PHP wp_crop_image函数代码示例

 function process()
 {
     if (isset($_POST['upload'])) {
         check_admin_referer('thesis-header-upload', '_wpnonce-thesis-header-upload');
         #wp
         $overrides = array('test_form' => false);
         $file = wp_handle_upload($_FILES['import'], $overrides);
         #wp
         if (isset($file['error'])) {
             wp_die($file['error'], __('Image Upload Error', 'thesis'));
         }
         #wp
         if ($file['type'] == 'image/jpeg' || $file['type'] == 'image/pjpeg' || $file['type'] == 'image/png' || $file['type'] == 'image/gif') {
             $this->url = $file['url'];
             $image = $file['file'];
             list($this->width, $this->height) = getimagesize($image);
             if ($this->width <= $this->optimal_width) {
                 $this->save($image);
             } elseif ($this->width > $this->optimal_width) {
                 if (apply_filters('thesis_crop_header', true)) {
                     #filter
                     $this->ratio = $this->width / $this->optimal_width;
                     $cropped = wp_crop_image($image, 0, 0, $this->width, $this->height, $this->optimal_width, $this->height / $this->ratio, false, str_replace(basename($image), 'cropped-' . basename($image), $image));
                     #wp
                     if (is_wp_error($cropped)) {
                         #wp
                         wp_die(__('Your image could not be processed. Please go back and try again.', 'thesis'), __('Image Processing Error', 'thesis'));
                     }
                     #wp
                     $this->url = str_replace(basename($this->url), basename($cropped), $this->url);
                     $this->width = round($this->width / $this->ratio);
                     $this->height = round($this->height / $this->ratio);
                     $this->save($cropped);
                     @unlink($image);
                 } else {
                     $this->save($image);
                 }
             }
         } else {
             $this->error = true;
         }
     } elseif ($_GET['remove']) {
         check_admin_referer('thesis-remove-header');
         #wp
         unset($this->header);
         delete_option('thesis_header');
         #wp
         global $thesis_design;
         if (!$thesis_design->display['header']['tagline'] && apply_filters('thesis_header_auto_tagline', true)) {
             #filter
             $thesis_design->display['header']['tagline'] = true;
             update_option('thesis_design_options', $thesis_design);
             #wp
         }
         thesis_generate_css();
         $this->removed = true;
     }
 }

 /**
  * Gets attachment uploaded by Media Manager, crops it, then saves it as a
  * new object. Returns JSON-encoded object details.
  */
 public function ajax_header_crop()
 {
     check_ajax_referer('image_editor-' . $_POST['id'], 'nonce');
     if (!current_user_can('edit_theme_options')) {
         wp_send_json_error();
     }
     if (!current_theme_supports('custom-header', 'uploads')) {
         wp_send_json_error();
     }
     $crop_details = $_POST['cropDetails'];
     $dimensions = $this->get_header_dimensions(array('height' => $crop_details['height'], 'width' => $crop_details['width']));
     $attachment_id = absint($_POST['id']);
     $cropped = wp_crop_image($attachment_id, (int) $crop_details['x1'], (int) $crop_details['y1'], (int) $crop_details['width'], (int) $crop_details['height'], (int) $dimensions['dst_width'], (int) $dimensions['dst_height']);
     if (!$cropped || is_wp_error($cropped)) {
         wp_send_json_error(array('message' => __('Image could not be processed. Please go back and try again.')));
     }
     /** This filter is documented in wp-admin/custom-header.php */
     $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
     // For replication
     $object = $this->create_attachment_object($cropped, $attachment_id);
     unset($object['ID']);
     $new_attachment_id = $this->insert_attachment($object, $cropped);
     $object['attachment_id'] = $new_attachment_id;
     $object['width'] = $dimensions['dst_width'];
     $object['height'] = $dimensions['dst_height'];
     wp_send_json_success($object);
 }

/**
 * AJAX handler for cropping an image.
 *
 * @since 4.3.0
 *
 * @global WP_Site_Icon $wp_site_icon
 */
function wp_ajax_crop_image()
{
    $attachment_id = absint($_POST['id']);
    check_ajax_referer('image_editor-' . $attachment_id, 'nonce');
    if (!current_user_can('customize')) {
        wp_send_json_error();
    }
    $context = str_replace('_', '-', $_POST['context']);
    $data = array_map('absint', $_POST['cropDetails']);
    $cropped = wp_crop_image($attachment_id, $data['x1'], $data['y1'], $data['width'], $data['height'], $data['dst_width'], $data['dst_height']);
    if (!$cropped || is_wp_error($cropped)) {
        wp_send_json_error(array('message' => __('Image could not be processed.')));
    }
    switch ($context) {
        case 'site-icon':
            require_once ABSPATH . '/wp-admin/includes/class-wp-site-icon.php';
            global $wp_site_icon;
            /** This filter is documented in wp-admin/custom-header.php */
            $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
            // For replication.
            $object = $wp_site_icon->create_attachment_object($cropped, $attachment_id);
            unset($object['ID']);
            // Update the attachment.
            add_filter('intermediate_image_sizes_advanced', array($wp_site_icon, 'additional_sizes'));
            $attachment_id = $wp_site_icon->insert_attachment($object, $cropped);
            remove_filter('intermediate_image_sizes_advanced', array($wp_site_icon, 'additional_sizes'));
            // Additional sizes in wp_prepare_attachment_for_js().
            add_filter('image_size_names_choose', array($wp_site_icon, 'additional_sizes'));
            break;
        default:
            /**
             * Filters the attachment id for a cropped image.
             *
             * @since 4.3.0
             *
             * @param int    $attachment_id The ID of the cropped image.
             * @param string $context       The feature requesting the cropped image.
             */
            $attachment_id = apply_filters('wp_ajax_cropped_attachment_id', 0, $context);
            if (!$attachment_id) {
                wp_send_json_error();
            }
    }
    wp_send_json_success(wp_prepare_attachment_for_js($attachment_id));
}

