Specific internal feedback class to provide preview of raster layer rendering. More...
#include <qgsrasterlayerrenderer.h>
Inheritance diagram for QgsRasterLayerRenderer::Feedback:
Public Member Functions | |
| Feedback (QgsRasterLayerRenderer *r) | |
| Create feedback object based on our layer renderer. More... | |
| virtual void | onNewData () override |
| when notified of new data in data provider it launches a preview draw of the raster More... | |
 Public Member Functions inherited from QgsRasterBlockFeedback | |
| QgsRasterBlockFeedback (QObject *parent=nullptr) | |
| Construct a new raster block feedback object. More... | |
| bool | isPreviewOnly () const |
| Whether the raster provider should return only data that are already available without waiting for full result. More... | |
| bool | renderPartialOutput () const |
| Whether our painter is drawing to a temporary image used just by this layer. More... | |
| void | setPreviewOnly (bool preview) |
| set flag whether the block request is for preview purposes only More... | |
| void | setRenderPartialOutput (bool enable) |
| Set whether our painter is drawing to a temporary image used just by this layer. More... | |
| Public Member Functions inherited from QgsFeedback | |
| QgsFeedback (QObject *parent=nullptr) | |
| Construct a feedback object. More... | |
| virtual | ~QgsFeedback () |
| void | cancel () |
| Tells the internal routines that the current operation should be cancelled. This should be run by the main thread. More... | |
| bool | isCancelled () const |
| Tells whether the operation has been cancelled already. More... | |
| Public Member Functions inherited from QObject | |
| QObject (QObject *parent) | |
| QObject (QObject *parent, const char *name) | |
| virtual | ~QObject () |
| bool | blockSignals (bool block) |
| QObject * | child (const char *objName, const char *inheritsClass, bool recursiveSearch) const |
| const QObjectList & | children () const |
| const char * | className () const |
| bool | connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const |
| void | deleteLater () |
| void | destroyed (QObject *obj) |
| bool | disconnect (const QObject *receiver, const char *method) |
| bool | disconnect (const char *signal, const QObject *receiver, const char *method) |
| void | dumpObjectInfo () |
| void | dumpObjectTree () |
| QList< QByteArray > | dynamicPropertyNames () const |
| virtual bool | event (QEvent *e) |
| virtual bool | eventFilter (QObject *watched, QEvent *event) |
| T | findChild (const QString &name) const |
| QList< T > | findChildren (const QRegExp ®Exp) const |
| QList< T > | findChildren (const QString &name) const |
| bool | inherits (const char *className) const |
| void | insertChild (QObject *object) |
| void | installEventFilter (QObject *filterObj) |
| bool | isA (const char *className) const |
| bool | isWidgetType () const |
| void | killTimer (int id) |
| virtual const QMetaObject * | metaObject () const |
| void | moveToThread (QThread *targetThread) |
| const char * | name () const |
| const char * | name (const char *defaultName) const |
| QString | objectName () const |
| QObject * | parent () const |
| QVariant | property (const char *name) const |
| void | removeChild (QObject *object) |
| void | removeEventFilter (QObject *obj) |
| void | setName (const char *name) |
| void | setObjectName (const QString &name) |
| void | setParent (QObject *parent) |
| bool | setProperty (const char *name, const QVariant &value) |
| bool | signalsBlocked () const |
| int | startTimer (int interval) |
| QThread * | thread () const |
Additional Inherited Members | |
| Signals inherited from QgsFeedback | |
| void | cancelled () |
| Internal routines can connect to this signal if they use event loop. More... | |
| Static Public Member Functions inherited from QObject | |
| bool | connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type) |
| bool | connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type) |
| 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) |
| QString | tr (const char *sourceText, const char *disambiguation, int n) |
| QString | trUtf8 (const char *sourceText, const char *disambiguation, int n) |
| Protected Member Functions inherited from QObject | |
| bool | checkConnectArgs (const char *signal, const QObject *object, const char *method) |
| virtual void | childEvent (QChildEvent *event) |
| virtual void | connectNotify (const char *signal) |
| virtual void | customEvent (QEvent *event) |
| virtual void | disconnectNotify (const char *signal) |
| int | receivers (const char *signal) const |
| QObject * | sender () const |
| int | senderSignalIndex () const |
| virtual void | timerEvent (QTimerEvent *event) |
| Static Protected Member Functions inherited from QObject | |
| QByteArray | normalizeSignalSlot (const char *signalSlot) |
| Properties inherited from QObject | |
| objectName | |
Detailed Description
Specific internal feedback class to provide preview of raster layer rendering.
- Note
- added in 2.18
- not available in Python bindings
Definition at line 65 of file qgsrasterlayerrenderer.h.
Constructor & Destructor Documentation
◆ Feedback()
|
explicit |
Create feedback object based on our layer renderer.
Definition at line 242 of file qgsrasterlayerrenderer.cpp.
Member Function Documentation
◆ onNewData()
|
overridevirtual |
when notified of new data in data provider it launches a preview draw of the raster
Reimplemented from QgsRasterBlockFeedback.
Definition at line 249 of file qgsrasterlayerrenderer.cpp.
The documentation for this class was generated from the following files:
- /tmp/buildd/qgis-2.18.21+99unstable/src/core/raster/qgsrasterlayerrenderer.h
- /tmp/buildd/qgis-2.18.21+99unstable/src/core/raster/qgsrasterlayerrenderer.cpp
