libdcp
text.h
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1 /*
2  Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
3 
4  This file is part of libdcp.
5 
6  libdcp 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.
10 
11  libdcp 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.
15 
16  You should have received a copy of the GNU General Public License
17  along with libdcp. If not, see <http://www.gnu.org/licenses/>.
18 
19  In addition, as a special exception, the copyright holders give
20  permission to link the code of portions of this program with the
21  OpenSSL library under certain conditions as described in each
22  individual source file, and distribute linked combinations
23  including the two.
24 
25  You must obey the GNU General Public License in all respects
26  for all of the code used other than OpenSSL. If you modify
27  file(s) with this exception, you may extend this exception to your
28  version of the file(s), but you are not obligated to do so. If you
29  do not wish to do so, delete this exception statement from your
30  version. If you delete this exception statement from all source
31  files in the program, then also delete it here.
32 */
33 
34 
40 #ifndef LIBDCP_TEXT_H
41 #define LIBDCP_TEXT_H
42 
43 
44 #include "dcp_time.h"
45 #include "h_align.h"
46 #include "v_align.h"
47 
48 
49 namespace dcp {
50 
51 
52 class EqualityOptions;
53 
54 
55 class Text
56 {
57 public:
58  virtual ~Text() {}
59 
61  Time in () const {
62  return _in;
63  }
64 
66  Time out () const {
67  return _out;
68  }
69 
70  float h_position () const {
71  return _h_position;
72  }
73 
74  HAlign h_align () const {
75  return _h_align;
76  }
77 
82  float v_position () const {
83  return _v_position;
84  }
85 
86  VAlign v_align () const {
87  return _v_align;
88  }
89 
90  float z_position() const {
91  return _z_position;
92  }
93 
94  Time fade_up_time () const {
95  return _fade_up_time;
96  }
97 
98  Time fade_down_time () const {
99  return _fade_down_time;
100  }
101 
102  void set_in (Time i) {
103  _in = i;
104  }
105 
106  void set_out (Time o) {
107  _out = o;
108  }
109 
110  void set_h_position (float p) {
111  _h_position = p;
112  }
113 
117  void set_v_position (float p) {
118  _v_position = p;
119  }
120 
121  void set_z_position(float z) {
122  _z_position = z;
123  }
124 
125  void set_fade_up_time (Time t) {
126  _fade_up_time = t;
127  }
128 
129  void set_fade_down_time (Time t) {
130  _fade_down_time = t;
131  }
132 
133  virtual bool equals(std::shared_ptr<const dcp::Text> other, EqualityOptions const& options, NoteHandler note) const;
134 
135 protected:
136 
137  Text(
138  Time in,
139  Time out,
140  float h_position,
141  HAlign h_align,
142  float v_position,
143  VAlign v_align,
144  float z_position,
145  Time fade_up_time,
146  Time fade_down_time
147  );
148 
149  Time _in;
150  Time _out;
154  float _h_position = 0;
155  HAlign _h_align = HAlign::CENTER;
159  float _v_position = 0;
160  VAlign _v_align = VAlign::CENTER;
161  float _z_position = 0;
162  Time _fade_up_time;
163  Time _fade_down_time;
164 };
165 
166 
167 }
168 
169 
170 #endif
Definition: text.h:56
Text(Time in, Time out, float h_position, HAlign h_align, float v_position, VAlign v_align, float z_position, Time fade_up_time, Time fade_down_time)
Definition: text.cc:51
float _h_position
Definition: text.h:154
void set_v_position(float p)
Definition: text.h:117
Time in() const
Definition: text.h:61
float _v_position
Definition: text.h:159
Time out() const
Definition: text.h:66
float v_position() const
Definition: text.h:82
A representation of time within a DCP.
Definition: dcp_time.h:73
Time class.
Namespace for everything in libdcp.
Definition: array_data.h:50
HAlign
Definition: h_align.h:46
@ CENTER
horizontal position is distance from centre of screen to centre of subtitle
VAlign
Definition: v_align.h:46