/**
 * AJAX handler for cropping an image.
 *
 * @since 4.3.0
 *
 * @global WP_Site_Icon $wp_site_icon
 */
function wp_ajax_crop_image()
{
    $attachment_id = absint($_POST['id']);
    check_ajax_referer('image_editor-' . $attachment_id, 'nonce');
    if (!current_user_can('customize')) {
        wp_send_json_error();
    }
    $context = str_replace('_', '-', $_POST['context']);
    $data = array_map('absint', $_POST['cropDetails']);
    $cropped = wp_crop_image($attachment_id, $data['x1'], $data['y1'], $data['width'], $data['height'], $data['dst_width'], $data['dst_height']);
    if (!$cropped || is_wp_error($cropped)) {
        wp_send_json_error(array('message' => __('Image could not be processed.')));
    }
    switch ($context) {
        case 'site-icon':
            require_once ABSPATH . '/wp-admin/includes/class-wp-site-icon.php';
            global $wp_site_icon;
            // Skip creating a new attachment if the attachment is a Site Icon.
            if (get_post_meta($attachment_id, '_wp_attachment_context', true) == $context) {
                // Delete the temporary cropped file, we don't need it.
                wp_delete_file($cropped);
                // Additional sizes in wp_prepare_attachment_for_js().
                add_filter('image_size_names_choose', array($wp_site_icon, 'additional_sizes'));
                break;
            }
            /** This filter is documented in wp-admin/custom-header.php */
            $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
            // For replication.
            $object = $wp_site_icon->create_attachment_object($cropped, $attachment_id);
            unset($object['ID']);
            // Update the attachment.
            add_filter('intermediate_image_sizes_advanced', array($wp_site_icon, 'additional_sizes'));
            $attachment_id = $wp_site_icon->insert_attachment($object, $cropped);
            remove_filter('intermediate_image_sizes_advanced', array($wp_site_icon, 'additional_sizes'));
            // Additional sizes in wp_prepare_attachment_for_js().
            add_filter('image_size_names_choose', array($wp_site_icon, 'additional_sizes'));
            break;
        default:
            /**
             * Fires before a cropped image is saved.
             *
             * Allows to add filters to modify the way a cropped image is saved.
             *
             * @since 4.3.0
             *
             * @param string $context       The Customizer control requesting the cropped image.
             * @param int    $attachment_id The attachment ID of the original image.
             * @param string $cropped       Path to the cropped image file.
             */
            do_action('wp_ajax_crop_image_pre_save', $context, $attachment_id, $cropped);
            /** This filter is documented in wp-admin/custom-header.php */
            $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
            // For replication.
            $parent_url = wp_get_attachment_url($attachment_id);
            $url = str_replace(basename($parent_url), basename($cropped), $parent_url);
            $size = @getimagesize($cropped);
            $image_type = $size ? $size['mime'] : 'image/jpeg';
            $object = array('post_title' => basename($cropped), 'post_content' => $url, 'post_mime_type' => $image_type, 'guid' => $url, 'context' => $context);
            $attachment_id = wp_insert_attachment($object, $cropped);
            $metadata = wp_generate_attachment_metadata($attachment_id, $cropped);
            /**
             * Filter the cropped image attachment metadata.
             *
             * @since 4.3.0
             *
             * @see wp_generate_attachment_metadata()
             *
             * @param array $metadata Attachment metadata.
             */
            $metadata = apply_filters('wp_ajax_cropped_attachment_metadata', $metadata);
            wp_update_attachment_metadata($attachment_id, $metadata);
            /**
             * Filter the attachment ID for a cropped image.
             *
             * @since 4.3.0
             *
             * @param int    $attachment_id The attachment ID of the cropped image.
             * @param string $context       The Customizer control requesting the cropped image.
             */
            $attachment_id = apply_filters('wp_ajax_cropped_attachment_id', $attachment_id, $context);
    }
    wp_send_json_success(wp_prepare_attachment_for_js($attachment_id));
}

