| @@ -1,7 +1,7 @@ | ||
| 1 | 1 | <?php |
| 2 | 2 | /** |
| 3 | - * Poster generator class | |
| 3 | + * Poster generator class. | |
| 4 | 4 | * |
| 5 | 5 | * @package sharing-image |
| 6 | 6 | * @author Anton Lukin |
| 7 | 7 | */ |
| @@ -16,141 +16,46 @@ | ||
| 16 | 16 | die; |
| 17 | 17 | } |
| 18 | 18 | |
| 19 | 19 | /** |
| 20 | - * Poster generator class | |
| 20 | + * Generator class. | |
| 21 | 21 | * |
| 22 | 22 | * @class Generator |
| 23 | 23 | */ |
| 24 | 24 | class Generator { |
| 25 | 25 | /** |
| 26 | - * The instance of Settings class. | |
| 26 | + * Check requred template values. | |
| 27 | 27 | * |
| 28 | - * @var instance | |
| 29 | - */ | |
| 30 | - private $settings; | |
| 31 | - | |
| 32 | - /** | |
| 33 | - * Generator constructor. | |
| 34 | - */ | |
| 35 | - public function __construct() { | |
| 36 | - $this->settings = new Settings(); | |
| 37 | - } | |
| 38 | - | |
| 39 | - /** | |
| 40 | - * Compose image using picker data. | |
| 28 | + * @param array $template List of template settings. | |
| 41 | 29 | * |
| 42 | - * @param array $picker Picker data from metabox. | |
| 43 | - * | |
| 44 | - * @return array|WP_Error Poster url, width and height or WP_Error on failure. | |
| 30 | + * @return bool Whether all required values isset. | |
| 45 | 31 | */ |
| 46 | - public function compose( $picker ) { | |
| 47 | - if ( ! isset( $picker['template'] ) ) { | |
| 48 | - return new WP_Error( 'validate', esc_html__( 'Template id cannot be empty', 'sharing-image' ) ); | |
| 49 | - } | |
| 32 | + public static function check_required( $template ) { | |
| 33 | + $required = array( 'width', 'height', 'fill' ); | |
| 50 | 34 | |
| 51 | - $id = absint( $picker['template'] ); | |
| 35 | + // Count intersected values. | |
| 36 | + $prepared = count( self::prepare_args( $template, $required ) ); | |
| 52 | 37 | |
| 53 | - // Get templates list from settings. | |
| 54 | - $templates = $this->settings->get_templates(); | |
| 55 | - | |
| 56 | - if ( ! isset( $templates[ $id ] ) ) { | |
| 57 | - return new WP_Error( 'validate', esc_html__( 'Wrong template id', 'sharing-image' ) ); | |
| 38 | + if ( count( $required ) === $prepared ) { | |
| 39 | + return true; | |
| 58 | 40 | } |
| 59 | 41 | |
| 60 | - $fieldset = array(); | |
| 61 | - | |
| 62 | - if ( isset( $picker['fieldset'][ $id ] ) ) { | |
| 63 | - $fieldset = $picker['fieldset'][ $id ]; | |
| 64 | - } | |
| 65 | - | |
| 66 | - $template = $this->prepare_template( $templates[ $id ], $fieldset ); | |
| 67 | - | |
| 68 | - if ( ! $this->check_required( $template ) ) { | |
| 69 | - return new WP_Error( 'generate', esc_html__( 'Wrong template settings', 'sharing-image' ) ); | |
| 70 | - } | |
| 71 | - | |
| 72 | - list( $path, $url ) = $this->get_upload_file(); | |
| 73 | - | |
| 74 | - // Generate image and save it to given path. | |
| 75 | - $poster = $this->create_poster( $template, $path ); | |
| 76 | - | |
| 77 | - if ( is_wp_error( $poster ) ) { | |
| 78 | - return $poster; | |
| 79 | - } | |
| 80 | - | |
| 81 | - $result = array( | |
| 82 | - 'poster' => $url, | |
| 83 | - 'width' => $template['width'], | |
| 84 | - 'height' => $template['height'], | |
| 85 | - ); | |
| 86 | - | |
| 87 | - return $result; | |
| 42 | + return false; | |
| 88 | 43 | } |
| 89 | 44 | |
| 90 | 45 | /** |
| 91 | - * Show image for settings page using template data. | |
| 92 | - * | |
| 93 | - * @param array $template Templates data from settings page. | |
| 94 | - * @param int $index Template index. | |
| 95 | - * | |
| 96 | - * @return void|WP_Error WP_Error on failure. | |
| 97 | - */ | |
| 98 | - public function show( $template, $index ) { | |
| 99 | - $template = $this->prepare_template( $template, null, $index ); | |
| 100 | - | |
| 101 | - if ( ! $this->check_required( $template ) ) { | |
| 102 | - return new WP_Error( 'generate', esc_html__( 'Wrong template settings', 'sharing-image' ) ); | |
| 103 | - } | |
| 104 | - | |
| 105 | - // Generate image and show it immediately. | |
| 106 | - $poster = $this->create_poster( $template ); | |
| 107 | - | |
| 108 | - if ( is_wp_error( $poster ) ) { | |
