation(name: "center" ); |
| 191 | m_center_lowpart_id = program()->uniformLocation(name: "center_lowpart" ); |
| 192 | m_wrapOffset_id = program()->uniformLocation(name: "wrapOffset" ); |
| 193 | } |
| 194 | int m_center_id; |
| 195 | int m_center_lowpart_id; |
| 196 | int m_mapProjection_id; |
| 197 | int m_matrix_id; |
| 198 | int m_color_id; |
| 199 | int m_wrapOffset_id; |
| 200 | }; |
| 201 | #endif // QT_CONFIG(opengl) |
| 202 | |
| 203 | class Q_LOCATION_PRIVATE_EXPORT MapPolygonMaterial : public QSGFlatColorMaterial |
| 204 | { |
| 205 | public: |
| 206 | MapPolygonMaterial() |
| 207 | : QSGFlatColorMaterial() |
| 208 | { |
| 209 | // Passing RequiresFullMatrix is essential in order to prevent the |
| 210 | // batch renderer from baking in simple, translate-only transforms into |
| 211 | // the vertex data. The shader will rely on the fact that |
| 212 | // vertexCoord.xy is the Shape-space coordinate and so no modifications |
| 213 | // are welcome. |
| 214 | setFlag(flags: Blending | RequiresFullMatrix | CustomCompileStep); |
| 215 | } |
| 216 | |
| 217 | QSGMaterialShader *createShader() const override; |
| 218 | |
| 219 | void setGeoProjection(const QMatrix4x4 &p) |
| 220 | { |
| 221 | m_geoProjection = p; |
| 222 | } |
| 223 | |
| 224 | QMatrix4x4 geoProjection() const |
| 225 | { |
| 226 | return m_geoProjection; |
| 227 | } |
| 228 | |
| 229 | void setCenter(const QDoubleVector3D &c) |
| 230 | { |
| 231 | m_center = c; |
| 232 | } |
| 233 | |
| 234 | QDoubleVector3D center() const |
| 235 | { |
| 236 | return m_center; |
| 237 | } |
| 238 | |
| 239 | int wrapOffset() const |
| 240 | { |
| 241 | return m_wrapOffset; |
| 242 | } |
| 243 | |
| 244 | void setWrapOffset(int wrapOffset) |
| 245 | { |
| 246 | m_wrapOffset = wrapOffset; |
| 247 | } |
| 248 | |
| 249 | int compare(const QSGMaterial *other) const override; |
| 250 | QSGMaterialType *type() const override; |
| 251 | |
| 252 | protected: |
| 253 | QMatrix4x4 m_geoProjection; |
| 254 | QDoubleVector3D m_center; |
| 255 | int m_wrapOffset = 0; |
| 256 | }; |
| 257 | |
| 258 | class Q_LOCATION_PRIVATE_EXPORT MapPolygonNode : public MapItemGeometryNode |
| 259 | { |
| 260 | |
| 261 | public: |
| 262 | MapPolygonNode(); |
| 263 | ~MapPolygonNode() override; |
| 264 | |
| 265 | void update(const QColor &fillColor, const QColor &borderColor, |
| 266 | const QGeoMapItemGeometry *fillShape, |
| 267 | const QGeoMapItemGeometry *borderShape); |
| 268 | private: |
| 269 | QSGFlatColorMaterial fill_material_; |
| 270 | MapPolylineNode *border_; |
| 271 | QSGGeometry geometry_; |
| 272 | }; |
| 273 | |
| 274 | #if QT_CONFIG(opengl) |
| 275 | class Q_LOCATION_PRIVATE_EXPORT MapPolygonNodeGL : public MapItemGeometryNode |
| 276 | { |
| 277 | |
| 278 | public: |
| 279 | MapPolygonNodeGL(); |
| 280 | ~MapPolygonNodeGL() override; |
| 281 | |
| 282 | void update(const QColor &fillColor, |
| 283 | const QGeoMapPolygonGeometryOpenGL *fillShape, |
| 284 | const QMatrix4x4 &geoProjection, |
| 285 | const QDoubleVector3D ¢er); |
| 286 | |
| 287 | MapPolygonMaterial fill_material_; |
| 288 | QSGGeometry geometry_; |
