Initial revision

j2kviewer/src/MML.java

@@ -0,0 +1,85 @@
+import java.awt.event.*;
+
+class MML implements MouseMotionListener, MouseListener
+{
+  public void mouseExited(MouseEvent e) {}
+  public void mouseEntered(MouseEvent e) {}
+  public void mouseClicked(MouseEvent e) {}
+  
+  private ImageViewer applet;
+  private int x1, y1, x2, y2, zf, btn;
+  private boolean zoomrq;
+  
+  public MML(ImageViewer iv)
+  {
+    x1 = y1 = -1;
+    applet = iv;
+    zoomrq = false;
+    zf = 0;
+  }
+  
+  private boolean isInside(int x, int y)
+  {
+    x -= applet.getX();
+    y -= applet.getY();
+    return (x >= 0) && (x < applet.getWidth())
+        && (y >= 0) && (y < applet.getHeight());
+  }
+
+  public void mousePressed(MouseEvent e)
+  {
+    btn = e.getButton();
+    if (applet.isInsideRect(e.getX(), e.getY())) {
+      applet.setSelected(2);
+      applet.repaint();
+      zoomrq = true;
+    } else {
+      applet.setRGeom(0, 0, 0, 0);
+      applet.setSelected(0);
+      applet.repaint();
+      x1 = y1 = -1;
+    }
+  }
+  
+  public void mouseReleased(MouseEvent e)
+  {
+    if (zoomrq && (e.getButton() == 1)) {
+      applet.zoomIn();
+      zoomrq = false;
+    } else if (e.getButton() == 3) {
+      applet.zoomOut();
+      zoomrq = false;
+    }
+  }
+
+  public void mouseMoved(MouseEvent e)
+  {
+    applet.setSelected(applet.isInsideRect(e.getX(), e.getY()) ? 1 : 0);
+  }
+  
+  public void mouseDragged(MouseEvent e)
+  {
+    String str;
+    
+    if (btn == 1) {
+      x2 = e.getX();
+      y2 = e.getY();
+
+      applet.setSelected(0);
+      zoomrq = false;
+
+      if (isInside(x2, y2)) {
+	str = "[IN ]";
+	if (x1 == -1) {
+          x1 = x2;
+	  y1 = y2;
+	} else {
+          applet.setRGeom(x1, y1, x2, y2);
+	  applet.repaint();
+	}
+      } else {
+	str = "[OUT]";
+      }
+    }    
+  }
+}