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/*
* The ExactImage library's identify compatible command line frontend.
* Copyright (C) 2006 - 2023 René Rebe, ExactCODE GmbH
* Copyright (C) 2006 Archivista
*
* 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; version 2. A copy of the GNU General
* Public License can be found in the file LICENSE.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* Alternatively, commercial licensing options are available from the
* copyright holder ExactCODE GmbH Germany.
*/
#include <math.h>
#include <iostream>
#include <iomanip>
#include "config.h"
#include "ArgumentList.hh"
#include "File.hh"
#include "Image.hh"
#include "Codecs.hh"
#include "Colorspace.hh"
#include "scale.hh"
#include "rotate.hh"
#include "Matrix.hh"
#include "riemersma.h"
#include "floyd-steinberg.h"
#include <functional>
using namespace Utility;
Image image; // the global Image we work on
int main (int argc, char* argv[])
{
ArgumentList arglist (true); // enable residual gathering
// setup the argument list
Argument<bool> arg_help ("h", "help",
"display this help text and exit");
arglist.Add (&arg_help);
Argument<bool> arg_verbose ("v", "verbose",
"more verbose output");
arglist.Add (&arg_verbose);
Argument<std::string> arg_format ("f", "format",
"user defined format string",
0, 1);
arglist.Add (&arg_format);
Argument<std::string> arg_decompression ("d", "decompress",
"decompression method for reading images e.g. thumb\n\t\t"
"depending on the input format, allowing to read partial data",
0, 1);
arglist.Add (&arg_decompression);
// parse the specified argument list - and maybe output the Usage
if (!arglist.Read (argc, argv))
return 1;
if (arg_help.Get() == true || arglist.Residuals().empty())
{
std::cerr << "ExactImage identification (edentify), version " VERSION << std::endl
<< "Copyright (C) 2006 - 2023 René Rebe, ExactCODE GmbH" << std::endl
<< "Copyright (C) 2006 Archivista GmbH" << std::endl
<< "Usage:" << std::endl;
arglist.Usage (std::cerr);
return 1;
}
// for all residual arguments (image files)
int errors = 0;
const std::vector<std::string>& list = arglist.Residuals();
for (std::vector<std::string>::const_iterator file = list.begin();
file != list.end(); ++file) {
for (int i = 0, n = 1; i < n; ++i)
{
int ret = ImageCodec::Read(*file, image,
arg_decompression.Size() > 0 ? arg_decompression.Get() : "", i);
if (ret < 1) {
std::cerr << "Error reading: " << *file << std::endl;
continue;
}
if (i == 0) n = ret;
if (arg_format.Size() > 0)
{
const std::string& format = arg_format.Get();
for (std::string::const_iterator it = format.begin(); it != format.end(); ++it)
{
if (*it == '%') {
if (++it == format.end())
--it; // print the % if at the end
switch (*it) {
// case 'b': break; // file size
// case 'c': break; // comment
case 'd': // directory
case 'e': // filename extension
case 'f': // filename
case 't': // top of filename
{
Utility::File f (*file);
switch (*it) {
case 'd': std::cout << f.Dirname(); break;
case 'e': std::cout << f.Extension(); break;
case 'f': std::cout << f.Basename(); break;
case 't': std::cout << f.BasenameWOExtension(); break;
}
}
break;
// %g page geometry
case 'h': // height
std::cout << image.h; break;
case 'i': // input filename
std::cout << *file; break;
//case 'k': break; // number of unique colors
// %l label
// %m magick
// %n number of scenes
// %o output filename
// %p page number
case 'q': // quantum depth
std::cout << image.bps; break; // TODO: report file container?
break;
// %r image class and colorspace
// %s scene number
// %u unique temporary filename
case 'w': // width
std::cout << image.w; break;
case 'x': // x resolution
std::cout << image.resolutionX() << " PixelsPerInch"; break;
case 'y': // y resolution
std::cout << image.resolutionY() << " PixelsPerInch"; break;
case 'z': // image depth
std::cout << image.bps; break;
// %D image dispose method
// %O page offset
case 'P': // page width and height
std::cout << image.w << "x" << image.h; break;
// %Q image compression quality
// %T image delay
// %@ bounding box
// %# signature
case '%':
std::cout << *it; break;
default:
if (it != format.begin())
--it;
std::cout << *it;
}
}
else if (*it == '\\')
{
if (++it == format.end())
--it; // print the \ if at the end
switch (*it) {
case 'n': std::cout << std::endl; break;
case 't': std::cout << "\t"; break;
case 'r': std::cout << "\r"; break;
case '\\': std::cout << *it; break;
default:
if (it != format.begin())
--it;
std::cout << *it;
}
}
else
std::cout << *it;
}
}
else if (arg_verbose.Get())
{
std::cout << "TODO: implement verbose output" << std::endl;
}
else {
std::cout << *file;
if (n > 1) std::cout << "[" << i << "]";
std::cout << ": "
<< (image.getDecoderID().empty() ? "NONE" : image.getDecoderID() )
<< " " << image.w << "x" << image.h;
if (image.resolutionX() && image.resolutionY())
std::cout << " @ " << image.resolutionX()
<< "x" << image.resolutionY() << "dpi ("
<< 254 * image.w / image.resolutionX() / 10 << "x"
<< 254 * image.h / image.resolutionY() / 10 << "mm)";
int bits = image.bps * image.spp;
std::cout << " " << bits << " bit" << (bits > 1 ? "s" : "") << ", "
<< (int)image.spp << " channel" << (image.spp > 1 ? "s" : "") << std::endl;
}
}
}
return errors;
}
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