Aegisub/prs/prs_file.h

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// Copyright (c) 2005, 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
//////////////
// Prototypes
class PRSEntry;
class PRSImage;
class PRSDisplay;
///////////
// Headers
#include <list>
#include <vector>
#include "prs_video_frame.h"
///////////////////////////////
// Pre-Rendered Subtitles file
class PRSFile {
private:
std::list<PRSEntry*> entryList;
std::list<PRSCachedFrame> frameCache;
int cacheMemSize;
int maxCache;
void Reset();
void EnforceCacheLimit();
public:
PRSFile();
~PRSFile();
void AddEntry(PRSEntry *entry);
void Save(std::string path);
void Load(std::string path,bool reset=true);
void SaveText(std::string path);
void LoadText(std::string path,bool reset=true);
void GetDisplayBlocksAtFrame(int n,std::vector<PRSDisplay*> &blocks);
bool HasDataAtFrame(int n);
void DrawFrame(int n,PRSVideoFrame *frame);
PRSImage *GetImageByID(int id);
PRSVideoFrame *CachedGetFrameByID(int id);
void ClearCache();
void SetCacheLimit(int bytes);
PRSImage *FindDuplicateImage(PRSImage *img);
};