getBoundingHeight example

/** * {@inheritdoc} */
  public function transformDimensions(array &$dimensions, $uri) {
    // If the rotate is not random and current dimensions are set,     // then the new dimensions can be determined.     if (!$this->configuration['random'] && $dimensions['width'] && $dimensions['height']) {
      $rect = new Rectangle($dimensions['width'], $dimensions['height']);
      $rect = $rect->rotate($this->configuration['degrees']);
      $dimensions['width'] = $rect->getBoundingWidth();
      $dimensions['height'] = $rect->getBoundingHeight();
    }
    else {
      $dimensions['width'] = $dimensions['height'] = NULL;
    }
  }

  /** * {@inheritdoc} */
  public function getSummary() {
    $summary = [
      

  public function testRotateDimensions($width, $height, $angle, $exp_width, $exp_height) {
    $rect = new Rectangle($width, $height);
    $rect->rotate($angle);
    $this->assertEquals($exp_width, $rect->getBoundingWidth());
    $this->assertEquals($exp_height, $rect->getBoundingHeight());
  }

  /** * Provides data for image dimension rotation tests. * * This dataset sample was generated by running on PHP 5.5 the function below * - first, for all integer rotation angles (-360 to 360) on a rectangle * 40x20; * - second, for 500 random float rotation angle in the range -360 to 360 on * a rectangle 40x20; * - third, on 1000 rectangles of random WxH rotated to a random float angle * in the range -360 to 360 * - fourth, on 2000 rectangles of random WxH rotated to a random integer * angle multiple of 30 degrees in the range -360 to 360 (which is the most * tricky case). * Using the GD toolkit operations gives us true data coming from the GD * library that can be used to match against the Rectangle class under test. * @code * protected function rotateResults($width, $height, $angle, &$new_width, &$new_height) { * $image = \Drupal::service('image.factory')->get(NULL, 'gd'); * $image->createNew($width, $height); * $old_res = $image->getToolkit()->getResource(); * $image->rotate($angle); * $new_width = $image->getWidth(); * $new_height = $image->getHeight(); * if (is_resource($old_res)) { * imagedestroy($old_res); * } * } * @endcode * * @return array[] * A simple array of simple arrays, each having the following elements: * - original image width * - original image height * - rotation angle in degrees * - expected image width after rotation * - expected image height after rotation * * @see testRotateDimensions() */