/* -*- C++ -*-
 * File: identify.cpp
 * Copyright 2008-2011 LibRaw LLC (info@libraw.org)
 * Created: Sat Mar  8, 2008
 *
 * LibRaw C++ demo: emulates dcraw -i [-v]
 *

LibRaw is free software; you can redistribute it and/or modify
it under the terms of the one of three licenses as you choose:

1. GNU LESSER GENERAL PUBLIC LICENSE version 2.1
   (See file LICENSE.LGPL provided in LibRaw distribution archive for details).

2. COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
   (See file LICENSE.CDDL provided in LibRaw distribution archive for details).

3. LibRaw Software License 27032010
   (See file LICENSE.LibRaw.pdf provided in LibRaw distribution archive for details).


 */

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <time.h>

#include "libraw/libraw.h"

#ifdef WIN32
#define snprintf _snprintf
#endif


int main(int ac, char *av[])
{
    int verbose = 0, ret,print_unpack=0,print_frame=0;
    LibRaw MyCoolRawProcessor;

    for (int i=1;i<ac;i++) {
        if(av[i][0]=='-')
            {
                if(av[i][1]=='v' && av[i][2]==0) verbose++;
                if(av[i][1]=='u' && av[i][2]==0) print_unpack++;
                if(av[i][1]=='f' && av[i][2]==0) print_frame++;
                continue;
            }
        if( (ret = MyCoolRawProcessor.open_file(av[i])) != LIBRAW_SUCCESS)
            {
                printf("Cannot decode %s: %s\n",av[i],libraw_strerror(ret));
                continue; // no recycle, open_file will recycle
            }
        if(verbose) {

#define P1 MyCoolRawProcessor.imgdata.idata
#define P2 MyCoolRawProcessor.imgdata.other

#define S MyCoolRawProcessor.imgdata.sizes
#define O MyCoolRawProcessor.imgdata.params
#define C MyCoolRawProcessor.imgdata.color
#define T MyCoolRawProcessor.imgdata.thumbnail


            if( (ret =  MyCoolRawProcessor.adjust_sizes_info_only()))
            {
                printf("Cannot decode %s: %s\n",av[i],libraw_strerror(ret));
                continue; // no recycle, open_file will recycle
            }
            
            printf ("\nFilename: %s\n", av[i]);
            printf ("Timestamp: %s", ctime(&(P2.timestamp)));
            printf ("Camera: %s %s\n", P1.make, P1.model);
            if (P2.artist[0])
                printf ("Owner: %s\n", P2.artist);
            if (P1.dng_version) {
                printf ("DNG Version: ");
                for (int i=24; i >= 0; i -= 8)
                    printf ("%d%c", P1.dng_version >> i & 255, i ? '.':'\n');
            }
            printf ("ISO speed: %d\n", (int) P2.iso_speed);
            printf ("Shutter: ");
            if (P2.shutter > 0 && P2.shutter < 1)
                P2.shutter = (printf ("1/"), 1 / P2.shutter);
            printf ("%0.1f sec\n", P2.shutter);
            printf ("Aperture: f/%0.1f\n", P2.aperture);
            printf ("Focal length: %0.1f mm\n", P2.focal_len);
            if(C.profile)
                printf ("Embedded ICC profile: yes, %d bytes\n", C.profile_length);
            else
                printf ("Embedded ICC profile: no\n");
                
            printf ("Number of raw images: %d\n", P1.raw_count);
            if (S.pixel_aspect != 1)
                printf ("Pixel Aspect Ratio: %0.6f\n", S.pixel_aspect);
            if (T.tlength)
                printf ("Thumb size:  %4d x %d\n", T.twidth, T.theight);
            printf ("Full size:   %4d x %d\n", S.raw_width, S.raw_height);
            
            printf ("Image size:  %4d x %d\n", S.width, S.height);
            printf ("Output size: %4d x %d\n", S.iwidth, S.iheight);
            printf ("Raw colors: %d", P1.colors);
            if (P1.filters) 
                {
                    printf ("\nFilter pattern: ");
                    if (!P1.cdesc[3]) P1.cdesc[3] = 'G';
                    for (int i=0; i < 16; i++)
                        putchar (P1.cdesc[MyCoolRawProcessor.fc(i >> 1,i & 1)]);
                }
            printf ("\nDaylight multipliers:");
            for(int c=0;c<P1.colors;c++) printf (" %f", C.pre_mul[c]);
            if (C.cam_mul[0] > 0) 
                {
                    printf ("\nCamera multipliers:");
                    for(int c=0;c<4;c++) printf (" %f", C.cam_mul[c]);
                }
            const char *csl[] = {"U","I","CO","L","CA"};
            printf("\nColor sources /Legend: (U)nknown, (I)nit, (CO)nstant, (L)oaded, (CA)lculated/:\n");
            printf("\tcurve=%s; rgb_cam=%s; cmatrix=%s, pre_mul=%s, cam_mul=%s",
                   csl[C.color_flags.curve_state],csl[C.color_flags.rgb_cam_state],
                   csl[C.color_flags.cmatrix_state],csl[C.color_flags.pre_mul_state],
                   csl[C.color_flags.cam_mul_state]);
            putchar ('\n');
            printf("Cam->XYZ matrix:\n");
            for(int i=0; i< 4; i++)
                printf("%6.4f\t%6.4f\t%6.4f\n",C.cam_xyz[i][0],C.cam_xyz[i][1],C.cam_xyz[i][2]);
        }
        else 
            {
                if(print_unpack)
                    {
                        char frame[32]="";
                        if(print_frame)
                            {
                                ushort right_margin = S.raw_width - S.width - S.left_margin;
                                ushort bottom_margin = S.raw_height - S.height - S.top_margin;
                                snprintf(frame,32,"%dx%dx%dx%d",S.left_margin,S.top_margin,right_margin,bottom_margin);
                                printf ("%s\t%s\t%s\t%s/%s\n", 
                                av[i],
                                MyCoolRawProcessor.unpack_function_name(),
                                frame,
                                P1.make, P1.model);
                            }
                    }
                else
                    printf ("%s is a %s %s image.\n", av[i],P1.make, P1.model);
            }
        MyCoolRawProcessor.recycle();
    }// endfor
    return 0;
}
