PlotCanvas.java 文件源码

public void mouseWheelMoved(MouseWheelEvent e) {
      //System.out.println("PlotCanvas.mouseWheelMoved");
/*
       * System.out.println("PlotCanvas.mouseWheelMoved");
       * System.out.println(" mouseClick = [" + mouseClick[0] + " " +
       * mouseClick[1] + "]"); System.out.println(" mouseCurent = [" +
       * mouseCurent[0] + " " + mouseCurent[1] + "]");
       */
      mouseCurent[0] = e.getX();
      mouseCurent[1] = e.getY();
      e.consume();
      int[] origin;
      double[] ratio;
      // double factor = 1.5;
      //switch (ActionMode) {
      //    case ZOOM:
      if (e.getWheelRotation() == -1) {
          if (Array.max(((AWTDrawer) draw).projection.totalScreenRatio) > .01) {
              origin = new int[]{(int) (mouseCurent[0] - getWidth() / 3/* (2*factor) */),
                                 (int) (mouseCurent[1] - getHeight() / 3/* (2*factor) */)};
              ratio = new double[]{0.666/* 1/factor, 1/factor */, 0.666};
              draw.dilate(origin, ratio);
          }
      } else {
          if (Array.max(((AWTDrawer) draw).projection.totalScreenRatio) < 1) {
              origin = new int[]{(int) (mouseCurent[0] - getWidth() / 1.333/* (2/factor) */),
                                 (int) (mouseCurent[1] - getHeight() / 1.333/* (2/factor) */)
              };
              ratio = new double[]{1.5, 1.5 /* factor, factor */};
              draw.dilate(origin, ratio);
          } else /* (Array.max(((AWTDrawer) draw).projection.totalScreenRatio) >= 1)*/ {
              ((AWTDrawer) draw).projection.initBaseCoordsProjection(true);
          }
      }
      repaint();
      //       break;
      //}
  }