| 289 | }; |
| 290 | #endif // QT_CONFIG(opengl) |
| 291 | |
| 292 | class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItemPrivate |
| 293 | { |
| 294 | public: |
| 295 | QDeclarativePolygonMapItemPrivate(QDeclarativePolygonMapItem &polygon) : m_poly(polygon) |
| 296 | { |
| 297 | |
| 298 | } |
| 299 | QDeclarativePolygonMapItemPrivate(QDeclarativePolygonMapItemPrivate &other) : m_poly(other.m_poly) |
| 300 | { |
| 301 | } |
| 302 | |
| 303 | virtual ~QDeclarativePolygonMapItemPrivate(); |
| 304 | virtual void onLinePropertiesChanged() = 0; |
| 305 | virtual void markSourceDirtyAndUpdate() = 0; |
| 306 | virtual void onMapSet() = 0; |
| 307 | virtual void onGeoGeometryChanged() = 0; |
| 308 | virtual void onGeoGeometryUpdated() = 0; |
| 309 | virtual void onItemGeometryChanged() = 0; |
| 310 | virtual void updatePolish() = 0; |
| 311 | virtual void afterViewportChanged() = 0; |
| 312 | virtual QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) = 0; |
| 313 | virtual bool contains(const QPointF &point) const = 0; |
| 314 | |
| 315 | QDeclarativePolygonMapItem &m_poly; |
| 316 | }; |
| 317 | |
| 318 | class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItemPrivateCPU: public QDeclarativePolygonMapItemPrivate |
| 319 | { |
| 320 | public: |
| 321 | QDeclarativePolygonMapItemPrivateCPU(QDeclarativePolygonMapItem &polygon) : QDeclarativePolygonMapItemPrivate(polygon) |
| 322 | { |
| 323 | } |
| 324 | |
| 325 | QDeclarativePolygonMapItemPrivateCPU(QDeclarativePolygonMapItemPrivate &other) |
| 326 | : QDeclarativePolygonMapItemPrivate(other) |
| 327 | { |
| 328 | } |
| 329 | |
| 330 | ~QDeclarativePolygonMapItemPrivateCPU() override; |
| 331 | void onLinePropertiesChanged() override |
| 332 | { |
| 333 | // mark dirty just in case we're a width change |
| 334 | markSourceDirtyAndUpdate(); |
| 335 | } |
| 336 | void markSourceDirtyAndUpdate() override |
| 337 | { |
| 338 | // preserveGeometry is cleared in updateMapItemPaintNode |
| 339 | m_geometry.markSourceDirty(); |
| 340 | m_borderGeometry.markSourceDirty(); |
| 341 | m_poly.polishAndUpdate(); |
| 342 | } |
| 343 | void regenerateCache() |
| 344 | { |
| 345 | if (!m_poly.map() || m_poly.map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) |
| 346 | return; |
| 347 | const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_poly.map()->geoProjection()); |
| 348 | m_geopathProjected.clear(); |
| 349 | m_geopathProjected.reserve(alloc: m_poly.m_geopoly.size()); |
| 350 | for (const QGeoCoordinate &c : m_poly.m_geopoly.path()) |
| 351 | m_geopathProjected << p.geoToMapProjection(coordinate: c); |
| 352 | } |
| 353 | void updateCache() |
| 354 | { |
| 355 | if (!m_poly.map() || m_poly.map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) |
| 356 | return; |
| 357 | const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_poly.map()->geoProjection()); |
| 358 | m_geopathProjected << p.geoToMapProjection(coordinate: m_poly.m_geopoly.path().last()); |
| 359 | } |
| 360 | void preserveGeometry() |
| 361 | { |
| 362 | m_geometry.setPreserveGeometry(value: true, geoLeftBound: m_poly.m_geopoly.boundingGeoRectangle().topLeft()); |
