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annotate include/utils.hpp @ 12:ff5403319cec

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optical flow demo working
author Nicolas Saunier <nico@confins.net>
date Wed, 11 Nov 2009 23:25:23 -0500
parents ace29ecfb846
children ef0d7caf8e91
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1 #ifndef UTILS_HPP
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2 #define UTILS_HPP
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4 static const double pi = 3.14159265358979323846;
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6 inline double square(const int& a) { return a*a;}
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8 /** Implements key bindings, for example for cvWaitKey(). */
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9 inline bool forwardKey(const int& pressedKey) { return (((char)pressedKey) == '+');}
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11 inline bool backwardKey(const int& pressedKey) { return (((char)pressedKey) == '-');}
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13 inline bool saveKey(const int& pressedKey) { return (((char)pressedKey) == 's' || ((char)pressedKey) == 'S');}
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15 inline bool interruptionKey(const int& pressedKey) { return (((char)pressedKey) == 'q' || ((char)pressedKey) == 'Q');}
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17 inline bool skipKey(const int& pressedKey) { return (((char)pressedKey) == 'n' || ((char)pressedKey) == 'N');}
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19 #endif