protected function ToolkitImagemagickTest::getPixelColor in ImageMagick 8.2

Same name and namespace in other branches

1. 8.3 tests/src/Functional/ToolkitImagemagickTest.php \Drupal\Tests\imagemagick\Functional\ToolkitImagemagickTest::getPixelColor()
2. 8 tests/src/Functional/ToolkitImagemagickTest.php \Drupal\Tests\imagemagick\Functional\ToolkitImagemagickTest::getPixelColor()

Function for finding a pixel's RGBa values.

1 call to ToolkitImagemagickTest::getPixelColor()

ToolkitImagemagickTest::testManipulations in tests/src/Functional/ToolkitImagemagickTest.php

Test image toolkit operations.

File

tests/src/Functional/ToolkitImagemagickTest.php, line 880

Class

ToolkitImagemagickTest

Tests that core image manipulations work properly through Imagemagick.

Namespace

Drupal\Tests\imagemagick\Functional

Code

protected 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));
}