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import org.geotools.renderer.label.LabelCacheImpl; |
import org.geotools.renderer.label.LabelCacheImpl; |
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import org.geotools.renderer.lite.LabelCache; |
import org.geotools.renderer.lite.LabelCache; |
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import org.geotools.renderer.lite.StreamingRenderer; |
import org.geotools.renderer.lite.StreamingRenderer; |
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import org.geotools.renderer.shape.ShapefileRenderer; |
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import org.opengis.filter.FilterFactory2; |
import org.opengis.filter.FilterFactory2; |
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import org.opengis.referencing.crs.CoordinateReferenceSystem; |
import org.opengis.referencing.crs.CoordinateReferenceSystem; |
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import schmitzm.geotools.JTSUtil; |
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import schmitzm.swing.SwingUtil; |
import schmitzm.swing.SwingUtil; |
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import com.vividsolutions.jts.geom.Coordinate; |
import com.vividsolutions.jts.geom.Coordinate; |
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public class JMapPane extends JPanel implements MouseListener, |
public class JMapPane extends JPanel implements MouseListener, |
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MouseMotionListener, PropertyChangeListener, MapLayerListListener { |
MouseMotionListener, PropertyChangeListener, MapLayerListListener { |
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private static Logger LOGGER = Logger.getLogger(JMapPane.class.getName()); |
private static Logger LOGGER = Logger.getLogger(JMapPane.class); |
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private static final long serialVersionUID = -8647971481359690499L; |
private static final long serialVersionUID = -8647971481359690499L; |
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Map<Object, Object> hints = new HashMap<Object, Object>(); |
Map<Object, Object> hints = new HashMap<Object, Object>(); |
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this.renderer = renderer; |
this.renderer = renderer; |
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//MS: Apply hint also for ShapeFileRenderer |
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if (renderer instanceof StreamingRenderer |
// if (renderer instanceof StreamingRenderer) { |
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|| renderer instanceof ShapefileRenderer) { |
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hints = renderer.getRendererHints(); |
hints = renderer.getRendererHints(); |
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if (hints == null) { |
if (hints == null) { |
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hints = new HashMap<Object, Object>(); |
hints = new HashMap<Object, Object>(); |
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hints.put("memoryPreloadingEnabled", Boolean.TRUE); |
hints.put("memoryPreloadingEnabled", Boolean.TRUE); |
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renderer.setRendererHints(hints); |
renderer.setRendererHints(hints); |
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} |
// } |
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// this.highlightRenderer = new StreamingRenderer(); |
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// this.selectionRenderer = new StreamingRenderer(); |
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// highlightRenderer.setRendererHints(hints); |
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// selectionRenderer.setRendererHints(hints); |
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// renderer.setRendererHints(hints); |
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if (this.context != null) { |
if (this.context != null) { |
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this.renderer.setContext(this.context); |
this.renderer.setContext(this.context); |
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reset = false; /* forget about the reset */ |
reset = false; /* forget about the reset */ |
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oldRect = r; /* store what the current size is */ |
oldRect = r; /* store what the current size is */ |
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mapArea = fixAspectRatio(r, mapArea, false); |
mapArea = JTSUtil.fixAspectRatio(r, mapArea, false); |
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} |
} |
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} |
} |
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((Graphics2D) g).drawImage(baseImage, 0, 0, this); |
((Graphics2D) g).drawImage(baseImage, 0, 0, this); |
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} |
} |
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/** |
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* Returns an {@link Envelope} that has the same aspect ratio as the given rectangle |
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* @param grow |
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* If <code>true</code>, than the area will be enlarged to match |
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* the aspect ratio. If <code>false</code>, it will only shrink. |
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*/ |
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private Envelope fixAspectRatio(final Rectangle r, final Envelope mapArea, |
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boolean grow) { |
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final double mapWidth = mapArea.getWidth(); /* get the extent of the map */ |
