AbstractConverter.php
6 months ago
GraphicsDriverConverter.php
6 months ago
ImagickConverter.php
6 months ago
GraphicsDriverConverter.php
70 lines
| 1 | <?php |
| 2 | |
| 3 | namespace IAWP\Favicon\Converter; |
| 4 | |
| 5 | /** @internal */ |
| 6 | class GraphicsDriverConverter extends \IAWP\Favicon\Converter\AbstractConverter |
| 7 | { |
| 8 | public const MAX_DIMENSION = 3000; |
| 9 | public function save() |
| 10 | { |
| 11 | try { |
| 12 | $blob = $this->blob; |
| 13 | $path = $this->path; |
| 14 | $info = \getimagesizefromstring($blob); |
| 15 | if ($info === \false) { |
| 16 | return \false; |
| 17 | } |
| 18 | list($width, $height, $type) = $info; |
| 19 | $allowedTypes = [\IMAGETYPE_JPEG, \IMAGETYPE_PNG, \IMAGETYPE_GIF, \IMAGETYPE_WEBP]; |
| 20 | if (!\in_array($type, $allowedTypes)) { |
| 21 | return \false; |
| 22 | } |
| 23 | // Image is too large to safely process |
| 24 | if ($width > self::MAX_DIMENSION || $height > self::MAX_DIMENSION) { |
| 25 | return \false; |
| 26 | } |
| 27 | $image = \imagecreatefromstring($blob); |
| 28 | if ($image === \false) { |
| 29 | return \false; |
| 30 | } |
| 31 | $max_size = 48; |
| 32 | $new_width = $width; |
| 33 | $new_height = $height; |
| 34 | if ($width > $max_size || $height > $max_size) { |
| 35 | if ($width > $height) { |
| 36 | $new_width = $max_size; |
| 37 | $new_height = (int) \round($height * ($max_size / $width)); |
| 38 | } else { |
| 39 | $new_height = $max_size; |
| 40 | $new_width = (int) \round($width * ($max_size / $height)); |
| 41 | } |
| 42 | } |
| 43 | $thumbnail_size = \min($new_width, $new_height); |
| 44 | // First resize the image |
| 45 | $resized = \imagecreatetruecolor($new_width, $new_height); |
| 46 | \imagealphablending($resized, \false); |
| 47 | \imagesavealpha($resized, \true); |
| 48 | $transparent = \imagecolorallocatealpha($resized, 0, 0, 0, 127); |
| 49 | \imagefill($resized, 0, 0, $transparent); |
| 50 | \imagecopyresampled($resized, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height); |
| 51 | // Then crop to square |
| 52 | $final = \imagecreatetruecolor($thumbnail_size, $thumbnail_size); |
| 53 | \imagealphablending($final, \false); |
| 54 | \imagesavealpha($final, \true); |
| 55 | $transparent = \imagecolorallocatealpha($final, 0, 0, 0, 127); |
| 56 | \imagefill($final, 0, 0, $transparent); |
| 57 | $src_x = (int) \round(($new_width - $thumbnail_size) / 2); |
| 58 | $src_y = (int) \round(($new_height - $thumbnail_size) / 2); |
| 59 | \imagecopy($final, $resized, 0, 0, $src_x, $src_y, $thumbnail_size, $thumbnail_size); |
| 60 | // Save as PNG |
| 61 | $result = \imagepng($final, $path); |
| 62 | // Clean up |
| 63 | \imagedestroy($image); |
| 64 | \imagedestroy($resized); |
| 65 | \imagedestroy($final); |
| 66 | } catch (\Throwable $e) { |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 |