This is an automated email from the git hooks/post-receive script. New commit to branch feature/6944 in repository observe. See http://git.codelutin.com/observe.git commit 90709cf685b386b9c5db247a5c97d503fbd7ba8f Author: Sylvain Bavencoff <bavencoff@codelutin.com> Date: Fri Apr 17 16:08:47 2015 +0200 zoom (or un-zoom) on pointer --- .../ui/content/open/impl/seine/TripMapHandler.java | 34 ++++++++++++++++++---- observe-swing/src/main/resources/log4j.properties | 2 +- 2 files changed, 30 insertions(+), 6 deletions(-) diff --git a/observe-swing/src/main/java/fr/ird/observe/ui/content/open/impl/seine/TripMapHandler.java b/observe-swing/src/main/java/fr/ird/observe/ui/content/open/impl/seine/TripMapHandler.java index a00e296..1903519 100644 --- a/observe-swing/src/main/java/fr/ird/observe/ui/content/open/impl/seine/TripMapHandler.java +++ b/observe-swing/src/main/java/fr/ird/observe/ui/content/open/impl/seine/TripMapHandler.java @@ -65,6 +65,8 @@ public class TripMapHandler { public static final String TRIP_LINES_LAYER_NAME = "Trip lines"; public static final String TRIP_POINTS_LAYER_NAME = "Trip points"; + public static final double ZOOM_STEP_RATIO = 0.1; + private static final Log log = LogFactory.getLog(TripMapHandler.class); @@ -321,14 +323,36 @@ public class TripMapHandler { int notches = e.getWheelRotation(); double scale = notches; + ReferencedEnvelope displayArea = tripMapUI.getDisplayArea(); + double deltaWidth = displayArea.getWidth() * notches * ZOOM_STEP_RATIO; + double deltaHeight = displayArea.getHeight() * notches * ZOOM_STEP_RATIO; + + double ratioLeft = e.getX() * 1d / tripMapUI.getWidth(); + + // l'axe de Y est inversé entre le référentiel du composant swing et le référentiel géographique + double ratioTop = 1 - (e.getY() * 1d / tripMapUI.getHeight()); + + double deltaLeft = deltaWidth * ratioLeft; + double deltaRight = deltaLeft - deltaWidth; + + double deltaTop = deltaHeight * ratioTop; + double deltaBottom = deltaTop - deltaHeight; + if (log.isDebugEnabled()) { - log.debug(String.format("Map mouse zoom (rotation : %s, scale : %s)", notches, scale)); + log.debug(String.format("Map mouse zoom (rotation : %s, deltaLeft : %s, deltaRight : %s, deltaTop : %s, deltaBottom : %s)", + notches, deltaLeft, deltaRight, deltaRight, deltaBottom)); } - ReferencedEnvelope displayArea = tripMapUI.getDisplayArea(); - displayArea.expandBy(scale); - if (! displayArea.isEmpty()) { - tripMapUI.setDisplayArea(displayArea); + ReferencedEnvelope newDisplayArea = new ReferencedEnvelope( + displayArea.getMinX() + deltaLeft, + displayArea.getMaxX() + deltaRight, + displayArea.getMinY() + deltaTop, + displayArea.getMaxY() + deltaBottom, + displayArea.getCoordinateReferenceSystem() + ); + + if (! newDisplayArea.isEmpty()) { + tripMapUI.setDisplayArea(newDisplayArea); } } diff --git a/observe-swing/src/main/resources/log4j.properties b/observe-swing/src/main/resources/log4j.properties index d605aa0..8a5bc1e 100644 --- a/observe-swing/src/main/resources/log4j.properties +++ b/observe-swing/src/main/resources/log4j.properties @@ -51,4 +51,4 @@ log4j.logger.org.nuiton.topia.migration=INFO log4j.logger.jaxx.runtime.validator.swing.SwingValidator=ERROR -log4j.logger.fr.ird.observe.ui.content.open.impl.seine.TripSeineUIHandler=DEBUG +log4j.logger.fr.ird.observe.ui.content.open.impl.seine.TripMapHandler=DEBUG -- To stop receiving notification emails like this one, please contact codelutin.com SCM administrator <admin+scm@list.forge.codelutin.com>.