Marble::StackedTileLoader
#include <StackedTileLoader.h>

Signals | |
void | cleared () |
void | tileLoaded (TileId const &tileId) |
Public Member Functions | |
StackedTileLoader (MergedLayerDecorator *mergedLayerDecorator, QObject *parent=nullptr) | |
void | cleanupTilehash () |
void | clear () |
const StackedTile * | loadTile (TileId const &stackedTileId) |
RenderState | renderState () const |
void | resetTilehash () |
void | setVolatileCacheLimit (quint64 kiloBytes) |
int | tileColumnCount (int level) const |
int | tileCount () const |
const GeoSceneAbstractTileProjection * | tileProjection () const |
int | tileRowCount (int level) const |
QSize | tileSize () const |
void | updateTile (TileId const &tileId, QImage const &tileImage) |
QList< TileId > | visibleTiles () const |
quint64 | volatileCacheLimit () const |
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QObject (QObject *parent) | |
bool | blockSignals (bool block) |
const QObjectList & | children () const const |
QMetaObject::Connection | connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const const |
void | deleteLater () |
void | destroyed (QObject *obj) |
bool | disconnect (const char *signal, const QObject *receiver, const char *method) const const |
bool | disconnect (const QObject *receiver, const char *method) const const |
void | dumpObjectInfo () |
void | dumpObjectInfo () const const |
void | dumpObjectTree () |
void | dumpObjectTree () const const |
QList< QByteArray > | dynamicPropertyNames () const const |
virtual bool | event (QEvent *e) |
virtual bool | eventFilter (QObject *watched, QEvent *event) |
T | findChild (const QString &name, Qt::FindChildOptions options) const const |
QList< T > | findChildren (const QRegExp ®Exp, Qt::FindChildOptions options) const const |
QList< T > | findChildren (const QRegularExpression &re, Qt::FindChildOptions options) const const |
QList< T > | findChildren (const QString &name, Qt::FindChildOptions options) const const |
bool | inherits (const char *className) const const |
void | installEventFilter (QObject *filterObj) |
bool | isWidgetType () const const |
bool | isWindowType () const const |
void | killTimer (int id) |
virtual const QMetaObject * | metaObject () const const |
void | moveToThread (QThread *targetThread) |
QString | objectName () const const |
void | objectNameChanged (const QString &objectName) |
QObject * | parent () const const |
QVariant | property (const char *name) const const |
Q_CLASSINFO (Name, Value) | |
Q_DISABLE_COPY (Class) | |
Q_DISABLE_COPY_MOVE (Class) | |
Q_DISABLE_MOVE (Class) | |
Q_EMIT Q_EMIT | |
Q_ENUM (...) | |
Q_ENUM_NS (...) | |
Q_ENUMS (...) | |
Q_FLAG (...) | |
Q_FLAG_NS (...) | |
Q_FLAGS (...) | |
Q_GADGET Q_GADGET | |
Q_INTERFACES (...) | |
Q_INVOKABLE Q_INVOKABLE | |
Q_NAMESPACE Q_NAMESPACE | |
Q_NAMESPACE_EXPORT (EXPORT_MACRO) | |
Q_OBJECT Q_OBJECT | |
Q_PROPERTY (...) | |
Q_REVISION Q_REVISION | |
Q_SET_OBJECT_NAME (Object) | |
Q_SIGNAL Q_SIGNAL | |
Q_SIGNALS Q_SIGNALS | |
Q_SLOT Q_SLOT | |
Q_SLOTS Q_SLOTS | |
T | qFindChild (const QObject *obj, const QString &name) |
QList< T > | qFindChildren (const QObject *obj, const QRegExp ®Exp) |
QList< T > | qFindChildren (const QObject *obj, const QString &name) |
T | qobject_cast (const QObject *object) |
T | qobject_cast (QObject *object) |
QT_NO_NARROWING_CONVERSIONS_IN_CONNECT QT_NO_NARROWING_CONVERSIONS_IN_CONNECT | |
void | removeEventFilter (QObject *obj) |
void | setObjectName (const QString &name) |
void | setParent (QObject *parent) |
bool | setProperty (const char *name, const QVariant &value) |
bool | signalsBlocked () const const |
int | startTimer (int interval, Qt::TimerType timerType) |
int | startTimer (std::chrono::milliseconds time, Qt::TimerType timerType) |
QThread * | thread () const const |
Additional Inherited Members | |
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objectName | |
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QMetaObject::Connection | connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type) |
QMetaObject::Connection | connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type) |
