4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "automation.inc"
25 #include "transportque.inc"
27 PanAutos::PanAutos(EDL *edl, Track *track)
30 type = AUTOMATION_TYPE_PAN;
38 Auto* PanAutos::new_auto()
40 return new PanAuto(edl, this);
43 void PanAutos::get_handle(int &handle_x,
50 previous = (PanAuto*)get_prev_auto(position, direction, (Auto* &)previous);
51 next = (PanAuto*)get_next_auto(position, direction, (Auto* &)next);
54 if(previous->handle_x == next->handle_x &&
55 previous->handle_y == next->handle_y)
57 handle_x = previous->handle_x;
58 handle_y = previous->handle_y;
63 int64_t total = labs(next->position - previous->position);
65 if(direction == PLAY_FORWARD)
67 fraction = (double)(position - previous->position) / total;
71 fraction = (double)(previous->position - position) / total;
74 handle_x = (int)(previous->handle_x + (next->handle_x - previous->handle_x) * fraction);
75 handle_y = (int)(previous->handle_y + (next->handle_y - previous->handle_y) * fraction);
80 printf(" PanAutos::dump %p\n", this);
81 printf(" Default: position %jd\n", default_auto->position);
82 ((PanAuto*)default_auto)->dump();
83 for(Auto* current = first; current; current = NEXT)
85 printf(" position %jd\n", current->position);
86 ((PanAuto*)current)->dump();