Back to report ... Back to image ...";
function colourPalette($imageFile, $numColors, $granularity = 1) { // used to be 5
global $verbose, $avred, $avgreen, $avblue, $nump, $avhash, $medcol;
$granularity = max(1, abs((int)$granularity));
$colors = array();
$size = @getimagesize($imageFile);
if($size === false)
{
user_error("Unable to get image size data");
return false;
}
if (strpos(strtolower(str_replace('image/jp','image.jp',$imageFile)), ".jp") !== false) {
$img = @imagecreatefromjpeg($imageFile);
} else if (strpos(strtolower(str_replace('image/pn','image.pn',$imageFile)), ".png") !== false) {
$img = @imagecreatefrompng($imageFile);
} else if (strpos(strtolower(str_replace('image/gif','image.gif',$imageFile)), ".gif") !== false) {
$img = @imagecreatefromgif($imageFile);
} else if (strpos(strtolower(str_replace('image/web','image.web',$imageFile)), ".web") !== false) {
$img = @imagecreatefromwebp($imageFile);
} else if (strpos(strtolower(str_replace('image/gd','image.gd',$imageFile)), ".gd") !== false) {
$img = @imagecreatefromgd($imageFile);
} else {
$img = @imagecreatefromstring(file_get_contents($imageFile));
}
// Andres mentioned in the comments the above line only loads jpegs,
// and suggests that to load any file type you can use this:
// $img = @imagecreatefromstring(file_get_contents($imageFile));
if(!$img)
{
user_error("Unable to open image file");
return false;
}
for($x = 0; $x < $size[0]; $x += $granularity)
{
for($y = 0; $y < $size[1]; $y += $granularity)
{
$thisColor = imagecolorat($img, $x, $y);
$rgb = imagecolorsforindex($img, $thisColor);
$avred = ($rgb['red'] + ($avred * $nump)) / ($nump + 1);
$avgreen = ($rgb['green'] + ($avgreen * $nump)) / ($nump + 1);
$avblue = ($rgb['blue'] + ($avblue * $nump)) / ($nump + 1);
$nump++;
$red = round(round(($rgb['red'] / 0x33)) * 0x33);
$green = round(round(($rgb['green'] / 0x33)) * 0x33);
$blue = round(round(($rgb['blue'] / 0x33)) * 0x33);
$thisRGB = sprintf('%02X%02X%02X', $red, $green, $blue);
if(array_key_exists($thisRGB, $colors))
{
$colors[$thisRGB]++;
}
else
{
$colors[$thisRGB] = 1;
}
}
}
ob_start();
var_dump($colors);
$verbose=ob_get_contents();
ob_end_clean();
$avhash = sprintf('#%02X%02X%02X', (((round($avred) / 0x33)) * 0x33), (((round($avgreen) / 0x33)) * 0x33), (((round($avblue) / 0x33)) * 0x33));
arsort($colors);
$tot=0;
$tsum=sizeof($colors);
$tmed=(($tsum - ($tsum % 2)) / 2);
foreach (array_keys($colors) as $color) {
$freq=explode(')', explode(' int(', explode($color . ']', str_replace('"','',$verbose))[1])[1])[0];
$tsum+=$freq;
if ($tsum >= $tmed && $medcol == '') {
$medcol='#' . $color;
return array_slice(array_keys($colors), 0, $numColors);
}
}
return array_slice(array_keys($colors), 0, $numColors);
}
function getAverage($sourceURL) {
$image = imagecreatefromjpeg($sourceURL);
$scaled = imagescale($image, 1, 1, IMG_BICUBIC);
$index = imagecolorat($scaled, 0, 0);
$rgb = imagecolorsforindex($scaled, $index);
$red = round(round(($rgb['red'] / 0x33)) * 0x33);
$green = round(round(($rgb['green'] / 0x33)) * 0x33);
$blue = round(round(($rgb['blue'] / 0x33)) * 0x33);
return sprintf('#%02X%02X%02X', $red, $green, $blue);
}
// array(105) { [666699]=> int(851) ["CC0033"]=> int(2) [330000]=> int(23) ["CCCCCC"]=> int(3233) ["CC9999"]=> int(12) ["CC99CC"]=> int(7)
