plugins/scale/scale.h

   1 #ifndef SCALE_H
   2 #define SCALE_H
   3
   4 // the simplest plugin possible
   5
   6 class ScaleMain;
   7 class ScaleWidth;
   8 class ScaleHeight;
   9 class ScaleConstrain;
  10 class ScaleThread;
  11 class ScaleWin;
  12
  13 #include "bchash.h"
  14 #include "guicast.h"
  15 #include "mutex.h"
  16 #include "scalewin.h"
  17 #include "overlayframe.h"
  18 #include "pluginvclient.h"
  19
  20 class ScaleConfig
  21 {
  22 public:
  23         ScaleConfig();
  24
  25         void copy_from(ScaleConfig &src);
  26         int equivalent(ScaleConfig &src);
  27         void interpolate(ScaleConfig &prev,
  28                 ScaleConfig &next,
  29                 int64_t prev_frame,
  30                 int64_t next_frame,
  31                 int64_t current_frame);
  32
  33         float w, h;
  34         int constrain;
  35 };
  36
  37
  38 class ScaleWidth : public BC_TumbleTextBox
  39 {
  40 public:
  41         ScaleWidth(ScaleWin *win, ScaleMain *client, int x, int y);
  42         ~ScaleWidth();
  43         int handle_event();
  44
  45         ScaleMain *client;
  46         ScaleWin *win;
  47 };
  48
  49 class ScaleHeight : public BC_TumbleTextBox
  50 {
  51 public:
  52         ScaleHeight(ScaleWin *win, ScaleMain *client, int x, int y);
  53         ~ScaleHeight();
  54         int handle_event();
  55
  56         ScaleMain *client;
  57         ScaleWin *win;
  58 };
  59
  60 class ScaleConstrain : public BC_CheckBox
  61 {
  62 public:
  63         ScaleConstrain(ScaleMain *client, int x, int y);
  64         ~ScaleConstrain();
  65         int handle_event();
  66
  67         ScaleMain *client;
  68 };
  69
  70 class ScaleWin : public BC_Window
  71 {
  72 public:
  73         ScaleWin(ScaleMain *client, int x, int y);
  74         ~ScaleWin();
  75
  76         int create_objects();
  77         int close_event();
  78
  79         ScaleMain *client;
  80         ScaleWidth *width;
  81         ScaleHeight *height;
  82         ScaleConstrain *constrain;
  83 };
  84
  85 PLUGIN_THREAD_HEADER(ScaleMain, ScaleThread, ScaleWin)
  86
  87 class ScaleMain : public PluginVClient
  88 {
  89 public:
  90         ScaleMain(PluginServer *server);
  91         ~ScaleMain();
  92
  93 // required for all realtime plugins
  94         int process_buffer(VFrame *frame,
  95                 int64_t start_position,
  96                 double frame_rate);
  97         void calculate_transfer(VFrame *frame,
  98                 float &in_x1,
  99                 float &in_x2,
 100                 float &in_y1,
 101                 float &in_y2,
 102                 float &out_x1,
 103                 float &out_x2,
 104                 float &out_y1,
 105                 float &out_y2);
 106         int handle_opengl();
 107         int is_realtime();
 108         char* plugin_title();
 109         int show_gui();
 110         void raise_window();
 111         int set_string();
 112         void update_gui();
 113         void save_data(KeyFrame *keyframe);
 114         void read_data(KeyFrame *keyframe);
 115         VFrame* new_picon();
 116         int load_defaults();
 117         int save_defaults();
 118         int load_configuration();
 119
 120 // a thread for the GUI
 121         ScaleThread *thread;
 122
 123         OverlayFrame *overlayer;   // To scale images
 124         BC_Hash *defaults;
 125         ScaleConfig config;
 126 };
 127
 128
 129 #endif