 /**
  * Display third step of custom header image page.
  *
  * @since unknown
  */
 function step_3()
 {
     check_admin_referer('custom-header');
     if ($_POST['oitar'] > 1) {
         $_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
         $_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
         $_POST['width'] = $_POST['width'] * $_POST['oitar'];
         $_POST['height'] = $_POST['height'] * $_POST['oitar'];
     }
     $original = get_attached_file($_POST['attachment_id']);
     $cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
     $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']);
     // For replication
     $parent = get_post($_POST['attachment_id']);
     $parent_url = $parent->guid;
     $url = str_replace(basename($parent_url), basename($cropped), $parent_url);
     // Construct the object array
     $object = array('ID' => $_POST['attachment_id'], 'post_title' => basename($cropped), 'post_content' => $url, 'post_mime_type' => 'image/jpeg', 'guid' => $url);
     // Update the attachment
     wp_insert_attachment($object, $cropped);
     wp_update_attachment_metadata($_POST['attachment_id'], wp_generate_attachment_metadata($_POST['attachment_id'], $cropped));
     set_theme_mod('header_image', $url);
     // cleanup
     $medium = str_replace(basename($original), 'midsize-' . basename($original), $original);
     @unlink(apply_filters('wp_delete_file', $medium));
     @unlink(apply_filters('wp_delete_file', $original));
     return $this->finished();
 }

function bp_core_avatar_cropstore($source, $canvas, $v1_x1, $v1_y1, $v1_w, $v1_h, $v2_x1, $v2_y1, $v2_w, $v2_h, $from_signup = false, $filename = 'avatar', $item_id = null)
{
    $size = getimagesize($source);
    $dims = getimagesize($canvas);
    // Figure out multiplier for scaling
    $multi = $size[0] / $dims[0];
    if ($item_id) {
        $filename_item_id = $item_id . '-';
    }
    if ($filename != 'avatar') {
        $v1_filename = '-' . $filename_item_id . $filename . '-thumb';
        $v2_filename = '-' . $filename_item_id . $filename . '-full';
    } else {
        $v1_filename = '-avatar1';
        $v2_filename = '-avatar2';
    }
    $v1_filename = apply_filters('bp_avatar_v1_filename', $v1_filename);
    $v2_filename = apply_filters('bp_avatar_v2_filename', $v2_filename);
    // Perform v1 crop
    $v1_dest = apply_filters('bp_avatar_v1_dest', dirname($source) . '/' . preg_replace('!(\\.[^.]+)?$!', $v1_filename . '$1', basename($source), 1), $source);
    if ($from_signup) {
        $v1_out = wp_crop_image($source, $v1_x1, $v1_y1, $v1_w, $v1_h, CORE_AVATAR_V1_W, CORE_AVATAR_V1_H, false, $v1_dest);
    } else {
        $v1_out = wp_crop_image($source, $v1_x1 * $multi, $v1_y1 * $multi, $v1_w * $multi, $v1_h * $multi, CORE_AVATAR_V1_W, CORE_AVATAR_V1_H, false, $v1_dest);
    }
    // Perform v2 crop
    if (CORE_AVATAR_V2_W !== false && CORE_AVATAR_V2_H !== false) {
        $v2_dest = apply_filters('bp_avatar_v2_dest', dirname($source) . '/' . preg_replace('!(\\.[^.]+)?$!', $v2_filename . '$1', basename($source), 1), $source);
        if ($from_signup) {
            $v2_out = wp_crop_image($source, $v2_x1, $v2_y1, $v2_w, $v2_h, CORE_AVATAR_V2_W, CORE_AVATAR_V2_H, false, $v2_dest);
        } else {
            $v2_out = wp_crop_image($source, $v2_x1 * $multi, $v2_y1 * $multi, $v2_w * $multi, $v2_h * $multi, CORE_AVATAR_V2_W, CORE_AVATAR_V2_H, false, $v2_dest);
        }
    }
    // Clean up canvas and original images used during cropping
    foreach (array(str_replace('..', '', $source), str_replace('..', '', $canvas)) as $f) {
        @unlink($f);
    }
    $dir = $source;
    do {
        $dir = dirname($dir);
        @rmdir($dir);
        // will fail on non-empty directories
    } while (substr_count($dir, '/') >= 2 && stristr($dir, ABSPATH));
    return apply_filters('bp_core_avatar_cropstore', array('v1_out' => $v1_out, 'v2_out' => $v2_out));
}

	function step_3() {
		if ( $_POST['oitar'] > 1 ) {
			$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
			$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
			$_POST['width'] = $_POST['width'] * $_POST['oitar'];
			$_POST['height'] = $_POST['height'] * $_POST['oitar'];
		}

		$header = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
		$header = apply_filters('wp_create_file_in_uploads', $header); // For replication

		$parent = get_post($_POST['attachment_id']);

		$parent_url = $parent->guid;

		$url = str_replace(basename($parent_url), basename($header), $parent_url);

		set_theme_mod('header_image', $url);