| 109 | - return $poster; | |
| 110 | - } | |
| 111 | - | |
| 112 | - exit; // It's ok to exit here. Just cause we show an image above. | |
| 113 | - } | |
| 114 | - | |
| 115 | - /** | |
| 116 | - * Save image for settings page using template data. | |
| 117 | - * | |
| 118 | - * @param array $template Templates data from settings page. | |
| 119 | - * @param int $index Template index. | |
| 120 | - * | |
| 121 | - * @return string|WP_Error Generated poster url or WP_Error on failure. | |
| 122 | - */ | |
| 123 | - public function save( $template, $index ) { | |
| 124 | - $template = $this->prepare_template( $template, null, $index ); | |
| 125 | - | |
| 126 | - if ( ! $this->check_required( $template ) ) { | |
| 127 | - return new WP_Error( 'generate', esc_html__( 'Wrong template settings', 'sharing-image' ) ); | |
| 128 | - } | |
| 129 | - | |
| 130 | - list( $path, $url ) = $this->get_upload_file(); | |
| 131 | - | |
| 132 | - // Generate image and save it. | |
| 133 | - $poster = $this->create_poster( $template, $path ); | |
| 134 | - | |
| 135 | - if ( is_wp_error( $poster ) ) { | |
| 136 | - return $poster; | |
| 137 | - } | |
| 138 | - | |
| 139 | - return $url; | |
| 140 | - } | |
| 141 | - | |
| 142 | - /** | |
| 143 | 46 | * Prepare template before creating poster. |
| 144 | 47 | * Used to fill fieldset texts and background image. |
| 145 | 48 | * |
| 146 | - * @param array $template List of template data. | |
| 147 | - * @param array $fieldset Optional. Fieldset data from picker. | |
| 148 | - * @param integer $index Optional. Template index from editor. | |
| 49 | + * @param array $template List of template data. | |
| 50 | + * @param array $fieldset Optional. Fieldset data from widget. | |
| 51 | + * @param string $index Optional. Template index from editor. | |
| 52 | + * @param int $screen_id Optional. Post or term ID from admin screen. | |
| 53 | + * @param string $context Optional. Screen ID context field. Can be settings, post or term. | |
| 149 | 54 | * |
| 150 | 55 | * @return array List of template data. |
| 151 | 56 | */ |
| 152 | - private function prepare_template( $template, $fieldset = array(), $index = null ) { | |
| 57 | + public static function prepare_template( $template, $fieldset = array(), $index = null, $screen_id = 0, $context = 'settings' ) { | |
| 153 | 58 | $layers = array(); |
| 154 | 59 | |
| 155 | 60 | if ( isset( $template['layers'] ) ) { |
| 156 | 61 | $layers = $template['layers']; |
| @@ -155,54 +60,40 @@ | ||
| 155 | 60 | if ( isset( $template['layers'] ) ) { |
| 156 | 61 | $layers = $template['layers']; |
| 157 | 62 | } |
| 158 | 63 | |
| 159 | - foreach ( $layers as $i => &$layer ) { | |
| 160 | - if ( empty( $layer['type'] ) || 'text' !== $layer['type'] ) { | |
| 161 | - continue; | |
| 64 | + foreach ( $layers as $key => &$layer ) { | |
| 65 | + if ( 'settings' === $context && ! empty( $template['debug'] ) ) { | |
| 66 | + $layer['debug'] = true; | |
| 162 | 67 | } |
| 163 | 68 | |
| 164 | - if ( empty( $layer['dynamic'] ) ) { | |
| 69 | + if ( empty( $layer['type'] ) || empty( $layer['dynamic'] ) ) { | |
| 165 | 70 | continue; |
| 166 | 71 | } |
| 167 | 72 | |
| 168 | - $layer['content'] = null; | |
| 73 | + switch ( $layer['type'] ) { | |
| 74 | + case 'image': | |
| 75 | + $layer = self::prepare_image_layer( $layer, $fieldset, $key, $context ); | |
| 76 | + break; | |
| 169 | 77 | |
| 170 | - if ( isset( $layer['sample'] ) ) { | |
| 171 | - $layer['content'] = $layer['sample']; | |
| 78 | + case 'text': | |
| 79 | + $layer = self::prepare_text_layer( $layer, $fieldset, $key, $context ); | |
| 80 | + break; | |
| 172 | 81 | } |
| 173 | - | |
| 174 | - if ( isset( $fieldset['captions'][ $i ] ) ) { | |
| 175 | - $layer['content'] = $fieldset['captions'][ $i ]; | |
| 176 | - } | |
| 177 | 82 | } |
| 178 | 83 | |
| 179 | 84 | $template['layers'] = $layers; |
| 180 | 85 | |
| 181 | - if ( 'dynamic' === $template['background'] ) { | |
| 182 | - if ( null !== $index ) { | |
| 183 | - $template['image'] = sprintf( SHARING_IMAGE_DIR . 'assets/images/%d.jpg', ( $index % 12 ) + 1 ); | |
