Question

I have written a code for merge two images.

My code is:

$rnd = rand("99000", "99999");

$dst_path = "/home/maxioutl/public_html/images/urunler/";
$dst_file_name = "tresim-{$rnd}.jpg";
$dst_file = $dst_path.$dst_file_name;

$dst = imagecreatetruecolor(250, 375);
imagefill($dst, 0, 0, imagecolorallocate($dst, 255, 255, 255));

$src = imagecreatefromjpeg("http://www.goldstore.com.tr/upload/product/raw/3.72925.0332.JPG");

imagecopymerge($dst, $src, 40, 60, 0, 0, 250, 375, 100);

imagejpeg($dst, $dst_file, 90);

Result:

Black background. Where is it?

Answer 1

The code you wrote superimposes the images. It does not remove the white pixels from the image with the watch.

They are basically overlapped.

You should cycle through both image dimensions and replace each *white pixel with a black pixel or a transparent pixel.

*white pixel may not necessarily mean rgb(255,255,255) you can choose to treat all pixels with rgb(>235,>235,>235) as being “white”.