imread.h

   1 /* PHOROS -- Photogrammetric Road Survey */
   2 /* Copyright (C) 2017 Bert Burgemeister */
   3
   4 /* This program is free software; you can redistribute it and/or modify */
   5 /* it under the terms of the GNU General Public License as published by */
   6 /* the Free Software Foundation; either version 2 of the License, or */
   7 /* (at your option) any later version. */
   8
   9 /* This program is distributed in the hope that it will be useful, */
  10 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
  11 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  12 /* GNU General Public License for more details. */
  13
  14 /* You should have received a copy of the GNU General Public License along */
  15 /* with this program; if not, write to the Free Software Foundation, Inc., */
  16 /* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
  17
  18 #ifndef IMREAD_H
  19 #define IMREAD_H
  20
  21
  22 #include <malloc.h>
  23 #include <math.h>
  24 #include <stdbool.h>
  25 #include <stdint.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28
  29 #include <png.h>
  30 #include <jpeglib.h>
  31
  32 /* Storage for the in-memory PNG */
  33 struct png_store
  34 {
  35         char *buffer;
  36         size_t size;
  37 };
  38
  39 /*
  40    Put a width x height image from the .pictures file at pictures_path into png.
  41    The data_size bytes (value of "dataSize=") of the original blob are read beginning at file position start (after PICTUREDATA_BEGIN).
  42
  43  */
  44 int
  45 png2mem(char *pictures_path,    /* path to a *.pictures file */
  46         long long int start, /* file position after "PICTUREDATA_BEGIN" */
  47         int data_size,   /* value of "dataSize=" */
  48         unsigned int width,     /* value of "width=" */
  49         unsigned int height,    /* value of "height=" */
  50         unsigned int channels,  /* value of "channels=" */
  51         int *bayer_pattern,
  52         bool demosaic_fast,
  53         int compression_mode,   /* value of "compressed=" */
  54         struct png_store *png,  /* result */
  55         bool reversep,
  56         bool brightenp,
  57         double *color_raiser);
  58
  59 /*
  60    Confirm presence of this library by returning n.
  61  */
  62 int
  63 ping(int n);
  64
  65
  66 #endif  /* IMREAD_H */