| 184 | - } | |
| 185 | - | |
| 186 | - if ( ! empty( $fieldset['attachment'] ) ) { | |
| 187 | - $template['image'] = get_attached_file( $fieldset['attachment'] ); | |
| 188 | - } | |
| 189 | - } | |
| 190 | - | |
| 191 | - if ( 'permanent' === $template['background'] ) { | |
| 192 | - if ( ! empty( $template['attachment'] ) ) { | |
| 193 | - $template['image'] = get_attached_file( $template['attachment'] ); | |
| 194 | - } | |
| 195 | - } | |
| 196 | - | |
| 197 | 86 | /** |
| 198 | 87 | * Filters template before generation. |
| 199 | 88 | * |
| 200 | - * @param array $template List of template data. | |
| 201 | - * @param array $fieldset Fieldset data from picker. | |
| 202 | - * @param integer $index Template index from editor. | |
| 89 | + * @param array $template List of template data. | |
| 90 | + * @param array $fieldset Fieldset data from widget or sidebars. | |
| 91 | + * @param string $index Template index from editor. | |
| 92 | + * @param int $screen_id Post or term ID from admin screen. | |
| 93 | + * @param string $context Screen ID context field. Can be settings, post or term. | |
| 203 | 94 | */ |
| 204 | - return apply_filters( 'sharing_image_prepare_template', $template, $fieldset, $index ); | |
| 95 | + return apply_filters( 'sharing_image_prepare_template', $template, $fieldset, $index, $screen_id, $context ); | |
| 205 | 96 | } |
| 206 | 97 | |
| 207 | 98 | /** |
| 208 | 99 | * Create poster using template data. |
| @@ -211,35 +102,30 @@ | ||
| 211 | 102 | * @param string $path Optional. File path to save. |
| 212 | 103 | * |
| 213 | 104 | * @return void|WP_Error WP_Error on failure. |
| 214 | 105 | */ |
| 215 | - private function create_poster( $template, $path = null ) { | |
| 106 | + public static function create_poster( $template, $path = null ) { | |
| 216 | 107 | try { |
| 217 | 108 | $poster = new PosterEditor(); |
| 218 | 109 | |
| 219 | 110 | // Set color canvas options. |
| 220 | - $options = array( 'color' => $template['fill'] ); | |
| 111 | + $options = array( | |
| 112 | + 'color' => $template['fill'], | |
| 113 | + 'opacity' => 0, | |
| 114 | + ); | |
| 221 | 115 | |
| 222 | 116 | // Create empty poster. |
| 223 | 117 | $poster->canvas( $template['width'], $template['height'], $options ); |
| 224 | 118 | |
| 225 | - // Recreate poster with image if exists. | |
| 226 | - if ( ! empty( $template['image'] ) ) { | |
| 227 | - $poster->make( $template['image'] )->fit( $template['width'], $template['height'] ); | |
| 228 | - } | |
| 229 | - | |
| 230 | 119 | if ( ! empty( $template['layers'] ) ) { |
| 231 | - $poster = $this->append_layers( $poster, $template['layers'] ); | |
| 120 | + $poster = self::append_layers( $poster, $template['layers'] ); | |
| 232 | 121 | } |
| 233 | 122 | |
| 234 | - $settings = $this->settings; | |
| 235 | - | |
| 236 | - if ( null === $path ) { | |
| 237 | - return $poster->show( $settings->get_file_format(), $settings->get_quality() ); | |
| 123 | + if ( is_null( $path ) ) { | |
| 124 | + return $poster->show( Config::get_file_format(), Config::get_quality() ); | |
| 238 | 125 | } |
| 239 | 126 | |
| 240 | - $poster->save( $path, $settings->get_quality() ); | |
| 241 | - | |
| 127 | + $poster->save( $path, Config::get_quality() ); | |
| 242 | 128 | } catch ( Exception $e ) { |
| 243 | 129 | return new WP_Error( 'generate', $e->getMessage() ); |
| 244 | 130 | } |
| 245 | 131 | } |
| @@ -244,8 +130,34 @@ | ||
| 244 | 130 | } |
| 245 | 131 | } |
| 246 | 132 | |
| 247 | 133 | /** |
| 134 | + * Get upload file path and url. | |
| 135 | + * | |
| 136 | + * @return array Server file path and url to uploaded image. | |
| 137 | + */ | |
| 138 | + public static function get_upload_file() { | |
| 139 | + // Get uploads directory url and path array. | |
| 140 | + list( $path, $url ) = Config::get_upload_dir(); | |
| 141 | + | |
| 142 | + // Create random file name with proper extension. | |
| 143 | + $name = wp_unique_filename( $path, uniqid() . '.' . Config::get_file_format() ); | |
| 144 | + | |
| 145 | + $file = array( | |
