note 113049 added to function.imagefilter

Here is an alternative to IMG_FILTER_COLORIZE filter, but taking the alpha parameter of each pixel in account. <?php function rgba_colorize(&$img, $color) { imagesavealpha($img, true); imagealphablending($img, true); $img_x = imagesx($img); $img_y = imagesy($img); for ($x = 0; $x < $img_x; ++$x) { for ($y = 0; $y < $img_y; ++$y) { $rgba = imagecolorsforindex($img, imagecolorat($img, $x, $y)); $color_alpha = imagecolorallocatealpha($img, $color[0], $color[1], $color[2], $rgba['alpha']); imagesetpixel($img, $x, $y, $color_alpha); imagecolordeallocate($img, $color_alpha); } } } ?> ---- Server IP: 69.147.83.199 Probable Submitter: 90.8.67.101 ---- Manual Page -- http://php.net/manual/en/function.imagefilter.php Edit -- https://master.php.net/note/edit/113049 Del: integrated -- https://master.php.net/note/delete/113049/integrated Del: useless -- https://master.php.net/note/delete/113049/useless Del: bad code -- https://master.php.net/note/delete/113049/bad+code Del: spam -- https://master.php.net/note/delete/113049/spam Del: non-english -- https://master.php.net/note/delete/113049/non-english Del: in docs -- https://master.php.net/note/delete/113049/in+docs Del: other reasons-- https://master.php.net/note/delete/113049 Reject -- https://master.php.net/note/reject/113049 Search -- https://master.php.net/manage/user-notes.php