QMetaObject::Connection | connect (const QObject *sender, PointerToMemberFunction signal, const QObject *context, Functor functor, Qt::ConnectionType type) |
QMetaObject::Connection | connect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method, Qt::ConnectionType type) |
QMetaObject::Connection | connect (const QObject *sender, PointerToMemberFunction signal, Functor functor) |
bool | disconnect (const QMetaObject::Connection &connection) |
bool | disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *method) |
bool | disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method) |
bool | disconnect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method) |
QString | tr (const char *sourceText, const char *disambiguation, int n) |
QString | trUtf8 (const char *sourceText, const char *disambiguation, int n) |
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typedef | QObjectList |
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virtual void | childEvent (QChildEvent *event) |
virtual void | connectNotify (const QMetaMethod &signal) |
virtual void | customEvent (QEvent *event) |
virtual void | disconnectNotify (const QMetaMethod &signal) |
bool | isSignalConnected (const QMetaMethod &signal) const const |
int | receivers (const char *signal) const const |
QObject * | sender () const const |
int | senderSignalIndex () const const |
virtual void | timerEvent (QTimerEvent *event) |
Detailed Description
Tile loading from a quad tree.
This class loads tiles into memory. For faster access we keep the tileIDs and their respective pointers to the tiles in a hashtable. The class also contains convenience methods to remove entries from the hashtable and to return more detailed properties about each tile level and their tiles.
Definition at line 44 of file StackedTileLoader.h.
Constructor & Destructor Documentation
◆ StackedTileLoader()
|
explicit |
Creates a new tile loader.
- Parameters
-
mergedLayerDecorator The decorator that shall be used to decorate the layer. parent The parent widget.
Definition at line 43 of file StackedTileLoader.cpp.
Member Function Documentation
◆ cleanupTilehash()
void Marble::StackedTileLoader::cleanupTilehash | ( | ) |
Cleans up the internal tile hash.
Removes all superfluous tiles from the hash.
Definition at line 85 of file StackedTileLoader.cpp.
◆ clear()
void Marble::StackedTileLoader::clear | ( | ) |
Effectively triggers a reload of all tiles that are currently in use and clears the tile cache in physical memory.
Definition at line 205 of file StackedTileLoader.cpp.
◆ loadTile()
const StackedTile * Marble::StackedTileLoader::loadTile | ( | TileId const & | stackedTileId | ) |
Loads a tile and returns it.
- Parameters
-
stackedTileId The Id of the requested tile, containing the x and y coordinate and the zoom level.
Definition at line 103 of file StackedTileLoader.cpp.
◆ resetTilehash()
void Marble::StackedTileLoader::resetTilehash | ( | ) |
Resets the internal tile hash.
Definition at line 75 of file StackedTileLoader.cpp.
◆ setVolatileCacheLimit()
void Marble::StackedTileLoader::setVolatileCacheLimit | ( | quint64 | kiloBytes | ) |
Set the limit of the volatile (in RAM) cache.
- Parameters
-
kiloBytes The limit in kilobytes.
Definition at line 167 of file StackedTileLoader.cpp.
◆ tileCount()
int Marble::StackedTileLoader::tileCount | ( | ) | const |
Return the number of tiles in the cache.
- Returns
- number of tiles in cache
Definition at line 162 of file StackedTileLoader.cpp.
◆ visibleTiles()
QList< TileId > Marble::StackedTileLoader::visibleTiles | ( | ) | const |
Reloads the tiles that are currently displayed.
Definition at line 157 of file StackedTileLoader.cpp.
◆ volatileCacheLimit()
quint64 Marble::StackedTileLoader::volatileCacheLimit | ( | ) | const |
Returns the limit of the volatile (in RAM) cache.
- Returns
- the cache limit in kilobytes
Definition at line 152 of file StackedTileLoader.cpp.
The documentation for this class was generated from the following files:
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