/* img2html - requires ImageMagick
 *
 * Copyright (c) 2004 Jeyasankar Kottalam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 *
 * Under linux, I compile this with:
 *   g++ -oimg2html `Magick++-config --cxxflags --libs` img2html.cpp
 */

#include <Magick++.h>
#include <iostream>
#include <iomanip>
#include <cstdlib>

int main(int argc, char **argv)
{
    if(argc != 2)
    {
        std::cerr << "usage: img2html imagefile" << std::endl;
        return EXIT_FAILURE;
    }

    try
    {
        Magick::Image image;
        image.read(argv[1]);

        const Magick::PixelPacket *pixels = image.getConstPixels(0, 0,
                image.columns(), image.rows());

        std::cout << "<style type=\"text/css\">\n"
            "td {\n"
            "height: 1px;\n"
            "width: 1px;\n"
            "}\n"
            "</style>\n";

        std::cout << "<table cellspacing=\"0\" cellpadding=\"0\""
            << "style=\"border-style: none; font-size; x-small;\">\n";

        for(int i=0; i<image.rows(); ++i)
        {
            std::cout << "<tr>";
            for(int j=0; j<image.columns(); ++j)
            {
                std::cout << "<td bgcolor=\"#";

                std::cout << std::hex << std::setw(2) << std::setfill('0')
                    << (pixels[i*image.columns()+j].red >> 8);

                std::cout << std::hex << std::setw(2) << std::setfill('0')
                    << (pixels[i*image.columns()+j].green >> 8);

                std::cout << std::hex << std::setw(2) << std::setfill('0')
                    << (pixels[i*image.columns()+j].blue >> 8);

                std::cout << "\"/>";
            }

            std::cout << "</tr>\n";
        }

        std::cout << "</table>";
    }

    catch(Magick::Exception &error)
    {
        std::cerr << "Caught exception: " << error.what() << std::endl;
        return EXIT_FAILURE;
    }

    return EXIT_SUCCESS;
}