imagecolorallocatealpha

<?php         if (is_null($matte)) {

            $matte = imagecolorallocatealpha($resource, 255, 255, 255, 127);

        } else {

            $matte = $image->getDriver()->parseColor($matte)->getInt();

        }

<?php         $transparent = imagecolorallocatealpha($canvas->getCore(), 255, 255, 255, 127);

        imagealphablending($canvas->getCore(), false); // do not blend / just overwrite

        imagefilledrectangle($canvas->getCore(), $dst_x, $dst_y, $dst_x + $src_w - 1, $dst_y + $src_h - 1, $transparent);

<?php         if ($transIndex != -1) {

            $rgba = imagecolorsforindex($modified, $transIndex);

            $transColor = imagecolorallocatealpha($modified, $rgba['red'], $rgba['green'], $rgba['blue'], 127);

            imagefill($modified, 0, 0, $transColor);

            imagecolortransparent($modified, $transColor);

        } else {

<?php         imagealphablending($canvas, false);

        $transparent = imagecolorallocatealpha($canvas, 255, 255, 255, 127);

        imagefilledrectangle($canvas, 0, 0, $width, $height, $transparent);

        imagecolortransparent($canvas, $transparent);

        imagealphablending($canvas, true);

<?php         $clone = imagecreatetruecolor($width, $height);

        imagealphablending($clone, false);

        imagesavealpha($clone, true);

        $transparency = imagecolorallocatealpha($clone, 0, 0, 0, 127);

        imagefill($clone, 0, 0, $transparency);

        

        imagecopy($clone, $core, 0, 0, 0, 0, $width, $height);