INSA/be-graphes
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Code Issues 4 Releases Wiki Activity

Add zoom controls to basic drawing.

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This commit is contained in:
Holt59
2018-03-03 15:23:08 +01:00
parent 7827bfc63c
commit dede97bc68
5 changed files with 354 additions and 108 deletions
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38
src/main/org/insa/graphics/drawing/components/BasicDrawing.java
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@@ -5,12 +5,16 @@ import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.IdentityHashMap;
@@ -286,17 +290,42 @@ public class BasicDrawing extends JPanel implements Drawing {
// Mapping DrawingClickListener -> MouseEventListener
private Map<DrawingClickListener, MouseListener> listenerMapping = new IdentityHashMap<>();
// Zoom controls
private MapZoomControls zoomControls;
/**
* Create a new BasicDrawing.
*
*/
public BasicDrawing() {
this.zoomAndPanListener = new ZoomAndPanListener(this, ZoomAndPanListener.DEFAULT_MIN_ZOOM_LEVEL, 20, 1.2);
// Try...
try {
this.zoomControls = new MapZoomControls(this, 0, ZoomAndPanListener.DEFAULT_MIN_ZOOM_LEVEL, 20);
this.zoomControls.addZoomInListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
zoomAndPanListener.zoomIn();
}
});
this.zoomControls.addZoomOutListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
zoomAndPanListener.zoomOut();
}
});
}
catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void paintComponent(Graphics g1) {
super.paintComponent(g1);
Graphics2D g = (Graphics2D) g1;
AffineTransform sTransform = g.getTransform();
g.clearRect(0, 0, getWidth(), getHeight());
g.setTransform(zoomAndPanListener.getCoordTransform());
@@ -311,6 +340,14 @@ public class BasicDrawing extends JPanel implements Drawing {
overlay.draw(g);
}
}
g.setTransform(sTransform);
if (this.zoomControls != null) {
this.zoomControls.setZoomLevel(this.zoomAndPanListener.getZoomLevel());
this.zoomControls.draw(g, getWidth() - this.zoomControls.getWidth() - 20,
this.getHeight() - this.zoomControls.getHeight() - 20, this);
}
}
/**
@@ -513,6 +550,7 @@ public class BasicDrawing extends JPanel implements Drawing {
(this.getHeight() - this.height * scale) / 2);
this.zoomAndPanListener.getCoordTransform().scale(scale, scale);
this.zoomAndPanListener.setZoomLevel(0);
this.zoomControls.setZoomLevel(0);
// Repaint
this.repaint();