| 1 |
package skrueger.geotools; |
| 2 |
|
| 3 |
import java.awt.Color; |
| 4 |
import java.awt.Graphics; |
| 5 |
import java.awt.Point; |
| 6 |
import java.awt.event.MouseEvent; |
| 7 |
import java.awt.event.MouseWheelEvent; |
| 8 |
import java.awt.geom.Point2D; |
| 9 |
|
| 10 |
import org.opengis.geometry.DirectPosition; |
| 11 |
|
| 12 |
public class XMapPaneAction_ZoomIn implements XMapPaneAction { |
| 13 |
|
| 14 |
/** |
| 15 |
* Stores last position of a drag event in window coordinates |
| 16 |
*/ |
| 17 |
protected Point lastPos; |
| 18 |
|
| 19 |
@Override |
| 20 |
public void performClick(XMapPane mapPane, MouseEvent ev, |
| 21 |
DirectPosition coord) { |
| 22 |
|
| 23 |
mapPane.zoomTo(ev.getPoint(), 1 / 2.); |
| 24 |
} |
| 25 |
|
| 26 |
@Override |
| 27 |
public void performDragging(XMapPane mapPane, MouseEvent ev, |
| 28 |
Point dragStartPos, DirectPosition startCoord, |
| 29 |
DirectPosition endCoord) { |
| 30 |
|
| 31 |
mapPane.drawRectangle(mapPane.getGraphics(), dragStartPos, ev.getPoint()); |
| 32 |
} |
| 33 |
|
| 34 |
@Override |
| 35 |
public void performWheel(XMapPane mapPane, MouseWheelEvent wheelEvt, |
| 36 |
DirectPosition coord) { |
| 37 |
|
| 38 |
final int units = wheelEvt.getUnitsToScroll(); |
| 39 |
if (units > 0) |
| 40 |
mapPane.zoomTo(wheelEvt.getPoint(), 1. + .11 * units); |
| 41 |
else |
| 42 |
mapPane.zoomTo(wheelEvt.getPoint(), 2. / -units); |
| 43 |
} |
| 44 |
|
| 45 |
@Override |
| 46 |
public void performDragged(XMapPane mapPane, MouseEvent ev, |
| 47 |
Point dragStartPos, DirectPosition startCoord, |
| 48 |
DirectPosition endCoord) { |
| 49 |
// TODO Auto-generated method stub |
| 50 |
|
| 51 |
} |
| 52 |
|
| 53 |
} |
Parent Directory
| 
Revision Log