function ToolkitGdTest::getPixelColor

Same name in other branches
  1. 9 core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php \Drupal\KernelTests\Core\Image\ToolkitGdTest::getPixelColor()
  2. 10 core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php \Drupal\KernelTests\Core\Image\ToolkitGdTest::getPixelColor()
  3. 11.x core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php \Drupal\KernelTests\Core\Image\ToolkitGdTest::getPixelColor()

Function for finding a pixel's RGBa values.

1 call to ToolkitGdTest::getPixelColor()
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 89

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 getPixelColor(ImageInterface $image, $x, $y) {
    $toolkit = $image->getToolkit();
    $color_index = imagecolorat($toolkit->getResource(), $x, $y);
    $transparent_index = imagecolortransparent($toolkit->getResource());
    if ($color_index == $transparent_index) {
        return [
            0,
            0,
            0,
            127,
        ];
    }
    return array_values(imagecolorsforindex($toolkit->getResource(), $color_index));
}

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