		// cleanup
		$file = get_attached_file( $_POST['attachment_id'] );
		$medium = str_replace(basename($file), 'midsize-'.basename($file), $file);
		@unlink( apply_filters( 'wp_delete_file', $medium ) );
		wp_delete_attachment( $_POST['attachment_id'] );

		return $this->finished();
	}

 /**
  * Saves a new Site Icon.
  *
  * @since 4.3.0
  */
 public function set_site_icon()
 {
     check_admin_referer('set-site-icon');
     $attachment_id = absint($_REQUEST['attachment_id']);
     $create_new_attachement = !empty($_REQUEST['create-new-attachment']);
     /*
      * If the current attachment as been set as site icon don't delete it.
      */
     if (get_option('site_icon') == $attachment_id) {
         // Get the file path.
         $image_url = get_attached_file($attachment_id);
         // Update meta data and possibly regenerate intermediate sizes.
         add_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
         $this->update_attachment_metadata($attachment_id, $image_url);
         remove_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
     } else {
         // Delete any existing site icon images.
         $this->delete_site_icon();
         if (empty($_REQUEST['skip-cropping'])) {
             $cropped = wp_crop_image($attachment_id, $_REQUEST['crop-x'], $_REQUEST['crop-y'], $_REQUEST['crop-w'], $_REQUEST['crop-h'], $this->min_size, $this->min_size);
         } elseif ($create_new_attachement) {
             $cropped = _copy_image_file($attachment_id);
         } else {
             $cropped = get_attached_file($attachment_id);
         }
         if (!$cropped || is_wp_error($cropped)) {
             wp_die(__('Image could not be processed. Please go back and try again.'), __('Image Processing Error'));
         }
         $object = $this->create_attachment_object($cropped, $attachment_id);
         if ($create_new_attachement) {
             unset($object['ID']);
         }
         // Update the attachment.
         add_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
         $attachment_id = $this->insert_attachment($object, $cropped);
         remove_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
         // Save the site_icon data into option
         update_option('site_icon', $attachment_id);
     }
     add_settings_error('site-icon', 'icon-updated', __('Site Icon updated.'), 'updated');
 }

function upme_initialize_upload_box()
{
    global $current_user, $upme_save;
    $id = $_GET['upme_id'];
    $meta = isset($_GET['upme_meta']) ? $_GET['upme_meta'] : '';
    $disabled = isset($_GET['upme_disabled']) ? $_GET['upme_disabled'] : '';
    $settings = get_option('upme_options');
    $display = '<html>
                    <head>
                        ' . upme_crop_iframe_head() . '
                        <style type="text/css">
                            html{
                                overflow: hidden;
                            }
                            
                        </style>
                    </head>
                    <body>
                        <form id="upme-crop-frm" action="" method="post" enctype="multipart/form-data">';
    $display .= '           <div class="upme-crop-wrap">';
    $display .= '           <div class="upme-wrap">';
    $display .= '               <div class="upme-field upme-separator upme-edit upme-clearfix" style="display: block;">' . __('Update Profile Picture', 'upme') . '</div>';
    $profile_pic_url = get_the_author_meta($meta, $id);
    if (is_array($upme_save->errors) && count($upme_save->errors) != 0) {
        if (($id == $current_user->ID || current_user_can('edit_users')) && is_numeric($id)) {
            $display .= upme_display_upload_box($id, $meta, $disabled, $profile_pic_url, 'block');
            $display .= upme_display_crop_box($id, $meta, $profile_pic_url, 'none');
        }
    } elseif (isset($_POST['upme-upload-submit-' . $id]) || isset($_POST['upme-crop-request-' . $id])) {
        // Display crop area on file upload or crop link click
        if (($id == $current_user->ID || current_user_can('edit_users')) && is_numeric($id)) {
            $display .= upme_display_crop_box($id, $meta, $profile_pic_url, 'block');
        }
    } elseif (isset($_POST['upme-crop-submit-' . $id])) {
        // Crop the image on area selection and submit
        $data_x1 = isset($_POST['upme-crop-x1']) ? $_POST['upme-crop-x1'] : 0;
        $data_y1 = isset($_POST['upme-crop-y1']) ? $_POST['upme-crop-y1'] : 0;
        $data_width = isset($_POST['upme-crop-width']) ? $_POST['upme-crop-width'] : 50;
        $data_height = isset($_POST['upme-crop-height']) ? $_POST['upme-crop-height'] : 50;
        $src = get_the_author_meta($meta, $id);
        $upme_upload_path = '';
        $upme_upload_url = '';
        if ($upload_dir = upme_get_uploads_folder_details()) {
            $upme_upload_path = $upload_dir['basedir'] . "/upme/";
            $upme_upload_url = $upload_dir['baseurl'] . "/upme/";
            $src = str_replace($upme_upload_url, $upme_upload_path, $src);
        }
        if (is_readable($src)) {
            $result = wp_crop_image($src, $data_x1, $data_y1, $data_width, $data_height, $data_width, $data_height);
            if (!is_wp_error($result)) {
                $cropped_path = str_replace($upme_upload_path, $upme_upload_url, $result);
                update_user_meta($id, $meta, $cropped_path);
                $display .= upme_display_upload_box($id, $meta, $disabled, $profile_pic_url, 'block');
            }
        }
        update_crop_image_display($id, $meta, $cropped_path);
    } elseif (isset($_POST['upme-crop-save-' . $id])) {
        $src = get_the_author_meta($meta, $id);
        update_crop_image_display($id, $meta, $src);
    } else {
        if (($id == $current_user->ID || current_user_can('edit_users')) && is_numeric($id)) {
            $display .= upme_display_upload_box($id, $meta, $disabled, $profile_pic_url, 'block');
            $display .= upme_display_crop_box($id, $meta, $profile_pic_url, 'none');
        }
    }
    $display .= '           </div>';
    $display .= '           </div>';
    $display .= '       </form>
                    </body>
                </html>';
    echo $display;
    exit;
}