| 363 | m_borderGeometry.setPreserveGeometry(value: true, geoLeftBound: m_poly.m_geopoly.boundingGeoRectangle().topLeft()); |
| 364 | } |
| 365 | void afterViewportChanged() override |
| 366 | { |
| 367 | // preserveGeometry is cleared in updateMapItemPaintNode |
| 368 | preserveGeometry(); |
| 369 | markSourceDirtyAndUpdate(); |
| 370 | } |
| 371 | void onMapSet() override |
| 372 | { |
| 373 | regenerateCache(); |
| 374 | markSourceDirtyAndUpdate(); |
| 375 | } |
| 376 | void onGeoGeometryChanged() override |
| 377 | { |
| 378 | regenerateCache(); |
| 379 | preserveGeometry(); |
| 380 | markSourceDirtyAndUpdate(); |
| 381 | } |
| 382 | void onGeoGeometryUpdated() override |
| 383 | { |
| 384 | updateCache(); |
| 385 | preserveGeometry(); |
| 386 | markSourceDirtyAndUpdate(); |
| 387 | } |
| 388 | void onItemGeometryChanged() override |
| 389 | { |
| 390 | onGeoGeometryChanged(); |
| 391 | } |
| 392 | void updatePolish() override |
| 393 | { |
| 394 | if (m_poly.m_geopoly.path().length() == 0) { // Possibly cleared |
| 395 | m_geometry.clear(); |
| 396 | m_borderGeometry.clear(); |
| 397 | m_poly.setWidth(0); |
| 398 | m_poly.setHeight(0); |
| 399 | return; |
| 400 | } |
| 401 | const QGeoMap *map = m_poly.map(); |
| 402 | const qreal borderWidth = m_poly.m_border.width(); |
| 403 | const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(map->geoProjection()); |
| 404 | QScopedValueRollback<bool> rollback(m_poly.m_updatingGeometry); |
| 405 | m_poly.m_updatingGeometry = true; |
| 406 | |
| 407 | m_geometry.updateSourcePoints(map: *map, path: m_geopathProjected); |
| 408 | m_geometry.updateScreenPoints(map: *map, strokeWidth: borderWidth); |
| 409 | |
| 410 | QList<QGeoMapItemGeometry *> geoms; |
| 411 | geoms << &m_geometry; |
| 412 | m_borderGeometry.clear(); |
| 413 | |
| 414 | if (m_poly.m_border.color().alpha() != 0 && borderWidth > 0) { |
| 415 | QList<QDoubleVector2D> closedPath = m_geopathProjected; |
| 416 | closedPath << closedPath.first(); |
| 417 | |
| 418 | m_borderGeometry.setPreserveGeometry(value: true, geoLeftBound: m_poly.m_geopoly.boundingGeoRectangle().topLeft()); |
| 419 | |
| 420 | const QGeoCoordinate &geometryOrigin = m_geometry.origin(); |
| 421 | |
| 422 | m_borderGeometry.srcPoints_.clear(); |
| 423 | m_borderGeometry.srcPointTypes_.clear(); |
| 424 | |
| 425 | QDoubleVector2D borderLeftBoundWrapped; |
| 426 | QList<QList<QDoubleVector2D > > clippedPaths = m_borderGeometry.clipPath(map: *map, path: closedPath, leftBoundWrapped&: borderLeftBoundWrapped); |
| 427 | if (clippedPaths.size()) { |
| 428 | borderLeftBoundWrapped = p.geoToWrappedMapProjection(coordinate: geometryOrigin); |
| 429 | m_borderGeometry.pathToScreen(map: *map, clippedPaths, leftBoundWrapped: borderLeftBoundWrapped); |
| 430 | m_borderGeometry.updateScreenPoints(map: *map, strokeWidth: borderWidth); |
| 431 | |
| 432 | geoms << &m_borderGeometry; |
| 433 | } else { |
| 434 | m_borderGeometry.clear(); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | QRectF combined = QGeoMapItemGeometry::translateToCommonOrigin(geoms); |
