| 1: | <?php
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| 11: | namespace Opencart\System\Library;
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| 12: | |
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| 15: | class Image {
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| 16: | |
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| 18: |
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| 19: | private string $file;
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| 20: | |
| 21: | |
| 22: |
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| 23: | private $image;
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| 24: | |
| 25: | |
| 26: |
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| 27: | private int $width;
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| 28: | |
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| 30: |
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| 31: | private int $height;
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| 32: | |
| 33: | |
| 34: |
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| 35: | private string $bits;
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| 36: | |
| 37: | |
| 38: |
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| 39: | private string $mime;
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| 40: |
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| 41: | |
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| 43: | |
| 44: | |
| 45: |
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| 46: | public function __construct(string $file) {
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| 47: | if (!extension_loaded('gd')) {
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| 48: | exit('Error: PHP GD is not installed!');
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| 49: | }
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| 50: |
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| 51: | if (is_file($file)) {
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| 52: | $this->file = $file;
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| 53: |
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| 54: | $info = getimagesize($file);
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| 55: |
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| 56: | $this->width = $info[0];
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| 57: | $this->height = $info[1];
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| 58: | $this->bits = $info['bits'] ?? '';
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| 59: | $this->mime = $info['mime'] ?? '';
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| 60: |
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| 61: | if ($this->mime == 'image/gif') {
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| 62: | $this->image = imagecreatefromgif($file);
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| 63: | } elseif ($this->mime == 'image/png') {
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| 64: | $this->image = imagecreatefrompng($file);
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| 65: |
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| 66: | imageinterlace($this->image, false);
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| 67: | } elseif ($this->mime == 'image/jpeg') {
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| 68: | $this->image = imagecreatefromjpeg($file);
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| 69: | } elseif ($this->mime == 'image/webp') {
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| 70: | $this->image = imagecreatefromwebp($file);
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| 71: | }
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| 72: | } else {
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| 73: | throw new \Exception('Error: Could not load image ' . $file . '!');
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| 74: | }
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| 75: | }
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| 76: |
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| 77: | |
| 78: | |
| 79: | |
| 80: | |
| 81: |
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| 82: | public function getFile(): string {
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| 83: | return $this->file;
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| 84: | }
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| 85: |
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| 86: | |
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| 88: | |
| 89: | |
| 90: |
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| 91: | public function getImage() {
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| 92: | return $this->image ?: null;
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| 93: | }
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| 94: |
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| 95: | |
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| 97: | |
| 98: | |
| 99: |
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| 100: | public function getWidth(): int {
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| 101: | return $this->width;
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| 102: | }
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| 103: |
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| 104: | |
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| 108: |
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| 109: | public function getHeight(): int {
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| 110: | return $this->height;
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| 111: | }
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| 112: |
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| 113: | |
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| 115: | |
| 116: | |
| 117: |
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| 118: | public function getBits(): string {
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| 119: | return $this->bits;
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| 120: | }
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| 121: |
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| 122: | |
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| 124: | |
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| 126: |
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| 127: | public function getMime(): string {
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| 128: | return $this->mime;
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| 129: | }
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| 130: |
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| 131: | |
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| 139: | public function save(string $file, int $quality = 90): void {
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| 140: | $info = pathinfo($file);
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| 141: |
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| 142: | $extension = strtolower($info['extension']);
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| 143: |
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| 144: | if (is_object($this->image) || is_resource($this->image)) {
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| 145: | if ($extension == 'jpeg' || $extension == 'jpg') {
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| 146: | imagejpeg($this->image, $file, $quality);
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| 147: | } elseif ($extension == 'png') {
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| 148: | imagepng($this->image, $file);
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| 149: | } elseif ($extension == 'gif') {
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| 150: | imagegif($this->image, $file);
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| 151: | } elseif ($extension == 'webp') {
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| 152: | imagewebp($this->image, $file);
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| 153: | }
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| 154: |
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| 155: | imagedestroy($this->image);