 /**
  * Display third step of custom header image page.
  *
  * @since 2.1.0
  */
 function step_3()
 {
     check_admin_referer('custom-header-crop-image');
     if (!current_theme_supports('custom-header', 'uploads')) {
         wp_die(__('Cheatin’ uh?'));
     }
     if (!empty($_POST['skip-cropping']) && !(current_theme_supports('custom-header', 'flex-height') || current_theme_supports('custom-header', 'flex-width'))) {
         wp_die(__('Cheatin’ uh?'));
     }
     if ($_POST['oitar'] > 1) {
         $_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
         $_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
         $_POST['width'] = $_POST['width'] * $_POST['oitar'];
         $_POST['height'] = $_POST['height'] * $_POST['oitar'];
     }
     $attachment_id = absint($_POST['attachment_id']);
     $original = get_attached_file($attachment_id);
     $max_width = 0;
     // For flex, limit size of image displayed to 1500px unless theme says otherwise
     if (current_theme_supports('custom-header', 'flex-width')) {
         $max_width = 1500;
     }
     if (current_theme_supports('custom-header', 'max-width')) {
         $max_width = max($max_width, get_theme_support('custom-header', 'max-width'));
     }
     $max_width = max($max_width, get_theme_support('custom-header', 'width'));
     if (current_theme_supports('custom-header', 'flex-height') && !current_theme_supports('custom-header', 'flex-width') || $_POST['width'] > $max_width) {
         $dst_height = absint($_POST['height'] * ($max_width / $_POST['width']));
     } elseif (current_theme_supports('custom-header', 'flex-height') && current_theme_supports('custom-header', 'flex-width')) {
         $dst_height = absint($_POST['height']);
     } else {
         $dst_height = get_theme_support('custom-header', 'height');
     }
     if (current_theme_supports('custom-header', 'flex-width') && !current_theme_supports('custom-header', 'flex-height') || $_POST['width'] > $max_width) {
         $dst_width = absint($_POST['width'] * ($max_width / $_POST['width']));
     } elseif (current_theme_supports('custom-header', 'flex-width') && current_theme_supports('custom-header', 'flex-height')) {
         $dst_width = absint($_POST['width']);
     } else {
         $dst_width = get_theme_support('custom-header', 'width');
     }
     if (empty($_POST['skip-cropping'])) {
         $cropped = wp_crop_image($attachment_id, (int) $_POST['x1'], (int) $_POST['y1'], (int) $_POST['width'], (int) $_POST['height'], $dst_width, $dst_height);
     } elseif (!empty($_POST['create-new-attachment'])) {
         $cropped = _copy_image_file($attachment_id);
     } else {
         $cropped = get_attached_file($attachment_id);
     }
     if (!$cropped || is_wp_error($cropped)) {
         wp_die(__('Image could not be processed. Please go back and try again.'), __('Image Processing Error'));
     }
     /** This filter is documented in wp-admin/custom-header.php */
     $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $attachment_id);
     // For replication
     $parent = get_post($attachment_id);
     $parent_url = $parent->guid;
     $url = str_replace(basename($parent_url), basename($cropped), $parent_url);
     $size = @getimagesize($cropped);
     $image_type = $size ? $size['mime'] : 'image/jpeg';
     // Construct the object array
     $object = array('ID' => $attachment_id, 'post_title' => basename($cropped), 'post_content' => $url, 'post_mime_type' => $image_type, 'guid' => $url, 'context' => 'custom-header');
     if (!empty($_POST['create-new-attachment'])) {
         unset($object['ID']);
     }
     // Update the attachment
     $attachment_id = wp_insert_attachment($object, $cropped);
     wp_update_attachment_metadata($attachment_id, wp_generate_attachment_metadata($attachment_id, $cropped));
     $width = $dst_width;
     $height = $dst_height;
     $this->set_header_image(compact('url', 'attachment_id', 'width', 'height'));
     // cleanup
     $medium = str_replace(basename($original), 'midsize-' . basename($original), $original);
     if (file_exists($medium)) {
         /**
          * Filter the path of the file to delete.
          *
          * @since 2.1.0
          *
          * @param string $medium Path to the file to delete.
          */
         @unlink(apply_filters('wp_delete_file', $medium));
     }
     if (empty($_POST['create-new-attachment']) && empty($_POST['skip-cropping'])) {
         /** This filter is documented in wp-admin/custom-header.php */
         @unlink(apply_filters('wp_delete_file', $original));
     }
     return $this->finished();
 }