| 146 | + trailingslashit( $path ) . $name, | |
| 147 | + trailingslashit( $url ) . $name, | |
| 148 | + ); | |
| 149 | + | |
| 150 | + /** | |
| 151 | + * Filters upload file path and url | |
| 152 | + * | |
| 153 | + * @param array $file Server file path and url to image. | |
| 154 | + * @param string $name Unique file name. | |
| 155 | + */ | |
| 156 | + return apply_filters( 'sharing_image_get_upload_file', $file, $name ); | |
| 157 | + } | |
| 158 | + | |
| 159 | + /** | |
| 248 | 160 | * Append layers to image. |
| 249 | 161 | * |
| 250 | 162 | * @param PosterEditor $poster Instance of PosterEditor class. |
| 251 | 163 | * @param array $layers List of layers options. |
| @@ -251,10 +163,10 @@ | ||
| 251 | 163 | * @param array $layers List of layers options. |
| 252 | 164 | * |
| 253 | 165 | * @return PosterEditor PosterEditor instance. |
| 254 | 166 | */ |
| 255 | - private function append_layers( $poster, $layers ) { | |
| 256 | - $layers = array_reverse( $layers ); | |
| 167 | + private static function append_layers( $poster, $layers ) { | |
| 168 | + $boundary = array(); | |
| 257 | 169 | |
| 258 | 170 | foreach ( $layers as $layer ) { |
| 259 | 171 | if ( empty( $layer['type'] ) ) { |
| 260 | 172 | continue; |
| @@ -261,21 +173,21 @@ | ||
| 261 | 173 | } |
| 262 | 174 | |
| 263 | 175 | switch ( $layer['type'] ) { |
| 264 | 176 | case 'filter': |
| 265 | - $poster = $this->draw_filter( $poster, $layer ); | |
| 177 | + $poster = self::draw_filter( $poster, $layer ); | |
| 266 | 178 | break; |
| 267 | 179 | |
| 268 | 180 | case 'rectangle': |
| 269 | - $poster = $this->draw_rectangle( $poster, $layer ); | |
| 181 | + $poster = self::draw_rectangle( $poster, $layer, $boundary ); | |
| 270 | 182 | break; |
| 271 | 183 | |
| 272 | - case 'text': | |
| 273 | - $poster = $this->draw_text( $poster, $layer ); | |
| 184 | + case 'image': | |
| 185 | + $poster = self::draw_image( $poster, $layer, $boundary ); | |
| 274 | 186 | break; |
| 275 | 187 | |
| 276 | - case 'image': | |
| 277 | - $poster = $this->draw_image( $poster, $layer ); | |
| 188 | + case 'text': | |
| 189 | + $poster = self::draw_text( $poster, $layer, $boundary ); | |
| 278 | 190 | break; |
| 279 | 191 | } |
| 280 | 192 | } |
| 281 | 193 | |
| @@ -282,8 +194,70 @@ | ||
| 282 | 194 | return $poster; |
| 283 | 195 | } |
| 284 | 196 | |
| 285 | 197 | /** |
| 198 | + * Prepare image layer template. | |
| 199 | + * | |
| 200 | + * @param array $layer Image layer data. | |
| 201 | + * @param array $fieldset Fieldset data from widget or sidebar. | |
| 202 | + * @param string $key Layer key. | |
| 203 | + * @param string $context Screen ID context field. Can be settings, post or term. | |
| 204 | + * | |
| 205 | + * @return array List of image layer data. | |
| 206 | + */ | |
| 207 | + private static function prepare_image_layer( $layer, $fieldset, $key, $context ) { | |
| 208 | + if ( 'settings' !== $context ) { | |
| 209 | + unset( $layer['attachment'] ); | |
| 210 | + } | |
| 211 | + | |
| 212 | + if ( ! empty( $fieldset[ $key ] ) ) { | |
| 213 | + $layer['attachment'] = $fieldset[ $key ]; | |
| 214 | + } | |
| 215 | + | |
| 216 | + return $layer; | |
| 217 | + } | |
| 218 | + | |
| 219 | + /** | |
| 220 | + * Prepare text layer template. | |
| 221 | + * | |
| 222 | + * @param array $layer Text layer data. | |
| 223 | + * @param array $fieldset Fieldset data from widget or sidebar. | |
| 224 | + * @param string $key Layer key. | |
| 225 | + * @param string $context Screen ID context field. Can be settings, post or term. | |
| 226 | + * | |
| 227 | + * @return array List of text layer data. | |
| 228 | + */ | |
| 229 | + private static function prepare_text_layer( $layer, $fieldset, $key, $context ) { | |
| 230 | + $layer['content'] = null; | |
| 231 | + | |
| 232 | + if ( isset( $layer['sample'] ) && 'settings' === $context ) { | |
| 233 | + $layer['content'] = $layer['sample']; | |
| 234 | + } | |
| 235 | + | |
| 236 | + if ( isset( $fieldset[ $key ] ) ) { | |
| 237 | + $layer['content'] = $fieldset[ $key ]; | |
| 238 | + } | |
| 239 | + | |
