hvirtual/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 "defaults.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_realtime(VFrame *input_ptr, VFrame *output_ptr);
  95         int is_realtime();
  96         char* plugin_title();
  97         int show_gui();
  98         void raise_window();
  99         int set_string();
 100         void update_gui();
 101         void save_data(KeyFrame *keyframe);
 102         void read_data(KeyFrame *keyframe);
 103         VFrame* new_picon();
 104         int load_defaults();
 105         int save_defaults();
 106         int load_configuration();
 107
 108 // a thread for the GUI
 109         ScaleThread *thread;
 110
 111         OverlayFrame *overlayer;   // To scale images
 112         VFrame *temp_frame;        // Used if buffers are the same
 113         Defaults *defaults;
 114         ScaleConfig config;
 115 };
 116
 117
 118 #endif