static function colorize($image, $rgb_code)
{
imageTrueColorToPalette($image, true, 256);
$num_colors = imageColorsTotal($image);
for ($x = 0; $x < $num_colors; $x++) {
list($r, $g, $b) = array_values(imageColorsForIndex($image, $x));
$gray_scale = ($r + $g + $b) / 3 / 0xff;
imageColorSet($image, $x, $gray_scale * $rgb_code[0], $gray_scale * $rgb_code[1], $gray_scale * $rgb_code[2]);
}
}
function Colorize($IMG, $RGB)
{
imageTrueColorToPalette($IMG, true, 256);
$numColors = imageColorsTotal($IMG);
for ($x = 0; $x < $numColors; $x++) {
list($r, $g, $b) = array_values(imageColorsForIndex($IMG, $x));
$grayscale = ($r + $g + $b) / 3 / 0xff;
imageColorSet($IMG, $x, $grayscale * $RGB[0], $grayscale * $RGB[1], $grayscale * $RGB[2]);
}
}
//for solid images
if (imagecolorstotal(${$image}) == 1) {
$index = 0;
} else {
$index = 1;
}
imageColorSet(${$image}, $index, $rl, $gl, $bl);
}
if ($fill) {
//2 for fill, 1 for line
if (imagecolorstotal(${$image}) == 2) {
$index = 0;
} else {
$index = 2;
}
imageColorSet(${$image}, $index, $rf, $gf, $bf);
}
$W = ImageSX(${$image});
$H = ImageSY(${$image});
$X = $xs[$num];
$Y = $ys[$num];
if ($xMin > $X) {
$xMin = $X;
}
if ($yMin > $Y) {
$yMin = $Y;
}
if ($xMax < $X + $W) {
$xMax = $X + $W;
}
if ($yMax < $Y + $H) {
if($lightBorder['b'] > 255){
$lightBorder['b'] = 255;
}
// For now, all borders are dark
//$lightBorder = "000000";
$darkBorder = "000000";
$image = imageCreateFromPNG($iconDirectoryPath . $iconName);
$phpFillIndex = imageColorClosest($image,$existingFill['r'],$existingFill['g'],$existingFill['b']);
imageColorSet($image,$phpFillIndex,$fill['r'],$fill['g'],$fill['b']);
$phpDarkBorderIndex = imageColorClosest($image,$existingDarkBorder['r'],$existingDarkBorder['g'],$existingDarkBorder['b']);
imageColorSet($image,$phpDarkBorderIndex,$darkBorder['r'],$darkBorder['g'],$darkBorder['b']);
$phpLightBorderIndex = imageColorClosest($image,$existingLightBorder['r'],$existingLightBorder['g'],$existingLightBorder['b']);
imageColorSet($image,$phpLightBorderIndex,$lightBorder['r'],$lightBorder['g'],$lightBorder['b']);
header('Content-type: image/png');
imagePNG($image);
imageDestroy($image);
/**
* @param $hex string 6-digit hexadecimal color
* @return array 3 elements 'r', 'g', & 'b' = int color values
* @desc Converts a 6 digit hexadecimal number into an array of
* 3 integer values ('r' => red value, 'g' => green, 'b' => blue)
*/
function hex2int($hex) {
return array( 'r' => hexdec(substr($hex, 0, 2)), // 1st pair of digits
'g' => hexdec(substr($hex, 2, 2)), // 2nd pair
public function image_colorize($rgb)
{
imageTrueColorToPalette($this->imageResized, true, 256);
$numColors = imageColorsTotal($this->imageResized);
for ($x = 0; $x < $numColors; $x++) {
list($r, $g, $b) = array_values(imageColorsForIndex($this->imageResized, $x));
// calculate grayscale in percent
$grayscale = ($r + $g + $b) / 3 / 0xff;
imageColorSet($this->imageResized, $x, $grayscale * $rgb[0], $grayscale * $rgb[1], $grayscale * $rgb[2]);
}
return true;
}
function image_colorize4(&$img, $rgb)
{
imageTrueColorToPalette($img, true, 256);
$numColors = imageColorsTotal($img);
for ($x = 0; $x < $numColors; $x++) {
list($r, $g, $b) = array_values(imageColorsForIndex($img, $x));
$grayscale = ($r + $g + $b) / 3 / 0xff;
imageColorSet($img, $x, $grayscale * $rgb[0], $grayscale * $rgb[1], $grayscale * $rgb[2]);
}
}
function grayscale(&$im)
{
$total = imagecolorstotal($im);
for ($i = 0; $i < $total; $i++) {
$arr = imageColorsForIndex($im, $i);
$r = colorgray($arr);
imageColorSet($im, $i, $r["red"], $r["green"], $r["blue"]);
}
return $im;
}
$index = 1;
}
imageColorSet($im_src, $index, $r, $g, $b);
}
if ($fill) {
list($r, $g, $b) = array_values(str_split($fill, 2));
$r = hexdec($r);
$g = hexdec($g);
$b = hexdec($b);
//2 for fill, 1 for line
if (imagecolorstotal($im_src) == 2) {
$index = 0;
} else {
$index = 2;
}
imageColorSet($im_src, $index, $r, $g, $b);
}
if ($size) {
$width = imagesx($im_src);
$height = imagesy($im_src);
$w = $width * $size;
$h = $height * $size;
$im = imagecreatetruecolor($w, $h);
/* making the new image transparent */
$background = imagecolorallocate($im, 254, 0, 0);
ImageColorTransparent($im, $background);
// make the new temp image all transparent
imagealphablending($im, false);
// turn off the alpha blending to keep the alpha channel
imagesavealpha($im, true);
imagecopyresampled($im, $im_src, 0, 0, 0, 0, $w, $h, $width, $height);
break;
case 'PNG':
$im = imageCreateFromPNG($image_path);
$image_create_fun = 'imagePNG';
}
if ($_POST['image_type'] !== 'original') {
$image_create_fun = 'image' . $_POST['image_type'];
}
if ($_POST['black_white'] == 'yes') {
if (imageIsTrueColor($im)) {
imagetruecolortopalette($im, false, 256);
}
for ($i = 0, $colors = imageColorsTotal($im); $i < $colors; $i++) {
$color = imageColorsForIndex($im, $i);
$gray = round($color['red'] * 0.229 + $color['green'] * 0.587 + $color['red'] * 0.114);
imageColorSet($im, $i, $gray, $gray, $gray);
}
}
$file_name = '';
$extention = $_POST['image_type'];
if ($_POST['image_type'] == 'jpeg') {
$extention = 'jpg';
}
if ($_POST['image_type'] == 'original') {
$file_name = $_FILES['image']['name'];
} else {
if (count(explode('.', $_FILES['image']['name'])) > 1) {
$file_name = explode('.', $_FILES['image']['name']);
array_pop($file_name);
$file_name = implode('.', $file_name);
}
