class-activation.php
2 weeks ago
class-admin-menu-organizer.php
2 weeks ago
class-admin-menu-svg-icon-mask.php
2 weeks ago
class-auto-publish-posts-with-missed-schedule.php
2 weeks ago
class-avif-upload.php
2 weeks ago
class-captcha-protection.php
2 weeks ago
class-change-login-url.php
2 weeks ago
class-cleanup-admin-bar.php
2 weeks ago
class-common-methods.php
2 weeks ago
class-content-duplication.php
2 weeks ago
class-content-order.php
2 weeks ago
class-custom-admin-footer-text.php
2 weeks ago
class-custom-body-class.php
2 weeks ago
class-custom-css.php
2 weeks ago
class-custom-nav-menu-items-in-new-tab.php
2 weeks ago
class-deactivation.php
2 weeks ago
class-disable-author-archives.php
2 weeks ago
class-disable-comments.php
2 weeks ago
class-disable-dashboard-widgets.php
2 weeks ago
class-disable-embeds.php
2 weeks ago
class-disable-feeds.php
2 weeks ago
class-disable-gutenberg.php
2 weeks ago
class-disable-rest-api.php
2 weeks ago
class-disable-smaller-components.php
2 weeks ago
class-disable-updates.php
2 weeks ago
class-disable-user-account.php
2 weeks ago
class-disable-xml-rpc.php
2 weeks ago
class-display-system-summary.php
2 weeks ago
class-email-address-obfuscator.php
2 weeks ago
class-email-delivery.php
2 weeks ago
class-enhance-list-tables.php
2 weeks ago
class-external-permalinks.php
2 weeks ago
class-heartbeat-control.php
2 weeks ago
class-hide-admin-bar.php
2 weeks ago
class-hide-admin-notices.php
2 weeks ago
class-image-sizes-panel.php
2 weeks ago
class-image-upload-control.php
2 weeks ago
class-insert-head-body-footer-code.php
2 weeks ago
class-last-login-column.php
2 weeks ago
class-limit-login-attempts.php
2 weeks ago
class-login-id-type.php
2 weeks ago
class-login-logout-menu.php
2 weeks ago
class-maintenance-mode.php
2 weeks ago
class-manage-ads-appads-txt.php
2 weeks ago
class-manage-robots-txt.php
2 weeks ago
class-media-files-visibility-control.php
2 weeks ago
class-media-replacement.php
2 weeks ago
class-multiple-user-roles.php
2 weeks ago
class-navigation-menu-duplicator.php
2 weeks ago
class-obfuscate-author-slugs.php
2 weeks ago
class-open-external-links-in-new-tab.php
2 weeks ago
class-password-protection.php
2 weeks ago
class-redirect-after-login.php
2 weeks ago
class-redirect-after-logout.php
2 weeks ago
class-redirect-fourofour.php
2 weeks ago
class-registration-date-column.php
2 weeks ago
class-revisions-control.php
2 weeks ago
class-search-engines-visibility.php
2 weeks ago
class-settings-fields-render.php
2 weeks ago
class-settings-sanitization.php
2 weeks ago
class-settings-sections-fields.php
2 weeks ago
class-show-custom-taxonomy-filters.php
2 weeks ago
class-site-identity-on-login-page.php
2 weeks ago
class-svg-upload.php
2 weeks ago
class-third-party-compat.php
2 weeks ago
class-various-admin-ui-enhancements.php
2 weeks ago
class-view-admin-as-role.php
2 weeks ago
class-wider-admin-menu.php
2 weeks ago
class-wp-config-transformer.php
2 weeks ago
class-image-upload-control.php
488 lines
| 1 | <?php |
| 2 | |
| 3 | namespace ASENHA\Classes; |
| 4 | |
| 5 | use Imagick; |
| 6 | /** |
| 7 | * Class for Image Upload Control module |
| 8 | * |
| 9 | * @since 6.9.5 |
| 10 | */ |
| 11 | class Image_Upload_Control { |
| 12 | public $png_is_transparent; |
| 13 | |
| 14 | /** |
| 15 | * Array storing the file names that were processed, as keys. |
| 16 | * |
| 17 | * @since 7.5.0 |
| 18 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L30 |
| 19 | * |
| 20 | * @access private |
| 21 | * |
| 22 | * @var array |
| 23 | */ |
| 24 | private $orientation_fixed; |
| 25 | |
| 26 | /** |
| 27 | * Array storing the meta data of original files in case it |
| 28 | * needs to be restored later. |
| 29 | * |
