Visual Servoing Platform  version 3.4.1 under development (2021-04-20)
vpDiskGrabber.h
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30  *
31  * Description:
32  * Disk framegrabber.
33  *
34  * Authors:
35  * Eric Marchand
36  *
37  *****************************************************************************/
38 
43 #ifndef vpDiskGrabber_hh
44 #define vpDiskGrabber_hh
45 
46 #include <string>
47 
48 #include <visp3/core/vpDebug.h>
49 #include <visp3/core/vpFrameGrabber.h>
50 #include <visp3/core/vpRGBa.h>
51 #include <visp3/io/vpImageIo.h>
52 
108 class VISP_EXPORT vpDiskGrabber : public vpFrameGrabber
109 {
110 private:
111  long m_image_number;
112  long m_image_number_next;
113  long m_image_step;
114  unsigned int m_number_of_zero;
115 
117  std::string m_directory;
118  std::string m_base_name;
119  std::string m_extension;
120 
121  bool m_use_generic_name;
122  std::string m_generic_name;
123 
124 public:
125  vpDiskGrabber();
126  explicit vpDiskGrabber(const std::string &genericName);
127  explicit vpDiskGrabber(const std::string &dir, const std::string &basename, long number, int step, unsigned int noz,
128  const std::string &ext);
129  virtual ~vpDiskGrabber();
130 
132  void acquire(vpImage<vpRGBa> &I);
133  void acquire(vpImage<float> &I);
134  void acquire(vpImage<unsigned char> &I, long image_number);
135  void acquire(vpImage<vpRGBa> &I, long image_number);
136  void acquire(vpImage<float> &I, long image_number);
137 
138  void close();
139 
143  long getImageNumber() { return m_image_number; };
144 
145  void open(vpImage<unsigned char> &I);
146  void open(vpImage<vpRGBa> &I);
147  void open(vpImage<float> &I);
148 
149  void setBaseName(const std::string &name);
150  void setDirectory(const std::string &dir);
151  void setExtension(const std::string &ext);
152  void setGenericName(const std::string &genericName);
153  void setImageNumber(long number);
154  void setNumberOfZero(unsigned int noz);
155  void setStep(long step);
156 };
157 
158 #endif
virtual void open(vpImage< unsigned char > &I)=0
Class to grab (ie. read) images from the disk.
Base class for all video devices. It is designed to provide a front end to video sources.
long getImageNumber()
virtual void close()=0
virtual void acquire(vpImage< unsigned char > &I)=0