| 240 | + if ( isset( $layer['textconvert'] ) && 'default' !== $layer['textconvert'] ) { | |
| 241 | + if ( 'uppercase' === $layer['textconvert'] ) { | |
| 242 | + if ( function_exists( 'mb_strtoupper' ) ) { | |
| 243 | + $layer['content'] = mb_strtoupper( $layer['content'] ); | |
| 244 | + } else { | |
| 245 | + $layer['content'] = strtoupper( $layer['content'] ); | |
| 246 | + } | |
| 247 | + } elseif ( 'lowercase' === $layer['textconvert'] ) { | |
| 248 | + if ( function_exists( 'mb_strtolower' ) ) { | |
| 249 | + $layer['content'] = mb_strtolower( $layer['content'] ); | |
| 250 | + } else { | |
| 251 | + $layer['content'] = strtolower( $layer['content'] ); | |
| 252 | + } | |
| 253 | + } | |
| 254 | + } | |
| 255 | + | |
| 256 | + return $layer; | |
| 257 | + } | |
| 258 | + | |
| 259 | + /** | |
| 286 | 260 | * Draw filter layer |
| 287 | 261 | * |
| 288 | 262 | * @param PosterEditor $poster Instance of PosterEditor class. |
| 289 | 263 | * @param array $layer Filter layer options. |
| @@ -289,9 +263,9 @@ | ||
| 289 | 263 | * @param array $layer Filter layer options. |
| 290 | 264 | * |
| 291 | 265 | * @return PosterEditor PosterEditor instance. |
| 292 | 266 | */ |
| 293 | - private function draw_filter( $poster, $layer ) { | |
| 267 | + private static function draw_filter( $poster, $layer ) { | |
| 294 | 268 | if ( ! empty( $layer['grayscale'] ) ) { |
| 295 | 269 | $poster->grayscale(); |
| 296 | 270 | } |
| 297 | 271 | |
| @@ -316,20 +290,21 @@ | ||
| 316 | 290 | |
| 317 | 291 | /** |
| 318 | 292 | * Draw rectangle layer. |
| 319 | 293 | * |
| 320 | - * @param PosterEditor $poster Instance of PosterEditor class. | |
| 321 | - * @param array $layer Rectangle layer options. | |
| 294 | + * @param PosterEditor $poster Instance of PosterEditor class. | |
| 295 | + * @param array $layer Rectangle layer options. | |
| 296 | + * @param array $boundary Optional. List of previous layer boundaries. | |
| 322 | 297 | * |
| 323 | 298 | * @return PosterEditor PosterEditor instance. |
| 324 | 299 | */ |
| 325 | - private function draw_rectangle( $poster, $layer ) { | |
| 300 | + private static function draw_rectangle( $poster, $layer, &$boundary = array() ) { | |
| 326 | 301 | // Both x and y should be set. |
| 327 | 302 | if ( ! isset( $layer['x'], $layer['y'] ) ) { |
| 328 | 303 | return $poster; |
| 329 | 304 | } |
| 330 | 305 | |
| 331 | - $args = $this->prepare_args( $layer, array( 'color', 'opacity', 'thickness' ) ); | |
| 306 | + $args = self::prepare_args( $layer, array( 'color', 'opacity', 'thickness' ) ); | |
| 332 | 307 | |
| 333 | 308 | if ( ! empty( $layer['outline'] ) ) { |
| 334 | 309 | $args['outline'] = true; |
| 335 | 310 | } |
| @@ -334,18 +309,27 @@ | ||
| 334 | 309 | $args['outline'] = true; |
| 335 | 310 | } |
| 336 | 311 | |
| 337 | 312 | if ( ! isset( $layer['width'] ) ) { |
| 338 | - $layer['width'] = 0; | |
| 313 | + $layer['width'] = 1; | |
| 339 | 314 | } |
| 340 | 315 | |
| 341 | 316 | if ( ! isset( $layer['height'] ) ) { |
| 342 | - $layer['height'] = 0; | |
| 317 | + $layer['height'] = 1; | |
| 343 | 318 | } |
| 344 | 319 | |
| 320 | + // Update layer position and dimensions. | |
| 321 | + $layer = self::update_layer_position( $layer, $boundary ); | |
| 322 | + $layer = self::update_layer_dimensions( $layer, $poster ); | |
| 323 | + | |
| 345 | 324 | // Draw rectangle. |
| 346 | 325 | $poster->rectangle( $layer['x'], $layer['y'], $layer['width'], $layer['height'], $args ); |
| 347 | 326 | |
| 327 | + // Set boundary from layer dimensions. | |
| 328 | + foreach ( array( 'x', 'y', 'width', 'height' ) as $param ) { | |
| 329 | + $boundary[ $param ] = $layer[ $param ]; | |
| 330 | + } | |
| 331 | + | |
| 348 | 332 | return $poster; |
| 349 | 333 | } |
| 350 | 334 | |
| 351 | 335 | /** |
| @@ -350,46 +334,78 @@ | ||
| 350 | 334 | |
| 351 | 335 | /** |
| 352 | 336 | * Draw image layer |
| 353 | 337 | * |
| 354 | - * @param PosterEditor $poster Instance of PosterEditor class. | |
| 355 | - * @param object $layer Option name. | |
| 338 | + * @param PosterEditor $poster Instance of PosterEditor class. | |