| 30 | * @since 7.5.0 |
| 31 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L42 |
| 32 | * |
| 33 | * @access private |
| 34 | * |
| 35 | * @var array |
| 36 | */ |
| 37 | private $previous_meta; |
| 38 | |
| 39 | /** |
| 40 | * Constructor |
| 41 | * @since 7.4.3 |
| 42 | */ |
| 43 | function __construct() { |
| 44 | $this->png_is_transparent = false; |
| 45 | $this->orientation_fixed = array(); |
| 46 | $this->previous_meta = array(); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Handler for image uploads. Convert and resize images. |
| 51 | * |
| 52 | * @since 4.3.0 |
| 53 | */ |
| 54 | public function image_upload_handler( $upload ) { |
| 55 | $options = get_option( ASENHA_SLUG_U, array() ); |
| 56 | $applicable_mime_types = array( |
| 57 | 'image/bmp', |
| 58 | 'image/x-ms-bmp', |
| 59 | 'image/png', |
| 60 | 'image/jpeg', |
| 61 | 'image/jpg', |
| 62 | 'image/webp' |
| 63 | ); |
| 64 | $disable_image_conversion = false; |
| 65 | if ( in_array( $upload['type'], $applicable_mime_types ) ) { |
| 66 | // Exlude from conversion and resizing images with filenames ending with '-nr', e.g. birds-nr.png |
| 67 | if ( false !== strpos( $upload['file'], '-nr.' ) ) { |
| 68 | return $upload; |
| 69 | } |
| 70 | // Image conversion is not disabled |
| 71 | if ( !$disable_image_conversion ) { |
| 72 | // Convert BMP |
| 73 | if ( 'image/bmp' === $upload['type'] || 'image/x-ms-bmp' === $upload['type'] ) { |
| 74 | $upload = $this->maybe_convert_image( 'bmp', $upload ); |
| 75 | } |
| 76 | // Convert PNG without transparency |
| 77 | if ( 'image/png' === $upload['type'] ) { |
| 78 | $upload = $this->maybe_convert_image( 'png', $upload ); |
| 79 | } |
| 80 | } |
| 81 | // At this point, BMPs and non-transparent PNGs are already converted to JPGs, unless excluded with '-nr' suffix. |
| 82 | // Let's perform resize operation as needed, i.e. if image dimension is larger than specified |
| 83 | $mime_types_to_resize = array( |
| 84 | 'image/jpeg', |
| 85 | 'image/jpg', |
| 86 | 'image/png', |
| 87 | 'image/webp' |
| 88 | ); |
| 89 | if ( !is_wp_error( $upload ) && in_array( $upload['type'], $mime_types_to_resize ) && filesize( $upload['file'] ) > 0 ) { |
| 90 | // https://developer.wordpress.org/reference/classes/wp_image_editor/ |
| 91 | $wp_image_editor = wp_get_image_editor( $upload['file'] ); |
| 92 | if ( !is_wp_error( $wp_image_editor ) ) { |
| 93 | $image_size = $wp_image_editor->get_size(); |
| 94 | $max_width = $options['image_max_width']; |
| 95 | $max_height = $options['image_max_height']; |
| 96 | $convert_to_jpg_quality = 82; |
| 97 | $did_resize = false; |
| 98 | // Check upload image's dimension and only resize if larger than the defined max dimension |
| 99 | if ( isset( $image_size['width'] ) && $image_size['width'] > $max_width || isset( $image_size['height'] ) && $image_size['height'] > $max_height ) { |
| 100 | $wp_image_editor->resize( $max_width, $max_height, false ); |
| 101 | // false is for no cropping |
| 102 | $did_resize = true; |
| 103 | } |
| 104 | // Save only when a resize happened. |
| 105 | // Avoid re-encoding (and potentially recompressing) images that are already within max dimensions. |
| 106 | if ( $did_resize ) { |
| 107 | if ( 'image/jpg' === $upload['type'] || 'image/jpeg' === $upload['type'] ) { |
| 108 | $wp_image_editor->set_quality( $convert_to_jpg_quality ); |
| 109 | } |
| 110 | $wp_image_editor->save( $upload['file'] ); |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | return $upload; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Convert BMP or PNG without transparency into JPG |
| 120 | * |
| 121 | * @since 4.3.0 |
| 122 | */ |
| 123 | public function maybe_convert_image( $file_extension, $upload ) { |
