PHP image watermark program, PHP gd library to add image watermark

PHP watermark code for images, PHP image watermark example, you can set the upload file size limit, set whether to attach a watermark, set the watermark position, watermark string and watermark image, whether to generate a preview image, etc.

Example, php image watermark code.

upload files:

The file types allowed to be uploaded are:=implode(', ',$uptypes)?>

This demonstration space is provided by TuWoo, this program uses text watermark. Successfully uploaded
File name: ".$destination_folder.$fname."
"; echo "Width:".$image_size[0]; echo "length:".$image_size[1]; echo "
size:".$file["size"]." bytes"; if($watermark==1) { $iinfo=getimagesize($destination,$iinfo); $nimage=imagecreatetruecolor($image_size[0],$image_size[1]); $white=imagecolorallocate($nimage,255,255,255); $black=imagecolorallocate($nimage,0,0,0); $red=imagecolorallocate($nimage,255,0,0); imagefill($nimage,0,0,$white); switch ($iinfo[2]) { case 1: $simage =imagecreatefromgif($destination); break; case 2: $simage =imagecreatefromjpeg($destination); break; case 3: $simage =imagecreatefrompng($destination); break; case 6: $simage =imagecreatefromwbmp($destination); break; default: die("Unsupported file type"); exit; } imagecopy($nimage,$simage,0,0,0,0,$image_size[0],$image_size[1]); imagefilledrectangle($nimage,1,$image_size[1]-15,80,$image_size[1],$white); switch($watertype) { case 1: //Add watermark string imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black); break; case 2: //Add watermark image $simage1 =imagecreatefromgif("xplore.gif"); imagecopy($nimage,$simage1,0,0,0,0,85,15); imagedestroy($simage1); break; } switch ($iinfo[2]) { case 1: //imagegif($nimage, $destination); imagejpeg($nimage, $destination); break; case 2: imagejpeg($nimage, $destination); break; case 3: imagepng($nimage, $destination); break; case 6: imagewbmp($nimage, $destination); //imagejpeg($nimage, $destination); break; } //Overwrite the original uploaded file imagedestroy($nimage); imagedestroy($simage); }

if($imgpreview==1) { echo "
Picture preview:
"; echo ""; } } ?>