93 lines
1.6 KiB
PHP
93 lines
1.6 KiB
PHP
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<?php
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namespace Intervention\Image;
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class Constraint
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{
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/**
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* Bit value of aspect ratio constraint
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*/
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const ASPECTRATIO = 1;
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/**
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* Bit value of upsize constraint
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*/
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const UPSIZE = 2;
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/**
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* Constraint size
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*
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* @var \Intervention\Image\Size
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*/
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private $size;
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/**
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* Integer value of fixed parameters
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*
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* @var int
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*/
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private $fixed = 0;
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/**
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* Create a new constraint based on size
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*
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* @param Size $size
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*/
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public function __construct(Size $size)
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{
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$this->size = $size;
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}
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/**
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* Returns current size of constraint
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*
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* @return \Intervention\Image\Size
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*/
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public function getSize()
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{
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return $this->size;
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}
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/**
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* Fix the given argument in current constraint
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*
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* @param int $type
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* @return void
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*/
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public function fix($type)
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{
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$this->fixed = ($this->fixed & ~(1 << $type)) | (1 << $type);
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}
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/**
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* Checks if given argument is fixed in current constraint
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*
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* @param int $type
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* @return boolean
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*/
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public function isFixed($type)
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{
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return (bool) ($this->fixed & (1 << $type));
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}
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/**
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* Fixes aspect ratio in current constraint
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*
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* @return void
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*/
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public function aspectRatio()
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{
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$this->fix(self::ASPECTRATIO);
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}
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/**
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* Fixes possibility to size up in current constraint
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*
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* @return void
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*/
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public function upsize()
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{
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$this->fix(self::UPSIZE);
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}
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}
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