| 339 | + * @param array $layer Image layer options. | |
| 340 | + * @param array $boundary Optional. List of previous layer boundaries. | |
| 356 | 341 | * |
| 357 | 342 | * @return PosterEditor PosterEditor instance. |
| 358 | 343 | */ |
| 359 | - private function draw_image( $poster, $layer ) { | |
| 360 | - // Attachment id is required. | |
| 344 | + private static function draw_image( $poster, $layer, &$boundary = array() ) { | |
| 361 | 345 | if ( ! isset( $layer['attachment'] ) ) { |
| 362 | 346 | return $poster; |
| 363 | 347 | } |
| 364 | 348 | |
| 365 | - $args = $this->prepare_args( $layer, array( 'x', 'y', 'width', 'height' ) ); | |
| 349 | + $image = new PosterEditor(); | |
| 366 | 350 | |
| 367 | - // Get attachment file by id. | |
| 368 | - $image = get_attached_file( $layer['attachment'] ); | |
| 351 | + // Update layer position and dimensions. | |
| 352 | + $layer = self::update_layer_position( $layer, $boundary ); | |
| 353 | + $layer = self::update_layer_dimensions( $layer, $poster ); | |
| 369 | 354 | |
| 370 | - // Insert image to poster. | |
| 371 | - $poster->insert( $image, $args ); | |
| 355 | + $args = self::prepare_args( $layer, array( 'x', 'y', 'opacity' ) ); | |
| 372 | 356 | |
| 373 | - return $poster; | |
| 357 | + // Try to get file from attachment id. | |
| 358 | + $file = get_attached_file( $layer['attachment'] ); | |
| 359 | + | |
| 360 | + if ( empty( $file ) ) { | |
| 361 | + return $poster; | |
| 362 | + } | |
| 363 | + | |
| 364 | + // Create new editor instance by attachment id. | |
| 365 | + $attachment = $image->make( $file ); | |
| 366 | + | |
| 367 | + return $poster->insert( self::resize_attachment( $attachment, $layer ), $args, $boundary ); | |
| 374 | 368 | } |
| 375 | 369 | |
| 376 | 370 | /** |
| 377 | 371 | * Draw text layer. |
| 378 | 372 | * |
| 379 | - * @param PosterEditor $poster Instance of PosterEditor class. | |
| 380 | - * @param array $layer Rectangle layer options. | |
| 373 | + * @param PosterEditor $poster Instance of PosterEditor class. | |
| 374 | + * @param array $layer Text layer options. | |
| 375 | + * @param array $boundary Optional. List of previous layer boundaries. | |
| 381 | 376 | * |
| 382 | 377 | * @return PosterEditor PosterEditor instance. |
| 383 | 378 | */ |
| 384 | - private function draw_text( $poster, $layer ) { | |
| 385 | - $args = $this->prepare_args( $layer, array( 'x', 'y', 'width', 'height', 'fontsize', 'color', 'lineheight', 'opacity', 'horizontal', 'vertical' ) ); | |
| 379 | + private static function draw_text( $poster, $layer, &$boundary = array() ) { | |
| 380 | + $allowed = array( | |
| 381 | + 'x', | |
| 382 | + 'y', | |
| 383 | + 'width', | |
| 384 | + 'height', | |
| 385 | + 'fontsize', | |
| 386 | + 'color', | |
| 387 | + 'lineheight', | |
| 388 | + 'opacity', | |
| 389 | + 'horizontal', | |
| 390 | + 'vertical', | |
| 391 | + 'debug', | |
| 392 | + ); | |
| 386 | 393 | |
| 394 | + // Update layer position and dimensions. | |
| 395 | + $layer = self::update_layer_position( $layer, $boundary ); | |
| 396 | + $layer = self::update_layer_dimensions( $layer, $poster ); | |
| 397 | + | |
| 398 | + // Prepare common layer args. | |
| 399 | + $args = self::prepare_args( $layer, $allowed ); | |
| 400 | + | |
| 387 | 401 | // Try to set font file by name or attachment path. |
| 388 | - $args['fontpath'] = $this->get_fontpath( $layer ); | |
| 402 | + $args['fontpath'] = self::get_fontpath( $layer ); | |
| 389 | 403 | |
| 404 | + $boundary = self::set_empty_boundary( $args ); | |
| 405 | + | |
| 390 | 406 | if ( ! empty( $layer['content'] ) ) { |
| 391 | - $poster->text( $layer['content'], $args ); | |
| 407 | + $poster->text( $layer['content'], $args, $boundary ); | |
| 392 | 408 | } |
| 393 | 409 | |
| 394 | 410 | return $poster; |
| 395 | 411 | } |
| @@ -394,8 +410,80 @@ | ||
| 394 | 410 | return $poster; |
| 395 | 411 | } |
| 396 | 412 | |
| 397 | 413 | /** |
| 414 | + * Set empty boundary list to reset boundary for empty layers. | |
| 415 | + * | |
| 416 | + * @since 3.0 | |
| 417 | + * | |
| 418 | + * @param array $args List of common layer args. | |
