plugins/whirl/whirl.h

   1 #ifndef WHIRL_H
   2 #define WHIRL_H
   3
   4 #define MAXANGLE 360
   5 #define MAXPINCH 100
   6 #define MAXRADIUS 100
   7
   8 class WhirlMain;
   9 class WhirlEngine;
  10
  11 #include "bcbase.h"
  12 #include "whirlwindow.h"
  13 #include "pluginvclient.h"
  14
  15
  16 class WhirlMain : public PluginVClient
  17 {
  18 public:
  19         WhirlMain(int argc, char *argv[]);
  20         ~WhirlMain();
  21
  22 // required for all realtime plugins
  23         int process_realtime(long size, VFrame **input_ptr, VFrame **output_ptr);
  24         int plugin_is_realtime();
  25         int plugin_is_multi_channel();
  26         char* plugin_title();
  27         int start_realtime();
  28         int stop_realtime();
  29         int start_gui();
  30         int stop_gui();
  31         int show_gui();
  32         int hide_gui();
  33         int set_string();
  34         int load_defaults();
  35         int save_defaults();
  36         int save_data(char *text);
  37         int read_data(char *text);
  38
  39 // parameters needed
  40         int reconfigure();    // Rebuild tables
  41         int angle;
  42         int pinch;
  43         int radius;
  44         int automated_function;
  45         int reconfigure_flag;
  46         VFrame *temp_frame;
  47
  48 // a thread for the GUI
  49         WhirlThread *thread;
  50
  51 private:
  52         BC_Hash *defaults;
  53         WhirlEngine **engine;
  54 };
  55
  56 class WhirlEngine : public Thread
  57 {
  58 public:
  59         WhirlEngine(WhirlMain *plugin, int start_y, int end_y);
  60         ~WhirlEngine();
  61
  62         int start_process_frame(VFrame **output, VFrame **input, int size);
  63         int wait_process_frame();
  64         void run();
  65
  66         int calc_undistorted_coords(double  wx,
  67                          double wy,
  68                          double &whirl,
  69                          double &pinch,
  70                          double &x,
  71                          double &y);
  72         inline VWORD bilinear(double x, double y, VWORD *values)
  73         {
  74                 double m0, m1;
  75                 x = fmod(x, 1.0);
  76                 y = fmod(y, 1.0);
  77
  78                 if(x < 0.0) x += 1.0;
  79                 if(y < 0.0) y += 1.0;
  80
  81                 m0 = (double)values[0] + x * ((double)values[1] - values[0]);
  82                 m1 = (double)values[2] + x * ((double)values[3] - values[2]);
  83                 return (VWORD)(m0 + y * (m1 - m0));
  84         }
  85         void get_pixel(const int &x, const int &y, VPixel *pixel, VPixel **input_rows);
  86
  87         WhirlMain *plugin;
  88         int start_y;
  89         int end_y;
  90         int size;
  91         VFrame **output, **input;
  92         int last_frame;
  93         Mutex input_lock, output_lock;
  94         double radius, radius2, radius3, pinch;
  95         double scale_x, scale_y;
  96         double cen_x, cen_y;
  97 };
  98
  99
 100 #endif