433 lines
12 KiB
PHP
433 lines
12 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Duotone block support flag.
|
||
|
|
*
|
||
|
|
* Parts of this source were derived and modified from TinyColor,
|
||
|
|
* released under the MIT license.
|
||
|
|
*
|
||
|
|
* https://github.com/bgrins/TinyColor
|
||
|
|
*
|
||
|
|
* Copyright (c), Brian Grinstead, http://briangrinstead.com
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
||
|
|
* a copy of this software and associated documentation files (the
|
||
|
|
* "Software"), to deal in the Software without restriction, including
|
||
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
||
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
||
|
|
* the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be
|
||
|
|
* included in all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
*
|
||
|
|
* @package WordPress
|
||
|
|
* @since 5.8.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Takes input from [0, n] and returns it as [0, 1].
|
||
|
|
*
|
||
|
|
* Direct port of TinyColor's function, lightly simplified to maintain
|
||
|
|
* consistency with TinyColor.
|
||
|
|
*
|
||
|
|
* @see https://github.com/bgrins/TinyColor
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param mixed $n Number of unknown type.
|
||
|
|
* @param int $max Upper value of the range to bound to.
|
||
|
|
*
|
||
|
|
* @return float Value in the range [0, 1].
|
||
|
|
*/
|
||
|
|
function wp_tinycolor_bound01( $n, $max ) {
|
||
|
|
if ( 'string' === gettype( $n ) && false !== strpos( $n, '.' ) && 1 === (float) $n ) {
|
||
|
|
$n = '100%';
|
||
|
|
}
|
||
|
|
|
||
|
|
$n = min( $max, max( 0, (float) $n ) );
|
||
|
|
|
||
|
|
// Automatically convert percentage into number.
|
||
|
|
if ( 'string' === gettype( $n ) && false !== strpos( $n, '%' ) ) {
|
||
|
|
$n = (int) ( $n * $max ) / 100;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Handle floating point rounding errors.
|
||
|
|
if ( ( abs( $n - $max ) < 0.000001 ) ) {
|
||
|
|
return 1.0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Convert into [0, 1] range if it isn't already.
|
||
|
|
return ( $n % $max ) / (float) $max;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Round and convert values of an RGB object.
|
||
|
|
*
|
||
|
|
* Direct port of TinyColor's function, lightly simplified to maintain
|
||
|
|
* consistency with TinyColor.
|
||
|
|
*
|
||
|
|
* @see https://github.com/bgrins/TinyColor
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param array $rgb_color RGB object.
|
||
|
|
*
|
||
|
|
* @return array Rounded and converted RGB object.
|
||
|
|
*/
|
||
|
|
function wp_tinycolor_rgb_to_rgb( $rgb_color ) {
|
||
|
|
return array(
|
||
|
|
'r' => wp_tinycolor_bound01( $rgb_color['r'], 255 ) * 255,
|
||
|
|
'g' => wp_tinycolor_bound01( $rgb_color['g'], 255 ) * 255,
|
||
|
|
'b' => wp_tinycolor_bound01( $rgb_color['b'], 255 ) * 255,
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper function for hsl to rgb conversion.
|
||
|
|
*
|
||
|
|
* Direct port of TinyColor's function, lightly simplified to maintain
|
||
|
|
* consistency with TinyColor.
|
||
|
|
*
|
||
|
|
* @see https://github.com/bgrins/TinyColor
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param float $p first component.
|
||
|
|
* @param float $q second component.
|
||
|
|
* @param float $t third component.
|
||
|
|
*
|
||
|
|
* @return float R, G, or B component.
|
||
|
|
*/
|
||
|
|
function wp_tinycolor_hue_to_rgb( $p, $q, $t ) {
|
||
|
|
if ( $t < 0 ) {
|
||
|
|
$t += 1;
|
||
|
|
}
|
||
|
|
if ( $t > 1 ) {
|
||
|
|
$t -= 1;
|
||
|
|
}
|
||
|
|
if ( $t < 1 / 6 ) {
|
||
|
|
return $p + ( $q - $p ) * 6 * $t;
|
||
|
|
}
|
||
|
|
if ( $t < 1 / 2 ) {
|
||
|
|
return $q;
|
||
|
|
}
|
||
|
|
if ( $t < 2 / 3 ) {
|
||
|
|
return $p + ( $q - $p ) * ( 2 / 3 - $t ) * 6;
|
||
|
|
}
|
||
|
|
return $p;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert an HSL object to an RGB object with converted and rounded values.