| 419 | + */ | |
| 420 | + private static function set_empty_boundary( $args ) { | |
| 421 | + $boundary = array( | |
| 422 | + 'x' => 0, | |
| 423 | + 'y' => 0, | |
| 424 | + 'width' => 0, | |
| 425 | + 'height' => 0, | |
| 426 | + ); | |
| 427 | + | |
| 428 | + if ( isset( $args['x'] ) ) { | |
| 429 | + $boundary['x'] = $args['x']; | |
| 430 | + } | |
| 431 | + | |
| 432 | + if ( isset( $args['y'] ) ) { | |
| 433 | + $boundary['y'] = $args['y']; | |
| 434 | + } | |
| 435 | + | |
| 436 | + return $boundary; | |
| 437 | + } | |
| 438 | + | |
| 439 | + /** | |
| 440 | + * Smart resizing of image layer attachment according to selected options. | |
| 441 | + * | |
| 442 | + * @param PosterEditor $attachment Instance of PosterEditor class. | |
| 443 | + * @param array $layer Layer settings. | |
| 444 | + * | |
| 445 | + * @return PosterEditor PosterEditor instance. | |
| 446 | + */ | |
| 447 | + private static function resize_attachment( $attachment, $layer ) { | |
| 448 | + $width = null; | |
| 449 | + | |
| 450 | + if ( isset( $layer['width'] ) ) { | |
| 451 | + $width = $layer['width']; | |
| 452 | + } | |
| 453 | + | |
| 454 | + $height = null; | |
| 455 | + | |
| 456 | + if ( isset( $layer['height'] ) ) { | |
| 457 | + $height = $layer['height']; | |
| 458 | + } | |
| 459 | + | |
| 460 | + // Reduce the image size if width or height dimensions are not specified. | |
| 461 | + if ( is_null( $width ) || is_null( $height ) ) { | |
| 462 | + return $attachment->downsize( $width, $height ); | |
| 463 | + } | |
| 464 | + | |
| 465 | + if ( 'top' === $layer['resize'] ) { | |
| 466 | + return $attachment->fit( $width, $height, 'top' ); | |
| 467 | + } | |
| 468 | + | |
| 469 | + if ( 'bottom' === $layer['resize'] ) { | |
| 470 | + return $attachment->fit( $width, $height, 'bottom' ); | |
| 471 | + } | |
| 472 | + | |
| 473 | + if ( 'ignore' === $layer['resize'] ) { | |
| 474 | + return $attachment->resize( $width, $height ); | |
| 475 | + } | |
| 476 | + | |
| 477 | + if ( 'crop' === $layer['resize'] ) { | |
| 478 | + return $attachment->crop( $width, $height ); | |
| 479 | + } | |
| 480 | + | |
| 481 | + // Fit center by default. | |
| 482 | + return $attachment->fit( $width, $height ); | |
| 483 | + } | |
| 484 | + | |
| 485 | + /** | |
| 398 | 486 | * Get font file path by layer data. |
| 399 | 487 | * |
| 400 | 488 | * @param array $layer Layer data. |
| 401 | 489 | * @param string $path Default file path. |
| @@ -401,11 +489,11 @@ | ||
| 401 | 489 | * @param string $path Default file path. |
| 402 | 490 | * |
| 403 | 491 | * @return string Filtered path to font file. |
| 404 | 492 | */ |
| 405 | - private function get_fontpath( $layer, $path = '' ) { | |
| 493 | + private static function get_fontpath( $layer, $path = '' ) { | |
| 406 | 494 | if ( isset( $layer['fontname'] ) ) { |
| 407 | - $path = sprintf( SHARING_IMAGE_DIR . 'assets/fonts/%s.ttf', $layer['fontname'] ); | |
| 495 | + $path = sprintf( SHARING_IMAGE_DIR . 'fonts/%s.ttf', $layer['fontname'] ); | |
| 408 | 496 | } |
| 409 | 497 | |
| 410 | 498 | if ( isset( $layer['fontfile'] ) ) { |
| 411 | 499 | $path = get_attached_file( $layer['fontfile'] ); |
| @@ -420,61 +508,87 @@ | ||
| 420 | 508 | return apply_filters( 'sharing_image_get_fontpath', $path, $layer ); |
| 421 | 509 | } |
| 422 | 510 | |
| 423 | 511 | /** |
| 424 | - * Generate upload file path and url. | |
| 512 | + * Update layer position using boundary settings. | |
| 425 | 513 | * |
| 426 | - * @return array Server file path and url to uploaded image. | |
| 514 | + * @param array $layer List of layer options. | |
| 515 | + * @param array $boundary List of previous layer boundaries. | |
| 516 | + * | |
| 517 | + * @return array List of layer settings. | |
| 427 | 518 | */ |
| 428 | - private function get_upload_file() { | |
| 429 | - // Get uploads directory url and path array. | |
| 430 | - list( $path, $url ) = $this->settings->get_upload_dir(); | |
| 519 | + private static function update_layer_position( $layer, $boundary ) { | |
| 520 | + if ( empty( $layer['boundary'] ) || 'absolute' === $layer['boundary'] ) { | |
