using std::max;
using std::cout;
using boost::locale::conv::utf_to_utf;
+using boost::optional;
using namespace sub;
/** Arbitrary number which to divide the screen into rows; e.g.
}
}
+static int
+vertical_position (sub::Line const & line)
+{
+ int vp = 0;
+ if (line.vertical_position.proportional) {
+ switch (line.vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
+ case TOP_OF_SCREEN:
+ vp = rint (line.vertical_position.proportional.get() * ROWS);
+ break;
+ case CENTRE_OF_SCREEN:
+ vp = rint (line.vertical_position.proportional.get() * ROWS + (ROWS / 2.0));
+ break;
+ case BOTTOM_OF_SCREEN:
+ vp = rint (ROWS - (line.vertical_position.proportional.get() * ROWS));
+ break;
+ default:
+ break;
+ }
+ } else if (line.vertical_position.line) {
+ float const prop = float (line.vertical_position.line.get()) / line.vertical_position.lines.get ();
+ switch (line.vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
+ case TOP_OF_SCREEN:
+ vp = prop * ROWS;
+ break;
+ case CENTRE_OF_SCREEN:
+ vp = (prop + 0.5) * ROWS;
+ break;
+ case BOTTOM_OF_SCREEN:
+ vp = (1 - prop) * ROWS;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return vp;
+}
+
/** @param language ISO 3-character country code for the language of the subtitles */
void
sub::write_stl_binary (
ofstream output (file_name.string().c_str ());
STLBinaryTables tables;
- /* Find the longest subtitle in characters and the number of lines */
+ /* Find the longest subtitle in characters */
int longest = 0;
- int lines = 0;
for (list<Subtitle>::const_iterator i = subtitles.begin(); i != subtitles.end(); ++i) {
for (list<Line>::const_iterator j = i->lines.begin(); j != i->lines.end(); ++j) {
t += k->text.size ();
}
longest = max (longest, t);
- ++lines;
}
}
put_string (buffer + 230, revision_date);
put_int_as_string (buffer + 236, revision_number, 2);
/* TTI blocks */
- put_int_as_string (buffer + 238, lines, 5);
+ put_int_as_string (buffer + 238, subtitles.size(), 5);
/* Total number of subtitles */
- put_int_as_string (buffer + 243, lines, 5);
+ put_int_as_string (buffer + 243, subtitles.size(), 5);
/* Total number of subtitle groups */
put_string (buffer + 248, "001");
/* Maximum number of displayable characters in any text row */
output.write (buffer, 1024);
for (list<Subtitle>::const_iterator i = subtitles.begin(); i != subtitles.end(); ++i) {
- int N = 0;
+
+ /* Find the top vertical position of this subtitle */
+ optional<int> top;
for (list<Line>::const_iterator j = i->lines.begin(); j != i->lines.end(); ++j) {
+ int const vp = vertical_position (*j);
+ if (!top || vp < top.get ()) {
+ top = vp;
+ }
+ }
- memset (buffer, 0, 1024);
-
- /* Subtitle group number */
- put_int_as_int (buffer + 0, 1, 1);
- /* Subtitle number */
- put_int_as_int (buffer + 1, N, 2);
- /* Extension block number. Use 0xff here to indicate that it is the last TTI
- block in this subtitle "set", as we only ever use one.
- */
- put_int_as_int (buffer + 3, 255, 1);
- /* Cumulative status */
- put_int_as_int (buffer + 4, tables.cumulative_status_enum_to_file (CUMULATIVE_STATUS_NOT_CUMULATIVE), 1);
- /* Time code in */
- put_int_as_int (buffer + 5, i->from.hours (), 1);
- put_int_as_int (buffer + 6, i->from.minutes (), 1);
- put_int_as_int (buffer + 7, i->from.seconds (), 1);
- put_int_as_int (buffer + 8, i->from.frames_at (sub::Rational (frames_per_second * 1000, 1000)), 1);
- /* Time code out */
- put_int_as_int (buffer + 9, i->to.hours (), 1);
- put_int_as_int (buffer + 10, i->to.minutes (), 1);
- put_int_as_int (buffer + 11, i->to.seconds (), 1);
- put_int_as_int (buffer + 12, i->to.frames_at (sub::Rational (frames_per_second * 1000, 1000)), 1);
- /* Vertical position */
- int vp = 0;
- if (j->vertical_position.proportional) {
- switch (j->vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
- case TOP_OF_SCREEN:
- vp = rint (j->vertical_position.proportional.get() * ROWS);
- break;
- case CENTRE_OF_SCREEN:
- vp = rint (j->vertical_position.proportional.get() * ROWS + (ROWS / 2.0));
- break;
- case BOTTOM_OF_SCREEN:
- vp = rint (ROWS - (j->vertical_position.proportional.get() * ROWS));
- break;
- default:
- break;
- }
- } else if (j->vertical_position.line) {
- float const prop = float (j->vertical_position.line.get()) / j->vertical_position.lines.get ();
- switch (j->vertical_position.reference.get_value_or (TOP_OF_SCREEN)) {
- case TOP_OF_SCREEN:
- vp = prop * ROWS;
- break;
- case CENTRE_OF_SCREEN:
- vp = (prop + 0.5) * ROWS;
- break;
- case BOTTOM_OF_SCREEN:
- vp = (1 - prop) * ROWS;
- break;
- default:
- break;
+ memset (buffer, 0, 1024);
+
+ /* Subtitle group number */
+ put_int_as_int (buffer + 0, 1, 1);
+ /* Subtitle number */
+ put_int_as_int (buffer + 1, 0, 2);
+ /* Extension block number. Use 0xff here to indicate that it is the last TTI
+ block in this subtitle "set", as we only ever use one.
