GeoMapHelperListener
, GeoMapPositioned
public class GeoMapHelper extends java.lang.Object implements GeoMapPositioned, GeoMapHelperListener
License is EPL (Eclipse Public License) http://www.eclipse.org/legal/epl-v10.html. Contact at stepan.rutz@gmx.de
Constructor | Description |
---|---|
GeoMapHelper(org.eclipse.swt.widgets.Display display,
org.eclipse.swt.graphics.Point mapPosition,
int zoom,
int cacheSize) |
Initializes a new
GeoMapHelper for a specific display,
position, zoom level and cache size. |
Modifier and Type | Method | Description |
---|---|---|
void |
addGeoMapHelperListener(GeoMapHelperListener listener) |
Adds a GeoMapHelperListener that will be notified about tile updates
|
void |
addInternalGeoMapListener(InternalGeoMapListener listener) |
Adds an InternalGeoMapListener that will be notified about painting and
cache updates
|
void |
dispose() |
Dispose internal data
|
org.eclipse.swt.graphics.Point |
getMapPosition() |
Gets the position of the upper left corner of the map.
|
int |
getMaxZoom() |
Gets the maximum supported zoom level
|
TileServer |
getTileServer() |
Gets the tile server used for fetching tiles
|
int |
getZoom() |
Gets the current zoom level
|
void |
paint(org.eclipse.swt.graphics.GC gc,
org.eclipse.swt.graphics.Rectangle clip,
org.eclipse.swt.graphics.Point size) |
Points the map to the provided graphics context (GC), which could be the
one provided in an SWT control paint request or one created for rendering
an SWT Image
|
void |
removeGeoMapHelperListener(GeoMapHelperListener listener) |
Removes a GeoMapHelperListener
|
void |
removeInternalGeoMapListener(InternalGeoMapListener listener) |
Removes an InternalGeoMapListener
|
void |
setMapPosition(int x,
int y) |
Sets the position of the upper left corner of the map.
|
void |
setTileServer(TileServer tileServer) |
Sets the tile server used for fetching tiles
|
void |
setZoom(int zoom) |
Sets the current zoom level
|
void |
tileUpdated(TileRef tileRef) |
Notifies listener that a tile has been updated and may need (re)painting
|
public GeoMapHelper(org.eclipse.swt.widgets.Display display, org.eclipse.swt.graphics.Point mapPosition, int zoom, int cacheSize)
GeoMapHelper
for a specific display,
position, zoom level and cache size.display
- the Display
to create images for.mapPosition
- initial mapPosition.zoom
- initial map zoomcacheSize
- initial cache size, eg number of tile-images that are kept in
cache to prevent reloading from the network.public void paint(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Rectangle clip, org.eclipse.swt.graphics.Point size)
gc
- the graphics contextclip
- the area that needs updating, could be nullsize
- the size of the map areapublic void dispose()
public TileServer getTileServer()
public void setTileServer(TileServer tileServer)
tileServer
- the new tile server to usepublic org.eclipse.swt.graphics.Point getMapPosition()
GeoMapPositioned
getMapPosition
in interface GeoMapPositioned
public void setMapPosition(int x, int y)
GeoMapPositioned
setMapPosition
in interface GeoMapPositioned
x
- the x coordinatey
- the y coordinatepublic int getMaxZoom()
GeoMapPositioned
getMaxZoom
in interface GeoMapPositioned
public int getZoom()
GeoMapPositioned
getZoom
in interface GeoMapPositioned
public void setZoom(int zoom)
GeoMapPositioned
setZoom
in interface GeoMapPositioned
zoom
- the new zoom levelpublic void tileUpdated(TileRef tileRef)
GeoMapHelperListener
tileUpdated
in interface GeoMapHelperListener
tileRef
- the reference to the updated tilepublic void addGeoMapHelperListener(GeoMapHelperListener listener)
listener
- the GeoMapHelperListenerpublic void removeGeoMapHelperListener(GeoMapHelperListener listener)
listener
- the GeoMapHelperListenerpublic void addInternalGeoMapListener(InternalGeoMapListener listener)
listener
- the InternalGeoMapListenerpublic void removeInternalGeoMapListener(InternalGeoMapListener listener)
listener
- the InternalGeoMapListener