Aegisub/src/ass_karaoke.h

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// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include <map>
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#include <string>
#include <vector>
#include <libaegisub/signal.h>
namespace agi { struct Context; }
class AssDialogue;
/// @class AssKaraoke
/// @brief Karaoke parser and parsed karaoke data model
class AssKaraoke {
public:
/// Parsed syllable data
struct Syllable {
int start_time; ///< Start time relative to time zero (not line start) in milliseconds
int duration; ///< Duration in milliseconds
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std::string text; ///< Stripped syllable text
std::string tag_type; ///< \k, \kf or \ko
/// Non-karaoke override tags in this syllable. Key is an index in text
/// before which the value should be inserted
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std::map<size_t, std::string> ovr_tags;
/// Get the text of this line with override tags and optionally the karaoke tag
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std::string GetText(bool k_tag) const;
};
private:
std::vector<Syllable> syls;
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bool no_announce = false;
agi::signal::Signal<> AnnounceSyllablesChanged;
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void ParseSyllables(AssDialogue *line, Syllable &syl);
public:
/// Constructor
/// @param line Initial line
/// @param auto_split Should the line automatically be split on spaces if there are no k tags?
/// @param normalize Should the total duration of the syllables be forced to equal the line duration?
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AssKaraoke(AssDialogue *line = nullptr, bool auto_split = false, bool normalize = true);
/// Parse a dialogue line
void SetLine(AssDialogue *line, bool auto_split = false, bool normalize = true);
/// Add a split before character pos in syllable syl_idx
void AddSplit(size_t syl_idx, size_t pos);
/// Remove the split at the given index
void RemoveSplit(size_t syl_idx);
/// Set the start time of a syllable in ms
void SetStartTime(size_t syl_idx, int time);
/// Adjust the line's start and end times without shifting the syllables
void SetLineTimes(int start_time, int end_time);
typedef std::vector<Syllable>::const_iterator iterator;
iterator begin() const { return syls.begin(); }
iterator end() const { return syls.end(); }
size_t size() const { return syls.size(); }
/// Get the line's text with k tags
std::string GetText() const;
/// Get the karaoke tag type used, with leading slash
/// @returns "\k", "\kf", or "\ko"
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std::string GetTagType() const;
/// Set the tag type for all karaoke tags in this line
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void SetTagType(std::string const& new_type);
DEFINE_SIGNAL_ADDERS(AnnounceSyllablesChanged, AddSyllablesChangedListener)
};