*/ class Core implements CoreInterface, Iterator { protected int $iteratorIndex = 0; /** * Create new core instance * * @param Imagick $imagick * @return void */ public function __construct(protected Imagick $imagick) { } /** * {@inheritdoc} * * @see CollectionInterface::has() */ public function has(int|string $key): bool { try { $result = $this->imagick->setIteratorIndex($key); } catch (ImagickException) { return false; } return $result; } /** * {@inheritdoc} * * @see CollectionInterface::push() */ public function push($item): CollectionInterface { return $this->add($item); } /** * {@inheritdoc} * * @see CollectionInterface::get() */ public function get(int|string $key, $default = null): mixed { try { $this->imagick->setIteratorIndex($key); } catch (ImagickException) { return $default; } return new Frame($this->imagick->current()); } /** * {@inheritdoc} * * @see CollectionInterface::getAtPosition() */ public function getAtPosition(int $key = 0, $default = null): mixed { return $this->get($key, $default); } /** * {@inheritdoc} * * @see CollectionInterface::empty() */ public function empty(): CollectionInterface { $this->imagick->clear(); return $this; } /** * {@inheritdoc} * * @see CollectionInterface::slice() */ public function slice(int $offset, ?int $length = null): CollectionInterface { $allowed_indexes = []; $length = is_null($length) ? $this->count() : $length; for ($i = $offset; $i < $offset + $length; $i++) { $allowed_indexes[] = $i; } $sliced = new Imagick(); foreach ($this->imagick as $key => $native) { if (in_array($key, $allowed_indexes)) { $sliced->addImage($native->getImage()); } } $sliced = $sliced->coalesceImages(); $sliced->setImageIterations($this->imagick->getImageIterations()); $this->imagick = $sliced; return $this; } /** * {@inheritdoc} * * @see CoreInterface::add() */ public function add(FrameInterface $frame): CoreInterface { $imagick = $frame->native(); $imagick->setImageDelay( (int) round($frame->delay() * 100) ); $imagick->setImageDispose($frame->dispose()); $size = $frame->size(); $imagick->setImagePage( $size->width(), $size->height(), $frame->offsetLeft(), $frame->offsetTop() ); $this->imagick->addImage($imagick); return $this; } /** * {@inheritdoc} * * @see CoreInterface::count() */ public function count(): int { return $this->imagick->getNumberImages(); } /** * {@inheritdoc} * * @see Iterator::rewind() */ public function current(): mixed { $this->imagick->setIteratorIndex($this->iteratorIndex); return new Frame($this->imagick->current()); } /** * {@inheritdoc} * * @see Iterator::rewind() */ public function next(): void { $this->iteratorIndex = $this->iteratorIndex + 1; } /** * {@inheritdoc} * * @see Iterator::rewind() */ public function key(): mixed { return $this->iteratorIndex; } /** * {@inheritdoc} * * @see Iterator::rewind() */ public function valid(): bool { try { $result = $this->imagick->setIteratorIndex($this->iteratorIndex); } catch (ImagickException) { return false; } return $result; } /** * {@inheritdoc} * * @see Iterator::rewind() */ public function rewind(): void { $this->iteratorIndex = 0; } /** * {@inheritdoc} * * @see CoreInterface::native() */ public function native(): mixed { return $this->imagick; } /** * {@inheritdoc} * * @see CoreInterface::setNative() */ public function setNative(mixed $native): CoreInterface { $this->imagick = $native; return $this; } /** * {@inheritdoc} * * @see CoreInterface::frame() */ public function frame(int $position): FrameInterface { foreach ($this->imagick as $core) { if ($core->getIteratorIndex() == $position) { return new Frame($core); } } throw new AnimationException('Frame #' . $position . ' could not be found in the image.'); } /** * {@inheritdoc} * * @see CoreInterface::loops() */ public function loops(): int { return $this->imagick->getImageIterations(); } /** * {@inheritdoc} * * @see CoreInterface::setLoops() */ public function setLoops(int $loops): CoreInterface { $this->imagick = $this->imagick->coalesceImages(); $this->imagick->setImageIterations($loops); return $this; } /** * {@inheritdoc} * * @see CollectionInterface::first() */ public function first(): FrameInterface { return $this->frame(0); } /** * {@inheritdoc} * * @see CollectableInterface::last() */ public function last(): FrameInterface { return $this->frame($this->count() - 1); } /** * {@inheritdoc} * * @see CollectionInterface::toArray() */ public function toArray(): array { $frames = []; foreach ($this as $frame) { $frames[] = $frame; } return $frames; } /** * Clone instance * * @return void */ public function __clone(): void { $this->imagick = clone $this->imagick; } }