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/* -*- C++ -*-
* File: raw2text.cpp
* Copyright 2008-2021 LibRaw LLC (info@libraw.org)
* Created: Sun Sept 01, 2020
*
* LibRaw sample
* Dumps (small) selection of RAW data to text file
*
LibRaw is free software; you can redistribute it and/or modify
it under the terms of the one of two 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).
*/
#include <stdio.h>
#include <string.h>
#include <math.h>
#ifndef WIN32
#include <netinet/in.h>
#else
#include <winsock2.h>
#endif
#include "libraw/libraw.h"
void usage(const char *av)
{
printf(
"Dump (small) selection of RAW file as tab-separated text file\n"
"Usage: %s inputfile COL ROW [CHANNEL] [width] [height]\n"
" COL - start column\n"
" ROW - start row\n"
" CHANNEL - raw channel to dump, default is 0 (red for rggb)\n"
" width - area width to dump, default is 16\n"
" height - area height to dump, default is 4\n"
, av);
}
unsigned subtract_bl(unsigned int val, int bl)
{
return val > (unsigned)bl ? val - (unsigned)bl : 0;
}
class LibRaw_bl : public LibRaw
{
public:
void adjust_blacklevel() { LibRaw::adjust_bl(); }
};
int main(int ac, char *av[])
{
if (ac < 4)
{
usage(av[0]);
exit(1);
}
int colstart = atoi(av[2]);
int rowstart = atoi(av[3]);
int channel = 0;
if (ac > 4) channel = atoi(av[4]);
int width = 16;
if (ac > 5) width = atoi(av[5]);
int height = 4;
if (ac > 6) height = atoi(av[6]);
if (width <1 || height<1)
{
usage(av[0]);
exit(1);
}
LibRaw_bl lr;
if (lr.open_file(av[1]) != LIBRAW_SUCCESS)
{
fprintf(stderr, "Unable to open file %s\n", av[1]);
exit(1);
}
if ((lr.imgdata.idata.colors == 1 && channel>0) || (channel >3))
{
fprintf(stderr, "Incorrect CHANNEL specified: %d\n", channel);
exit(1);
}
if (lr.unpack() != LIBRAW_SUCCESS)
{
fprintf(stderr, "Unable to unpack raw data from %s\n", av[1]);
exit(1);
}
lr.adjust_blacklevel();
printf("%s\t%d-%d-%dx%d\tchannel: %d\n", av[1], colstart, rowstart, width, height, channel);
printf("%6s", "R\\C");
for (int col = colstart; col < colstart + width && col < lr.imgdata.sizes.raw_width; col++)
printf("%6u", col);
printf("\n");
if (lr.imgdata.rawdata.raw_image)
{
for (int row = rowstart; row < rowstart + height && row < lr.imgdata.sizes.raw_height; row++)
{
unsigned rcolors[48];
if (lr.imgdata.idata.colors > 1)
for (int c = 0; c < 48; c++)
rcolors[c] = lr.COLOR(row, c);
else
memset(rcolors, 0, sizeof(rcolors));
unsigned short *rowdata = &lr.imgdata.rawdata.raw_image[row * lr.imgdata.sizes.raw_pitch / 2];
printf("%6u", row);
for (int col = colstart; col < colstart + width && col < lr.imgdata.sizes.raw_width; col++)
if (rcolors[col % 48] == (unsigned)channel) printf("%6u", subtract_bl(rowdata[col],lr.imgdata.color.cblack[channel]));
else printf(" -");
printf("\n");
}
}
else if (lr.imgdata.rawdata.color4_image && channel < 4)
{
for (int row = rowstart; row < rowstart + height && row < lr.imgdata.sizes.raw_height; row++)
{
unsigned short(*rowdata)[4] = &lr.imgdata.rawdata.color4_image[row * lr.imgdata.sizes.raw_pitch / 8];
printf("%6u", row);
for (int col = colstart; col < colstart + width && col < lr.imgdata.sizes.raw_width; col++)
printf("%6u", subtract_bl(rowdata[col][channel],lr.imgdata.color.cblack[channel]));
printf("\n");
}
}
else if (lr.imgdata.rawdata.color3_image && channel < 3)
{
for (int row = rowstart; row < rowstart + height && row < lr.imgdata.sizes.raw_height; row++)
{
unsigned short(*rowdata)[3] = &lr.imgdata.rawdata.color3_image[row * lr.imgdata.sizes.raw_pitch / 6];
printf("%6u", row);
for (int col = colstart; col < colstart + width && col < lr.imgdata.sizes.raw_width; col++)
printf("%6u", subtract_bl(rowdata[col][channel],lr.imgdata.color.cblack[channel]));
printf("\n");
}
}
else
printf("Unsupported file data (e.g. floating point format), or incorrect channel specified\n");
}
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