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final double mapHeight = mapArea.getHeight(); |
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final double scaleX = r.getWidth() / mapArea.getWidth(); /* |
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* calculate the |
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* new scale |
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*/ |
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final double scaleY = r.getHeight() / mapArea.getHeight(); |
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double scale = 1.0; // stupid compiler! |
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if ((grow && scaleX < scaleY) || (!grow && scaleX > scaleY)) { |
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scale = scaleX; |
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} else { |
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scale = scaleY; |
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} |
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/* calculate the difference in width and height of the new extent */ |
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final double deltaX = /* Math.abs */((r.getWidth() / scale) - mapWidth); |
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final double deltaY = /* Math.abs */((r.getHeight() / scale) - mapHeight); |
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/* |
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* System.out.println("delta x " + deltaX); |
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* System.out.println("delta y " + deltaY); |
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*/ |
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/* create the new extent */ |
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final Coordinate ll = new Coordinate( |
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mapArea.getMinX() - (deltaX / 2.0), mapArea.getMinY() |
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- (deltaY / 2.0)); |
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final Coordinate ur = new Coordinate( |
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mapArea.getMaxX() + (deltaX / 2.0), mapArea.getMaxY() |
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+ (deltaY / 2.0)); |
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return new Envelope(ll, ur); |
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} |
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public void mouseClicked(final MouseEvent e) { |
public void mouseClicked(final MouseEvent e) { |
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if (mapArea == null) |
if (mapArea == null) |
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return; |
return; |
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protected void processDrag(final int x1, final int y1, final int x2, |
protected void processDrag(final int x1, final int y1, final int x2, |
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final int y2, final MouseEvent e) { |
final int y2, final MouseEvent e) { |
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/**** |
/**** |
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* If no layer is availabe we dont want a NullPointerException |
* If no layers exist, we ignore the drag. |
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*/ |
*/ |
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if (mapArea == null) |
if (context.getLayerCount() <= 0) { |
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return; |
return; |
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} |
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// System.out.println("processing drag from " + x1 + "," + y1 + " -> " |
// System.out.println("processing drag from " + x1 + "," + y1 + " -> " |
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// + x2 + "," + y2); |
// + x2 + "," + y2); |
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if ((x1 == x2) && (y1 == y2)) { |
if ((x1 == x2) && (y1 == y2)) { |
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final Coordinate ur = new Coordinate(right, top); |
final Coordinate ur = new Coordinate(right, top); |
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// xulu.sc |
// xulu.sc |
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// mapArea = fixAspectRatio(this.getBounds(), new Envelope(ll, ur)); |
// mapArea = fixAspectRatio(this.getBounds(), new Envelope(ll, ur)); |
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setMapArea(bestAllowedMapArea(new Envelope(ll, ur))); |
setMapArea(bestAllowedMapArea(new Envelope(ll, ur))); |
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// xulu.ec |
// xulu.ec |
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} else if (state == JMapPane.ZoomIn) { |
} else if (state == JMapPane.ZoomIn) { |
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* Correct the aspect Ratio before we check the rest. Otherwise we might |
* Correct the aspect Ratio before we check the rest. Otherwise we might |
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* easily fail. |
* easily fail. |
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*/ |
*/ |
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env = fixAspectRatio(this.getBounds(), env, false); |
env = JTSUtil.fixAspectRatio(this.getBounds(), env, false); |
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final double scale = env.getWidth() / getWidth(); |
final double scale = env.getWidth() / getWidth(); |
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final double centerX = env.getMinX() + env.getWidth() / 2.; |
final double centerX = env.getMinX() + env.getWidth() / 2.; |
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} |
} |
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Envelope maxAllowedExtend = getMaxExtend(); |
