public function BlazyEasingTrait::getCssEasingOptions in Blazy 8.2

List of available CSS easing methods.

Parameters

bool $map: Flag to output the array as is for further processing if TRUE.

Return value

array An array of CSS easings for select options, or all for the mappings.

See also

https://github.com/kenwheeler/slick/issues/118

http://matthewlein.com/ceaser/

http://www.w3.org/TR/css3-transitions/

1 call to BlazyEasingTrait::getCssEasingOptions()

BlazyEasingTrait::getBezier in src/Dejavu/BlazyEasingTrait.php

Maps existing jQuery easing value to equivalent CSS easing methods.

File

src/Dejavu/BlazyEasingTrait.php, line 77

Class

BlazyEasingTrait

A Trait for easings, common for Splide, Slick, etc.

Namespace

Drupal\blazy\Dejavu

Code

public function getCssEasingOptions($map = FALSE) {
  $css_easings = [];
  $available_easings = [
    // Defaults/ Native.
    'ease' => 'ease|ease',
    'linear' => 'linear|linear',
    'ease-in' => 'ease-in|ease-in',
    'ease-out' => 'ease-out|ease-out',
    'swing' => 'swing|ease-in-out',
    // Penner Equations (approximated).
    'easeInQuad' => 'easeInQuad|cubic-bezier(0.550, 0.085, 0.680, 0.530)',
    'easeInCubic' => 'easeInCubic|cubic-bezier(0.550, 0.055, 0.675, 0.190)',
    'easeInQuart' => 'easeInQuart|cubic-bezier(0.895, 0.030, 0.685, 0.220)',
    'easeInQuint' => 'easeInQuint|cubic-bezier(0.755, 0.050, 0.855, 0.060)',
    'easeInSine' => 'easeInSine|cubic-bezier(0.470, 0.000, 0.745, 0.715)',
    'easeInExpo' => 'easeInExpo|cubic-bezier(0.950, 0.050, 0.795, 0.035)',
    'easeInCirc' => 'easeInCirc|cubic-bezier(0.600, 0.040, 0.980, 0.335)',
    'easeInBack' => 'easeInBack|cubic-bezier(0.600, -0.280, 0.735, 0.045)',
    'easeOutQuad' => 'easeOutQuad|cubic-bezier(0.250, 0.460, 0.450, 0.940)',
    'easeOutCubic' => 'easeOutCubic|cubic-bezier(0.215, 0.610, 0.355, 1.000)',
    'easeOutQuart' => 'easeOutQuart|cubic-bezier(0.165, 0.840, 0.440, 1.000)',
    'easeOutQuint' => 'easeOutQuint|cubic-bezier(0.230, 1.000, 0.320, 1.000)',
    'easeOutSine' => 'easeOutSine|cubic-bezier(0.390, 0.575, 0.565, 1.000)',
    'easeOutExpo' => 'easeOutExpo|cubic-bezier(0.190, 1.000, 0.220, 1.000)',
    'easeOutCirc' => 'easeOutCirc|cubic-bezier(0.075, 0.820, 0.165, 1.000)',
    'easeOutBack' => 'easeOutBack|cubic-bezier(0.175, 0.885, 0.320, 1.275)',
    'easeInOutQuad' => 'easeInOutQuad|cubic-bezier(0.455, 0.030, 0.515, 0.955)',
    'easeInOutCubic' => 'easeInOutCubic|cubic-bezier(0.645, 0.045, 0.355, 1.000)',
    'easeInOutQuart' => 'easeInOutQuart|cubic-bezier(0.770, 0.000, 0.175, 1.000)',
    'easeInOutQuint' => 'easeInOutQuint|cubic-bezier(0.860, 0.000, 0.070, 1.000)',
    'easeInOutSine' => 'easeInOutSine|cubic-bezier(0.445, 0.050, 0.550, 0.950)',
    'easeInOutExpo' => 'easeInOutExpo|cubic-bezier(1.000, 0.000, 0.000, 1.000)',
    'easeInOutCirc' => 'easeInOutCirc|cubic-bezier(0.785, 0.135, 0.150, 0.860)',
    'easeInOutBack' => 'easeInOutBack|cubic-bezier(0.680, -0.550, 0.265, 1.550)',
  ];
  foreach ($available_easings as $key => $easing) {
    list($readable_easing, $css_easing) = array_pad(array_map('trim', explode("|", $easing, 2)), 2, NULL);
    $css_easings[$key] = $map ? $easing : $readable_easing;
    unset($css_easing);
  }
  return $css_easings;
}