<?php
namespace Spatie\Image\Drivers\Concerns;
use Spatie\Image\Enums\AlignPosition;
use Spatie\Image\Enums\Fit;
trait PerformsFitCrops
{
abstract public function height(int $height): static;
abstract public function width(int $width): static;
abstract public function resizeCanvas(int $width, int $height, AlignPosition $position): static;
public function fitCrop(
Fit $fit,
int $originalWidth,
int $originalHeight,
?int $desiredWidth = null,
?int $desiredHeight = null
): static {
$desiredWidth ??= $originalWidth;
$desiredHeight ??= $originalHeight;
if ($originalWidth < $desiredWidth || $originalHeight < $desiredHeight) {
if ($desiredWidth < $desiredHeight) {
$this->height($desiredHeight);
} else {
$this->width($desiredWidth);
}
}
$currentAspectRatio = $originalWidth / $originalHeight;
$desiredAspectRatio = $desiredWidth / $desiredHeight;
if ($currentAspectRatio > $desiredAspectRatio) {
$this->height($desiredHeight);
} else {
$this->width($desiredWidth);
}
$this->resizeCanvas($desiredWidth, $desiredHeight, AlignPosition::Center);
return $this;
}
}