import * as scrawl from '../source/scrawl.js';
import { reportSpeed, addImageDragAndDrop } from './utilities.js';import * as scrawl from '../source/scrawl.js';
import { reportSpeed, addImageDragAndDrop } from './utilities.js';const canvas = scrawl.library.canvas.mycanvas;
scrawl.importDomImage('.flowers');
const colorFactory = scrawl.makeColor({
name: 'my-color-factory',
});Create the filter
const myFilter = scrawl.makeFilter({
name: 'reducePalette',
method: 'reducePalette',
palette: 'black-white',
});Create the target entity
const dithered = scrawl.makePicture({
name: 'dithered-image',
asset: 'iris',
width: '50%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['reducePalette'],
});
const original = dithered.clone({
name: 'original-image',
startX: '50%',
filters: [],
});Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {@ts-expect-error
return ` Minimum color distance: ${minimumColorDistance.value}\n Opacity: ${opacity.value}`;
});Create the Display cycle animation
const demoAnimation = scrawl.makeRender({
name: "demo-animation",
target: canvas,
afterShow: report,
});const converter = scrawl.makeColor({
name: 'converter',
});
scrawl.observeAndUpdate({
event: ['change'],
origin: '.controlItem',
target: myFilter,
useNativeListener: true,
preventDefault: true,
updates: {
palette: ['palette', 'raw'],
paletteString: ['palette', 'raw'],
paletteNumber: ['palette', 'round'],
minimumColorDistance: ['minimumColorDistance', 'round'],
seed: ['seed', 'raw'],
useBluenoise: ['useBluenoise', 'boolean'],
useLabForPaletteDistance: ['useLabForPaletteDistance', 'boolean'],
opacity: ['opacity', 'float'],
},
});
scrawl.addNativeListener('change', (e) => {
const val = (e.target.value === '0') ? false : true;
dithered.set({ memoizeFilterOutput: val });
}, '#memoizeFilterOutput');Setup form
const opacity = document.querySelector('#opacity');
const minimumColorDistance = document.querySelector('#minimumColorDistance');@ts-expect-error
opacity.value = 1;@ts-expect-error
minimumColorDistance.value = 1000;@ts-expect-error
document.querySelector('#palette').options.selectedIndex = 0;@ts-expect-error
document.querySelector('#memoizeFilterOutput').options.selectedIndex = 0;@ts-expect-error
document.querySelector('#paletteString').value = 'yellow, green, darkgreen, limegreen, olivedrab, mediumseagreen, seagreen, lightblue, darkslategray, lavender, slateblue, mediumslateblue, black, indigo, brown, antiquewhite';@ts-expect-error
document.querySelector('#paletteNumber').options.selectedIndex = 1;@ts-expect-error
document.querySelector('#seed').value = 'some-random-string-or-other';@ts-expect-error
document.querySelector('#useBluenoise').options.selectedIndex = 0;@ts-expect-error
document.querySelector('#useLabForPaletteDistance').options.selectedIndex = 0;addImageDragAndDrop(canvas, '#my-image-store', [dithered, original]);console.log(scrawl.library);