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 #include <string.h>
  29
  30 #include <png.h>
  31 #include <jpeglib.h>
  32
  33 /* Storage for the in-memory PNG */
  34 struct png_store
  35 {
  36         char *buffer;
  37         size_t size;
  38 };
  39
  40 /*
  41    Put a width x height image from the .pictures file at pictures_path into png.
  42    The data_size bytes (value of "dataSize=") of the original blob are read beginning at file position start (after PICTUREDATA_BEGIN).
  43
  44  */
  45 int
  46 png2mem(char *pictures_path,    /* path to a *.pictures file */
  47         long long int start, /* file position after "PICTUREDATA_BEGIN" */
  48         int data_size,   /* value of "dataSize=" */
  49         unsigned int width,     /* value of "width=" */
  50         unsigned int height,    /* value of "height=" */
  51         unsigned int channels,  /* value of "channels=" */
  52         int *bayer_pattern,
  53         bool demosaic_fast,
  54         int compression_mode,   /* value of "compressed=" */
  55         struct png_store *png,  /* result */
  56         bool reversep,
  57         bool brightenp,
  58         double *color_raiser);
  59
  60 /*
  61    Confirm presence of this library by returning n.
  62  */
  63 int
  64 ping(int n);
  65
  66
  67 #endif  /* IMREAD_H */