| 124 | $image_object = null; |
| 125 | // Get image object from uploaded BMP/PNG |
| 126 | if ( 'bmp' === $file_extension ) { |
| 127 | if ( is_file( $upload['file'] ) ) { |
| 128 | // Generate image object from BMP for conversion to JPG later |
| 129 | if ( function_exists( 'imagecreatefrombmp' ) ) { |
| 130 | // PHP >= v7.2 |
| 131 | $image_object = \imagecreatefrombmp( $upload['file'] ); |
| 132 | } else { |
| 133 | // PHP < v7.2 |
| 134 | require_once ASENHA_PATH . 'includes/bmp-to-image-object.php'; |
| 135 | $image_object = bmp_to_image_object( $upload['file'] ); |
| 136 | } |
| 137 | } |
| 138 | } |
| 139 | if ( 'png' === $file_extension ) { |
| 140 | // Detect alpha/transparency in PNG |
| 141 | $this->png_is_transparent = false; |
| 142 | if ( is_file( $upload['file'] ) ) { |
| 143 | if ( function_exists( 'imagecreatefrompng' ) ) { |
| 144 | // GD library is present, so 'imagecreatefrompng' function is available |
| 145 | // Generate image object from PNG for potential conversion to JPG later. |
| 146 | $image_object = \imagecreatefrompng( $upload['file'] ); |
| 147 | // Get image dimension |
| 148 | list( $width, $height ) = getimagesize( $upload['file'] ); |
| 149 | // Run through pixels until transparent pixel is found |
| 150 | if ( false !== $image_object ) { |
| 151 | for ($x = 0; $x < $width; $x++) { |
| 152 | for ($y = 0; $y < $height; $y++) { |
| 153 | $pixel_color_index = \imagecolorat( $image_object, $x, $y ); |
| 154 | $pixel_rgba = \imagecolorsforindex( $image_object, $pixel_color_index ); |
| 155 | // array of red, green, blue and alpha values |
| 156 | if ( $pixel_rgba['alpha'] > 0 ) { |
| 157 | // a pixel with alpha/transparency has been found |
| 158 | // alpha value range from 0 (completely opaque) to 127 (fully transparent). |
| 159 | // Ref: https://www.php.net/manual/en/function.imagecolorallocatealpha.php |
| 160 | $this->png_is_transparent = true; |
| 161 | break 2; |
| 162 | // Break both 'for' loops |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | } else { |
| 168 | if ( class_exists( 'Imagick' ) ) { |
| 169 | $imagick = new Imagick(); |
| 170 | $imagick->readImage( $upload['file'] ); |
| 171 | // Ref: https://stackoverflow.com/a/52295997 |
| 172 | // Ref: https://www.php.net/manual/en/imagick.getimagechannelrange.php |
| 173 | // If the channel is defined, and has any transparent areas across any frame, then maxima will always be greater then minima. |
| 174 | // If the channel is NOT defined, then minima will be Inf placeholder, and maxima will be -Inf placeholder, so the above check will still work. |
| 175 | $alpha_range = $imagick->getImageChannelRange( Imagick::CHANNEL_ALPHA ); |
| 176 | $this->png_is_transparent = $alpha_range['minima'] < $alpha_range['maxima']; |
| 177 | } |
| 178 | } |
| 179 | } |
| 180 | // Do not convert PNG with alpha/transparency |
| 181 | if ( $this->png_is_transparent ) { |
| 182 | return $upload; |
| 183 | } |
| 184 | } |
| 185 | // Let's convert BMP and non-transparent PNG into JPG |
| 186 | $converted_to_jpg = false; |
| 187 | $keep_original_image = false; |
| 188 | if ( is_object( $image_object ) || class_exists( 'Imagick' ) ) { |
| 189 | $wp_uploads = wp_upload_dir(); |
| 190 | $old_filename = wp_basename( $upload['file'] ); |
| 191 | // Assign new, unique file name for the converted image |
| 192 | // $new_filename = wp_basename( str_ireplace( '.' . $file_extension, '.jpg', $old_filename ) ); |
| 193 | $new_filename = str_ireplace( '.' . $file_extension, '.jpg', $old_filename ); |
| 194 | $new_filename = wp_unique_filename( dirname( $upload['file'] ), $new_filename ); |
| 195 | // original image is always deleted in ASE Free |
