QGIS API Documentation
3.14.0-Pi (9f7028fd23)
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#include <qgsmapoverviewcanvas.h>
Public Member Functions | |
QgsMapOverviewCanvas (QWidget *parent=nullptr, QgsMapCanvas *mapCanvas=nullptr) | |
void | enableAntiAliasing (bool flag) |
QList< QgsMapLayer * > | layers () const |
Returns list of layers visible in the overview. More... | |
void | refresh () |
renders overview and updates panning widget More... | |
void | setBackgroundColor (const QColor &color) |
changes background color More... | |
void | setLayers (const QList< QgsMapLayer * > &layers) |
updates layer set for overview More... | |
void | updateFullExtent () |
Protected Slots | |
void | layerRepaintRequested (bool deferred=false) |
Triggered when a layer in the overview requests a repaint. More... | |
void | mapRenderingFinished () |
Protected Member Functions | |
void | destinationCrsChanged () |
Should be called when the canvas destination CRS is changed. More... | |
void | drawExtentRect () |
used for overview canvas to reflect changed extent in main map canvas More... | |
void | mouseMoveEvent (QMouseEvent *e) override |
Overridden mouse move event. More... | |
void | mousePressEvent (QMouseEvent *e) override |
Overridden mouse press event. More... | |
void | mouseReleaseEvent (QMouseEvent *e) override |
Overridden mouse release event. More... | |
void | paintEvent (QPaintEvent *pe) override |
Overridden paint event. More... | |
void | resizeEvent (QResizeEvent *e) override |
Overridden resize event. More... | |
void | showEvent (QShowEvent *e) override |
Overridden show event. More... | |
void | transformContextChanged () |
Called when the canvas transform context is changed. More... | |
void | updatePanningWidget (QPoint pos) |
called when panning to reflect mouse movement More... | |
Protected Attributes | |
QgsMapRendererQImageJob * | mJob = nullptr |
for rendering overview More... | |
QgsMapCanvas * | mMapCanvas = nullptr |
main map canvas - used to get/set extent More... | |
QPoint | mPanningCursorOffset |
position of cursor inside panning widget More... | |
QgsPanningWidget * | mPanningWidget = nullptr |
widget for panning map in overview More... | |
QPixmap | mPixmap |
pixmap where the map is stored More... | |
QgsMapSettings | mSettings |
map settings used for rendering of the overview map More... | |
A widget that displays an overview map.
Definition at line 38 of file qgsmapoverviewcanvas.h.
QgsMapOverviewCanvas::QgsMapOverviewCanvas | ( | QWidget * | parent = nullptr , |
QgsMapCanvas * | mapCanvas = nullptr |
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Definition at line 35 of file qgsmapoverviewcanvas.cpp.
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protected |
Should be called when the canvas destination CRS is changed.
Definition at line 265 of file qgsmapoverviewcanvas.cpp.
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protected |
used for overview canvas to reflect changed extent in main map canvas
Definition at line 81 of file qgsmapoverviewcanvas.cpp.
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inline |
Definition at line 57 of file qgsmapoverviewcanvas.h.
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protectedslot |
Triggered when a layer in the overview requests a repaint.
Definition at line 212 of file qgsmapoverviewcanvas.cpp.
QList< QgsMapLayer * > QgsMapOverviewCanvas::layers | ( | ) | const |
Returns list of layers visible in the overview.
Definition at line 275 of file qgsmapoverviewcanvas.cpp.
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protectedslot |
Definition at line 200 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden mouse move event.
Definition at line 145 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden mouse press event.
Definition at line 106 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden mouse release event.
Definition at line 127 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden paint event.
Definition at line 71 of file qgsmapoverviewcanvas.cpp.
void QgsMapOverviewCanvas::refresh | ( | ) |
renders overview and updates panning widget
Definition at line 162 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden resize event.
Definition at line 52 of file qgsmapoverviewcanvas.cpp.
void QgsMapOverviewCanvas::setBackgroundColor | ( | const QColor & | color | ) |
changes background color
Definition at line 219 of file qgsmapoverviewcanvas.cpp.
void QgsMapOverviewCanvas::setLayers | ( | const QList< QgsMapLayer * > & | layers | ) |
updates layer set for overview
Definition at line 229 of file qgsmapoverviewcanvas.cpp.
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overrideprotected |
Overridden show event.
Definition at line 65 of file qgsmapoverviewcanvas.cpp.
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protected |
Called when the canvas transform context is changed.
Definition at line 270 of file qgsmapoverviewcanvas.cpp.
void QgsMapOverviewCanvas::updateFullExtent | ( | ) |
Definition at line 250 of file qgsmapoverviewcanvas.cpp.
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called when panning to reflect mouse movement
Definition at line 155 of file qgsmapoverviewcanvas.cpp.
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for rendering overview
Definition at line 117 of file qgsmapoverviewcanvas.h.
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main map canvas - used to get/set extent
Definition at line 108 of file qgsmapoverviewcanvas.h.
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position of cursor inside panning widget
Definition at line 105 of file qgsmapoverviewcanvas.h.
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widget for panning map in overview
Definition at line 102 of file qgsmapoverviewcanvas.h.
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pixmap where the map is stored
Definition at line 111 of file qgsmapoverviewcanvas.h.
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map settings used for rendering of the overview map
Definition at line 114 of file qgsmapoverviewcanvas.h.