Field Detail

• grabX

  protected float grabX

  Location where an object was first "grabbed" with a mouse press.

• grabY

  protected float grabY

  Location where an object was first "grabbed" with a mouse press.

• grabbed

  protected Vector grabbed

  Vector of "grabbed" objects.

• select

  protected TransientSelectBox select

  The selection box which may be created by this tool.

• objs

  protected OverlayObject[] objs

  Array of OverlayObjects at current dimensional position.

• bounds

  protected float[][] bounds

  Array of the bounds of the OverlayObjects at the current dimensional position.

• selected

  protected boolean[] selected

  Array of whether objects are selected at time of mouse press.

Constructor Detail

• PointerTool

  public PointerTool(OverlayTransform overlay)

  Constructs an overlay manipulation tool.

Method Detail

• mouseDown

  public void mouseDown(DisplayEvent e,
                        int px,
                        int py,
                        float dx,
                        float dy,
                        int[] pos,
                        int mods)

  Instructs this tool to respond to a mouse press.

  Overrides:

  mouseDown in class OverlayTool

  Parameters:

  e - DisplayEvent corresponding to this mouse press.

  px - X coordinate of mouse press in pixel coordinate system.

  py - Y coordinate of mouse press in pixel coordinate system.

  dx - X coordinate of mouse press in data coordinate system.

  dy - Y coordinate of mouse press in data coordinate system.

  pos - Dimensional position of mouse press.

  mods - Modifiers of mouse press.

• mouseUp

  public void mouseUp(DisplayEvent e,
                      int px,
                      int py,
                      float dx,
                      float dy,
                      int[] pos,
                      int mods)

  Instructs this tool to respond to a mouse release.

  Overrides:

  mouseUp in class OverlayTool

  Parameters:

  e - DisplayEvent corresponding to this mouse release.

  px - X coordinate of mouse release in pixel coordinate system.

  py - Y coordinate of mouse release in pixel coordinate system.

  dx - X coordinate of mouse release in data coordinate system.

  dy - Y coordinate of mouse release in data coordinate system.

  pos - Dimensional position of mouse release.

  mods - Modifiers of mouse release.

• mouseDrag

  public void mouseDrag(DisplayEvent e,
                        int px,
                        int py,
                        float dx,
                        float dy,
                        int[] pos,
                        int mods)

  Instructs this tool to respond to a mouse drag.

  Overrides:

  mouseDrag in class OverlayTool

  Parameters:

  e - DisplayEvent corresponding to this mouse drag.

  px - X coordinate of mouse drag in pixel coordinate system.

  py - Y coordinate of mouse drag in pixel coordinate system.

  dx - X coordinate of mouse drag in data coordinate system.

  dy - Y coordinate of mouse drag in data coordinate system.

  pos - Dimensional position of mouse drag.

  mods - Modifiers of mouse drag.