| 196 | $keep_original_image = false; |
| 197 | $converted_to_jpg = false; |
| 198 | } |
| 199 | // Prefer GD when JPEG encode is available. Some custom PHP builds ship GD with PNG |
| 200 | // support but without imagejpeg(); guard that case and fall back to Imagick below. |
| 201 | if ( is_object( $image_object ) && function_exists( 'imagejpeg' ) ) { |
| 202 | // When conversion from BMP/PNG to JPG is successful using GD. Last parameter is JPG quality (0-100). |
| 203 | if ( \imagejpeg( $image_object, $wp_uploads['path'] . '/' . $new_filename, 90 ) ) { |
| 204 | $converted_to_jpg = true; |
| 205 | } |
| 206 | } |
| 207 | // Fall back to Imagick when GD image object creation failed, imagejpeg() is unavailable, |
| 208 | // or GD JPEG encode returned false. |
| 209 | if ( !$converted_to_jpg && class_exists( 'Imagick' ) ) { |
| 210 | $imagick = new Imagick(); |
| 211 | $imagick->readImage( $upload['file'] ); |
| 212 | $imagick->setImageCompressionQuality( 90 ); |
| 213 | $imagick->setImageFormat( 'jpg' ); |
| 214 | // $imagick->setFormat( 'jpg' ); |
| 215 | if ( $imagick->writeImage( $wp_uploads['path'] . '/' . $new_filename ) ) { |
| 216 | $converted_to_jpg = true; |
| 217 | } |
| 218 | // Clear the Imagick object |
| 219 | $imagick->clear(); |
| 220 | $imagick->destroy(); |
| 221 | } |
| 222 | if ( $converted_to_jpg ) { |
| 223 | // Delete original BMP / PNG |
| 224 | if ( !$keep_original_image ) { |
| 225 | unlink( $upload['file'] ); |
| 226 | } |
| 227 | // Add converted JPG info into $upload |
| 228 | $upload['file'] = $wp_uploads['path'] . '/' . $new_filename; |
| 229 | $upload['url'] = $wp_uploads['url'] . '/' . $new_filename; |
| 230 | $upload['type'] = 'image/jpeg'; |
| 231 | } |
| 232 | return $upload; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Generate image object from PNG/JPG with GD library |
| 237 | * |
| 238 | * @since 6.9.11 |
| 239 | */ |
| 240 | public function gd_generate_webp( |
| 241 | $file, |
| 242 | $file_extension, |
| 243 | $webp_path, |
| 244 | $webp_conversion_quality |
| 245 | ) { |
| 246 | $image_object = null; |
| 247 | if ( 'png' == $file_extension && function_exists( 'imagecreatefrompng' ) ) { |
| 248 | $image_object = \imagecreatefrompng( $file ); |
| 249 | if ( false !== $image_object && $this->png_is_transparent && function_exists( 'imagepalettetotruecolor' ) ) { |
| 250 | \imagepalettetotruecolor( $image_object ); |
| 251 | } |
| 252 | } |
| 253 | if ( ('jpg' == $file_extension || 'jpeg' == $file_extension) && function_exists( 'imagecreatefromjpeg' ) ) { |
| 254 | $image_object = \imagecreatefromjpeg( $file ); |
| 255 | } |
| 256 | // When creation of image object from PNG/JPG is successful. let's generate WebP image |
| 257 | // Second parameter is file path, last parameter is WebP quality (0-100). |
| 258 | if ( !is_null( $image_object ) && is_object( $image_object ) && function_exists( 'imagewebp' ) ) { |
| 259 | \imagewebp( $image_object, $webp_path, $webp_conversion_quality ); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Checks the filename before it is uploaded to WordPress and |
| 265 | * runs the fix_image_orientation function in case its needed. |
| 266 | * |
| 267 | * @since 7.5.0 |
| 268 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L172 |
| 269 | * |
| 270 | * @access public |
| 271 | * |
| 272 | * @hook wp_handle_upload_prefilter |
| 273 | * |
| 274 | * @param array $file An array of data for a single file. |
| 275 | * |
| 276 | * @return array An array of data for a single file. |
| 277 | */ |
| 278 | public function prefilter_maybe_fix_image_orientation( $file ) { |
| 279 | // Get the file extension |
| 280 | // $suffix = substr( $file['name'], strrpos( $file['name'], '.', -1 ) + 1 ); |