|
||
|
|
*
|
||
|
|
* Direct port of TinyColor's function, lightly simplified to maintain
|
||
|
|
* consistency with TinyColor.
|
||
|
|
*
|
||
|
|
* @see https://github.com/bgrins/TinyColor
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param array $hsl_color HSL object.
|
||
|
|
*
|
||
|
|
* @return array Rounded and converted RGB object.
|
||
|
|
*/
|
||
|
|
function wp_tinycolor_hsl_to_rgb( $hsl_color ) {
|
||
|
|
$h = wp_tinycolor_bound01( $hsl_color['h'], 360 );
|
||
|
|
$s = wp_tinycolor_bound01( $hsl_color['s'], 100 );
|
||
|
|
$l = wp_tinycolor_bound01( $hsl_color['l'], 100 );
|
||
|
|
|
||
|
|
if ( 0 === $s ) {
|
||
|
|
// Achromatic.
|
||
|
|
$r = $l;
|
||
|
|
$g = $l;
|
||
|
|
$b = $l;
|
||
|
|
} else {
|
||
|
|
$q = $l < 0.5 ? $l * ( 1 + $s ) : $l + $s - $l * $s;
|
||
|
|
$p = 2 * $l - $q;
|
||
|
|
$r = wp_tinycolor_hue_to_rgb( $p, $q, $h + 1 / 3 );
|
||
|
|
$g = wp_tinycolor_hue_to_rgb( $p, $q, $h );
|
||
|
|
$b = wp_tinycolor_hue_to_rgb( $p, $q, $h - 1 / 3 );
|
||
|
|
}
|
||
|
|
|
||
|
|
return array(
|
||
|
|
'r' => $r * 255,
|
||
|
|
'g' => $g * 255,
|
||
|
|
'b' => $b * 255,
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses hex, hsl, and rgb CSS strings using the same regex as TinyColor v1.4.2
|
||
|
|
* used in the JavaScript. Only colors output from react-color are implemented
|
||
|
|
* and the alpha value is ignored as it is not used in duotone.
|
||
|
|
*
|
||
|
|
* Direct port of TinyColor's function, lightly simplified to maintain
|
||
|
|
* consistency with TinyColor.
|
||
|
|
*
|
||
|
|
* @see https://github.com/bgrins/TinyColor
|
||
|
|
* @see https://github.com/casesandberg/react-color/
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param string $color_str CSS color string.
|
||
|
|
*
|
||
|
|
* @return array RGB object.
|
||
|
|
*/
|
||
|
|
function wp_tinycolor_string_to_rgb( $color_str ) {
|
||
|
|
$color_str = strtolower( trim( $color_str ) );
|
||
|
|
|
||
|
|
$css_integer = '[-\\+]?\\d+%?';
|
||
|
|
$css_number = '[-\\+]?\\d*\\.\\d+%?';
|
||
|
|
|
||
|
|
$css_unit = '(?:' . $css_number . ')|(?:' . $css_integer . ')';
|
||
|
|
|
||
|
|
$permissive_match3 = '[\\s|\\(]+(' . $css_unit . ')[,|\\s]+(' . $css_unit . ')[,|\\s]+(' . $css_unit . ')\\s*\\)?';
|
||
|
|
$permissive_match4 = '[\\s|\\(]+(' . $css_unit . ')[,|\\s]+(' . $css_unit . ')[,|\\s]+(' . $css_unit . ')[,|\\s]+(' . $css_unit . ')\\s*\\)?';
|
||
|
|
|
||
|
|
$rgb_regexp = '/^rgb' . $permissive_match3 . '$/';
|
||
|
|
if ( preg_match( $rgb_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => $match[1],
|
||
|
|
'g' => $match[2],
|
||
|
|
'b' => $match[3],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$rgba_regexp = '/^rgba' . $permissive_match4 . '$/';
|
||
|
|
if ( preg_match( $rgba_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => $match[1],
|
||
|
|
'g' => $match[2],
|
||
|
|
'b' => $match[3],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hsl_regexp = '/^hsl' . $permissive_match3 . '$/';
|
||
|
|
if ( preg_match( $hsl_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_hsl_to_rgb(
|
||
|
|
array(
|
||
|
|
