public function apply($resource)
{
// Get arguments
@(list(, $thickness, $color, $sides) = func_get_args());
$thickness = (int) $thickness;
if (!$color) {
$color = '#000000';
}
$sides = (int) $sides;
// Get resolution
$width = imagesx($resource);
$height = imagesy($resource);
if ($width === false || $height === false) {
throw new Exception("An error was encountered while getting image resolution");
}
// Define adjustment
$z = $thickness / 2;
// Draw borders
if ($sides == self::ALL || $sides == self::TOP) {
parent::apply($resource, 0, $z, $width, $z, $thickness, $color);
}
if ($sides == self::ALL || $sides == self::RIGHT) {
parent::apply($resource, $width - $z, $z, $width - $z, $height, $thickness, $color);
}
if ($sides == self::ALL || $sides == self::BOTTOM) {
parent::apply($resource, $width - $z, $height - $z, 0, $height - $z, $thickness, $color);
}
if ($sides == self::ALL || $sides == self::LEFT) {
parent::apply($resource, $z, $height, $z, 0, $thickness, $color);
}
return $resource;
}
public function apply($resource)
{
// Extract arguments
@(list(, $direction, $step, $thickness, $color) = func_get_args());
$step = (int) $step;
$thickness = (int) $thickness;
if ($step < 2) {
$step = 2;
}
// Get resolution
$width = imagesx($resource);
$height = imagesy($resource);
if ($width === false || $height === false) {
throw new Exception("An error was encountered while getting image resolution");
}
// Apply effect
switch ($direction) {
case self::VERTICAL:
$x = 0;
while (($x += $step) < $width) {
parent::apply($resource, $x, 0, $x, $height, $thickness, $color);
}
break;
case self::HORIZONTAL:
default:
$y = 0;
while (($y += $step) < $height) {
parent::apply($resource, 0, $y, $width, $y, $thickness, $color);
}
}
return $resource;
}
