plugins/polar/polar.h

   1 #ifndef POLAR_H
   2 #define POLAR_H
   3
   4 #define MAXDEPTH 100
   5 #define MAXANGLE 360
   6
   7 class PolarMain;
   8 class PolarEngine;
   9
  10 #include "bcbase.h"
  11 #include "polarwindow.h"
  12 #include "pluginvclient.h"
  13
  14
  15 class PolarMain : public PluginVClient
  16 {
  17 public:
  18         PolarMain(int argc, char *argv[]);
  19         ~PolarMain();
  20
  21 // required for all realtime plugins
  22         int process_realtime(long size, VFrame **input_ptr, VFrame **output_ptr);
  23         int plugin_is_realtime();
  24         int plugin_is_multi_channel();
  25         char* plugin_title();
  26         int start_gui();
  27         int stop_gui();
  28         int show_gui();
  29         int hide_gui();
  30         int set_string();
  31         int load_defaults();
  32         int save_defaults();
  33         int save_data(char *text);
  34         int read_data(char *text);
  35
  36 // parameters needed
  37         int reconfigure();    // Rebuild tables
  38         int depth;
  39         int angle;
  40         int polar_to_rectangular;
  41         int backwards;
  42         int inverse;
  43         int automated_function;
  44         int reconfigure_flag;
  45         VFrame *temp_frame;
  46
  47 // a thread for the GUI
  48         PolarThread *thread;
  49
  50 private:
  51         Defaults *defaults;
  52         PolarEngine **engine;
  53 };
  54
  55 class PolarEngine : public Thread
  56 {
  57 public:
  58         PolarEngine(PolarMain *plugin, int start_y, int end_y);
  59         ~PolarEngine();
  60
  61         int start_process_frame(VFrame **output, VFrame **input, int size);
  62         int wait_process_frame();
  63         void run();
  64         void get_pixel(const int &x, const int &y, VPixel *pixel, VPixel **input_rows);
  65         int calc_undistorted_coords(int wx,
  66                          int wy,
  67                          double &x,
  68                          double &y);
  69         inline VWORD bilinear(double &x, double &y, VWORD *values)
  70         {
  71                 double m0, m1;
  72                 x = fmod(x, 1.0);
  73                 y = fmod(y, 1.0);
  74
  75                 if(x < 0.0) x += 1.0;
  76                 if(y < 0.0) y += 1.0;
  77
  78                 m0 = (double)values[0] + x * ((double)values[1] - values[0]);
  79                 m1 = (double)values[2] + x * ((double)values[3] - values[2]);
  80                 return (VWORD)(m0 + y * (m1 - m0));
  81         }
  82
  83         PolarMain *plugin;
  84         int start_y;
  85         int end_y;
  86         int size;
  87         double cen_x, cen_y;
  88         VFrame **output, **input;
  89         int last_frame;
  90         Mutex input_lock, output_lock;
  91 };
  92
  93
  94 #endif