| 439 | m_poly.setWidth(combined.width() + 2 * borderWidth); |
| 440 | m_poly.setHeight(combined.height() + 2 * borderWidth); |
| 441 | |
| 442 | m_poly.setPositionOnMap(coordinate: m_geometry.origin(), offset: -1 * m_geometry.sourceBoundingBox().topLeft() |
| 443 | + QPointF(borderWidth, borderWidth)); |
| 444 | } |
| 445 | QSGNode *updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override |
| 446 | { |
| 447 | Q_UNUSED(data); |
| 448 | if (!m_node || !oldNode) { |
| 449 | m_node = new MapPolygonNode(); |
| 450 | if (oldNode) { |
| 451 | delete oldNode; |
| 452 | oldNode = nullptr; |
| 453 | } |
| 454 | } else { |
| 455 | m_node = static_cast<MapPolygonNode *>(oldNode); |
| 456 | } |
| 457 | |
| 458 | //TODO: update only material |
| 459 | if (m_geometry.isScreenDirty() |
| 460 | || m_borderGeometry.isScreenDirty() |
| 461 | || m_poly.m_dirtyMaterial |
| 462 | || !oldNode) { |
| 463 | m_node->update(fillColor: m_poly.m_color, |
| 464 | borderColor: m_poly.m_border.color(), |
| 465 | fillShape: &m_geometry, |
| 466 | borderShape: &m_borderGeometry); |
| 467 | m_geometry.setPreserveGeometry(value: false); |
| 468 | m_borderGeometry.setPreserveGeometry(value: false); |
| 469 | m_geometry.markClean(); |
| 470 | m_borderGeometry.markClean(); |
| 471 | m_poly.m_dirtyMaterial = false; |
| 472 | } |
| 473 | return m_node; |
| 474 | } |
| 475 | bool contains(const QPointF &point) const override |
| 476 | { |
| 477 | return (m_geometry.contains(screenPoint: point) || m_borderGeometry.contains(point)); |
| 478 | } |
| 479 | |
| 480 | QList<QDoubleVector2D> m_geopathProjected; |
| 481 | QGeoMapPolygonGeometry m_geometry; |
| 482 | QGeoMapPolylineGeometry m_borderGeometry; |
| 483 | MapPolygonNode *m_node = nullptr; |
| 484 | }; |
| 485 | |
| 486 | #if QT_CONFIG(opengl) |
| 487 | class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItemPrivateOpenGL: public QDeclarativePolygonMapItemPrivate |
| 488 | { |
| 489 | public: |
| 490 | struct RootNode : public QSGNode /*QSGTransformNode*/, public VisibleNode |
| 491 | { |
| 492 | RootNode() { } |
| 493 | |
| 494 | bool isSubtreeBlocked() const override |
| 495 | { |
| 496 | return subtreeBlocked(); |
| 497 | } |
| 498 | }; |
| 499 | |
| 500 | QDeclarativePolygonMapItemPrivateOpenGL(QDeclarativePolygonMapItem &polygon) : QDeclarativePolygonMapItemPrivate(polygon) |
| 501 | { |
| 502 | } |
| 503 | |
| 504 | QDeclarativePolygonMapItemPrivateOpenGL(QDeclarativePolygonMapItemPrivate &other) |
| 505 | : QDeclarativePolygonMapItemPrivate(other) |
| 506 | { |
| 507 | } |
| 508 | |
| 509 | ~QDeclarativePolygonMapItemPrivateOpenGL() override; |
| 510 | |
| 511 | void markScreenDirtyAndUpdate() |
| 512 | { |
| 513 | // preserveGeometry is cleared in updateMapItemPaintNode |
| 514 | m_geometry.markScreenDirty(); |
| 515 | m_borderGeometry.markScreenDirty(); |
| 516 | m_poly.polishAndUpdate(); |
| 517 | } |
| 518 | void onLinePropertiesChanged() override |
| 519 | { |
| 520 | m_poly.m_dirtyMaterial = true; |
| 521 | afterViewportChanged(); |
| 522 | } |
| 523 | void markSourceDirtyAndUpdate() override |
| 524 | { |
