Aegisub/aegisub/src/subtitle_format_transtation...

178 lines
5.3 KiB
C++

// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file subtitle_format_transtation.cpp
/// @brief Reading/writing Transtation-compatible subtitles
/// @ingroup subtitle_io
///
///////////
// Headers
#include "config.h"
#ifndef AGI_PRE
#include <stdio.h>
#endif
#include "ass_dialogue.h"
#include "ass_file.h"
#include "ass_style.h"
#include "ass_time.h"
#include "subtitle_format_transtation.h"
#include "text_file_writer.h"
/// @brief Name
/// @return
///
wxString TranStationSubtitleFormat::GetName() {
return _T("TranStation");
}
/// @brief Wildcards
/// @return
///
wxArrayString TranStationSubtitleFormat::GetWriteWildcards() {
wxArrayString formats;
formats.Add(_T("transtation.txt"));
return formats;
}
/// @brief Can write file?
/// @param filename
/// @return
///
bool TranStationSubtitleFormat::CanWriteFile(wxString filename) {
return (filename.Right(16).Lower() == _T(".transtation.txt"));
}
/// @brief Write file
/// @param _filename
/// @param encoding
/// @return
///
void TranStationSubtitleFormat::WriteFile(wxString _filename,wxString encoding) {
// Get FPS
FPSRational fps_rat = AskForFPS(true);
if (fps_rat.num <= 0 || fps_rat.den <= 0) return;
// Open file
TextFileWriter file(_filename,encoding);
// Convert to TranStation
CreateCopy();
SortLines();
StripComments();
RecombineOverlaps();
MergeIdentical();
// Write lines
using std::list;
AssDialogue *current = NULL;
AssDialogue *next = NULL;
for (list<AssEntry*>::iterator cur=Line->begin();cur!=Line->end();cur++) {
if (next)
current = next;
next = dynamic_cast<AssDialogue*>(*cur);
if (current && !current->Comment) {
// Write text
file.WriteLineToFile(ConvertLine(current,&fps_rat,(next && !next->Comment) ? next->Start.GetMS() : -1));
file.WriteLineToFile(_T(""));
}
}
// flush last line
if (next && !next->Comment)
file.WriteLineToFile(ConvertLine(next,&fps_rat,-1));
// Every file must end with this line
file.WriteLineToFile(_T("SUB["));
// Clean up
ClearCopy();
}
/// @brief DOCME
/// @param current
/// @param fps_rat
/// @param nextl_start
///
wxString TranStationSubtitleFormat::ConvertLine(AssDialogue *current, FPSRational *fps_rat, int nextl_start) {
// Get line data
AssStyle *style = GetAssFile()->GetStyle(current->Style);
int valign = 0;
const wxChar *halign = _T(" "); // default is centered
const wxChar *type = _T("N"); // no special style
if (style) {
if (style->alignment >= 4) valign = 4;
if (style->alignment >= 7) valign = 9;
if (style->alignment == 1 || style->alignment == 4 || style->alignment == 7) halign = _T("L");
if (style->alignment == 3 || style->alignment == 6 || style->alignment == 9) halign = _T("R");
if (style->italic) type = _T("I");
}
// Hack: If an italics-tag (\i1) appears anywhere in the line,
// make it all italics
if (current->Text.Find(_T("\\i1")) != wxNOT_FOUND)type = _T("I");
// Write header
AssTime start = current->Start;
AssTime end = current->End;
// Subtract one frame if the end time of the current line is equal to the
// start of next one, since the end timestamp is inclusive and the lines
// would overlap if left as is.
if (nextl_start > 0 && end.GetMS() == nextl_start)
end.SetMS(end.GetMS() - ((1000*fps_rat->den)/fps_rat->num));
FractionalTime ft(_T(":"), fps_rat->num, fps_rat->den, fps_rat->smpte_dropframe);
wxString header = wxString::Format(_T("SUB[%i%s%s "),valign,halign,type) + ft.FromAssTime(start) + _T(">") + ft.FromAssTime(end) + _T("]\r\n");
// Process text
wxString lineEnd = _T("\r\n");
current->StripTags();
current->Text.Replace(_T("\\h"),_T(" "),true);
current->Text.Replace(_T("\\n"),lineEnd,true);
current->Text.Replace(_T("\\N"),lineEnd,true);
while (current->Text.Replace(lineEnd+lineEnd,lineEnd,true)) {};
return header + current->Text;
}