101 lines
3.1 KiB
PHP
101 lines
3.1 KiB
PHP
<?php
|
|
|
|
namespace App\Traits;
|
|
|
|
trait ImageTrait
|
|
{
|
|
private $_image;
|
|
private $_imageType;
|
|
|
|
final protected function getWidth_ImageTrait()
|
|
{
|
|
return imagesx($this->_image);
|
|
}
|
|
// 이미지의 현재 높이를 반환하는 메소드
|
|
final protected function getHeight_ImageTrait()
|
|
{
|
|
return imagesy($this->_image);
|
|
}
|
|
// 이미지 파일을 로드하는 메소드
|
|
final protected function load_ImageTrait($file)
|
|
{
|
|
$imageInfo = getimagesize($file);
|
|
$this->_imageType = $imageInfo[2];
|
|
switch ($this->_imageType) {
|
|
case IMAGETYPE_JPEG:
|
|
$this->_image = imagecreatefromjpeg($file);
|
|
break;
|
|
case IMAGETYPE_GIF:
|
|
$this->_image = imagecreatefromgif($file);
|
|
break;
|
|
case IMAGETYPE_PNG:
|
|
$this->_image = imagecreatefrompng($file);
|
|
break;
|
|
case IMAGETYPE_WEBP:
|
|
$this->_image = imagecreatefromwebp($file);
|
|
break;
|
|
}
|
|
}
|
|
// 이미지 크기를 지정된 너비, 높이로 변경하는 메소드
|
|
final protected function resize_ImageTrait($width, $height)
|
|
{
|
|
$newImage = imagecreatetruecolor($width, $height);
|
|
imagecopyresampled(
|
|
$newImage,
|
|
$this->_image,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
$width,
|
|
$height,
|
|
$this->getWidth_ImageTrait(),
|
|
$this->getHeight_ImageTrait()
|
|
);
|
|
$this->_image = $newImage;
|
|
}
|
|
// 이미지 비율을 유지하면서 크기를 조정하는 메소드
|
|
final protected function resizeToWidth_ImageTrait($width)
|
|
{
|
|
$ratio = $width / $this->getWidth_ImageTrait();
|
|
$height = $this->getHeight_ImageTrait() * $ratio;
|
|
$this->resize_ImageTrait($width, $height);
|
|
}
|
|
final protected function resizeToHeight_ImageTrait($height)
|
|
{
|
|
$ratio = $height / $this->getHeight_ImageTrait();
|
|
$width = $this->getWidth_ImageTrait() * $ratio;
|
|
$this->resize_ImageTrait($width, $height);
|
|
}
|
|
final protected function scale($scale)
|
|
{
|
|
$width = $this->getWidth_ImageTrait() * ($scale / 100);
|
|
$height = $this->getHeight_ImageTrait() * ($scale / 100);
|
|
$this->resize_ImageTrait($width, $height);
|
|
}
|
|
// 이미지를 저장하는 메소드
|
|
final protected function save_ImageTrait($file, $imageType = IMAGETYPE_WEBP, $compression = 75)
|
|
{
|
|
switch ($imageType) {
|
|
case IMAGETYPE_JPEG:
|
|
imagejpeg($this->_image, $file, $compression);
|
|
break;
|
|
case IMAGETYPE_GIF:
|
|
imagegif($this->_image, $file);
|
|
break;
|
|
case IMAGETYPE_PNG:
|
|
imagepng($this->_image, $file);
|
|
break;
|
|
case IMAGETYPE_WEBP:
|
|
default:
|
|
imagewebp($this->_image, $file, $compression);
|
|
break;
|
|
}
|
|
}
|
|
// 메모리 해제를 위한 메소드
|
|
final protected function destroy_ImageTrait()
|
|
{
|
|
imagedestroy($this->_image);
|
|
}
|
|
}
|