| 525 | // preserveGeometry is cleared in updateMapItemPaintNode |
| 526 | m_geometry.markSourceDirty(); |
| 527 | m_borderGeometry.markSourceDirty(); |
| 528 | m_poly.polishAndUpdate(); |
| 529 | } |
| 530 | void preserveGeometry() |
| 531 | { |
| 532 | m_geometry.setPreserveGeometry(value: true, geoLeftBound: m_poly.m_geopoly.boundingGeoRectangle().topLeft()); |
| 533 | m_borderGeometry.setPreserveGeometry(value: true, geoLeftBound: m_poly.m_geopoly.boundingGeoRectangle().topLeft()); |
| 534 | } |
| 535 | void afterViewportChanged() override // This is called when the camera changes, or visibleArea changes. |
| 536 | { |
| 537 | // preserveGeometry is cleared in updateMapItemPaintNode |
| 538 | preserveGeometry(); |
| 539 | markScreenDirtyAndUpdate(); |
| 540 | } |
| 541 | void onMapSet() override |
| 542 | { |
| 543 | markSourceDirtyAndUpdate(); |
| 544 | } |
| 545 | void onGeoGeometryChanged() override |
| 546 | { |
| 547 | preserveGeometry(); |
| 548 | markSourceDirtyAndUpdate(); |
| 549 | } |
| 550 | void onGeoGeometryUpdated() override |
| 551 | { |
| 552 | preserveGeometry(); |
| 553 | markSourceDirtyAndUpdate(); |
| 554 | } |
| 555 | void onItemGeometryChanged() override |
| 556 | { |
| 557 | onGeoGeometryChanged(); |
| 558 | } |
| 559 | void updatePolish() override |
| 560 | { |
| 561 | if (m_poly.m_geopoly.path().length() == 0) { // Possibly cleared |
| 562 | m_geometry.clear(); |
| 563 | m_borderGeometry.clear(); |
| 564 | m_poly.setWidth(0); |
| 565 | m_poly.setHeight(0); |
| 566 | return; |
| 567 | } |
| 568 | |
| 569 | QScopedValueRollback<bool> rollback(m_poly.m_updatingGeometry); |
| 570 | m_poly.m_updatingGeometry = true; |
| 571 | const qreal lineWidth = m_poly.m_border.width(); |
| 572 | const QColor &lineColor = m_poly.m_border.color(); |
| 573 | const QColor &fillColor = m_poly.color(); |
| 574 | if (fillColor.alpha() != 0) { |
| 575 | m_geometry.updateSourcePoints(map: *m_poly.map(), poly: m_poly.m_geopoly); |
| 576 | m_geometry.markScreenDirty(); |
| 577 | m_geometry.updateScreenPoints(map: *m_poly.map(), strokeWidth: lineWidth, strokeColor: lineColor); |
| 578 | } else { |
| 579 | m_geometry.clearBounds(); |
| 580 | } |
| 581 | |
| 582 | QGeoMapItemGeometry * geom = &m_geometry; |
| 583 | m_borderGeometry.clearScreen(); |
| 584 | if (lineColor.alpha() != 0 && lineWidth > 0) { |
| 585 | m_borderGeometry.updateSourcePoints(map: *m_poly.map(), poly: m_poly.m_geopoly); |
| 586 | m_borderGeometry.markScreenDirty(); |
| 587 | m_borderGeometry.updateScreenPoints(map: *m_poly.map(), strokeWidth: lineWidth); |
| 588 | geom = &m_borderGeometry; |
| 589 | } |
| 590 | m_poly.setWidth(geom->sourceBoundingBox().width()); |
| 591 | m_poly.setHeight(geom->sourceBoundingBox().height()); |
| 592 | m_poly.setPosition(1.0 * geom->firstPointOffset() - QPointF(lineWidth * 0.5,lineWidth * 0.5)); |
| 593 | } |
| 594 | QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override |
| 595 | { |
| 596 | Q_UNUSED(data); |
| 597 | |
| 598 | if (!m_rootNode || !oldNode) { |
| 599 | m_rootNode = new RootNode(); |
| 600 | m_node = new MapPolygonNodeGL(); |
