import java.awt.*; // Interface for all things moveable, i.e. // anything that could be dragged with a curser. // // Every moveable must have a reference point. // When hit (mouse pressed), it must remember // the difference from the cursor to the reference // point // // // Author: Alexander Bogomolny, CTK Software, Inc. // URL: http://www.cut-the-knot.com // Date: November 30, 2000 // Copyright: A. Bogomolny // Permission to use and modify the file is therefore granted // as long as this comment remains unchanged. Do this at your // own risk. // interface MMoveable { // Reference is formed when a moveable // is hit or when it must be moved along // with another moveable // public void UpdateLocation(int x, int y); public boolean Inside(int x, int y); public void Draw(Graphics g); // filled shapes may obscure even their // own vertex names. Therefore, first // fill all shapes that need filling. // Then draw frames & names // public void DrawBackground(Graphics g); public void DrawFrame(Graphics g); }