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✏️ Editing: image.php

<?php
class Image {
	private $file;
	private $image;
	private $width;
	private $height;
	private $bits;
	private $mime;

public function __construct($file) {
		if (file_exists($file)) {
			$this->file = $file;

$info = getimagesize($file);

$this->width  = $info[0];
			$this->height = $info[1];
			$this->bits = isset($info['bits']) ? $info['bits'] : '';
			$this->mime = isset($info['mime']) ? $info['mime'] : '';

if ($this->mime == 'image/gif') {
				$this->image = imagecreatefromgif($file);
			} elseif ($this->mime == 'image/png') {
				$this->image = imagecreatefrompng($file);
			} elseif ($this->mime == 'image/jpeg') {
				$this->image = imagecreatefromjpeg($file);
			}
		} else {
			exit('Error: Could not load image ' . $file . '!');
		}
	}

public function getFile() {
		return $this->file;
	}

public function getImage() {
		return $this->image;
	}

public function getWidth() {
		return $this->width;
	}

public function getHeight() {
		return $this->height;
	}

public function getBits() {
		return $this->bits;
	}

public function getMime() {
		return $this->mime;
	}

public function save($file, $quality = 90) {
		$info = pathinfo($file);

$extension = strtolower($info['extension']);

if (is_resource($this->image)) {
			if ($extension == 'jpeg' || $extension == 'jpg') {
				imagejpeg($this->image, $file, $quality);
			} elseif ($extension == 'png') {
				imagepng($this->image, $file);
			} elseif ($extension == 'gif') {
				imagegif($this->image, $file);
			}

imagedestroy($this->image);
		}
	}

public function resize($width = 0, $height = 0, $default = '') {
		if (!$this->width || !$this->height) {
			return;
		}

$xpos = 0;
		$ypos = 0;
		$scale = 1;

$scale_w = $width / $this->width;
		$scale_h = $height / $this->height;

if ($default == 'w') {
			$scale = $scale_w;
		} elseif ($default == 'h') {
			$scale = $scale_h;
		} else {
			$scale = min($scale_w, $scale_h);
		}

if ($scale == 1 && $scale_h == $scale_w && $this->mime != 'image/png') {
			return;
		}

$new_width = (int)($this->width * $scale);
		$new_height = (int)($this->height * $scale);
		$xpos = (int)(($width - $new_width) / 2);
		$ypos = (int)(($height - $new_height) / 2);

$image_old = $this->image;
		$this->image = imagecreatetruecolor($width, $height);

if ($this->mime == 'image/png') {
			imagealphablending($this->image, false);
			imagesavealpha($this->image, true);
			$background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
			imagecolortransparent($this->image, $background);
		} else {
			$background = imagecolorallocate($this->image, 255, 255, 255);
		}

imagefilledrectangle($this->image, 0, 0, $width, $height, $background);

imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->width, $this->height);
		imagedestroy($image_old);

$this->width = $width;
		$this->height = $height;
	}

public function watermark($watermark, $position = 'bottomright') {
		switch($position) {
			case 'topleft':
				$watermark_pos_x = 0;
				$watermark_pos_y = 0;
				break;
			case 'topright':
				$watermark_pos_x = $this->width - $watermark->getWidth();
				$watermark_pos_y = 0;
				break;
			case 'bottomleft':
				$watermark_pos_x = 0;
				$watermark_pos_y = $this->height - $watermark->getHeight();
				break;
			case 'bottomright':
				$watermark_pos_x = $this->width - $watermark->getWidth();
				$watermark_pos_y = $this->height - $watermark->getHeight();
				break;
		}

imagecopy($this->image, $watermark->getImage(), $watermark_pos_x, $watermark_pos_y, 0, 0, $watermark->getWidth(), $watermark->getHeight());

imagedestroy($watermark->getImage());
	}
	
	public function addwatermark($position = 'bottomright') {
		$watermark = imagecreatefrompng(DIR_IMAGE . 'watermark.png');
       
        $watermark_width = imagesx($watermark);
        $watermark_height = imagesy($watermark);
        
        switch($position) {
            case 'topleft':
                $watermark_pos_x = 0;
                $watermark_pos_y = 0;
                break;
            case 'topright':
                $watermark_pos_x = $this->info['width'] - $watermark_width;
                $watermark_pos_y = 0;
                break;
            case 'bottomleft':
                $watermark_pos_x = 0;
                $watermark_pos_y = $this->info['height'] - $watermark_height;
                break;
            case 'bottomright':
                $watermark_pos_x = $this->info['width'] - $watermark_width;
                $watermark_pos_y = $this->info['height'] - $watermark_height;
                break;
           case 'middle':
                $watermark_pos_x = ($this->width - $watermark_width)/2;
                $watermark_pos_y = ($this->height - $watermark_height)/2;
                break;
        }
        
        imagecopy($this->image, $watermark, $watermark_pos_x, $watermark_pos_y, 0, 0, $watermark_width, $watermark_height);
        //echo $this->image;
        imagedestroy($watermark);
     }
     
	public function crop($top_x, $top_y, $bottom_x, $bottom_y) {
		$image_old = $this->image;
		$this->image = imagecreatetruecolor($bottom_x - $top_x, $bottom_y - $top_y);

imagecopy($this->image, $image_old, 0, 0, $top_x, $top_y, $this->width, $this->height);
		imagedestroy($image_old);

$this->width = $bottom_x - $top_x;
		$this->height = $bottom_y - $top_y;
	}

public function rotate($degree, $color = 'FFFFFF') {
		$rgb = $this->html2rgb($color);

$this->image = imagerotate($this->image, $degree, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));

$this->width = imagesx($this->image);
		$this->height = imagesy($this->image);
	}

private function filter() {
        $args = func_get_args();

call_user_func_array('imagefilter', $args);
	}

private function text($text, $x = 0, $y = 0, $size = 5, $color = '000000') {
		$rgb = $this->html2rgb($color);

imagestring($this->image, $size, $x, $y, $text, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));
	}

private function merge($merge, $x = 0, $y = 0, $opacity = 100) {
		imagecopymerge($this->image, $merge->getImage(), $x, $y, 0, 0, $merge->getWidth(), $merge->getHeight(), $opacity);
	}

private function html2rgb($color) {
		if ($color[0] == '#') {
			$color = substr($color, 1);
		}

if (strlen($color) == 6) {
			list($r, $g, $b) = array($color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5]);
		} elseif (strlen($color) == 3) {
			list($r, $g, $b) = array($color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2]);
		} else {
			return false;
		}

$r = hexdec($r);
		$g = hexdec($g);
		$b = hexdec($b);

return array($r, $g, $b);
	}
}

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