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CalculatesCropOffsets.php
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<?php namespace Spatie\Image\Drivers\Concerns; use Spatie\Image\Enums\CropPosition; /** @mixin \Spatie\Image\Drivers\ImageDriver */ trait CalculatesCropOffsets { /** @return array<int> */ protected function calculateCropOffsets(int $width, int $height, CropPosition $position): array { [$offsetPercentageX, $offsetPercentageY] = $position->offsetPercentages(); $offsetX = (int) (($this->getWidth() * $offsetPercentageX / 100) - ($width / 2)); $offsetY = (int) (($this->getHeight() * $offsetPercentageY / 100) - ($height / 2)); $maxOffsetX = $this->getWidth() - $width; $maxOffsetY = $this->getHeight() - $height; if ($offsetX < 0) { $offsetX = 0; } if ($offsetY < 0) { $offsetY = 0; } if ($offsetX > $maxOffsetX) { $offsetX = $maxOffsetX; } if ($offsetY > $maxOffsetY) { $offsetY = $maxOffsetY; } return [$offsetX, $offsetY]; } }