<?php
// user uploads file and it moves to server
move_uploaded_file ($_FILES['Image']['tmp_name'], "/sites/".$_FILES['Image']['name']) or die ('Could not upload');
?>


<?php
// create image path
$img = imagecreatefromjpeg("/sites/".$_FILES['Image']['name']);
?>


<?php
//pixelate function
//if($img && imagefilter($img,IMG_FILTER_PIXELATE,4))

imagejpeg($img,'image.jpg',100);
?>

<?php

// resize image

    $output_width =30;
    $output_height=50;
    $xytotal = $output_width*$output_height;

    $path = '/sites/image.jpg';
    $size_arr = getimagesize($path);
    if ($size_arr[2]==IMAGETYPE_GIF)
        $image = imagecreatefromgif($path);
    else if ($size_arr[2]==IMAGETYPE_JPEG)
        $image = imagecreatefromjpeg($path);
    else if ($size_arr[2]==IMAGETYPE_PNG)
        $image = imagecreatefrompng($path);
    else
        die_default_image();

    $tmpname = tempnam( sys_get_temp_dir() , "phptmp");

    resize_image($tmpname, $image, $size_arr, $output_width, $output_height);

    $img = imagecreatefromjpeg($tmpname);
    imagejpeg($img,'image.jpg',100);

    unlink( $tmpname );

// loop to populate rgb values into css spans

    $imagew = imagesx($img);
    $imageh = imagesy($img);

echo "Image (w,h): ($imagew, $imageh)<br/>";

    $x = 0;
    $y = 0;

    $counter = 0;

    for ($y = 0; $y < $imageh; $y++) {
    for ($x = 0; $x < $imagew; $x++) {
            $rgb = imagecolorat($img, $x, $y);
            $r = ($rgb >> 16) & 0xFF;
            $g = ($rgb >> 8) & 0xFF;
            $b = $rgb & 0xFF;

        $original_r = $r;
        $original_g = $g;
        $original_b = $b;

            if($r%16 !=0){ //if remainder of $r value is !=0 then increment $r value by 1 while $counter < 8
                do{
                    $r++;
                    $counter++;
                } //end do
                while($counter < 8);
            }
            elseif($r%16 != 0){
                $counter = 0;
                do{
                    $r -=1;
                    $counter++;
                } while($counter < 8);
            }

            $counter = 0; // reset counter value

            if($g%16 !=0){ //if remainder of $g value is !=0 then increment $r value by 1 while $counter < 8
                do{
                    $g++;
                    $counter++;
                } while($counter < 8);
            }
            elseif($g%16 != 0){
                $counter = 0;
                do{
                    $g -=1;
                    $counter++;
                } while($counter < 8);
            }
            $counter = 0; // reset counter value

            if($b%16 !=0){ //if remainder of $b value is !=0 then increment $r value by 1 while $counter < 8
                do{
                    $b++;
                    $counter++;
                } while($counter < 8);

            }
            elseif($b%16 != 0){
                $counter = 0;
                do{
                    $b -=1;
                    $counter++;
                } while($counter < 8);
            }

// placing $rgb values into arrays to be shown
            $css_color = str_pad(dechex($r), 2, "0", STR_PAD_LEFT).str_pad(dechex($g), 2, "0", STR_PAD_LEFT).str_pad(dechex($b), 2, "0", STR_PAD_LEFT); //convert rgb into css

            //echo "[($x,$y) ($r,$g,$b)]";
            echo '<span style="width: 5px; height: 5px; background-color:#'.$css_color.'" >'.$x. ' ' .$y.' '.$css_color.' '.$r.' '.$g.' '.$b.'</span>';
            echo '<br />';

            $css_color_original = str_pad(dechex($r), 2, "0", STR_PAD_LEFT).str_pad(dechex($g), 2, "0", STR_PAD_LEFT).str_pad(dechex($b), 2, "0", STR_PAD_LEFT); // original css color values

            echo '<span style="width: 5px; height: 5px; background-color:#'.$css_color_original.'">'.$x. ' ' .$y.' '.$css_color_original.' '.$original_r.' '.$original_g.' '.$original_b.'<br /><br /></span';
            echo '<br />';
    }
    }

?>


<script type="text/javascript" src="jquery-1.6.2.js"></script>
<script src="formatted_colors.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">

//iterate through pixels and match rounded color to array in formatted_colors.js

<div class="rounded_color" hex="<?php $css_color ?>" xy="<?php $x.$y ?>"</div>
<div id="<?php $x.$y ?>"></div>

$(document).ready(function() {

    $(".rounded_color").each(function(){
            var google_color = getColor($(this).attr("hex"));
            $('#'+$(this).attr("id")).html(google_color);
            $('#'+$(this).attr("id")).css('background-color:', google_color);
    })


// get name of color function from formatted_colors.js

function getColor(target_color){
    if (colors[target_color] == undefined) { // not found
      return "no match";
    } else {
      return colors[target_color];
    }
  } // end getColor function


)} // end ready function

</script>

<?php

//image resizing functions
function die_default_image()
{
    //43byte 1x1 transparent pixel gif
    header("content-type: image/gif");
    echo base64_decode("R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==");
}

function resize_image($thumbname, $image, $size_arr, $max_width, $max_height)//maintain aspect ratio
{
    $width  = $max_width;
    $height = $max_height;
    list($width_orig, $height_orig, $img_type) = $size_arr;
    $ratio_orig = $width_orig/$height_orig;

    if ($width/$height > $ratio_orig) {
       $width = floor($height*$ratio_orig);
    } else {
       $height = floor($width/$ratio_orig);
    }

    // Resample
    $tempimg = imagecreatetruecolor($width, $height);
    imagecopyresampled($tempimg, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
    imagejpeg($tempimg, $thumbname, 80);
}

if ( !function_exists('sys_get_temp_dir')) {
  function sys_get_temp_dir() {
    if (!empty($_ENV['TMP'])) { return realpath($_ENV['TMP']); }
    if (!empty($_ENV['TMPDIR'])) { return realpath( $_ENV['TMPDIR']); }
    if (!empty($_ENV['TEMP'])) { return realpath( $_ENV['TEMP']); }
    $tempfile=tempnam(uniqid(rand(),TRUE),'');
    if (file_exists($tempfile)) {
    unlink($tempfile);
    return realpath(dirname($tempfile));
    }
  }
}
?>