plugins/perspective/perspective.h

   1 #include <math.h>
   2 #include <stdint.h>
   3 #include <string.h>
   4
   5 #include "bcdisplayinfo.h"
   6 #include "clip.h"
   7 #include "bchash.h"
   8 #include "filexml.h"
   9 #include "keyframe.h"
  10 #include "loadbalance.h"
  11 #include "picon_png.h"
  12 #include "pluginvclient.h"
  13 #include "vframe.h"
  14
  15 class PerspectiveMain;
  16 class PerspectiveWindow;
  17
  18
  19
  20
  21 class PerspectiveConfig
  22 {
  23 public:
  24         PerspectiveConfig();
  25
  26         int equivalent(PerspectiveConfig &that);
  27         void copy_from(PerspectiveConfig &that);
  28         void interpolate(PerspectiveConfig &prev,
  29                 PerspectiveConfig &next,
  30                 int64_t prev_frame,
  31                 int64_t next_frame,
  32                 int64_t current_frame);
  33
  34         float x1, y1, x2, y2, x3, y3, x4, y4;
  35         int mode;
  36         int window_w, window_h;
  37         int current_point;
  38         int forward;
  39 };
  40
  41
  42
  43 class PerspectiveCanvas : public BC_SubWindow
  44 {
  45 public:
  46         PerspectiveCanvas(PerspectiveMain *plugin,
  47                 int x,
  48                 int y,
  49                 int w,
  50                 int h);
  51         int button_press_event();
  52         int button_release_event();
  53         int cursor_motion_event();
  54         int state;
  55
  56         enum
  57         {
  58                 NONE,
  59                 DRAG,
  60                 DRAG_FULL,
  61                 ZOOM
  62         };
  63
  64         int start_cursor_x, start_cursor_y;
  65         float start_x1, start_y1;
  66         float start_x2, start_y2;
  67         float start_x3, start_y3;
  68         float start_x4, start_y4;
  69         PerspectiveMain *plugin;
  70 };
  71
  72 class PerspectiveCoord : public BC_TumbleTextBox
  73 {
  74 public:
  75         PerspectiveCoord(PerspectiveWindow *gui,
  76                 PerspectiveMain *plugin,
  77                 int x,
  78                 int y,
  79                 float value,
  80                 int is_x);
  81         int handle_event();
  82         PerspectiveMain *plugin;
  83         int is_x;
  84 };
  85
  86 class PerspectiveReset : public BC_GenericButton
  87 {
  88 public:
  89         PerspectiveReset(PerspectiveMain *plugin,
  90                 int x,
  91                 int y);
  92         int handle_event();
  93         PerspectiveMain *plugin;
  94 };
  95
  96 class PerspectiveMode : public BC_Radial
  97 {
  98 public:
  99         PerspectiveMode(PerspectiveMain *plugin,
 100                 int x,
 101                 int y,
 102                 int value,
 103                 char *text);
 104         int handle_event();
 105         PerspectiveMain *plugin;
 106         int value;
 107 };
 108
 109 class PerspectiveDirection : public BC_Radial
 110 {
 111 public:
 112         PerspectiveDirection(PerspectiveMain *plugin,
 113                 int x,
 114                 int y,
 115                 int value,
 116                 char *text);
 117         int handle_event();
 118         PerspectiveMain *plugin;
 119         int value;
 120 };
 121
 122 class PerspectiveWindow : public BC_Window
 123 {
 124 public:
 125         PerspectiveWindow(PerspectiveMain *plugin, int x, int y);
 126         ~PerspectiveWindow();
 127
 128         int create_objects();
 129         int close_event();
 130         int resize_event(int x, int y);
 131         void update_canvas();
 132         void update_mode();
 133         void update_coord();
 134         void calculate_canvas_coords(int &x1,
 135                 int &y1,
 136                 int &x2,
 137                 int &y2,
 138                 int &x3,
 139                 int &y3,
 140                 int &x4,
 141                 int &y4);
 142
 143         PerspectiveCanvas *canvas;
 144         PerspectiveCoord *x, *y;
 145         PerspectiveReset *reset;
 146         PerspectiveMode *mode_perspective, *mode_sheer, *mode_stretch;
 147         PerspectiveMain *plugin;
 148         PerspectiveDirection *forward, *reverse;
 149 };
 150
 151
 152
 153 PLUGIN_THREAD_HEADER(PerspectiveMain, PerspectiveThread, PerspectiveWindow)
 154
 155
 156 class PerspectiveMain : public PluginVClient
 157 {
 158 public:
 159         PerspectiveMain(PluginServer *server);
 160         ~PerspectiveMain();
 161
 162         int process_buffer(VFrame *frame,
 163                 int64_t start_position,
 164                 double frame_rate);
 165         int is_realtime();
 166         int load_defaults();
 167         int save_defaults();
 168         void save_data(KeyFrame *keyframe);
 169         void read_data(KeyFrame *keyframe);
 170         void update_gui();
 171
 172         PLUGIN_CLASS_MEMBERS(PerspectiveConfig, PerspectiveThread)
 173
 174         float get_current_x();
 175         float get_current_y();
 176         void set_current_x(float value);
 177         void set_current_y(float value);
 178         VFrame *input, *output;
 179         VFrame *temp;
 180         AffineEngine *engine;
 181 };
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