/usr/share/doc/libopenraw-dev/examples/cfa.cpp is in libopenraw-dev 0.0.9-3.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /*
* libopenraw - cfa.cpp
*
* Copyright (C) 2007, 2009 Hubert Figuiere
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <libopenraw/libopenraw.h>
#include <libopenraw/debug.h>
#include <libopenraw++/thumbnail.h>
#include <libopenraw++/rawfile.h>
#include <libopenraw++/rawdata.h>
#include <boost/scoped_ptr.hpp>
using OpenRaw::Thumbnail;
using boost::scoped_ptr;
int
main(int argc, char** argv)
{
bool keepCompressed = false;
if (argc < 2) {
std::cerr << "missing parameter" << std::endl;
return 1;
}
int c;
do {
c = getopt(argc, argv, "r");
if(c != -1) {
if(c == 'r') {
keepCompressed = true;
}
}
} while(c != -1);
OpenRaw::init();
or_debug_set_level(DEBUG2);
FILE * f;
size_t written_size;
scoped_ptr<OpenRaw::RawFile> raw_file(OpenRaw::RawFile::newRawFile(argv[optind]));
OpenRaw::RawData rdata;
uint32_t options = (keepCompressed ? OR_OPTIONS_DONT_DECOMPRESS : 0);
raw_file->getRawData(rdata, options);
if(keepCompressed) {
std::cout << "keep compressed" << std::endl;
}
std::cout << "data size = " << rdata.size() << std::endl;
std::cout << "data type = " << rdata.dataType() << std::endl;
if(rdata.dataType() == OR_DATA_TYPE_CFA) {
f = fopen("image.pgm", "wb");
fprintf(f, "P5\n");
fprintf(f, "%d %d\n", rdata.x(), rdata.y());
fprintf(f, "%d\n", (1 << rdata.bpc()) - 1);
}
else {
f = fopen("image.cfa", "wb");
}
// Convert data byte order to most significant byte first
if(rdata.bpc() == 16) {
uint8_t* buf = (uint8_t*)malloc(rdata.size());
uint8_t* p = buf;
uint16_t* n = reinterpret_cast<uint16_t*>(rdata.data());
for(size_t i = 0; i < rdata.size() / 2; i++) {
unsigned char lo = n[i] & 0xFF;
unsigned char hi = n[i] >> 8;
p[i * 2] = hi;
p[i * 2 + 1] = lo;
}
written_size = fwrite(buf, 1, rdata.size(), f);
free(buf);
}
else {
written_size = fwrite(rdata.data(), 1, rdata.size(), f);
}
if (written_size != rdata.size()) {
printf("short write\n");
}
fclose(f);
return 0;
}
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