| 601 | m_rootNode->appendChildNode(node: m_node); |
| 602 | m_polylinenode = new MapPolylineNodeOpenGLExtruded(); |
| 603 | m_rootNode->appendChildNode(node: m_polylinenode); |
| 604 | m_rootNode->markDirty(bits: QSGNode::DirtyNodeAdded); |
| 605 | if (oldNode) |
| 606 | delete oldNode; |
| 607 | } else { |
| 608 | m_rootNode = static_cast<RootNode *>(oldNode); |
| 609 | } |
| 610 | |
| 611 | const QGeoMap *map = m_poly.map(); |
| 612 | const QMatrix4x4 &combinedMatrix = map->geoProjection().qsgTransform(); |
| 613 | const QDoubleVector3D &cameraCenter = map->geoProjection().centerMercator(); |
| 614 | |
| 615 | if (m_borderGeometry.isScreenDirty()) { |
| 616 | /* Do the border update first */ |
| 617 | m_polylinenode->update(fillColor: m_poly.m_border.color(), |
| 618 | lineWidth: float(m_poly.m_border.width()), |
| 619 | shape: &m_borderGeometry, |
| 620 | geoProjection: combinedMatrix, |
| 621 | center: cameraCenter, |
| 622 | capStyle: Qt::SquareCap, |
| 623 | closed: true, |
| 624 | zoom: 30); // No LOD for polygons just yet. |
| 625 | // First figure out what to do with holes. |
| 626 | m_borderGeometry.setPreserveGeometry(value: false); |
| 627 | m_borderGeometry.markClean(); |
| 628 | } else { |
| 629 | m_polylinenode->setSubtreeBlocked(true); |
| 630 | } |
| 631 | if (m_geometry.isScreenDirty()) { |
| 632 | m_node->update(fillColor: m_poly.m_color, |
| 633 | fillShape: &m_geometry, |
| 634 | geoProjection: combinedMatrix, |
| 635 | center: cameraCenter); |
| 636 | m_geometry.setPreserveGeometry(value: false); |
| 637 | m_geometry.markClean(); |
| 638 | } else { |
| 639 | m_node->setSubtreeBlocked(true); |
| 640 | } |
| 641 | |
| 642 | m_rootNode->setSubtreeBlocked(false); |
| 643 | return m_rootNode; |
| 644 | } |
| 645 | bool contains(const QPointF &point) const override |
| 646 | { |
| 647 | const qreal lineWidth = m_poly.m_border.width(); |
| 648 | const QColor &lineColor = m_poly.m_border.color(); |
| 649 | const QRectF &bounds = (lineColor.alpha() != 0 && lineWidth > 0) ? m_borderGeometry.sourceBoundingBox() : m_geometry.sourceBoundingBox(); |
| 650 | if (bounds.contains(p: point)) { |
| 651 | QDeclarativeGeoMap *m = m_poly.quickMap(); |
| 652 | if (m) { |
| 653 | const QGeoCoordinate crd = m->toCoordinate(position: m->mapFromItem(item: &m_poly, point)); |
| 654 | return m_poly.m_geopoly.contains(coordinate: crd) || m_borderGeometry.contains(point: m_poly.mapToItem(item: m_poly.quickMap(), point), |
| 655 | lineWidth: m_poly.border()->width(), |
| 656 | p: static_cast<const QGeoProjectionWebMercator&>(m_poly.map()->geoProjection())); |
| 657 | } else { |
| 658 | return true; |
| 659 | } |
| 660 | } |
| 661 | return false; |
| 662 | } |
| 663 | |
| 664 | QGeoMapPolygonGeometryOpenGL m_geometry; |
| 665 | QGeoMapPolylineGeometryOpenGL m_borderGeometry; |
| 666 | RootNode *m_rootNode = nullptr; |
| 667 | MapPolygonNodeGL *m_node = nullptr; |
| 668 | MapPolylineNodeOpenGLExtruded *m_polylinenode = nullptr; |
| 669 | }; |
| 670 | #endif // QT_CONFIG(opengl) |
| 671 | |
| 672 | QT_END_NAMESPACE |
| 673 | |
| 674 | #endif // QDECLARATIVEPOLYGONMAPITEM_P_P_H |
| 675 | |