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   dcraw.h - Dave Coffin's raw photo decoder - header for C++ adaptation
   Copyright 1997-2008 by Dave Coffin, dcoffin a cybercom o net
   Copyright 2004-2008 by Udi Fuchs, udifuchs a gmail o com

   This program 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 2 of the License, or
   (at your option) any later version.

   This is a adaptation of Dave Coffin's original dcraw.c to C++.
   It can work as either a command-line tool or called by other programs.

#define ushort UshORt
typedef unsigned char uchar;
typedef unsigned short ushort;

 * The following is somewhat ugly because of various requirements:
 * 1. The stand-alone dcraw binary should not depend on glib
 * 2. The amount of changes to dcraw source code should be minimal
 * 3. On win32 fopen needs to be replaced by g_fopen
 * 4. On other systems g_fopen is defined as a macro
 * 5. g_fopen only exists since glib 2.6
#if !defined(DCRAW_NOMAIN) && defined(WIN32)
#include <glib.h>
extern "C" {
#include <glib/gstdio.h>
#define fopen g_fopen

class DCRaw { public:
/* All dcraw's global variables are members of this class. */
FILE *ifp;
short order;
char *ifname, *ifname_display, *meta_data;
char cdesc[5], desc[512], make[64], model[64], model2[64], artist[64];
float flash_used, canon_ev, iso_speed, shutter, aperture, focal_len;
time_t timestamp;
unsigned shot_order, kodak_cbpp, filters, exif_cfa, unique_id;
off_t    strip_offset, data_offset;
off_t    thumb_offset, meta_offset, profile_offset;
unsigned thumb_length, meta_length, profile_length;
unsigned thumb_misc, *oprof, fuji_layout, shot_select, multi_out;
unsigned tiff_nifds, tiff_samples, tiff_bps, tiff_compress;
unsigned black, maximum, mix_green, raw_color, use_gamma, zero_is_bad;
unsigned zero_after_ff, is_raw, dng_version, is_foveon, data_error;
unsigned tile_width, tile_length, gpsdata[32], load_flags;
ushort raw_height, raw_width, height, width, top_margin, left_margin;
ushort shrink, iheight, iwidth, fuji_width, thumb_width, thumb_height;
int flip, tiff_flip, colors;
double pixel_aspect, aber[4];
ushort (*image)[4], white[8][8], curve[0x4001], cr2_slice[3], sraw_mul[4];
float bright, user_mul[4], threshold;
int half_size, four_color_rgb, document_mode, highlight;
int verbose, use_auto_wb, use_camera_wb, use_camera_matrix;
int output_color, output_bps, output_tiff, med_passes;
int no_auto_bright;
unsigned greybox[4];
float cam_mul[4], pre_mul[4], cmatrix[3][4], rgb_cam[3][4];
int histogram[4][0x2000];
void (DCRaw::*write_thumb)(FILE *), (DCRaw::*write_fun)(FILE *);
void (DCRaw::*load_raw)(), (DCRaw::*thumb_load_raw)();
jmp_buf failure;

struct decode {
  struct decode *branch[2];
  int leaf;
} first_decode[2048], *second_decode, *free_decode;

struct {
  int width, height, bps, comp, phint, offset, flip, samples, bytes;
} tiff_ifd[10];

struct {
  int format, key_off, black, black_off, split_col, tag_21a;
  float tag_210;
} ph1;

int tone_curve_size, tone_curve_offset; /* Nikon Tone Curves UF*/
int tone_mode_offset, tone_mode_size; /* Nikon ToneComp UF*/

/* Used by dcraw_message() */
char *messageBuffer;
int lastStatus;

