Watermark Demo

Click refresh to see the watermark move.

You will need two files like the following:

However, use your own images -- not the ones provided above.

Please note, the watermark image has to be transparent.

Also please note where the images should reside (i.e., images directory).

SLAVE CODE FOLLOWS


<?php    // combine two images (i.e., jpg/png) to create a watermark



// NOTE: The watermark image must be smaller than the target image

// and the background of the watermark image has to be transparent



// get the images from files

$image = imagecreatefromjpeg("images/baby_yoda1.jpg");

$watermark = imagecreatefrompng("images/");

// get sizes

$osx = imagesx($image);

$osy = imagesy($image);

$wsx = imagesx($watermark);

$wsy = imagesy($watermark);



// create a random placement for watermark

switch (rand(1,5))

{

    case 1:  // center

        imagecopy($image, $watermark, ($osx-$wsx)/2, ($osy-$wsy)/2, 0, 0, $wsx, $wsy);

        break;



    case 2:  // top-left

        imagecopy($image, $watermark,0, 0, 0, 0, $wsx, $wsy);

        break;



    case 3:  // bottom-left

        imagecopy($image, $watermark, 0, ($osy-$wsy), 0, 0, $wsx, $wsy);

        break;



    case 4:  // top-right

        imagecopy($image, $watermark, ($osx-$wsx), 0, 0, 0, $wsx, $wsy);

        break;



    case 5:  // bottom-right

        imagecopy($image, $watermark, ($osx-$wsx), ($osy-$wsy), 0, 0, $wsx, $wsy);

        break;

}



// set the header for the image

header("Content-type: image/png");

imagepng($image);

imagedestroy ($image);

?>