'h' => $match[1],
|
||
|
|
's' => $match[2],
|
||
|
|
'l' => $match[3],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hsla_regexp = '/^hsla' . $permissive_match4 . '$/';
|
||
|
|
if ( preg_match( $hsla_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_hsl_to_rgb(
|
||
|
|
array(
|
||
|
|
'h' => $match[1],
|
||
|
|
's' => $match[2],
|
||
|
|
'l' => $match[3],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hex8_regexp = '/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/';
|
||
|
|
if ( preg_match( $hex8_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => base_convert( $match[1], 16, 10 ),
|
||
|
|
'g' => base_convert( $match[2], 16, 10 ),
|
||
|
|
'b' => base_convert( $match[3], 16, 10 ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hex6_regexp = '/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/';
|
||
|
|
if ( preg_match( $hex6_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => base_convert( $match[1], 16, 10 ),
|
||
|
|
'g' => base_convert( $match[2], 16, 10 ),
|
||
|
|
'b' => base_convert( $match[3], 16, 10 ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hex4_regexp = '/^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/';
|
||
|
|
if ( preg_match( $hex4_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => base_convert( $match[1] . $match[1], 16, 10 ),
|
||
|
|
'g' => base_convert( $match[2] . $match[2], 16, 10 ),
|
||
|
|
'b' => base_convert( $match[3] . $match[3], 16, 10 ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$hex3_regexp = '/^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/';
|
||
|
|
if ( preg_match( $hex3_regexp, $color_str, $match ) ) {
|
||
|
|
return wp_tinycolor_rgb_to_rgb(
|
||
|
|
array(
|
||
|
|
'r' => base_convert( $match[1] . $match[1], 16, 10 ),
|
||
|
|
'g' => base_convert( $match[2] . $match[2], 16, 10 ),
|
||
|
|
'b' => base_convert( $match[3] . $match[3], 16, 10 ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Registers the style and colors block attributes for block types that support it.
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param WP_Block_Type $block_type Block Type.
|
||
|
|
*/
|
||
|
|
function wp_register_duotone_support( $block_type ) {
|
||
|
|
$has_duotone_support = false;
|
||
|
|
if ( property_exists( $block_type, 'supports' ) ) {
|
||
|
|
$has_duotone_support = _wp_array_get( $block_type->supports, array( 'color', '__experimentalDuotone' ), false );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $has_duotone_support ) {
|
||
|
|
if ( ! $block_type->attributes ) {
|
||
|
|
$block_type->attributes = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! array_key_exists( 'style', $block_type->attributes ) ) {
|
||
|
|
$block_type->attributes['style'] = array(
|
||
|
|
'type' => 'object',
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Render out the duotone stylesheet and SVG.
|
||
|
|
*
|
||
|
|
* @since 5.8.0
|
||
|
|
* @access private
|
||
|
|
*
|
||
|
|
* @param string $block_content Rendered block content.
|
||
|
|
* @param array $block Block object.
|
||
|
|
*
|
||
|
|
* @return string Filtered block content.
