Aegisub/aegisub/src/export_visible_lines.cpp

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// Copyright (c) 2005, Niels Martin Hansen
// 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#include "config.h"
#include "export_visible_lines.h"
#include "ass_file.h"
#include "ass_dialogue.h"
#include "ass_override.h"
#include "vfr.h"
///////////////
// Constructor
AssLimitToVisibleFilter::AssLimitToVisibleFilter() {
initialized = false;
frame = -1;
}
////////
// Init
void AssLimitToVisibleFilter::Init() {
if (initialized) return;
initialized = true;
autoExporter = true;
hidden = false;
Register(_("Limit to Visible Lines"),1000000);
description = _("Limit to Visible Lines");
}
///////////
// Process
void AssLimitToVisibleFilter::ProcessSubs(AssFile *subs, wxWindow *export_dialog) {
// Nothing to do
if (frame == -1) return;
// Process
using std::list;
AssDialogue *diag;
entryIter cur, next = subs->Line.begin();
while (next != subs->Line.end()) {
// Set next
cur = next++;
// Is dialogue?
diag = AssEntry::GetAsDialogue(*cur);
if (diag) {
int f1 = VFR_Output.GetFrameAtTime(diag->Start.GetMS(),true);
int f2 = VFR_Output.GetFrameAtTime(diag->End.GetMS(),false);
// Invisible, remove frame
if (f1 > frame || f2 < frame) {
subs->Line.erase(cur);
}
}
}
}
///////////////////////
// Set limitation time
void AssLimitToVisibleFilter::SetFrame(int _frame) {
instance.frame = _frame;
}
///////////////////
// Global instance
AssLimitToVisibleFilter AssLimitToVisibleFilter::instance;