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| 156: | }
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| 157: | }
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| 158: |
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| 168: | public function resize(int $width = 0, int $height = 0, string $default = ''): void {
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| 169: | if (!$this->width || !$this->height) {
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| 170: | return;
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| 171: | }
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| 172: |
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| 173: | $xpos = 0;
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| 174: | $ypos = 0;
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| 175: | $scale = 1;
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| 176: |
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| 177: | $scale_w = $width / $this->width;
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| 178: | $scale_h = $height / $this->height;
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| 179: |
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| 180: | if ($default == 'w') {
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| 181: | $scale = $scale_w;
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| 182: | } elseif ($default == 'h') {
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| 183: | $scale = $scale_h;
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| 184: | } else {
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| 185: | $scale = min($scale_w, $scale_h);
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| 186: | }
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| 187: |
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| 188: | if ($scale == 1 && $scale_h == $scale_w && ($this->mime != 'image/png' && $this->mime != 'image/webp')) {
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| 189: | return;
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| 190: | }
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| 191: |
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| 192: | $new_width = (int)($this->width * $scale);
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| 193: | $new_height = (int)($this->height * $scale);
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| 194: | $xpos = (int)(($width - $new_width) / 2);
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| 195: | $ypos = (int)(($height - $new_height) / 2);
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| 196: |
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| 197: | $image_old = $this->image;
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| 198: | $this->image = imagecreatetruecolor($width, $height);
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| 199: |
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| 200: | if ($this->mime == 'image/png') {
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| 201: | imagealphablending($this->image, false);
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| 202: | imagesavealpha($this->image, true);
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| 203: |
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| 204: | $background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
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| 205: |
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| 206: | imagecolortransparent($this->image, $background);
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| 207: | } elseif ($this->mime == 'image/webp') {
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| 208: | imagealphablending($this->image, false);
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| 209: | imagesavealpha($this->image, true);
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| 210: |
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| 211: | $background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
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| 212: |
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| 213: | imagecolortransparent($this->image, $background);
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| 214: | } else {
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| 215: | $background = imagecolorallocate($this->image, 255, 255, 255);
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| 216: | }
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| 217: |
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| 218: | imagefilledrectangle($this->image, 0, 0, $width, $height, $background);
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| 219: |
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| 220: | imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->width, $this->height);
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| 221: | imagedestroy($image_old);
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| 222: |
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| 223: | $this->width = $width;
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| 224: | $this->height = $height;
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| 225: | }
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| 226: |
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| 227: | |
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| 230: | |
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| 234: |
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| 235: | public function watermark(self $watermark, string $position = 'bottomright'): void {
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| 236: | switch ($position) {
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| 237: | case 'topleft':
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| 238: | $watermark_pos_x = 0;
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| 239: | $watermark_pos_y = 0;
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| 240: | break;
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| 241: | case 'topcenter':
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| 242: | $watermark_pos_x = (int)(($this->width - $watermark->getWidth()) / 2);
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| 243: | $watermark_pos_y = 0;
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| 244: | break;
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| 245: | case 'topright':
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| 246: | $watermark_pos_x = ($this->width - $watermark->getWidth());
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| 247: | $watermark_pos_y = 0;
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| 248: | break;
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| 249: | case 'middleleft':
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| 250: | $watermark_pos_x = 0;
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| 251: | $watermark_pos_y = (int)(($this->height - $watermark->getHeight()) / 2);
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| 252: | break;
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| 253: | case 'middlecenter':
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| 254: | $watermark_pos_x = (int)(($this->width - $watermark->getWidth()) / 2);
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| 255: | $watermark_pos_y = (int)(($this->height - $watermark->getHeight()) / 2);
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| 256: | break;
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| 257: | case 'middleright':
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| 258: | $watermark_pos_x = ($this->width - $watermark->getWidth());
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| 259: | $watermark_pos_y = (int)(($this->height - $watermark->getHeight()) / 2);
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| 260: | break;
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| 261: | case 'bottomleft':
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| 262: | $watermark_pos_x = 0;
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| 263: | $watermark_pos_y = ($this->height - $watermark->getHeight());
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| 264: | break;
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| 265: | case 'bottomcenter':
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| 266: | $watermark_pos_x = (int)(($this->width - $watermark->getWidth()) / 2);