| 281 | $suffix = pathinfo( $file['name'], PATHINFO_EXTENSION ); |
| 282 | if ( in_array( strtolower( $suffix ), array('jpg', 'jpeg', 'tiff'), true ) ) { |
| 283 | $this->fix_image_orientation( $file['tmp_name'] ); |
| 284 | } |
| 285 | return $file; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Checks the filename before it is uploaded to WordPress and |
| 290 | * runs the fix_image_orientation function in case its needed. |
| 291 | * |
| 292 | * @since 7.5.0 |
| 293 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L150 |
| 294 | * |
| 295 | * @access public |
| 296 | * |
| 297 | * @hook wp_handle_upload |
| 298 | * |
| 299 | * @param array $file { |
| 300 | * Array of upload data. |
| 301 | * |
| 302 | * @type string $file Filename of the newly-uploaded file. |
| 303 | * @type string $url URL of the uploaded file. |
| 304 | * @type string $type File type. |
| 305 | * } |
| 306 | * |
| 307 | * @return array Array of upload data. |
| 308 | */ |
| 309 | public function maybe_fix_image_orientation( $file ) { |
| 310 | $suffix = substr( $file['file'], strrpos( $file['file'], '.', -1 ) + 1 ); |
| 311 | if ( in_array( strtolower( $suffix ), array('jpg', 'jpeg', 'tiff'), true ) ) { |
| 312 | $this->fix_image_orientation( $file['file'] ); |
| 313 | } |
| 314 | return $file; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Fixes the orientation of the image based on exif data |
| 319 | * |
| 320 | * @since 7.5.0 |
| 321 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L191 |
| 322 | * |
| 323 | * @access public |
| 324 | * |
| 325 | * @param string $file Path of the file. |
| 326 | * |
| 327 | * @return void |
| 328 | */ |
| 329 | public function fix_image_orientation( $file ) { |
| 330 | if ( !isset( $this->orientation_fixed[$file] ) ) { |
| 331 | $exif = @exif_read_data( $file ); |
| 332 | if ( isset( $exif ) && isset( $exif['Orientation'] ) && $exif['Orientation'] > 1 ) { |
| 333 | // Need it so that image editors are available to us. |
| 334 | // include_once ABSPATH . 'wp-admin/includes/image-edit.php'; |
| 335 | // Calculate the operations we need to perform on the image. |
| 336 | $operations = $this->calculate_flip_and_rotate( $file, $exif ); |
| 337 | if ( false !== $operations ) { |
| 338 | // Lets flip flop and rotate the image as needed. |
| 339 | $this->do_flip_and_rotate( $file, $operations ); |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Calculate the flips and rotations image will need to do to fix its orientation. |
| 347 | * |
| 348 | * @since 7.5.0 |
| 349 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L225 |
| 350 | * |
| 351 | * @access private |
| 352 | * |
| 353 | * @param string $file Path of the file. |
| 354 | * |
| 355 | * @param array $exif Exif data of the image. |
| 356 | * |
| 357 | * @return array|bool Array of operations to be performed on the image, |
| 358 | * false if no operations are needed. |
| 359 | */ |
| 360 | private function calculate_flip_and_rotate( $file, $exif ) { |
| 361 | $rotator = false; |
| 362 | $flipper = false; |
| 363 | $orientation = 0; |
| 364 | // Lets switch to the orientation defined in the exif data. |
| 365 | switch ( $exif['Orientation'] ) { |
| 366 | case 1: |
| 367 | // We don't want to fix an already correct image :). |
| 368 | $this->orientation_fixed[$file] = true; |
| 369 | return false; |
| 370 | case 2: |
| 371 | $flipper = array(false, true); |
| 372 | break; |
| 373 | case 3: |
| 374 | $orientation = -180; |
| 375 | $rotator = true; |
| 376 | break; |
| 377 | case 4: |
| 378 | $flipper = array(true, false); |
| 379 | break; |
| 380 | case 5: |
| 381 | $orientation = -90; |
| 382 | $rotator = true; |
| 383 | $flipper = array(false, true); |
