rawTherapee/rtgui/thumbnail.h

131 lines
5.9 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _THUMBNAIL_
#define _THUMBNAIL_
#include <string>
#include <glibmm.h>
#include <cachemanager.h>
#include <options.h>
#include <rtengine.h>
#include <rtthumbnail.h>
#include <cacheimagedata.h>
#include <thumbnaillistener.h>
class CacheManager;
class Thumbnail {
Glib::Mutex* mutex;
Glib::ustring fname; // file name corresponding to the thumbnail
CacheImageData cfs; // cache entry corresponding to the thumbnail
CacheManager* cachemgr; // parent
int ref; // variable for reference counting
int enqueueNumber; // the number of instances in the batch queue corresponding to this thumbnail
// if the thumbnail is in processed mode, this class holds its data:
rtengine::Thumbnail* tpp;
int tw, th; // dimensions of timgdata (it stores tpp->width and tpp->height in processed mode for simplicity)
// double scale; // portion of the sizes of the processed thumbnail image and the full scale image
rtengine::procparams::ProcParams pparams;
bool pparamsValid;
bool pparamsSet;
bool needsReProcessing;
// these are the data of the result image of the last getthumbnailimage call (for caching purposes)
unsigned char* lastImg;
int lastW;
int lastH;
// exif & date/time strings
Glib::ustring exifString;
Glib::ustring dateTimeString;
// vector of listeners
std::vector<ThumbnailListener*> listeners;
void infoFromImage (const Glib::ustring& fname, rtengine::RawMetaDataLocation* rml=NULL);
void loadThumbnail (bool internal=false, bool firstTrial=true);
void saveThumbnail ();
void generateExifDateTimeStrings ();
Glib::ustring getCacheFileName (Glib::ustring subdir);
public:
Thumbnail (CacheManager* cm, const Glib::ustring& fname, CacheImageData* cf);
Thumbnail (CacheManager* cm, const Glib::ustring& fname, const std::string& md5);
~Thumbnail ();
bool hasProcParams ();
const rtengine::procparams::ProcParams& getProcParams ();
void setProcParams (const rtengine::procparams::ProcParams& pp, int whoChangedIt=-1, bool updateCacheNow=true);
void clearProcParams (int whoClearedIt=-1);
void loadProcParams ();
bool isRecentlySaved ();
void imageDeveloped ();
void imageEnqueued ();
void imageRemovedFromQueue ();
bool isEnqueued ();
// unsigned char* getThumbnailImage (int &w, int &h, int fixwh=1); // fixwh = 0: fix w and calculate h, =1: fix h and calculate w
rtengine::IImage8* processThumbImage (const rtengine::procparams::ProcParams& pparams, int h, double& scale);
void processThumbImage2 (const rtengine::procparams::ProcParams& pparams, int h, rtengine::IImage8*& img, double& scale) { img = processThumbImage(pparams, h, scale); }
void getThumbnailSize (int &w, int &h);
void getFinalSize (const rtengine::procparams::ProcParams& pparams, int& w, int& h) { if (tpp) tpp->getFinalSize (pparams, w, h); }
void generateThumbnailImage (bool internal=false);
const Glib::ustring& getExifString ();
const Glib::ustring& getDateTimeString ();
void getCamWB (double& temp, double& green) { if (tpp) tpp->getCamWB (temp, green); }
void getAutoWB (double& temp, double& green) { if (tpp) tpp->getAutoWB (temp, green); }
void getSpotWB (int x, int y, int rect, double& temp, double& green) { if (tpp) tpp->getSpotWB (getProcParams(), x, y, rect, temp, green); }
void applyAutoExp (rtengine::procparams::ProcParams& pparams) { if (tpp) tpp->applyAutoExp (pparams); }
ThFileType getType ();
Glib::ustring getFileName () { return fname; }
void setFileName (const Glib::ustring fn);
bool isSupported ();
const CacheImageData* getCacheImageData() { return &cfs; }
std::string getMD5 () { return cfs.md5; }
int getRank () { return cfs.rank; }
void setRank (int rank) { cfs.rank = rank; }
int getStage () { return cfs.inTrash; }
void setStage (int stage) { cfs.inTrash = stage; }
void addThumbnailListener (ThumbnailListener* tnl);
void removeThumbnailListener (ThumbnailListener* tnl);
void increaseRef ();
void decreaseRef ();
void updateCache ();
void reSaveThumbnail () { mutex->lock (); saveThumbnail(); mutex->unlock(); }
};
#endif