/* Initialization of the variables is done here */
void dcraw_message(int code, const char *format, ...);
/* All dcraw functions with the CLASS prefix are members of this class. */
int fc (int row, int col);
void derror();
void merror (void *ptr, const char *where);
ushort sget2 (uchar *s);
ushort get2();
unsigned sget4 (uchar *s);
unsigned get4();
unsigned getint (int type);
float int_to_float (int i);
double getreal (int type);
void read_shorts (ushort *pixel, unsigned count);
void canon_black (double dark[2]);
void canon_600_fixed_wb (int temp);
int canon_600_color (int ratio[2], int mar);
void canon_600_auto_wb();
void canon_600_coeff();
void canon_600_load_raw();
void remove_zeroes();
int canon_s2is();
void canon_a5_load_raw();
unsigned getbits (int nbits);
void init_decoder();
uchar * make_decoder (const uchar *source, int level);
void crw_init_tables (unsigned table);
int canon_has_lowbits();
void canon_compressed_load_raw();
int ljpeg_start (struct jhead *jh, int info_only);
int ljpeg_diff (struct decode *dindex);
ushort * ljpeg_row (int jrow, struct jhead *jh);
void lossless_jpeg_load_raw();
void canon_sraw_load_raw();
void adobe_copy_pixel (int row, int col, ushort **rp);
void adobe_dng_load_raw_lj();
void adobe_dng_load_raw_nc();
void pentax_k10_load_raw();
void nikon_compressed_load_raw();
int nikon_is_compressed();
int nikon_e995();
int nikon_e2100();
void nikon_3700();
int minolta_z2();
void nikon_e900_load_raw();
void fuji_load_raw();
void jpeg_thumb (FILE *tfp);
void ppm_thumb (FILE *tfp);
void layer_thumb (FILE *tfp);
void rollei_thumb (FILE *tfp);
void rollei_load_raw();
int bayer (unsigned row, unsigned col);
void phase_one_flat_field (int is_float, int nc);
void phase_one_correct();
void phase_one_load_raw();
unsigned ph1_bits (int nbits);
void phase_one_load_raw_c();
void hasselblad_load_raw();
void leaf_hdr_load_raw();
void sinar_4shot_load_raw();
void imacon_full_load_raw();
void packed_12_load_raw();
void unpacked_load_raw();
void nokia_load_raw();
unsigned pana_bits (int nbits);
void panasonic_load_raw();
void olympus_e300_load_raw();
void olympus_e410_load_raw();
void olympus_cseries_load_raw();
void minolta_rd175_load_raw();
void eight_bit_load_raw();
void casio_qv5700_load_raw();
void quicktake_100_load_raw();
const int * make_decoder_int (const int *source, int level);
int radc_token (int tree);
void kodak_radc_load_raw();
void kodak_jpeg_load_raw();
void kodak_dc120_load_raw();
void kodak_easy_load_raw();
void kodak_yrgb_load_raw();
void kodak_262_load_raw();
int kodak_65000_decode (short *out, int bsize);
void kodak_65000_load_raw();
void kodak_ycbcr_load_raw();
void kodak_rgb_load_raw();
void kodak_thumb_load_raw();
void sony_decrypt (unsigned *data, int len, int start, int key);
void sony_load_raw();
void sony_arw_load_raw();
void sony_arw2_load_raw();
void smal_decode_segment (unsigned seg[2][2], int holes);
void smal_v6_load_raw();
int median4 (int *p);
void fill_holes (int holes);
void smal_v9_load_raw();
void foveon_decoder (unsigned size, unsigned code);
void foveon_thumb (FILE *tfp);
void foveon_load_camf();
void foveon_load_raw();
const char * foveon_camf_param (const char *block, const char *param);
void * foveon_camf_matrix (unsigned dim[3], const char *name);
int foveon_fixed (void *ptr, int size, const char *name);
float foveon_avg (short *pix, int range[2], float cfilt);
short * foveon_make_curve (double max, double mul, double filt);
void foveon_make_curves
      (short **curvep, float dq[3], float div[3], float filt);
int foveon_apply_curve (short *curve, int i);
void foveon_interpolate();
void bad_pixels(char *fname);
void subtract(const char *fname);
void pseudoinverse (double (*in)[3], double (*out)[3], int size);
void cam_xyz_coeff (double cam_xyz[4][3]);
void colorcheck();
void hat_transform (float *temp, float *base, int st, int size, int sc);
void wavelet_denoise();
void scale_colors();
void pre_interpolate();
void border_interpolate (int border);
void lin_interpolate();
void vng_interpolate();
void ppg_interpolate();
void ahd_interpolate();
void median_filter();
void blend_highlights();
void recover_highlights();
void tiff_get (unsigned base,
      unsigned *tag, unsigned *type, unsigned *len, unsigned *save);
void parse_thumb_note (int base, unsigned toff, unsigned tlen);
void parse_makernote (int base, int uptag);
void get_timestamp (int reversed);
void parse_exif (int base);
void parse_gps (int base);
void romm_coeff (float romm_cam[3][3]);
void parse_mos (int offset);
void linear_table (unsigned len);
int parse_tiff_ifd (int base);
void parse_kodak_ifd (int base);
void parse_tiff (int base);
void parse_minolta (int base);
void parse_external_jpeg();
void ciff_block_1030();
void parse_ciff (int offset, int length);
void parse_rollei();
void parse_sinar_ia();
void parse_phase_one (int base);
void parse_fuji (int offset);
int parse_jpeg (int offset);
void parse_riff();
void parse_smal (int offset, unsigned fsize);
void parse_cine();
char * foveon_gets (int offset, char *str, int len);
void parse_foveon();
void adobe_coeff (const char *make, const char *model);
void simple_coeff (int index);
short guess_byte_order (int words);
void identify();
void apply_profile (const char *input, const char *output);
void convert_to_rgb();
void fuji_rotate();
void stretch();
int flip_index (int row, int col);
void gamma_lut (uchar lut[0x10000]);
void tiff_set (ushort *ntag,
              ushort tag, ushort type, int count, int val);
void tiff_head (struct tiff_hdr *th, int full);
void write_ppm_tiff (FILE *ofp);
void write_ppm (FILE *ofp);
void write_ppm16 (FILE *ofp);
void write_psd (FILE *ofp);
int main (int argc, const char **argv);

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