<?php

namespace Intervention\Image;

class Constraint
{
    /**
     * Bit value of aspect ratio constraint
     */
    const ASPECTRATIO = 1;

    /**
     * Bit value of upsize constraint
     */
    const UPSIZE = 2;

    /**
     * Constraint size
     *
     * @var \Intervention\Image\Size
     */
    private $size;

    /**
     * Integer value of fixed parameters
     *
     * @var int
     */
    private $fixed = 0;

    /**
     * Create a new constraint based on size
     *
     * @param Size $size
     */
    public function __construct(Size $size)
    {
        $this->size = $size;
    }

    /**
     * Returns current size of constraint
     *
     * @return \Intervention\Image\Size
     */
    public function getSize()
    {
        return $this->size;
    }

    /**
     * Fix the given argument in current constraint
     *
     * @param  int $type
     * @return void
     */
    public function fix($type)
    {
        $this->fixed = ($this->fixed & ~(1 << $type)) | (1 << $type);
    }

    /**
     * Checks if given argument is fixed in current constraint
     *
     * @param  int  $type
     * @return boolean
     */
    public function isFixed($type)
    {
        return (bool) ($this->fixed & (1 << $type));
    }

    /**
     * Fixes aspect ratio in current constraint
     *
     * @return void
     */
    public function aspectRatio()
    {
        $this->fix(self::ASPECTRATIO);
    }

    /**
     * Fixes possibility to size up in current constraint
     *
     * @return void
     */
    public function upsize()
    {
        $this->fix(self::UPSIZE);
    }
}

• [D] Commands
• [D] Exception
• [D] Facades
• [D] Filters
• [D] Gd
• [D] Imagick
• [F] AbstractColor.php
  Delete
• [F] AbstractDecoder.php
  Delete
• [F] AbstractDriver.php
  Delete
• [F] AbstractEncoder.php
  Delete
• [F] AbstractFont.php
  Delete
• [F] AbstractShape.php
  Delete
• [F] Constraint.php
  Delete
• [F] File.php
  Delete
• [F] Image.php
  Delete
• [F] ImageManager.php
  Delete
• [F] ImageManagerStatic.php
  Delete
• [F] ImageServiceProvider.php
  Delete
• [F] ImageServiceProviderLaravel4.php
  Delete
• [F] ImageServiceProviderLaravelRecent.php
  Delete
• [F] ImageServiceProviderLeague.php
  Delete
• [F] ImageServiceProviderLumen.php
  Delete
• [F] Point.php
  Delete
• [F] Response.php
  Delete
• [F] Size.php
  Delete

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