$hprefix="
function yesthreethree(indatauri) {
document.getElementById('resultout').value=indatauri;
}
function checkit(iois) {
if (iois != null) {
aconto = (iois.contentWindow || iois.contentDocument);
if (aconto != null) {
if (aconto.document) { aconto = aconto.document; }
if (aconto.body != null) {
aconto.body.style.backgroundColor='transparent';
aconto.getElementsByTagName('h1')[0].style.visibility='hidden';
aconto.getElementsByTagName('h3')[0].style.visibility='hidden';
}
}
}
}
";
$imgcont='';
$eleven=11;
$midel=5;
$modalt=' title="Modal colour"';
$bdr='border:1px solid black;';
if (isset($_GET['imageurl'])) {
$imgcont=urldecode($_GET['imageurl']);
} else if (isset($_POST['imageurl'])) {
$imgcont=urldecode($_POST['imageurl']);
} else {
$aimg='';
}
$hsuffix="
" . $aimg . "
";
if (isset($_GET['num'])) {
$eleven=urldecode($_GET['num']);
} else if (isset($_POST['num'])) {
$eleven=urldecode($_POST['num']);
}
$midel=(($eleven - ($eleven % 2)) / 2);
$jimg=str_replace('+',' ',$imgcont);
if (strpos(('~' . $imgcont), '~data:') !== false) {
$xx='' . rand(0,34567);
file_put_contents('/tmp/mytmpimg_' . $xx . '.' . explode(',', explode(';', explode('image/', $imgcont)[1])[0])[0], base64_decode(str_replace(' ','+',explode('base64,', $imgcont)[1])));
$jimg='/tmp/mytmpimg_' . $xx . '.' . explode(',', explode(';', explode('image/', $imgcont)[1])[0])[0];
$palette = colourPalette('/tmp/mytmpimg_' . $xx . '.' . explode(',', explode(';', explode('image/', $imgcont)[1])[0])[0], $eleven);
unlink('/tmp/mytmpimg_' . $xx . '.' . explode(',', explode(';', explode('image/', $imgcont)[1])[0])[0]);
echo $hprefix . "Image Colour Report
RJM Programming - January, 2025
Thanks to https://stackoverflow.com/questions/3468500/detect-overall-average-color-of-the-picture |
|---|
| " . $jimg . " |
|---|
| Colour | Frequency of Top " . $eleven . " |
|---|
\n";
foreach ($palette as $color) {
$freq=explode(')', explode(' int(', explode($color . ']', str_replace('"','',$verbose))[1])[1])[0];
if ($modalt != '') { $modalt=str_replace(' colour"', ' colour is #' . $color . '" onclick=alert(this.title); ' . $color, $modalt); $bdr.='border-right:1px dotted yeelow;'; }
echo "| | #$color | " . $freq . " |
\n";
$modalt="";
$bdr='border:1px solid black;';
}
echo "
Back to report ... Back to form ...
![](" . str_replace()
\n" . $hsuffix;
} else if ($imgcont != '') {
$palette = colourPalette(str_replace('+',' ',$imgcont), $eleven);
echo $hprefix . "Image Colour Report
RJM Programming - January, 2025
Thanks to https://stackoverflow.com/questions/3468500/detect-overall-average-color-of-the-picture |
|---|
| " . $jimg . " |
|---|
| Colour | Frequency of Top " . $eleven . " |
|---|
\n";
foreach($palette as $color) {
$freq=explode(')', explode(' int(', explode($color . ']', str_replace('"','',$verbose))[1])[1])[0];
if ($modalt != '') { $modalt=str_replace(' colour"', ' colour is #' . $color . '" onclick=alert(this.title); ' . $color, $modalt); $bdr.='border-right:1px dotted yeelow;'; }
echo "| | #$color | " . $freq . " |
\n";
$modalt="";
$bdr='border:1px solid black;';
}
echo "
Back to report ... Back to form ...
\n" . $hsuffix;
} else {
echo $hprefix . "