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 canvas1 = scrawl.library.canvas['canvas-1'];
const canvas2 = scrawl.library.canvas['canvas-2'];
scrawl.importDomImage('.flowers');
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',
group: canvas1.base.name,
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['reducePalette'],
});
const original = dithered.clone({
name: 'original-image',
group: canvas2.base.name,
filters: [],
});
Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {
@ts-expect-error
return ` Commonest colors: ${commonestColors.value}\n Minimum color distance: ${minimumColorDistance.value}\n Opacity: ${opacity.value}`;
});
Create the Display cycle animation
scrawl.makeRender({
name: "demo-animation",
target: [canvas1, canvas2],
});
scrawl.makeRender({
name: "demo-reporter",
noTarget: true,
afterShow: report,
});
scrawl.makeUpdater({
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'],
noiseType: ['noiseType', 'raw'],
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');
const commonestColors = document.querySelector('#paletteNumber');
@ts-expect-error
opacity.value = 1;
@ts-expect-error
minimumColorDistance.value = 1000;
@ts-expect-error
commonestColors.value = 10;
@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').value = 16;
@ts-expect-error
document.querySelector('#seed').value = 'some-random-string-or-other';
@ts-expect-error
document.querySelector('#noiseType').options.selectedIndex = 0;
@ts-expect-error
document.querySelector('#useLabForPaletteDistance').options.selectedIndex = 0;
addImageDragAndDrop([canvas1, canvas2], '#my-image-store', [dithered, original]);
console.log(scrawl.library);