 /**
  * Saves a new Site Icon.
  *
  * @since 4.3.0
  */
 public function set_site_icon()
 {
     check_admin_referer('set-site-icon');
     // Delete any existing site icon images.
     $this->delete_site_icon();
     $attachment_id = absint($_POST['attachment_id']);
     // TODO
     if (empty($_POST['skip-cropping'])) {
         $crop_ratio = (double) $_POST['crop_ratio'];
         $crop_data = $this->convert_coordinates_from_resized_to_full($_POST['crop-x'], $_POST['crop-y'], $_POST['crop-w'], $_POST['crop-h'], $crop_ratio);
         $cropped = wp_crop_image($attachment_id, $crop_data['crop_x'], $crop_data['crop_y'], $crop_data['crop_width'], $crop_data['crop_height'], $this->min_size, $this->min_size);
     } elseif (!empty($_POST['create-new-attachment'])) {
         $cropped = _copy_image_file($attachment_id);
     } else {
         $cropped = get_attached_file($attachment_id);
     }
     if (!$cropped || is_wp_error($cropped)) {
         wp_die(__('Image could not be processed. Please go back and try again.'), __('Image Processing Error'));
     }
     $object = $this->create_attachment_object($cropped, $attachment_id);
     if (!empty($_POST['create-new-attachment'])) {
         unset($object['ID']);
     }
     // Update the attachment
     add_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
     $attachment_id = $this->insert_attachment($object, $cropped);
     remove_filter('intermediate_image_sizes_advanced', array($this, 'additional_sizes'));
     // Save the site_icon data into option
     update_option('site_icon', $attachment_id);
     add_settings_error('site-icon', 'icon-updated', __('Site Icon updated.'), 'updated');
 }

//.........这里部分代码省略.........
 *           file.
 *     @type int $crop_w Crop width. Default: the global 'full' avatar width,
 *           as retrieved by bp_core_avatar_full_width().
 *     @type int $crop_h Crop height. Default: the global 'full' avatar height,
 *           as retrieved by bp_core_avatar_full_height().
 *     @type int $crop_x The horizontal starting point of the crop. Default: 0.
 *     @type int $crop_y The vertical starting point of the crop. Default: 0.
 * }
 * @return bool True on success, false on failure.
 */
function bcp_core_avatar_handle_crop($args = '')
{
    $existing_avatar = '';
    $coverphoto_full_width = BCP_MAX_WIDTH;
    $coverphoto_full_height = BCP_MAX_HEIGHT;
    $coverphoto_thumb_full_width = BCP_THUMB_MAX_WIDTH;
    $coverphoto_thumb_full_height = BCP_THUMB_MAX_HEIGHT;
    $r = wp_parse_args($args, array('object' => 'user', 'avatar_dir' => 'avatars', 'item_id' => false, 'original_file' => false, 'crop_w' => bp_core_avatar_full_width(), 'crop_h' => bp_core_avatar_full_height(), 'crop_x' => 0, 'crop_y' => 0));
    /***
     * You may want to hook into this filter if you want to override this function.
     * Make sure you return false.
     */
    if (!apply_filters('bp_core_pre_avatar_handle_crop', true, $r)) {
        return true;
    }
    extract($r, EXTR_SKIP);
    if (empty($original_file)) {
        return false;
    }
    $original_file = bp_core_avatar_upload_path() . $original_file;
    if (!file_exists($original_file)) {
        return false;
    }
    if (empty($item_id)) {
        $avatar_folder_dir = apply_filters('bp_core_avatar_folder_dir', dirname($original_file), $item_id, $object, $avatar_dir);
    } else {
        $avatar_folder_dir = apply_filters('bp_core_avatar_folder_dir', bp_core_avatar_upload_path() . '/' . $avatar_dir . '/' . $item_id, $item_id, $object, $avatar_dir);
    }
    if (!file_exists($avatar_folder_dir)) {
        return false;
    }
    require_once ABSPATH . '/wp-admin/includes/image.php';
    require_once ABSPATH . '/wp-admin/includes/file.php';
    // Delete the existing avatar files for the object
    $args = array('object_id' => $item_id, 'type' => 'user');
    //change object type to groups for groups
    if ('group-avatars' == $avatar_dir) {
        $args['type'] = 'groups';
    }
    $existing_covers = bcp_fetch_cover_photo($args);
    if (!empty($existing_covers)) {
        // Check that the new avatar doesn't have the same name as the
        // old one before deleting
        $upload_dir = wp_upload_dir();
        $existing_avatar_path = str_replace($upload_dir['baseurl'], '', $existing_avatar);
        $new_avatar_path = str_replace($upload_dir['basedir'], '', $original_file);
        if ($existing_avatar_path !== $new_avatar_path) {
            if ($handle = opendir($avatar_folder_dir)) {
                while (false !== ($entry = readdir($handle))) {
                    if ($entry != "." && $entry != "..") {
                        $file_info = pathinfo($entry);
                        $file_name = $file_info['filename'];
                        $file_ext = $file_info['extension'];
                        $cover_photos = array('coverphoto-full', 'coverphoto-thumb');
                        if (in_array($file_name, $cover_photos)) {
                            // cover photo exists
                            $file = $avatar_folder_dir . '/' . $file_name . '.' . $file_ext;
                            @unlink($file);
                        }
                    }
                }
                // close the directory
                closedir($handle);
            }
        }
    }
    // Make sure we at least have a width and height for cropping
    if (empty($crop_w)) {
        $crop_w = bp_core_avatar_full_width();
    }
    if (empty($crop_h)) {
        $crop_h = bp_core_avatar_full_height();
    }
    // Get the file extension
    $data = @getimagesize($original_file);
    $ext = $data['mime'] == 'image/png' ? 'png' : 'jpg';
    // Set the full and thumb filenames
    $full_filename = 'coverphoto-full.' . $ext;
    $thumb_filename = 'coverphoto-thumb.' . $ext;
    // Crop the image
    $full_cropped = wp_crop_image($original_file, (int) $crop_x, (int) $crop_y, (int) $crop_w, (int) $crop_h, $coverphoto_thumb_width, $coverphoto_thumb_height, false, $avatar_folder_dir . '/' . $full_filename);
    $thumb_cropped = wp_crop_image($original_file, (int) $crop_x, (int) $crop_y, (int) $crop_w, (int) $crop_h, $coverphoto_thumb_full_width, $coverphoto_thumb_full_height, false, $avatar_folder_dir . '/' . $thumb_filename);
    // Check for errors
    if (empty($full_cropped) || empty($thumb_cropped) || is_wp_error($full_cropped) || is_wp_error($thumb_cropped)) {
        return false;
    }
    // Remove the original
    @unlink($original_file);
    return true;
}