Envelope maxAllowedExtend = getMaxExtend(); |
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while (maxAllowedExtend != null && !maxAllowedExtend.contains(newArea)) { |
while (maxAllowedExtend != null && !maxAllowedExtend.contains(newArea) && newArea != null && !newArea.isNull() && !Double.isNaN(newArea.getMinX()) && !Double.isNaN(newArea.getMaxX()) && !Double.isNaN(newArea.getMinY()) && !Double.isNaN(newArea.getMaxY()) ) { |
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/* |
/* |
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* If a maxExtend is set, we have to honour that... |
* If a maxExtend is set, we have to honour that... |
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*/ |
*/ |
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// Exceeds top? Move down and maybe cut |
// Exceeds top? Move down and maybe cut |
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if (newArea.getMaxY() > maxAllowedExtend.getMaxY()) { |
if (newArea.getMaxY() > maxAllowedExtend.getMaxY()) { |
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double divY = newArea.getMaxY() - maxAllowedExtend.getMaxY(); |
double divY = newArea.getMaxY() - maxAllowedExtend.getMaxY(); |
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LOGGER.debug("Moving area down by " + divY); |
// LOGGER.debug("Moving area down by " + divY); |
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newArea = new Envelope(new Coordinate(newArea.getMinX(), |
newArea = new Envelope(new Coordinate(newArea.getMinX(), |
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newArea.getMinY() - divY), new Coordinate(newArea |
newArea.getMinY() - divY), new Coordinate(newArea |
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.getMaxX(), newArea.getMaxY() - divY)); |
.getMaxX(), newArea.getMaxY() - divY)); |
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if (newArea.getMinY() < maxAllowedExtend.getMinY()) { |
if (newArea.getMinY() < maxAllowedExtend.getMinY()) { |
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LOGGER.debug("Now it exeeds the bottom border.. cut!"); |
// LOGGER.debug("Now it exeeds the bottom border.. cut!"); |
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// And cut the bottom if it moved out of the area |
// And cut the bottom if it moved out of the area |
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newArea = new Envelope(new Coordinate(newArea.getMinX(), |
newArea = new Envelope(new Coordinate(newArea.getMinX(), |
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maxAllowedExtend.getMinY()), new Coordinate(newArea |
maxAllowedExtend.getMinY()), new Coordinate(newArea |
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.getMaxX(), newArea.getMaxY())); |
.getMaxX(), newArea.getMaxY())); |
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LOGGER.debug("and fix aspect ratio"); |
// LOGGER.debug("and fix aspect ratio"); |
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newArea = fixAspectRatio(this.getBounds(), newArea, false); |
newArea = JTSUtil.fixAspectRatio(this.getBounds(), newArea, false); |
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} |
} |
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} |
} |
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// Exceeds bottom? Move up and maybe cut |
// Exceeds bottom? Move up and maybe cut |
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if (newArea.getMinY() < maxAllowedExtend.getMinY()) { |
if (newArea.getMinY() < maxAllowedExtend.getMinY()) { |
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double divY = newArea.getMinY() - maxAllowedExtend.getMinY(); |
double divY = newArea.getMinY() - maxAllowedExtend.getMinY(); |
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LOGGER.debug("Moving area up by " + divY); |
// LOGGER.debug("Moving area up by " + divY); |
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newArea = new Envelope(new Coordinate(newArea.getMinX(), |
newArea = new Envelope(new Coordinate(newArea.getMinX(), |
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newArea.getMinY() - divY), new Coordinate(newArea |
newArea.getMinY() - divY), new Coordinate(newArea |
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.getMaxX(), newArea.getMaxY() - divY)); |
.getMaxX(), newArea.getMaxY() - divY)); |
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if (newArea.getMaxY() > maxAllowedExtend.getMaxY()) { |
if (newArea.getMaxY() > maxAllowedExtend.getMaxY()) { |
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LOGGER.debug("Now it exeeds the top border.. cut!"); |
// LOGGER.debug("Now it exeeds the top border.. cut!"); |
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// And cut the bottom if it moved out of the area |
// And cut the bottom if it moved out of the area |
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newArea = new Envelope(new Coordinate(newArea.getMinX(), |
newArea = new Envelope(new Coordinate(newArea.getMinX(), |
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newArea.getMinY()), new Coordinate(newArea |
newArea.getMinY()), new Coordinate(newArea |
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.getMaxX(), maxAllowedExtend.getMaxY())); |
.getMaxX(), maxAllowedExtend.getMaxY())); |
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LOGGER.debug("and fix aspect ratio"); |
// LOGGER.debug("and fix aspect ratio"); |
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newArea = fixAspectRatio(this.getBounds(), newArea, false); |
newArea = JTSUtil.fixAspectRatio(this.getBounds(), newArea, false); |
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} |
} |
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} |
} |
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// Move left.. |
// Move left.. |
