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32 lines
945 B
PHP
32 lines
945 B
PHP
<?php
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namespace DesignPatterns\Structural\Flyweight;
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/**
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* Implements the flyweight interface and adds storage for intrinsic state, if any.
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* Instances of concrete flyweights are shared by means of a factory.
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*/
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class CharacterFlyweight implements FlyweightInterface
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{
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/**
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* Any state stored by the concrete flyweight must be independent of its context.
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* For flyweights representing characters, this is usually the corresponding character code.
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*
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* @var string
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*/
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private $name;
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public function __construct(string $name)
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{
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$this->name = $name;
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}
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public function render(string $font): string
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{
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// Clients supply the context-dependent information that the flyweight needs to draw itself
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// For flyweights representing characters, extrinsic state usually contains e.g. the font.
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return sprintf('Character %s with font %s', $this->name, $font);
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}
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}
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