 /**
  * Save options on the VFB Pro > Email Design page
  *
  * @access public
  * @since 2.4.3
  * @return void
  */
 public function save_email_design()
 {
     global $wpdb;
     if (!isset($_REQUEST['action']) || !isset($_GET['page'])) {
         return;
     }
     if ('vfb-email-design' !== $_GET['page']) {
         return;
     }
     if ('email_design' !== $_REQUEST['action']) {
         return;
     }
     $form_id = absint($_REQUEST['form_id']);
     check_admin_referer('update-design-' . $form_id);
     $email = unserialize($wpdb->get_var($wpdb->prepare("SELECT form_email_design FROM {$this->form_table_name} WHERE form_id = %d", $form_id)));
     $header_image = !empty($email['header_image']) ? $email['header_image'] : '';
     if (isset($_FILES['header_image'])) {
         $value = $_FILES['header_image'];
         if ($value['size'] > 0) {
             // Handle the upload using WP's wp_handle_upload function. Takes the posted file and an options array
             $uploaded_file = wp_handle_upload($value, array('test_form' => false));
             @(list($width, $height, $type, $attr) = getimagesize($uploaded_file['file']));
             if ($width == 600 && $height == 137) {
                 $header_image = isset($uploaded_file['file']) ? $uploaded_file['url'] : '';
             } elseif ($width > 600) {
                 $oitar = $width / 600;
                 $image = wp_crop_image($uploaded_file['file'], 0, 0, $width, $height, 600, $height / $oitar, false, str_replace(basename($uploaded_file['file']), 'vfb-header-img-' . basename($uploaded_file['file']), $uploaded_file['file']));
                 if (is_wp_error($image)) {
                     wp_die(__('Image could not be processed.  Please go back and try again.'), __('Image Processing Error'));
                 }
                 $header_image = str_replace(basename($uploaded_file['url']), basename($image), $uploaded_file['url']);
             } else {
                 $dst_width = 600;
                 $dst_height = absint($height * (600 / $width));
                 $cropped = wp_crop_image($uploaded_file['file'], 0, 0, $width, $height, $dst_width, $dst_height, false, str_replace(basename($uploaded_file['file']), 'vfb-header-img-' . basename($uploaded_file['file']), $uploaded_file['file']));
                 if (is_wp_error($cropped)) {
                     wp_die(__('Image could not be processed.  Please go back and try again.'), __('Image Processing Error'));
                 }
                 $header_image = str_replace(basename($uploaded_file['url']), basename($cropped), $uploaded_file['url']);
             }
         }
     }
     $email_design = array('format' => $_REQUEST['format'], 'link_love' => $_REQUEST['link_love'], 'footer_text' => $_REQUEST['footer_text'], 'background_color' => $_REQUEST['background_color'], 'header_text' => $_REQUEST['header_text'], 'header_image' => $header_image, 'header_color' => $_REQUEST['header_color'], 'header_text_color' => $_REQUEST['header_text_color'], 'fieldset_color' => $_REQUEST['fieldset_color'], 'section_color' => $_REQUEST['section_color'], 'section_text_color' => $_REQUEST['section_text_color'], 'text_color' => $_REQUEST['text_color'], 'link_color' => $_REQUEST['link_color'], 'row_color' => $_REQUEST['row_color'], 'row_alt_color' => $_REQUEST['row_alt_color'], 'border_color' => $_REQUEST['border_color'], 'footer_color' => $_REQUEST['footer_color'], 'footer_text_color' => $_REQUEST['footer_text_color'], 'font_family' => $_REQUEST['font_family'], 'header_font_size' => $_REQUEST['header_font_size'], 'fieldset_font_size' => $_REQUEST['fieldset_font_size'], 'section_font_size' => $_REQUEST['section_font_size'], 'text_font_size' => $_REQUEST['text_font_size'], 'footer_font_size' => $_REQUEST['footer_font_size']);
     // Update form details
     $wpdb->update($this->form_table_name, array('form_email_design' => serialize($email_design)), array('form_id' => $form_id), array('%s'), array('%d'));
 }

