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Duotone: Add a posterize option #33673

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Duotone: Add a posterize option #33673

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14 changes: 13 additions & 1 deletion packages/block-editor/src/components/duotone-control/duotone-picker-popover.js
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@@ -1,7 +1,12 @@
/**
* WordPress dependencies
*/
import { Popover, MenuGroup, DuotonePicker } from '@wordpress/components';
import {
Popover,
MenuGroup,
DuotonePicker,
ToggleControl,
} from '@wordpress/components';
import { __ } from '@wordpress/i18n';

function DuotonePickerPopover( {
Expand All @@ -12,6 +17,8 @@ function DuotonePickerPopover( {
colorPalette,
disableCustomColors,
disableCustomDuotone,
posterize,
onPosterizeToggle,
} ) {
return (
<Popover
Expand All @@ -28,6 +35,11 @@ function DuotonePickerPopover( {
value={ value }
onChange={ onChange }
/>
<ToggleControl
checked={ posterize }
onChange={ onPosterizeToggle }
label={ __( 'Posterize' ) }
/>
</MenuGroup>
</Popover>
);
Expand Down
4 changes: 4 additions & 0 deletions packages/block-editor/src/components/duotone-control/index.js
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Expand Up @@ -18,6 +18,8 @@ function DuotoneControl( {
disableCustomDuotone,
value,
onChange,
onPosterizeToggle,
posterize,
} ) {
const [ isOpen, setIsOpen ] = useState( false );

Expand Down Expand Up @@ -52,6 +54,8 @@ function DuotoneControl( {
colorPalette={ colorPalette }
disableCustomColors={ disableCustomColors }
disableCustomDuotone={ disableCustomDuotone }
onPosterizeToggle={ onPosterizeToggle }
posterize={ posterize }
/>
) }
</>
Expand Down
3 changes: 2 additions & 1 deletion packages/block-editor/src/components/duotone-control/style.scss
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Expand Up @@ -4,7 +4,8 @@
min-width: 214px;
}

.components-circular-option-picker {
.components-circular-option-picker,
.components-toggle-control {
padding: $grid-unit-15;
}

Expand Down
21 changes: 17 additions & 4 deletions packages/block-editor/src/hooks/duotone.js
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Expand Up @@ -62,15 +62,17 @@ export function getValuesFromColors( colors = [] ) {
* @param {string} props.selector Selector to apply the filter to.
* @param {string} props.id Unique id for this duotone filter.
* @param {Values} props.values R, G, and B values to filter with.
* @param {boolean} props.posterize Decides whether to use discrete values or table values for the filter.
*
* @return {WPElement} Duotone element.
*/
function DuotoneFilter( { selector, id, values } ) {
function DuotoneFilter( { selector, id, values, posterize } ) {
const stylesheet = `
${ selector } {
filter: url( #${ id } );
}
`;
const type = posterize ? 'discrete' : 'table';

return (
<>
Expand Down Expand Up @@ -104,15 +106,15 @@ ${ selector } {
colorInterpolationFilters="sRGB"
>
<feFuncR
type="table"
type={ type }
tableValues={ values.r.join( ' ' ) }
/>
<feFuncG
type="table"
type={ type }
tableValues={ values.g.join( ' ' ) }
/>
<feFuncB
type="table"
type={ type }
tableValues={ values.b.join( ' ' ) }
/>
</feComponentTransfer>
Expand All @@ -127,6 +129,7 @@ ${ selector } {
function DuotonePanel( { attributes, setAttributes } ) {
const style = attributes?.style;
const duotone = style?.color?.duotone;
const posterize = style?.posterize;

const duotonePalette = useSetting( 'color.duotone' ) || EMPTY_ARRAY;
const colorPalette = useSetting( 'color.palette' ) || EMPTY_ARRAY;
Expand Down Expand Up @@ -157,6 +160,14 @@ function DuotonePanel( { attributes, setAttributes } ) {
};
setAttributes( { style: newStyle } );
} }
posterize={ posterize }
onPosterizeToggle={ ( newPosterize ) => {
const newStyle = {
...style,
posterize: newPosterize,
};
setAttributes( { style: newStyle } );
} }
/>
</BlockControls>
);
Expand Down Expand Up @@ -227,6 +238,7 @@ const withDuotoneStyles = createHigherOrderComponent(
'color.__experimentalDuotone'
);
const values = props?.attributes?.style?.color?.duotone;
const posterize = props?.attributes?.style?.posterize;

if ( ! duotoneSupport || ! values ) {
return <BlockListBlock { ...props } />;
Expand All @@ -252,6 +264,7 @@ const withDuotoneStyles = createHigherOrderComponent(
selector={ selectorsGroup }
id={ id }
values={ getValuesFromColors( values ) }
posterize={ posterize }
/>,
element
) }
Expand Down