/*
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/*
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* image.h
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* image.h
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*
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*
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* Include file for image.c.
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* Include file for image.c.
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*
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*
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*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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*
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*
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* This file part of: SExtractor
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* This file part of: SExtractor
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*
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*
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* Copyright: (C) 1993,1998-2010 IAP/CNRS/UPMC
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* Copyright: (C) 1993-2010 Emmanuel Bertin -- IAP/CNRS/UPMC
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* (C) 1994,1997 ESO
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* (C) 1995,1996 Sterrewacht Leiden
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*
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* Author: Emmanuel Bertin (IAP)
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*
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*
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* License: GNU General Public License
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* License: GNU General Public License
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*
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*
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* SExtractor is free software: you can redistribute it and/or modify
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* SExtractor 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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* 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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* 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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* (at your option) any later version.
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* SExtractor is distributed in the hope that it will be useful,
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* SExtractor 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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* 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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
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* along with SExtractor. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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* Last modified: 11/10/2010
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* Last modified: 19/10/2010
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*
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*
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*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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/*----------------------------- Internal constants --------------------------*/
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/*----------------------------- Internal constants --------------------------*/
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#define INTERPW 8 /* Interpolation function range */
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#define INTERPW 8 /* Interpolation function range */
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#define INTERPFAC 4.0 /* Interpolation envelope factor */
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#define INTERPFAC 4.0 /* Interpolation envelope factor */
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#define INTERPF(x) (x<1e-5 && x>-1e-5? 1.0 \
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#define INTERPF(x) (x<1e-5 && x>-1e-5? 1.0 \
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:(x>INTERPFAC?0.0:(x<-INTERPFAC?0.0 \
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:(x>INTERPFAC?0.0:(x<-INTERPFAC?0.0 \
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:sinf(PI*x)*sinf(PI/INTERPFAC*x)/(PI*PI/INTERPFAC*x*x))))
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:sinf(PI*x)*sinf(PI/INTERPFAC*x)/(PI*PI/INTERPFAC*x*x))))
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/* Lanczos approximation */
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/* Lanczos approximation */
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/*--------------------------- structure definitions -------------------------*/
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/*--------------------------- structure definitions -------------------------*/
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/*----------------------------- Global variables ----------------------------*/
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/*----------------------------- Global variables ----------------------------*/
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/*------------------------------- functions ---------------------------------*/
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/*------------------------------- functions ---------------------------------*/
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extern void addimage(picstruct *field, float *psf,
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extern void addimage(picstruct *field, float *psf,
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int w,int h, int ix,int iy, float amplitude),
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int w,int h, int ix,int iy, float amplitude),
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addfrombig(float *pixbig, int wbig,int hbig,
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float *pixsmall, int wsmall, int hsmall,
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int ix,int iy, float amplitude),
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addtobig(float *pixsmall, int wsmall,int hsmall,
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float *pixbig, int wbig, int hbig,
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int ix,int iy, float amplitude),
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addimage_center(picstruct *field, float *psf,
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addimage_center(picstruct *field, float *psf,
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int w,int h, float x, float y, float amplitude),
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int w,int h, float x, float y, float amplitude),
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blankimage(picstruct *, PIXTYPE *, int,int, int,int, PIXTYPE),
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blankimage(picstruct *, PIXTYPE *, int,int, int,int, PIXTYPE),
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pasteimage(picstruct *, PIXTYPE *, int ,int, int, int);
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pasteimage(picstruct *, PIXTYPE *, int ,int, int, int);
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extern int copyimage(picstruct *, PIXTYPE *, int, int, int, int),
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extern int copyimage(picstruct *, PIXTYPE *, int, int, int, int),
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copyimage_center(picstruct *, PIXTYPE *, int,int, float,float),
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copyimage_center(picstruct *, PIXTYPE *, int,int, float,float),
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vignet_resample(float *pix1, int w1, int h1, float *pix2,
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vignet_resample(float *pix1, int w1, int h1, float *pix2,
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int w2, int h2, float dx, float dy, float step2);
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int w2, int h2, float dx, float dy, float step2);
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