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| 267: | $watermark_pos_y = ($this->height - $watermark->getHeight());
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| 268: | break;
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| 269: | case 'bottomright':
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| 270: | $watermark_pos_x = ($this->width - $watermark->getWidth());
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| 271: | $watermark_pos_y = ($this->height - $watermark->getHeight());
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| 272: | break;
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| 273: | default:
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| 274: | $watermark_pos_x = 0;
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| 275: | $watermark_pos_y = 0;
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| 276: | break;
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| 277: | }
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| 278: |
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| 279: | imagealphablending($this->image, true);
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| 280: | imagesavealpha($this->image, true);
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| 281: | imagecopy($this->image, $watermark->getImage(), $watermark_pos_x, $watermark_pos_y, 0, 0, $watermark->getWidth(), $watermark->getHeight());
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| 282: |
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| 283: | imagedestroy($watermark->getImage());
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| 284: | }
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| 285: |
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| 286: | |
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| 296: | public function crop(int $top_x, int $top_y, int $bottom_x, int $bottom_y): void {
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| 297: | $image_old = $this->image;
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| 298: | $this->image = imagecreatetruecolor($bottom_x - $top_x, $bottom_y - $top_y);
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| 299: |
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| 300: | imagecopy($this->image, $image_old, 0, 0, $top_x, $top_y, $this->width, $this->height);
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| 301: | imagedestroy($image_old);
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| 302: |
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| 303: | $this->width = $bottom_x - $top_x;
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| 304: | $this->height = $bottom_y - $top_y;
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| 305: | }
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| 306: |
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| 315: | public function rotate(int $degree, string $color = 'FFFFFF'): void {
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| 316: | $rgb = $this->html2rgb($color);
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| 317: |
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| 318: | $this->image = imagerotate($this->image, $degree, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));
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| 319: |
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| 320: | $this->width = imagesx($this->image);
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| 321: | $this->height = imagesy($this->image);
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| 322: | }
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| 323: |
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| 324: | |
| 325: | |
| 326: | |
| 327: | |
| 328: |
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| 329: | private function filter(): void {
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| 330: | $args = func_get_args();
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| 331: |
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| 332: | imagefilter(...$args);
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| 333: | }
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| 334: |
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| 346: | private function text(string $text, int $x = 0, int $y = 0, int $size = 5, string $color = '000000'): void {
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| 347: | $rgb = $this->html2rgb($color);
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| 348: |
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| 349: | imagestring($this->image, $size, $x, $y, $text, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));
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| 350: | }
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| 351: |
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| 362: | private function merge(self $merge, int $x = 0, int $y = 0, int $opacity = 100): void {
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| 363: | imagecopymerge($this->image, $merge->getImage(), $x, $y, 0, 0, $merge->getWidth(), $merge->getHeight(), $opacity);
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| 364: | }
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| 365: |
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| 366: | |
| 367: | |
| 368: | |
| 369: | |
| 370: | |
| 371: | |
| 372: |
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| 373: | private function html2rgb(string $color): array {
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| 374: | if ($color[0] == '#') {
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| 375: | $color = substr($color, 1);
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| 376: | }
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| 377: |
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| 378: | if (strlen($color) == 6) {
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| 379: | [
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| 380: | $r,
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| 381: | $g,
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| 382: | $b
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| 383: | ] = [
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| 384: | $color[0] . $color[1],
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| 385: | $color[2] . $color[3],
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| 386: | $color[4] . $color[5]
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| 387: | ];
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| 388: | } elseif (strlen($color) == 3) {
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| 389: | [
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| 390: | $r,
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| 391: | $g,
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| 392: | $b
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| 393: | ] = [
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| 394: | $color[0] . $color[0],
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| 395: | $color[1] . $color[1],
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| 396: | $color[2] . $color[2]
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| 397: | ];
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| 398: | } else {
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| 399: | return [];
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| 400: | }
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| 401: |
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| 402: | $r = hexdec($r);
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| 403: | $g = hexdec($g);
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| 404: | $b = hexdec($b);
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| 405: |
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| 406: | return [
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| 407: | $r,
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| 408: | $g,
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| 409: | $b
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| 410: | ];
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| 411: | }
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| 412: | }
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| 413: | |