Using imagefill() and imagefilltoborder() : imagefilltoborder « Graphics Image « PHP

1. PHP
2. Graphics Image
3. imagefilltoborder

Using imagefill() and imagefilltoborder()

 
<?php

    define("WIDTH", 200);
    define("HEIGHT", 200);
    $img = imagecreate(WIDTH, HEIGHT);
    $background = $white = imagecolorallocate($img, 0xFF, 0xFF, 0xFF);
    $black = imagecolorallocate($img, 0, 0, 0);
    $red = imagecolorallocate($img, 0xFF, 0, 0);
    $blue = imagecolorallocate($img, 0, 0, 0xFF);

    $center_x = (int)WIDTH/2;
    $center_y = (int)HEIGHT/2;

    imagerectangle($img, 0, 0, WIDTH-1, HEIGHT-1, $black);

    imageline($img, 0, 0, WIDTH-1, HEIGHT-1, $red);

    imagefill($img, 2, 20, $black);
    imagefilltoborder($img, WIDTH-2, 20, $red, $blue);

    header("Content-Type: image/png");
    imagepng($img);
?>
  
  

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