| 384 | break; |
| 385 | case 6: |
| 386 | $orientation = -90; |
| 387 | $rotator = true; |
| 388 | break; |
| 389 | case 7: |
| 390 | $orientation = -270; |
| 391 | $rotator = true; |
| 392 | $flipper = array(false, true); |
| 393 | break; |
| 394 | case 8: |
| 395 | case 9: |
| 396 | $orientation = -270; |
| 397 | $rotator = true; |
| 398 | break; |
| 399 | default: |
| 400 | $orientation = 0; |
| 401 | $rotator = true; |
| 402 | break; |
| 403 | } |
| 404 | return compact( 'orientation', 'rotator', 'flipper' ); |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * Flips and rotates the image based on the parameters provided. |
| 409 | * |
| 410 | * @since 7.5.0 |
| 411 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L299 |
| 412 | * |
| 413 | * @access private |
| 414 | * |
| 415 | * @param string $file Path of the file. |
| 416 | * |
| 417 | * @param array $operations { |
| 418 | * Array of operations to be performed on the image. |
| 419 | * |
| 420 | * @type bool $rotator Whether to rotate the image or not. |
| 421 | * @type int $orientation Amount of rotation to be performed in degrees. |
| 422 | * @type array|bool $flipper { |
| 423 | * Whether to flip the image or not, false if no flipping needed. |
| 424 | * |
| 425 | * @type bool $0 Flip along Horizontal Axis. |
| 426 | * @type bool $1 Flip along Vertical Axis. |
| 427 | * } |
| 428 | * } |
| 429 | * |
| 430 | * @return bool Returns true if operations were successful, false otherwise. |
| 431 | */ |
| 432 | private function do_flip_and_rotate( $file, $operations ) { |
| 433 | $editor = wp_get_image_editor( $file ); |
| 434 | // If GD Library is being used, then we need to store metadata to restore later. |
| 435 | if ( 'WP_Image_Editor_GD' === get_class( $editor ) ) { |
| 436 | include_once ABSPATH . 'wp-admin/includes/image.php'; |
| 437 | $this->previous_meta[$file] = wp_read_image_metadata( $file ); |
| 438 | } |
| 439 | if ( !is_wp_error( $editor ) ) { |
| 440 | // Lets rotate and flip the image based on exif orientation. |
| 441 | if ( true === $operations['rotator'] ) { |
| 442 | $editor->rotate( $operations['orientation'] ); |
| 443 | } |
| 444 | if ( false !== $operations['flipper'] ) { |
| 445 | $editor->flip( $operations['flipper'][0], $operations['flipper'][1] ); |
| 446 | } |
| 447 | $editor->save( $file ); |
| 448 | $this->orientation_fixed[$file] = true; |
| 449 | add_filter( |
| 450 | 'wp_read_image_metadata', |
| 451 | array($this, 'restore_meta_data'), |
| 452 | 10, |
| 453 | 2 |
| 454 | ); |
| 455 | return true; |
| 456 | } |
| 457 | return false; |
| 458 | } |
| 459 | |
| 460 | /** |
| 461 | * Restores the meta data of the image after being processed. |
| 462 | * |
| 463 | * WordPress' Imagick Library does not need this, but GD library |
| 464 | * removes metadata from the image upon rotation or flip so this |
| 465 | * method restores those values. |
| 466 | * |
| 467 | * @since 7.5.0 |
| 468 | * @link https://plugins.trac.wordpress.org/browser/fix-image-rotation/tags/2.2.2/includes/class-fix-image-rotation.php#L341 |
| 469 | * |
| 470 | * @hook wp_read_image_metadata |
| 471 | * |
| 472 | * @param array $meta Image meta data. |
| 473 | * @param string $file Path to image file. |
| 474 | * |
| 475 | * @return array Image meta data. |
| 476 | */ |
| 477 | public function restore_meta_data( $meta, $file ) { |
| 478 | if ( isset( $this->previous_meta[$file] ) ) { |
| 479 | $meta = $this->previous_meta[$file]; |
| 480 | // Setting the Orientation meta to the new value after fixing the rotation. |
| 481 | $meta['orientation'] = 1; |
| 482 | return $meta; |
| 483 | } |
| 484 | return $meta; |
| 485 | } |
| 486 | |
| 487 | } |
| 488 |