summaryrefslogtreecommitdiffstats
path: root/tests/testsxx.cpp
blob: b4c28d9769bcd1a94da4157e8386628447141d8c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*************************************************************************
 * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com>               *
 *                                                                       *
 * This file is part of The Dimension Test Suite.                        *
 *                                                                       *
 * The Dimension Test Suite is free software; you can redistribute it    *
 * and/or modify it under the terms of the GNU General Public License as *
 * published by the Free Software Foundation; either version 3 of the    *
 * License, or (at your option) any later version.                       *
 *                                                                       *
 * The Dimension Test Suite is distributed in the hope that it will be   *
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
 * General Public License for more details.                              *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

#include "testsxx.hpp"

namespace Dimension
{
  namespace Tests
  {
    Scene
    default_scene()
    {
      // Background color
      Color background = sRGB(0.0, 0.1, 0.25);
      background.filter(0.1);

      // Canvas
      Canvas canvas(768, 480);

      // Camera
      Perspective_Camera camera(
        Matrix::rotation(Vector(0.0, 1.0, 0.0))
        * Matrix::translation(Vector(0.0, 0.0, -4.0))
        * Matrix::scale(
            Vector(static_cast<double>(canvas.width())/canvas.height(),
                   1.0,
                   1.0)
          )
      );

      // Scene
      Scene scene(background, camera, canvas);

      // Objects in scene

      Sphere sphere;
      sphere.trans(inverse(Matrix::scale(Vector(1.25, 1.25, 1.25))));
      scene.objects().push(sphere);

      Cube cube;
      cube.trans(inverse(Matrix::rotation(Vector(0.75, 0.0, 0.0))));
      scene.objects().push(cube);

      return scene;
    }

    Display::Display(const Canvas& canvas)
      : m_display(dmnsn_new_display(canvas.dmnsn()))
    {
      if (!m_display) {
        throw Dimension_Error("Couldn't create display.");
      }
    }

    Display::~Display()
    {
      dmnsn_delete_display(m_display);
    }

    void
    Display::flush()
    {
      dmnsn_display_flush(m_display);
    }

    namespace
    {
      struct Progressbar_Payload
      {
      public:
        std::ostream* ostr;
        const Progress* progress;
      };

      void *
      progressbar_thread(void *ptr)
      {
        Progressbar_Payload* payload
          = reinterpret_cast<Progressbar_Payload*>(ptr);

        *payload->ostr << *payload->progress;

        int* ret = static_cast<int*>(std::malloc(sizeof(int)));
        if (ret) {
          *ret = 0;
        }
        return ret;
      }
    }

    Progress progressbar_async(std::ostream& ostr,
                               const Dimension::Progress& progress)
    {
      dmnsn_progress* barprogress = dmnsn_new_progress();
      if (!barprogress) {
        throw Dimension_Error("Couldn't allocate progress object.");
      }

      Progressbar_Payload* payload = new Progressbar_Payload;
      payload->ostr = &ostr;
      payload->progress = &progress;

      /* Create the worker thread */
      if (pthread_create(&barprogress->thread, NULL, &progressbar_thread,
                         reinterpret_cast<void*>(payload)) != 0)
      {
        throw Dimension_Error("Couldn't create background thread.");
      }

      return Progress(barprogress);
    }
  }

  // Print a progress bar of the progress of `progress'
  std::ostream&
  operator<<(std::ostream& ostr, const Dimension::Progress& progress)
  {
    const unsigned int increments = 32;

    ostr << "|" << std::flush;
    for (unsigned int i = 0; i < increments; ++i) {
      progress.wait(static_cast<double>(i + 1)/increments);
      ostr << "=" << std::flush;
    }
    return ostr << "|" << std::flush;
  }
}