text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
  */
  
  /**
   * @file color.h
   * @author Rémi Lecouillard
   * @author Nicolas Weber
   */
  
  #ifndef TPE_ENSICAEN_2018_COLOR_H
  #define TPE_ENSICAEN_2018_COLOR_H
  
  struct color{
      /** red */
      unsigned char r;
      /** green */
      unsigned char g;
      /** blue */
      unsigned char b;
  };
  
  /**
   * A color discribed by red, green and blue.
   */
  typedef struct color Color;
  
  /**
   * Creates a color
   * @param r red
   * @param g green
   * @param b blue
   * @return A color with the given parameters.
   */
  Color createColor(unsigned char r, unsigned char g, unsigned char b);
  
  /**
   * Creates a new color on the heap.
   * @param r red
   * @param g green
   * @param b blue
   * @return A pointer of a color with the given parameters.
   */
  Color* newColor(unsigned char r, unsigned char g, unsigned char b);
  
  /**
   * Checks if two colors are the same.
   * @param c1
   * @param c2
   * @return 0 if not equals, 1 otherwise.
   */
  int colorEquals(Color *c1, Color *c2);
  
  /**
   * Display the color on the standard ouput.
   * @param color
   */
  void colorDisplay(Color color);
  
  #endif //TPE_ENSICAEN_2018_COLOR_H
  