1 files changed, 138 insertions, 0 deletions
diff --git a/src/GudhUI/view/View_parameter.h b/src/GudhUI/view/View_parameter.h
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+++ b/src/GudhUI/view/View_parameter.h
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+/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ *    Author(s):       David Salinas
+ *
+ *    Copyright (C) 2014 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#ifndef VIEW_VIEW_PARAMETER_H_
+#define VIEW_VIEW_PARAMETER_H_
+
+#include <iostream>
+
+/**
+ * Different parameters for the view such as the camera angle,
+ * the light, options for vertices/edges/triangles.
+ */
+class View_parameter {
+ public:
+  bool light;
+  bool relative_light;
+
+  double size_vertices;
+  double size_edges;
+  double light_edges;  // in 0-1
+  double light_triangles;  // in 0-1
+
+  /**
+   * light angle
+   */
+  double theta;
+  double phi;
+
+  enum VERTEX_MODE {
+    V_NONE, V_SIMPLE, V_COUNT
+  };
+
+  enum EDGE_MODE {
+    E_NONE, E_SIMPLE, E_COUNT
+  };
+
+  enum TRIANGLE_MODE {
+    T_NONE, T_SIMPLE, T_COUNT
+  };
+
+  VERTEX_MODE vertex_mode;
+  EDGE_MODE edge_mode;
+  TRIANGLE_MODE triangle_mode;
+
+  void change_vertex_mode() {
+    int current_value = vertex_mode;
+    vertex_mode = static_cast<VERTEX_MODE> (++current_value % V_COUNT);
+    std::cout << "Vertex mode : ";
+    switch (vertex_mode) {
+      case V_NONE:
+        std::cout << "empty\n";
+        break;
+      case V_SIMPLE:
+        std::cout << "simple\n";
+        break;
+      default:
+        break;
+    }
+  }
+
+  void change_vertex_mode(int new_mode) {
+    vertex_mode = static_cast<VERTEX_MODE> (new_mode % V_COUNT);
+  }
+
+  void change_edge_mode() {
+    int current_value = edge_mode;
+    edge_mode = static_cast<EDGE_MODE> (++current_value % E_COUNT);
+  }
+
+  void change_edge_mode(int new_mode) {
+    edge_mode = static_cast<EDGE_MODE> (new_mode % E_COUNT);
+  }
+
+  void change_triangle_mode() {
+    int current_value = triangle_mode;
+    triangle_mode = static_cast<TRIANGLE_MODE> (++current_value % T_COUNT);
+  }
+
+  View_parameter() {
+    light = true;
+    relative_light = true;
+    vertex_mode = V_SIMPLE;
+    edge_mode = E_SIMPLE;
+    triangle_mode = T_NONE;
+
+    size_vertices = 3;
+    size_edges = 2;
+
+    light_edges = 0.3;
+    light_triangles = 0.85;
+    theta = 0;
+    phi = 0;
+  }
+
+  friend std::ostream& operator<<(std::ostream& stream, const View_parameter& param) {
+    stream << param.light << " ";
+    stream << param.relative_light << " ";
+    stream << param.vertex_mode << " ";
+    stream << param.edge_mode << " ";
+    stream << param.triangle_mode << " ";
+    stream << param.size_vertices << " ";
+    stream << param.size_edges << " ";
+    stream << param.light_edges << " ";
+    stream << param.light_triangles << " ";
+    stream << param.theta << " ";
+    stream << param.phi << " ";
+    return stream;
+  }
+
+  friend std::istream& operator>>(std::istream& stream, View_parameter& param) {
+    stream >> param.light;
+    stream >> param.relative_light;
+    int a;
+    stream >> a;
+    param.vertex_mode = static_cast<VERTEX_MODE> (a % V_COUNT);
+    stream >> a;
+    param.edge_mode = static_cast<EDGE_MODE> (a % E_COUNT);
+    stream >> a;
+    param.triangle_mode = static_cast<TRIANGLE_MODE> (a % T_COUNT);
+    stream >> a;
+    stream >> param.size_vertices;
+    stream >> param.size_edges;
+    stream >> param.light_edges;
+    stream >> param.light_triangles;
+    stream >> param.theta;
+    stream >> param.phi;
+    return stream;
+  }
+};
+
+#endif  // VIEW_VIEW_PARAMETER_H_