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double divX = newArea.getMaxX() - maxAllowedExtend.getMaxX(); |
double divX = newArea.getMaxX() - maxAllowedExtend.getMaxX(); |
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LOGGER.debug("Moving area left by " + divX); |
// LOGGER.debug("Moving area left by " + divX); |
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newArea = new Envelope(new Coordinate(newArea.getMinX() - divX, |
newArea = new Envelope(new Coordinate(newArea.getMinX() - divX, |
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newArea.getMinY()), new Coordinate(newArea.getMaxX() |
newArea.getMinY()), new Coordinate(newArea.getMaxX() |
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- divX, newArea.getMaxY())); |
- divX, newArea.getMaxY())); |
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if (newArea.getMinX() < maxAllowedExtend.getMinX()) { |
if (newArea.getMinX() < maxAllowedExtend.getMinX()) { |
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LOGGER.debug("Now it exeeds the left border.. cut!"); |
// LOGGER.debug("Now it exeeds the left border.. cut!"); |
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// And cut the left if it moved out of the area |
// And cut the left if it moved out of the area |
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newArea = new Envelope(new Coordinate(maxAllowedExtend.getMinX(), |
newArea = new Envelope(new Coordinate(maxAllowedExtend.getMinX(), |
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newArea.getMinY()), new Coordinate(newArea |
newArea.getMinY()), new Coordinate(newArea |
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.getMaxX(), newArea.getMaxY())); |
.getMaxX(), newArea.getMaxY())); |
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LOGGER.debug("and fix aspect ratio"); |
// LOGGER.debug("and fix aspect ratio"); |
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newArea = fixAspectRatio(this.getBounds(), newArea, false); |
newArea = JTSUtil.fixAspectRatio(this.getBounds(), newArea, false); |
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} |
} |
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} |
} |
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// Move right.. |
// Move right.. |
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double divX = newArea.getMinX() - maxAllowedExtend.getMinX(); |
double divX = newArea.getMinX() - maxAllowedExtend.getMinX(); |
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LOGGER.debug("Moving area right by " + divX); |
// LOGGER.debug("Moving area right by " + divX); |
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newArea = new Envelope(new Coordinate(newArea.getMinX() - divX, |
newArea = new Envelope(new Coordinate(newArea.getMinX() - divX, |
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newArea.getMinY()), new Coordinate(newArea.getMaxX() |
newArea.getMinY()), new Coordinate(newArea.getMaxX() |
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- divX, newArea.getMaxY())); |
- divX, newArea.getMaxY())); |
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if (newArea.getMaxX() > maxAllowedExtend.getMaxX()) { |
if (newArea.getMaxX() > maxAllowedExtend.getMaxX()) { |
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LOGGER.debug("Now it exeeds the right border.. cut!"); |
// LOGGER.debug("Now it exeeds the right border.. cut!"); |
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// And cut the left if it moved out of the area |
// And cut the left if it moved out of the area |
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newArea = new Envelope(new Coordinate(newArea.getMinX(), |
newArea = new Envelope(new Coordinate(newArea.getMinX(), |
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newArea.getMinY()), new Coordinate(maxAllowedExtend |
newArea.getMinY()), new Coordinate(maxAllowedExtend |
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.getMaxX(), newArea.getMaxY())); |
.getMaxX(), newArea.getMaxY())); |
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LOGGER.debug("and fix aspect ratio"); |
// LOGGER.debug("and fix aspect ratio"); |
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newArea = fixAspectRatio(this.getBounds(), newArea, false); |
newArea = JTSUtil.fixAspectRatio(this.getBounds(), newArea, false); |
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} |
} |
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} |
} |
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public Envelope getMaxExtend() { |
public Envelope getMaxExtend() { |
1077 |
if (maxExtend == null) { |
if (maxExtend == null) { |
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try { |
try { |
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return fixAspectRatio(this.getBounds(), context.getLayerBounds(), true); |
return fixAspectRatio( |
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this.getBounds(), |
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// Kartenbereich um 10% vergroessern |
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JTSUtil.expandEnvelope(context.getLayerBounds(), 0.1), |
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true |
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); |
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} catch (IOException e) { |
} catch (IOException e) { |
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LOGGER |
LOGGER.warn( |
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.warn( |
"maxExtend == null; failed to getLayerBounds of context", |
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"maxExtend == null; faild to getLayerBounds of context", |
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e); |
e); |
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} |
} |
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} |
} |