+ */
+ put_int_as_int (buffer + 3, 255, 1);
+ /* Cumulative status */
+ put_int_as_int (buffer + 4, tables.cumulative_status_enum_to_file (CUMULATIVE_STATUS_NOT_CUMULATIVE), 1);
+ /* Time code in */
+ put_int_as_int (buffer + 5, i->from.hours(), 1);
+ put_int_as_int (buffer + 6, i->from.minutes(), 1);
+ put_int_as_int (buffer + 7, i->from.seconds(), 1);
+ put_int_as_int (buffer + 8, i->from.frames_at(sub::Rational (frames_per_second * 1000, 1000)), 1);
+ /* Time code out */
+ put_int_as_int (buffer + 9, i->to.hours(), 1);
+ put_int_as_int (buffer + 10, i->to.minutes(), 1);
+ put_int_as_int (buffer + 11, i->to.seconds(), 1);
+ put_int_as_int (buffer + 12, i->to.frames_at(sub::Rational (frames_per_second * 1000, 1000)), 1);
+ /* Vertical position */
+ put_int_as_int (buffer + 13, top.get(), 1);
+
+ /* Justification code */
+ /* XXX: this assumes the first line has the right value */
+ switch (i->lines.front().horizontal_position) {
+ case LEFT:
+ put_int_as_int (buffer + 14, tables.justification_enum_to_file (JUSTIFICATION_LEFT), 1);
+ break;
+ case CENTRE:
+ put_int_as_int (buffer + 14, tables.justification_enum_to_file (JUSTIFICATION_CENTRE), 1);
+ break;
+ case RIGHT:
+ put_int_as_int (buffer + 14, tables.justification_enum_to_file (JUSTIFICATION_RIGHT), 1);
+ break;
+ }
+
+ /* Comment flag */
+ put_int_as_int (buffer + 15, tables.comment_enum_to_file (COMMENT_NO), 1);
+
+ /* Text */
+ string text;
+ bool italic = false;
+ bool underline = false;
+ optional<int> last_vp;
+
+ for (list<Line>::const_iterator j = i->lines.begin(); j != i->lines.end(); ++j) {
+
+ /* CR/LF down to this line */
+ int const vp = vertical_position (*j);
+
+ if (last_vp) {
+ for (int i = last_vp.get(); i < vp; ++i) {
+ text += "\x8A";
}
}
- put_int_as_int (buffer + 13, vp, 1);
- /* Justification code */
- /* XXX */
- put_int_as_int (buffer + 14, tables.justification_enum_to_file (JUSTIFICATION_NONE), 1);
- /* Comment flag */
- put_int_as_int (buffer + 15, tables.comment_enum_to_file (COMMENT_NO), 1);
-
- /* Text */
- string text;
- bool italic = false;
- bool underline = false;
+
+ last_vp = vp;
for (list<Block>::const_iterator k = j->blocks.begin(); k != j->blocks.end(); ++k) {
if (k->underline && !underline) {
text += utf16_to_iso6937 (utf_to_utf<wchar_t> (k->text));
}
+ }
- text += "\x8A";
-
- /* Turn italic/underline off before the end of this subtitle */
-
- if (underline) {
- text += "\x83";
- }
+ /* Turn italic/underline off before the end of this subtitle */
- if (italic) {
- text += "\x81";
- }
-
- if (text.length() > 111) {
- text = text.substr (111);
- }
+ if (underline) {
+ text += "\x83";
+ }
- while (text.length() < 112) {
- text += "\x8F";
- }
+ if (italic) {
+ text += "\x81";
+ }
- put_string (buffer + 16, text);
- output.write (buffer, 128);
+ if (text.length() > 111) {
+ text = text.substr (111);
+ }
- ++N;
+ while (text.length() < 112) {
+ text += "\x8F";
}
+
+ put_string (buffer + 16, text);
+ output.write (buffer, 128);
}
delete[] buffer;
projects / libsub.git / blobdiff