2012-05-17 21:41:48 +02:00

117 lines
3.6 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2012 Oliver Duis <www.oliverduis.de>
*
* 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 _LCP_
#define _LCP_
#include "imagefloat.h"
#include <glibmm.h>
#include <map>
#include <list>
#include <string>
#include <expat.h>
namespace rtengine {
// Perspective model common data, also used for Vignette and Fisheye
class LCPModelCommon {
public:
float focLenX, focLenY, imgXCenter, imgYCenter;
float param[5]; // k1..k5
float scaleFac;
LCPModelCommon();
bool empty() const; // is it empty?
void print() const; // printf all values
};
class LCPPersModel {
public:
float focLen, focDist, aperture; // this is what it refers to
LCPModelCommon base; // base perspective correction
LCPModelCommon chromRG, chromG, chromBG; // red/green, green, blue/green (may be empty)
LCPModelCommon vignette; // vignette (may be empty)
LCPPersModel();
void print() const;
};
class LCPProfile {
// Temporary data for parsing
bool inCamProfiles,firstLIDone,inPerspect;
char lastTag[256];
LCPPersModel* pCurPersModel;
LCPModelCommon* pCurCommon;
static void XMLCALL XmlStartHandler(void *pLCPProfile, const char *el, const char **attr);
static void XMLCALL XmlTextHandler (void *pLCPProfile, const XML_Char *s, int len);
static void XMLCALL XmlEndHandler (void *pLCPProfile, const char *el);
public:
// Common data
Glib::ustring profileName, lensPrettyName, cameraPrettyName, lens, camera; // lens/camera(=model) can be auto-matched with DNG
bool isRaw,isFisheye;
// The correction frames
std::list<LCPPersModel*> persModels;
LCPProfile(Glib::ustring fname);
void calcBasePerspectiveParams(float focalLength, bool vignette, LCPModelCommon& corr); // Interpolates between the persModels frames
void print() const;
};
class LCPStore {
Glib::Mutex mtx;
// Maps file name to profile as cache
std::map<Glib::ustring, LCPProfile*> profileCache;
public:
Glib::ustring getDefaultCommonDirectory() const;
bool isValidLCPFileName(Glib::ustring filename) const;
LCPProfile* getProfile(Glib::ustring filename);
static LCPStore* getInstance();
};
#define lcpStore LCPStore::getInstance()
// Once precalculated class to correct a point
class LCPMapper {
double x0,y0,fx,fy;
LCPModelCommon mc;
bool swapXY;
bool mirrorX, mirrorY;
public:
// precalculates the mapper.
LCPMapper(LCPProfile* pProf, float focalLength, bool vignette, int fullWidth, int fullHeight,
const CoarseTransformParams& coarse, int rawRotationDeg);
void correctDistortion(double& x, double& y) const; // MUST be the first stage
float correctVignette (double x, double y) const; // MUST be in RAW
};
}
#endif