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3 | PointedEar | 1 | /*------------------------------------------------------------------------------------------*\ |
2 | This file contains material supporting chapter 3 of the cookbook: |
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3 | Computer Vision Programming using the OpenCV Library. |
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4 | by Robert Laganiere, Packt Publishing, 2011. |
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5 | |||
6 | This program is free software; permission is hereby granted to use, copy, modify, |
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7 | and distribute this source code, or portions thereof, for any purpose, without fee, |
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8 | subject to the restriction that the copyright notice may not be removed |
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9 | or altered from any source or altered source distribution. |
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10 | The software is released on an as-is basis and without any warranties of any kind. |
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11 | In particular, the software is not guaranteed to be fault-tolerant or free from failure. |
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12 | The author disclaims all warranties with regard to this software, any use, |
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13 | and any consequent failure, is purely the responsibility of the user. |
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14 | |||
15 | Copyright (C) 2010-2011 Robert Laganiere, www.laganiere.name |
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16 | \*------------------------------------------------------------------------------------------*/ |
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17 | |||
18 | #if !defined CD_CNTRLLR |
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19 | #define CD_CNTRLLR |
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20 | |||
21 | #include <opencv2/core/core.hpp> |
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22 | #include <opencv2/highgui/highgui.hpp> |
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23 | #include "colordetector.h" |
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24 | |||
25 | class ColorDetectController { |
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26 | |||
27 | private: |
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28 | |||
29 | static ColorDetectController *singleton; // pointer to the singleton |
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30 | |||
31 | ColorDetector *cdetect; |
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32 | |||
33 | // The image to be processed |
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34 | cv::Mat image; |
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35 | cv::Mat result; |
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36 | |||
37 | public: |
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38 | ColorDetectController() { // private constructor |
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39 | |||
40 | //setting up the application |
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41 | cdetect= new ColorDetector(); |
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42 | } |
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43 | |||
44 | // Sets the color distance threshold |
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45 | void setColorDistanceThreshold(int distance) { |
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46 | |||
47 | cdetect->setColorDistanceThreshold(distance); |
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48 | } |
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49 | |||
50 | // Gets the color distance threshold |
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51 | int getColorDistanceThreshold() const { |
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52 | |||
53 | return cdetect->getColorDistanceThreshold(); |
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54 | } |
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55 | |||
56 | // Sets the color to be detected |
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57 | void setTargetColor(unsigned char red, unsigned char green, unsigned char blue) { |
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58 | |||
59 | cdetect->setTargetColor(red,green,blue); |
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60 | } |
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61 | |||
62 | // Gets the color to be detected |
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63 | void getTargetColor(unsigned char &red, unsigned char &green, unsigned char &blue) const { |
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64 | |||
65 | cv::Vec3b color= cdetect->getTargetColor(); |
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66 | |||
67 | red= color[2]; |
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68 | green= color[1]; |
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69 | blue= color[0]; |
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70 | } |
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71 | |||
72 | // Sets the input image. Reads it from file. |
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73 | bool setInputImage(std::string filename) { |
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74 | |||
75 | image= cv::imread(filename); |
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76 | |||
77 | if (!image.data) |
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78 | return false; |
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79 | else |
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80 | return true; |
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81 | } |
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82 | |||
83 | // Returns the current input image. |
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84 | const cv::Mat getInputImage() const { |
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85 | |||
86 | return image; |
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87 | } |
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88 | |||
89 | // Performs image processing. |
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90 | void process() { |
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91 | |||
92 | result= cdetect->process(image); |
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93 | } |
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94 | |||
95 | |||
96 | // Returns the image result from the latest processing. |
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97 | const cv::Mat getLastResult() const { |
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98 | |||
99 | return result; |
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100 | } |
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101 | |||
102 | // Deletes all processor objects created by the controller. |
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103 | ~ColorDetectController() { |
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104 | |||
105 | delete cdetect; |
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106 | } |
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107 | |||
108 | // Singleton static members |
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109 | static ColorDetectController *getInstance() { |
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110 | |||
111 | if (singleton == 0) |
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112 | singleton= new ColorDetectController; |
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113 | |||
114 | return singleton; |
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115 | } |
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116 | |||
117 | // Releases the singleton instance of this controller. |
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118 | static void destroy() { |
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119 | |||
120 | if (singleton != 0) { |
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121 | delete singleton; |
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122 | singleton= 0; |
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123 | } |
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124 | } |
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125 | }; |
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126 | |||
127 | #endif |