function ToolkitGdTest::providerTestImageFiles

Data provider for ::testManipulations().

File

core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php, line 112

Class

ToolkitGdTest

Tests for the GD image toolkit.

Namespace

Code

public static function providerTestImageFiles() : array {
  // Typically the corner colors will be unchanged. These colors are in the
  // order of top-left, top-right, bottom-right, bottom-left.
  $default_corners = [
    static::RED,
    static::GREEN,
    static::BLUE,
    static::TRANSPARENT,
  ];
  // Setup a list of tests to perform on each type.
  $test_cases = [
    'resize' => [
      'operation' => 'resize',
      'arguments' => [
        'width' => 20,
        'height' => 10,
      ],
      'width' => 20,
      'height' => 10,
      'corners' => $default_corners,
    ],
    'scale_x' => [
      'operation' => 'scale',
      'arguments' => [
        'width' => 20,
      ],
      'width' => 20,
      'height' => 10,
      'corners' => $default_corners,
    ],
    'scale_y' => [
      'operation' => 'scale',
      'arguments' => [
        'height' => 10,
      ],
      'width' => 20,
      'height' => 10,
      'corners' => $default_corners,
    ],
    'upscale_x' => [
      'operation' => 'scale',
      'arguments' => [
        'width' => 80,
        'upscale' => TRUE,
      ],
      'width' => 80,
      'height' => 40,
      'corners' => $default_corners,
    ],
    'upscale_y' => [
      'operation' => 'scale',
      'arguments' => [
        'height' => 40,
        'upscale' => TRUE,
      ],
      'width' => 80,
      'height' => 40,
      'corners' => $default_corners,
    ],
    'crop' => [
      'operation' => 'crop',
      'arguments' => [
        'x' => 12,
        'y' => 4,
        'width' => 16,
        'height' => 12,
      ],
      'width' => 16,
      'height' => 12,
      'corners' => array_fill(0, 4, static::WHITE),
    ],
    'scale_and_crop' => [
      'operation' => 'scale_and_crop',
      'arguments' => [
        'width' => 10,
        'height' => 8,
      ],
      'width' => 10,
      'height' => 8,
      'corners' => array_fill(0, 4, static::BLACK),
    ],
    'convert_jpg' => [
      'operation' => 'convert',
      'width' => 40,
      'height' => 20,
      'arguments' => [
        'extension' => 'jpeg',
      ],
      'corners' => $default_corners,
    ],
    'convert_gif' => [
      'operation' => 'convert',
      'width' => 40,
      'height' => 20,
      'arguments' => [
        'extension' => 'gif',
      ],
      'corners' => $default_corners,
    ],
    'convert_png' => [
      'operation' => 'convert',
      'width' => 40,
      'height' => 20,
      'arguments' => [
        'extension' => 'png',
      ],
      'corners' => $default_corners,
    ],
    'convert_webp' => [
      'operation' => 'convert',
      'width' => 40,
      'height' => 20,
      'arguments' => [
        'extension' => 'webp',
      ],
      'corners' => $default_corners,
    ],
  ];
  // Systems using non-bundled GD2 may miss imagerotate(). Test if available.
  if (function_exists('imagerotate')) {
    $test_cases += [
      'rotate_5' => [
        'operation' => 'rotate',
        // Fuchsia background.
'arguments' => [
          'degrees' => 5,
          'background' => '#FF00FF',
        ],
        // @todo Re-enable dimensions' check once
        //   https://www.drupal.org/project/drupal/issues/2921123 is resolved.
        // 'width' => 41,
        // 'height' => 23,
'corners' => array_fill(0, 4, static::FUCHSIA),
      ],
      'rotate_transparent_5' => [
        'operation' => 'rotate',
        'arguments' => [
          'degrees' => 5,
        ],
        // @todo Re-enable dimensions' check once
        //   https://www.drupal.org/project/drupal/issues/2921123 is resolved.
        // 'width' => 41,
        // 'height' => 23,
'corners' => array_fill(0, 4, static::ROTATE_TRANSPARENT),
      ],
      'rotate_90' => [
        'operation' => 'rotate',
        // Fuchsia background.
'arguments' => [
          'degrees' => 90,
          'background' => '#FF00FF',
        ],
        'width' => 20,
        'height' => 40,
        'corners' => [
          static::TRANSPARENT,
          static::RED,
          static::GREEN,
          static::BLUE,
        ],
      ],
      'rotate_transparent_90' => [
        'operation' => 'rotate',
        'arguments' => [
          'degrees' => 90,
        ],
        'width' => 20,
        'height' => 40,
        'corners' => [
          static::TRANSPARENT,
          static::RED,
          static::GREEN,
          static::BLUE,
        ],
      ],
    ];
  }
  // Systems using non-bundled GD2 may miss imagefilter(). Test if available.
  if (function_exists('imagefilter')) {
    $test_cases += [
      'desaturate' => [
        'operation' => 'desaturate',
        'arguments' => [],
        'height' => 20,
        'width' => 40,
        // Grayscale corners are a bit funky. Each of the corners are a shade of
        // gray. The values of these were determined simply by looking at the
        // final image to see what desaturated colors end up being.
'corners' => [
          array_fill(0, 3, 76) + [
            3 => 0,
          ],
          array_fill(0, 3, 149) + [
            3 => 0,
          ],
          array_fill(0, 3, 29) + [
            3 => 0,
          ],
          array_fill(0, 3, 225) + [
            3 => 127,
          ],
        ],
      ],
    ];
  }
  $ret = [];
  foreach ([
    'image-test.png',
    'image-test.gif',
    'image-test-no-transparency.gif',
    'image-test.jpg',
    'img-test.webp',
  ] as $file_name) {
    foreach ($test_cases as $test_case => $values) {
      $operation = $values['operation'];
      $arguments = $values['arguments'];
      unset($values['operation'], $values['arguments']);
      $ret[] = [
        $file_name,
        $test_case,
        $operation,
        $arguments,
        $values,
      ];
    }
  }
  return $ret;
}