Issue #3376625: Round calculated width and height to avoid rounding down by imagemagick

src/SizeCalculator.php

@@ -14,13 +14,13 @@ class SizeCalculator {
     if ($resize_type == 'max' && ($width_ratio > 1 || $height_ratio > 1)) {
       // Take the higher ratio and reduce the width and height accoringly.
       $max_ratio = max([$height_ratio, $width_ratio]);
-      return [(int) ($current_width / $max_ratio), (int) ($current_height / $max_ratio)];
+      return [(int) round($current_width / $max_ratio), (int) round($current_height / $max_ratio)];
     }
     // For the min resize type,
     elseif ($resize_type == 'min' && $width_ratio > 1 && $height_ratio > 1) {
       // Take the lower ratio and reduce the width and height accoringly.
       $min_ratio = min([$height_ratio, $width_ratio]);
-      return [(int) ($current_width / $min_ratio), (int) ($current_height / $min_ratio)];
+      return [(int) round($current_width / $min_ratio), (int) round($current_height / $min_ratio)];
     }
 
     return NULL;

tests/src/Unit/SizeCalculatorTest.php

@@ -26,13 +26,14 @@ class SizeCalculatorTest extends UnitTestCase {
     return [
       ['max', 8000, 7000, 4000, 4000, [4000, 3500]],
       ['max', 2000, 6000, 4000, 4000, [1333, 4000]],
-      ['max', 4567, 3456, 4000, 4000, [4000, 3026]],
+      ['max', 4567, 3456, 4000, 4000, [4000, 3027]],
       ['max', 3500, 4000, 4000, 4000, NULL],
       ['min', 3999, 5000, 4000, 4000, NULL],
       ['min', 4500, 5000, 4000, 4000, [4000, 4444]],
       ['min', 6000, 8000, 4000, 4000, [4000, 5333]],
       ['min', 6000, 8000, 4000, 4000, [4000, 5333]],
       ['min', 6000, 8000, 4000, 4000, [4000, 5333]],
+      ['min', 4441, 6697, 3000, 3000, [3000, 4524]],
     ];
   }