note 108517 added to function.imagesetpixel

making images with white (or close to white) background transprent <? function FloodFill($im, $x, $y) { $rgb = imagecolorat($im, $x, $y); $r = ($rgb >> 16) & 0xFF; $g = ($rgb >> 8) & 0xFF; $b = $rgb & 0xFF; $counter=0; $counter2=0; if($r >= 245){ $counter++;} if($g >= 245){ $counter++;} if($b >= 245){ $counter++;} if($r >= 240){ $counter2++;} if($g >= 240){ $counter2++;} if($b >= 240){ $counter2++;} if($counter >= 1 && $counter2 == 3){ $background = imagecolorallocate($im, 180, 0, 255); imagesetpixel($im, $x, $y, $background); FloodFill ($im, $x, $y+1); FloodFill ($im, $x+1, $y); FloodFill ($im, $x, $y-1); } } $src = $_GET["src"]; $im = imagecreatefromjpeg($src); // Draw border $border = imagecolorallocate($im, 180, 0, 255); drawBorder($im, $border, 1); // Draw a border function drawBorder($im, $color, $thickness = 1) { $x1 = 0; $y1 = 0; $x2 = ImageSX($im) - 1; $y2 = ImageSY($im) - 1; for($i = 0; $i < $thickness; $i++) { ImageRectangle($im, $x1++, $y1++, $x2--, $y2--, $color); } } $rgb = imagecolorat($im, 0, 0); FloodFill($im, 0, 0); $color = imagecolorallocate($im, 180, 0, 255); imagecolortransparent($im, $color); header("Content-type: image/png"); imagepng($im); imagedestroy($im); ?> ---- Server IP: 69.147.83.197 Probable Submitter: 79.181.12.22 ---- Manual Page -- http://www.php.net/manual/en/function.imagesetpixel.php Edit -- https://master.php.net/note/edit/108517 Del: integrated -- https://master.php.net/note/delete/108517/integrated Del: useless -- https://master.php.net/note/delete/108517/useless Del: bad code -- https://master.php.net/note/delete/108517/bad+code Del: spam -- https://master.php.net/note/delete/108517/spam Del: non-english -- https://master.php.net/note/delete/108517/non-english Del: in docs -- https://master.php.net/note/delete/108517/in+docs Del: other reasons-- https://master.php.net/note/delete/108517 Reject -- https://master.php.net/note/reject/108517 Search -- https://master.php.net/manage/user-notes.php