graphiq/library/tests_geometric/test_warper.cpp

   1 /*****************************************************************************\
   2 *                                                                             *
   3 *  Name   : test_rectangle_warper                                             *
   4 *  Author : Chris Koeritz                                                     *
   5 *                                                                             *
   6 *  Purpose:                                                                   *
   7 *                                                                             *
   8 *    Tests the rectangle warper class.                                        *
   9 *                                                                             *
  10 *******************************************************************************
  11 * Copyright (c) 1993-$now By Author.  This program is free software; you can  *
  12 * redistribute it and/or modify it under the terms of the GNU General Public  *
  13 * License as published by the Free Software Foundation; either version 2 of   *
  14 * the License or (at your option) any later version.  This is online at:      *
  15 *     http://www.fsf.org/copyleft/gpl.html                                    *
  16 * Please send any updates to: fred@gruntose.com                               *
  17 \*****************************************************************************/
  18
  19 #include <application/hoople_main.h>
  20 #include <basis/astring.h>
  21 #include <basis/functions.h>
  22 #include <basis/guards.h>
  23 #include <geometric/warper.h>
  24 #include <structures/static_memory_gremlin.h>
  25 #include <unit_test/unit_base.h>
  26
  27 using namespace application;
  28 using namespace basis;
  29 using namespace geometric;
  30 using namespace loggers;
  31 using namespace structures;
  32 using namespace unit_test;
  33 using namespace geometric;
  34
  35 class test_rectangle_warper : public virtual unit_base, virtual public application_shell
  36 {
  37 public:
  38   test_rectangle_warper() {}
  39   DEFINE_CLASS_NAME("test_rectangle_warper");
  40   virtual int execute();
  41 };
  42
  43 int test_rectangle_warper::execute()
  44 {
  45   FUNCDEF("execute");
  46   rectangle<double> inner(-20, 0, -60, 30);
  47   rectangle<double> outer(20, 30, 0, 0);
  48   rectangle_warper<double> ito(inner, outer, rectangle_warper<double>::TOP_LEFT,
  49       rectangle_warper<double>::BOTTOM_RIGHT);
  50 //LOG(astring("inner to outer warper is: " + ito.text_form()));
  51
  52   rectangle<double> warped_inner(ito.to_system_2(inner));
  53 //LOG(astring("warped inner becomes ") + warped_inner.text_form());
  54   rectangle<double> warped_outer(ito.to_system_1(outer));
  55 //LOG(astring(" and outer becomes ") + warped_outer.text_form());
  56   ASSERT_FALSE( (warped_inner != outer) || (warped_outer != inner),
  57       "systems should warp to each other correctly");
  58
  59   point<double> in_center(inner.center());
  60   point<double> warp_in_center(ito.to_system_2(in_center));
  61   point<double> out_center(outer.center());
  62   point<double> warp_out_center(ito.to_system_1(out_center));
  63   ASSERT_FALSE( (warp_out_center != inner.center()) || (warp_in_center != outer.center()),
  64       "centers should warp to each other");
  65   return final_report();
  66 }
  67
  68 HOOPLE_MAIN(test_rectangle_warper, );
  69