|
||
|
|
*/
|
||
|
|
function wp_render_duotone_support( $block_content, $block ) {
|
||
|
|
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
|
||
|
|
|
||
|
|
$duotone_support = false;
|
||
|
|
if ( $block_type && property_exists( $block_type, 'supports' ) ) {
|
||
|
|
$duotone_support = _wp_array_get( $block_type->supports, array( 'color', '__experimentalDuotone' ), false );
|
||
|
|
}
|
||
|
|
|
||
|
|
$has_duotone_attribute = isset( $block['attrs']['style']['color']['duotone'] );
|
||
|
|
|
||
|
|
if (
|
||
|
|
! $duotone_support ||
|
||
|
|
! $has_duotone_attribute
|
||
|
|
) {
|
||
|
|
return $block_content;
|
||
|
|
}
|
||
|
|
|
||
|
|
$duotone_colors = $block['attrs']['style']['color']['duotone'];
|
||
|
|
|
||
|
|
$duotone_values = array(
|
||
|
|
'r' => array(),
|
||
|
|
'g' => array(),
|
||
|
|
'b' => array(),
|
||
|
|
);
|
||
|
|
foreach ( $duotone_colors as $color_str ) {
|
||
|
|
$color = wp_tinycolor_string_to_rgb( $color_str );
|
||
|
|
|
||
|
|
$duotone_values['r'][] = $color['r'] / 255;
|
||
|
|
$duotone_values['g'][] = $color['g'] / 255;
|
||
|
|
$duotone_values['b'][] = $color['b'] / 255;
|
||
|
|
}
|
||
|
|
|
||
|
|
$duotone_id = 'wp-duotone-filter-' . uniqid();
|
||
|
|
|
||
|
|
$selectors = explode( ',', $duotone_support );
|
||
|
|
$selectors_scoped = array_map(
|
||
|
|
function ( $selector ) use ( $duotone_id ) {
|
||
|
|
return '.' . $duotone_id . ' ' . trim( $selector );
|
||
|
|
},
|
||
|
|
$selectors
|
||
|
|
);
|
||
|
|
$selectors_group = implode( ', ', $selectors_scoped );
|
||
|
|
|
||
|
|
ob_start();
|
||
|
|
|
||
|
|
?>
|
||
|
|
|
||
|
|
<style>
|
||
|
|
<?php echo $selectors_group; ?> {
|
||
|
|
filter: url( <?php echo esc_url( '#' . $duotone_id ); ?> );
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
|
||
|
|
<svg
|
||
|
|
xmlns:xlink="http://www.w3.org/1999/xlink"
|
||
|
|
viewBox="0 0 0 0"
|
||
|
|
width="0"
|
||
|
|
height="0"
|
||
|
|
focusable="false"
|
||
|
|
role="none"
|
||
|
|
style="visibility: hidden; position: absolute; left: -9999px; overflow: hidden;"
|
||
|
|
>
|
||
|
|
<defs>
|
||
|
|
<filter id="<?php echo esc_attr( $duotone_id ); ?>">
|
||
|
|
<feColorMatrix
|
||
|
|
type="matrix"
|
||
|
|
<?php // phpcs:disable Generic.WhiteSpace.DisallowSpaceIndent ?>
|
||
|
|
values=".299 .587 .114 0 0
|
||
|
|
.299 .587 .114 0 0
|
||
|
|
.299 .587 .114 0 0
|
||
|
|
0 0 0 1 0"
|
||
|
|
<?php // phpcs:enable Generic.WhiteSpace.DisallowSpaceIndent ?>
|
||
|
|
/>
|
||
|
|
<feComponentTransfer color-interpolation-filters="sRGB" >
|
||
|
|
<feFuncR type="table" tableValues="<?php echo esc_attr( implode( ' ', $duotone_values['r'] ) ); ?>" />
|
||
|
|
<feFuncG type="table" tableValues="<?php echo esc_attr( implode( ' ', $duotone_values['g'] ) ); ?>" />
|
||
|
|
<feFuncB type="table" tableValues="<?php echo esc_attr( implode( ' ', $duotone_values['b'] ) ); ?>" />
|
||
|
|
</feComponentTransfer>
|
||
|
|
</filter>
|
||
|
|
</defs>
|
||
|
|
</svg>
|
||
|
|
|
||
|
|
<?php
|
||
|
|
|
||
|
|
$duotone = ob_get_clean();
|
||
|
|
|
||
|
|
// Like the layout hook, this assumes the hook only applies to blocks with a single wrapper.
|
||
|
|
$content = preg_replace(
|
||
|
|
'/' . preg_quote( 'class="', '/' ) . '/',
|
||
|
|
'class="' . $duotone_id . ' ',
|
||
|
|
$block_content,
|
||
|
|
1
|
||
|
|
);
|
||
|
|
|
||
|
|
return $content . $duotone;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Register the block support.
|
||
|
|
WP_Block_Supports::get_instance()->register(
|
||
|
|
'duotone',
|
||
|
|
array(
|
||
|
|
'register_attribute' => 'wp_register_duotone_support',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
add_filter( 'render_block', 'wp_render_duotone_support', 10, 2 );
|