 public function handle_crop()
 {
     require_once ABSPATH . '/wp-admin/includes/image.php';
     $user_id = bp_displayed_user_id();
     $cover_photo = get_transient('profile_cover_photo_' . $user_id);
     // Get the file extension
     $data = @getimagesize($cover_photo);
     $ext = $data['mime'] == 'image/png' ? 'png' : 'jpg';
     $base_filename = basename($cover_photo, '.' . $ext);
     // create a new filename but, if it's already been cropped, strip out the -cropped
     $new_filename = str_replace('-cropped', '', $base_filename) . '-cropped.' . $ext;
     $new_filepath = bp_core_avatar_upload_path() . '/cover-photo/' . $user_id . '/' . $new_filename;
     $new_fileurl = bp_core_avatar_url() . '/cover-photo/' . $user_id . '/' . $new_filename;
     $crop_fileurl = str_replace(trailingslashit(get_home_url()), '', bp_core_avatar_url()) . '/cover-photo/' . $user_id . '/' . $new_filename;
     // delete the old cover photo if it exists
     if (file_exists($new_filepath)) {
         @unlink($new_filepath);
     }
     $cropped_header = wp_crop_image($cover_photo, $_POST['x'], $_POST['y'], $_POST['w'], $_POST['h'], $this->width, $this->height, false, $crop_fileurl);
     if (!is_wp_error($cropped_header)) {
         $old_file_path = get_user_meta(bp_loggedin_user_id(), 'profile_cover_photo_path', true);
         if (file_exists($old_file_path)) {
             @unlink($old_file_path);
         }
         // update with the new image and path
         bp_update_user_meta(bp_loggedin_user_id(), 'profile_cover_photo', $new_fileurl);
         bp_update_user_meta(bp_loggedin_user_id(), 'profile_cover_photo_path', $new_filepath);
         delete_transient('is_cover_photo_uploaded_' . bp_displayed_user_id());
         delete_transient('profile_cover_photo_' . bp_displayed_user_id());
     }
 }

function step_3()
{
    //check_admin_referer('custom-header-crop-image');
    if ($_POST['oitar'] > 1) {
        $_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
        $_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
        $_POST['width'] = $_POST['width'] * $_POST['oitar'];
        $_POST['height'] = $_POST['height'] * $_POST['oitar'];
    }
    $custom = get_post_custom($_POST['banner']);
    $banner_height = $custom['height'][0];
    $banner_width = $custom['width'][0];
    $original_id = get_attached_file($_POST['attachment_id']);
    $cropped = wp_crop_image($original_id, $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], $banner_width, $banner_height);
    if (is_wp_error($cropped)) {
        wp_die(__('Image could not be processed.  Please go back and try again.'), __('Image Processing Error'));
    }
    $cropped = apply_filters('wp_create_file_in_uploads', $cropped, $original_id);
    // For replication
    $parent = get_post($original_id);
    $parent_url = $parent->guid;
    $url = str_replace(basename($parent_url), basename($cropped), $parent_url);
    // Construct the object array
    $object = array('post_title' => basename($cropped), 'post_content' => $url, 'post_mime_type' => 'image/jpeg', 'guid' => $url);
    // Update the attachment
    $cropped_image = wp_insert_attachment($object, $cropped);
    require_once ABSPATH . 'wp-admin/includes/image.php';
    $attach_data = wp_generate_attachment_metadata($cropped_image, $cropped);
    wp_update_attachment_metadata($cropped_image, $attach_data);
    $cropped_image_url = wp_get_attachment_url($cropped_image);
    $cropped_image_id = $cropped_image;
    $sliderID = $_POST['banner'];
    $url = wp_get_attachment_url($cropped_image_id);
    $custom = get_post_custom($sliderID);
    $banner_height = $custom['height'][0];
    $banner_width = $custom['width'][0];
    $alcyone_slides = $custom['slides'][0];
    $i = 0;
    $loop = true;
    while ($loop) {
        //for ($i=0;$i<10;$i++){
        $i++;
        if ($custom['alcyone_slide_' . $i][0] == "") {
            update_post_meta($sliderID, 'alcyone_slide_' . $i, $cropped_image_id);
            update_post_meta($sliderID, 'slides', $alcyone_slides + 1);
            $slide_id = 'alcyone_slide_' . $i;
            $loop = false;
        }
    }
    ?>
		<li>
			<img src="<?php 
    echo $url;
    ?>
" width="<?php 
    echo $prew_width;
    ?>
" /></br>
			<input type="hidden" id="image_id" value="<?php 
    echo $cropped_image_id;
    ?>
"/>
			<input type="hidden" id="slide_id" value="<?php 
    echo $slide_id;
    ?>
"/>
			<input type="submit" value="" class="settings"/>						              
			<input type="submit" value="" class="delete"/>                
		</li>
		<?php 
    // cleanup
    $medium = str_replace(basename($original), 'midsize-' . basename($original), $original);
    @unlink(apply_filters('wp_delete_file', $medium));
    @unlink(apply_filters('wp_delete_file', $original));
    //return finished();
    die;
}