TextDecoder::TextDecoder (
Decoder* parent,
- shared_ptr<const TextContent> content,
- ContentTime first
+ shared_ptr<const TextContent> content
)
: DecoderPart (parent)
, _content (content)
- , _position (first)
{
}
TextDecoder::emit_bitmap_start (ContentBitmapText const& bitmap)
{
BitmapStart (bitmap);
- _position = bitmap.from();
-}
-
-
-static
-string
-escape_text (string text)
-{
- /* We must escape some things, otherwise they might confuse our subtitle
- renderer (which uses entities and some HTML-esque markup to do bold/italic etc.)
- */
- boost::algorithm::replace_all(text, "&", "&");
- boost::algorithm::replace_all(text, "<", "<");
- boost::algorithm::replace_all(text, ">", ">");
- return text;
+ maybe_set_position(bitmap.from());
}
static
void
-set_forced_appearance(shared_ptr<const TextContent> content, dcp::SubtitleString& subtitle)
+set_forced_appearance(shared_ptr<const TextContent> content, StringText& subtitle)
{
if (content->colour()) {
subtitle.set_colour(*content->colour());
void
-TextDecoder::emit_plain_start (ContentTime from, vector<dcp::SubtitleString> subtitles)
+TextDecoder::emit_plain_start (ContentTime from, vector<dcp::SubtitleString> subtitles, dcp::Standard valign_standard)
{
+ vector<StringText> string_texts;
+
for (auto& subtitle: subtitles) {
- subtitle.set_text(escape_text(subtitle.text()));
- set_forced_appearance(content(), subtitle);
+ auto string_text = StringText(
+ subtitle,
+ content()->outline_width(),
+ content()->get_font(subtitle.font().get_value_or("")),
+ valign_standard
+ );
+ string_text.set_text(string_text.text());
+ set_forced_appearance(content(), string_text);
+ string_texts.push_back(string_text);
}
- PlainStart(ContentStringText(from, subtitles));
- _position = from;
+ PlainStart(ContentStringText(from, string_texts));
+ maybe_set_position(from);
}
void
-TextDecoder::emit_plain_start (ContentTime from, sub::Subtitle const & subtitle)
+TextDecoder::emit_plain_start (ContentTime from, sub::Subtitle const & sub_subtitle)
{
/* See if our next subtitle needs to be vertically placed on screen by us */
bool needs_placement = false;
optional<int> bottom_line;
- for (auto line: subtitle.lines) {
+ for (auto line: sub_subtitle.lines) {
if (!line.vertical_position.reference || (line.vertical_position.line && !line.vertical_position.lines) || line.vertical_position.reference.get() == sub::TOP_OF_SUBTITLE) {
needs_placement = true;
if (!bottom_line || bottom_line.get() < line.vertical_position.line.get()) {
/* Find the lowest proportional position */
optional<float> lowest_proportional;
- for (auto line: subtitle.lines) {
+ for (auto line: sub_subtitle.lines) {
if (line.vertical_position.proportional) {
if (!lowest_proportional) {
lowest_proportional = line.vertical_position.proportional;
}
}
- vector<dcp::SubtitleString> out;
- for (auto line: subtitle.lines) {
+ vector<StringText> string_texts;
+ for (auto line: sub_subtitle.lines) {
for (auto block: line.blocks) {
if (!block.font_size.specified()) {
switch (line.vertical_position.reference.get_value_or(sub::BOTTOM_OF_SCREEN)) {
case sub::BOTTOM_OF_SCREEN:
case sub::TOP_OF_SUBTITLE:
- /* This 1.015 is an arbitrary value to lift the bottom sub off the bottom
+ /* This 0.9 is an arbitrary value to lift the bottom sub off the bottom
of the screen a bit to a pleasing degree.
*/
- v_position = 1.015 -
+ v_position = 0.9 -
(1 + bottom_line.get() - line.vertical_position.line.get()) * multiplier;
v_align = dcp::VAlign::TOP;
content by the other emit_plain_start() above.
*/
- out.push_back (
- dcp::SubtitleString (
- string(TEXT_FONT_ID),
- block.italic,
- block.bold,
- block.underline,
- block.colour.dcp(),
- block.font_size.points (72 * 11),
- 1.0,
- dcp::Time (from.seconds(), 1000),
- /* XXX: hmm; this is a bit ugly (we don't know the to time yet) */
- dcp::Time (),
- h_position,
- h_align,
- v_position,
- v_align,
- dcp::Direction::LTR,
- block.text,
- dcp::Effect::NONE,
- block.effect_colour.get_value_or(sub::Colour(0, 0, 0)).dcp(),
- /* Hack: we should use subtitle.fade_up and subtitle.fade_down here
- but the times of these often don't have a frame rate associated
- with them so the sub::Time won't convert them to milliseconds without
- throwing an exception. Since only DCP subs fill those in (and we don't
- use libsub for DCP subs) we can cheat by just putting 0 in here.
- */
- dcp::Time (),
- dcp::Time (),
- 0
- )
+ auto dcp_colour = [](sub::Colour const& c) {
+ return dcp::Colour(lrintf(c.r * 255), lrintf(c.g * 255), lrintf(c.b * 255));
+ };
+
+ auto dcp_subtitle = dcp::SubtitleString(
+ optional<string>(),
+ block.italic,
+ block.bold,
+ block.underline,
+ dcp_colour(block.colour),
+ block.font_size.points (72 * 11),
+ 1.0,
+ dcp::Time (from.seconds(), 1000),
+ /* XXX: hmm; this is a bit ugly (we don't know the to time yet) */
+ dcp::Time (),
+ h_position,
+ h_align,
+ v_position,
+ v_align,
+ 0,
+ dcp::Direction::LTR,
+ block.text,
+ dcp::Effect::NONE,
+ dcp_colour(block.effect_colour.get_value_or(sub::Colour(0, 0, 0))),
+ /* Hack: we should use subtitle.fade_up and subtitle.fade_down here
+ but the times of these often don't have a frame rate associated
+ with them so the sub::Time won't convert them to milliseconds without
+ throwing an exception. Since only DCP subs fill those in (and we don't
+ use libsub for DCP subs) we can cheat by just putting 0 in here.
+ */
+ dcp::Time (),
+ dcp::Time (),
+ 0
+ );
+
+ auto string_text = StringText(
+ dcp_subtitle,
+ content()->outline_width(),
+ content()->get_font(block.font.get_value_or("")),
+ dcp::Standard::SMPTE
);
+ set_forced_appearance(content(), string_text);
+ string_texts.push_back(string_text);
}
}
- /* Pass these subs through the other emit_plain_start so that they get their forced settings applied */
- emit_plain_start (from, out);
+ PlainStart(ContentStringText(from, string_texts));
+ maybe_set_position(from);
}
void
-TextDecoder::emit_plain (ContentTimePeriod period, vector<dcp::SubtitleString> subtitles)
+TextDecoder::emit_plain (ContentTimePeriod period, vector<dcp::SubtitleString> subtitles, dcp::Standard valign_standard)
{
- emit_plain_start (period.from, subtitles);
+ emit_plain_start (period.from, subtitles, valign_standard);
emit_stop (period.to);
}
{
_position = ContentTime ();
}
+
+
+void
+TextDecoder::maybe_set_position (dcpomatic::ContentTime position)
+{
+ if (!_position || position > *_position) {
+ _position = position;
+ }
+}
+
projects / dcpomatic.git / blobdiff