public function ToolkitGdTest::colorsAreEqual in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php \Drupal\KernelTests\Core\Image\ToolkitGdTest::colorsAreEqual()

Function to compare two colors by RGBa.

1 call to ToolkitGdTest::colorsAreEqual()

ToolkitGdTest::testManipulations in core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php

Since PHP can't visually check that our images have been manipulated properly, build a list of expected color values for each of the corners and the expected height and widths for the final images.

File

core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php, line 71

Class

ToolkitGdTest

Tests that core image manipulations work properly: scale, resize, rotate, crop, scale and crop, and desaturate.

Namespace

Drupal\KernelTests\Core\Image

Code

public function colorsAreEqual($color_a, $color_b) {

  // Fully transparent pixels are equal, regardless of RGB.
  if ($color_a[3] == 127 && $color_b[3] == 127) {
    return TRUE;
  }
  foreach ($color_a as $key => $value) {
    if ($color_b[$key] != $value) {
      return FALSE;
    }
  }
  return TRUE;
}