122 lines
5.2 KiB
C++
Executable File
122 lines
5.2 KiB
C++
Executable File
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _THUMBNAIL_
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#define _THUMBNAIL_
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#include <string>
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#include <glibmm.h>
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#include <cachemanager.h>
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#include <options.h>
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#include <rtengine.h>
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#include <cachefilestruct.h>
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class CacheManager;
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class Thumbnail {
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Glib::Mutex* mutex;
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Glib::ustring fname; // file name corresponding to the thumbnail
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CacheImageData* cfs; // cache entry corresponding to the thumbnail
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CacheManager* cachemgr; // parent
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int ref; // variable for reference counting
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int enqueueNumber; // the number of instances in the batch queue corresponding to this thumbnail
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// if the thumbnail is in non-processed mode, these fields hold the thumbnail image:
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unsigned char* tImgData;
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int tw, th; // dimensions of timgdata (it stores tpp->width and tpp->height in processed mode for simplicity)
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// if the thumbnail is in processed mode, this class holds its data:
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rtengine::ThumbnailProcessingParameters* tpp;
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rtengine::procparams::ProcParams pparams;
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bool pparamsValid;
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bool pparamsSet;
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bool needsReProcessing;
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// these are the data of the result image of the last getthumbnailimage call (for caching purposes)
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unsigned char* lastImg;
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int lastW;
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int lastH;
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void infoFromImage (const Glib::ustring& fname, rtengine::RawMetaDataLocation* rml=NULL);
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void loadThumbnail (bool sizeOnly=false);
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void saveThumbnail ();
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void generateProcessedThumbnailImage (bool useLock=true);
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void generatePreviewThumbnailImage (bool useLock=true);
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Glib::ustring getCacheFileName (Glib::ustring subdir);
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public:
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Thumbnail (CacheManager* cm, const Glib::ustring& fname, CacheImageData* cf);
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Thumbnail (CacheManager* cm, const Glib::ustring& fname, const std::string& md5);
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~Thumbnail ();
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bool hasProcParams ();
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const rtengine::procparams::ProcParams& getProcParams ();
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void setProcParams (const rtengine::procparams::ProcParams& pp, bool updateCacheNow=true);
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void clearProcParams ();
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void loadProcParams ();
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bool isRecentlySaved ();
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void imageDeveloped ();
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void imageEnqueued ();
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void imageRemovedFromQueue ();
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bool isEnqueued ();
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unsigned char* getThumbnailImage (int &w, int &h, int fixwh=1); // fixwh = 0: fix w and calculate h, =1: fix h and calculate w
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void getThumbnailSize (int &w, int &h, int fixwh=1); // fixwh = 0: fix w and calculate h, =1: fix h and calculate w
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void generateThumbnailImage (bool useLock=true);
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Glib::ustring getExifString ();
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Glib::ustring getDateTimeString ();
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ThFileType getType ();
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Glib::ustring getFileName () { return fname; }
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void setFileName (const Glib::ustring fn) { fname = fn; }
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bool isSupported ();
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void saveToCache (FILE* f, bool full);
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void setFilePos (int fp) { filePos = fp; }
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int getFilePos () { return filePos; }
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int getRank () { return cfs->rank; }
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void setRank (int rank) { cfs->rank = rank; }
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int getStage () { return cfs->stage; }
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void setStage (int stage) { cfs->stage = stage; }
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void increaseRef ();
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void decreaseRef ();
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void updateCache (bool pparams=true, bool thumbImg=true, bool useLock=true);
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const CacheFileStruct* getCacheFileStruct () const { return cfs; }
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int loadJPEGThumbnail (int offset, unsigned char* &data, int &width, int &height, int degree=0, int fixwh=1);
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int loadPPMThumbnail (int offset, int iw, int ih, unsigned char* &data, int &width, int &height, int degree=0, int fixwh=1);
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int loadPNGThumbnail (unsigned char* &data, int &width, int &height, int fixwh=1);
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int loadTIFFThumbnail (unsigned char* &data, int &width, int &height, int fixwh=1);
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};
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#endif
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