| 521 | + return $layer; | |
| 522 | + } | |
| 431 | 523 | |
| 432 | - // Create random file name with proper extension. | |
| 433 | - $name = wp_unique_filename( $path, uniqid() . '.' . $this->settings->get_file_format() ); | |
| 524 | + // Check if boundary sizes exist. | |
| 525 | + foreach ( array( 'x', 'y', 'width', 'height' ) as $size ) { | |
| 526 | + if ( ! isset( $boundary[ $size ] ) ) { | |
| 527 | + return $layer; | |
| 528 | + } | |
| 529 | + } | |
| 434 | 530 | |
| 435 | - $file = array( | |
| 436 | - trailingslashit( $path ) . $name, | |
| 437 | - trailingslashit( $url ) . $name, | |
| 438 | - ); | |
| 531 | + $x = $layer['x'] + $boundary['width'] + $boundary['x']; | |
| 532 | + $y = $layer['y'] + $boundary['height'] + $boundary['y']; | |
| 439 | 533 | |
| 440 | - /** | |
| 441 | - * Filters upload file path and url | |
| 442 | - * | |
| 443 | - * @param array $file Server file path and url to image. | |
| 444 | - * @param string $name Unique file name. | |
| 445 | - */ | |
| 446 | - return apply_filters( 'sharing_image_get_upload_file', $file, $name ); | |
| 534 | + switch ( $layer['boundary'] ) { | |
| 535 | + case 'horizontally': | |
| 536 | + $layer['x'] = $x; | |
| 537 | + break; | |
| 538 | + | |
| 539 | + case 'vertically': | |
| 540 | + $layer['y'] = $y; | |
| 541 | + break; | |
| 542 | + | |
| 543 | + default: | |
| 544 | + $layer['x'] = $x; | |
| 545 | + $layer['y'] = $y; | |
| 546 | + } | |
| 547 | + | |
| 548 | + return $layer; | |
| 447 | 549 | } |
| 448 | 550 | |
| 449 | 551 | /** |
| 450 | - * Prepare args and remove not-allowed keys. | |
| 552 | + * Update layer sizes for negative dimensions. | |
| 451 | 553 | * |
| 452 | - * @param array $args List of source arguments. | |
| 453 | - * @param array $allowed List of allowed keys. | |
| 554 | + * @param array $layer List of layer options. | |
| 555 | + * @param PosterEditor $poster Instance of PosterEditor class. | |
| 454 | 556 | * |
| 455 | - * @return array List of prepared args. | |
| 557 | + * @return array List of layer settings. | |
| 456 | 558 | */ |
| 457 | - private function prepare_args( $args, $allowed ) { | |
| 458 | - return wp_array_slice_assoc( $args, $allowed ); | |
| 559 | + private static function update_layer_dimensions( $layer, $poster ) { | |
| 560 | + if ( ! isset( $layer['width'] ) ) { | |
| 561 | + $layer['width'] = 0; | |
| 562 | + } | |
| 563 | + | |
| 564 | + if ( ! isset( $layer['height'] ) ) { | |
| 565 | + $layer['height'] = 0; | |
| 566 | + } | |
| 567 | + | |
| 568 | + $width = absint( $poster->width() ); | |
| 569 | + | |
| 570 | + if ( $layer['width'] <= 0 ) { | |
| 571 | + $layer['width'] = $width + $layer['width'] - $layer['x']; | |
| 572 | + } | |
| 573 | + | |
| 574 | + $height = absint( $poster->height() ); | |
| 575 | + | |
| 576 | + if ( $layer['height'] <= 0 ) { | |
| 577 | + $layer['height'] = $height + $layer['height'] - $layer['y']; | |
| 578 | + } | |
| 579 | + | |
| 580 | + return $layer; | |
| 459 | 581 | } |
| 460 | 582 | |
| 461 | 583 | /** |
| 462 | - * Check requred template values. | |
| 584 | + * Prepare args and remove not-allowed keys. | |
| 463 | 585 | * |
| 464 | - * @param array $template List of template settings. | |
| 586 | + * @param array $args List of source arguments. | |
| 587 | + * @param array $allowed List of allowed keys. | |
| 465 | 588 | * |
| 466 | - * @return bool Whether all required values isset. | |
| 589 | + * @return array List of prepared args. | |
| 467 | 590 | */ |
| 468 | - private function check_required( $template ) { | |
| 469 | - $required = array( 'width', 'height', 'fill' ); | |
| 470 | - | |
| 471 | - // Count intersected values. | |
| 472 | - $prepared = count( $this->prepare_args( $template, $required ) ); | |
| 473 | - | |
| 474 | - if ( count( $required ) === $prepared ) { | |
| 475 | - return true; | |
| 476 | - } | |
| 477 | - | |
| 478 | - return false; | |
| 591 | + private static function prepare_args( $args, $allowed ) { | |
| 592 | + return wp_array_slice_assoc( $args, $allowed ); | |
| 479 | 593 | } |
| 480 | 594 | } |
