venca-x/latte-contrast-yiq

Plugin for Nette. Default usage is for Latte templates. From RGB color return contrast color black/white

Latte-contrast-yiq

, _(*1)

Plugin for Nette. Default usage is for Latte templates. From RGB color return contrast color black/white. Typical set contrast text color for dynamic color background., _(*2)

Installation

1. Add the bundle to your dependencies:, _(*3)

   Install with composer:, _(*4)

   composer require venca-x/latte-contrast-yiq:~0.2

   // composer.json, _(*5)

   {
      // ...
      "require": {
          // ...
          "venca-x/latte-contrast-yiq": "@dev",
      }
   }

2. Use Composer to download and install the bundle:, _(*6)

   composer update

Configuration

BasePresenter.php, _(*7)

protected function beforeRender()
{
    parent::beforeRender();

    $this->template->addFilter('contrastYIQ', function ($text) {
        $contrastYIQ = new \ContrastYIQ();
        return $contrastYIQ->getContrastYIQ($text);
    });
}

Usage

{$o->color|contrastYIQ}