/**
* {@inheritdoc}
*/
public function animate($format, $delay, $loops)
{
if ('gif' !== strtolower($format)) {
throw new NotSupportedException('Animated picture is currently only supported on gif');
}
if (!is_int($loops) || $loops < 0) {
throw new InvalidArgumentException('Loops must be a positive integer.');
}
if (null !== $delay && (!is_int($delay) || $delay < 0)) {
throw new InvalidArgumentException('Delay must be either null or a positive integer.');
}
try {
foreach ($this as $offset => $layer) {
$this->resource->setimageindex($offset);
$this->resource->setimageformat($format);
if (null !== $delay) {
$this->resource->setimagedelay($delay / 10);
}
$this->resource->setimageiterations($loops);
}
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to animate layers', $e->getCode(), $e);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function animate($format, $delay, $loops)
{
if ('gif' !== strtolower($format)) {
throw new InvalidArgumentException('Animated picture is currently only supported on gif');
}
foreach (array('Loops' => $loops, 'Delay' => $delay) as $name => $value) {
if (!is_int($value) || $value < 0) {
throw new InvalidArgumentException(sprintf('%s must be a positive integer.', $name));
}
}
try {
foreach ($this as $offset => $layer) {
$this->resource->setimageindex($offset);
$this->resource->setimageformat($format);
$this->resource->setimagedelay($delay / 10);
$this->resource->setimageiterations($loops);
}
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to animate layers', $e->getCode(), $e);
}
return $this;
}
