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');Create the filter
const myFilter = scrawl.makeFilter({
name: 'channelLevels',
method: 'channelLevels',
red: [50, 200],
green: [60, 220, 150],
blue: [40, 180],
alpha: [],
});Create the target entity
const piccy = scrawl.makePicture({
name: 'base-piccy',
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['channelLevels'],
});Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {@ts-expect-error
return ` Red: [${red.value}]\n Green: [${green.value}]\n Blue: [${blue.value}]\n Alpha: [${alpha.value}]\n Opacity: ${opacity.value}`;
});Create the Display cycle animation
const demoAnimation = scrawl.makeRender({
name: "demo-animation",
target: canvas,
afterShow: report,
});scrawl.addNativeListener(
['input', 'change'],
(e) => {
let a;
if (e.target.id === 'opacity') a = e.target.value;
else {
let temp = e.target.value.split(',');
a = [];
temp.forEach(t => {
let n = parseInt(t, 10);
if (n.toFixed && !isNaN(n)) a.push(n)
});
}
myFilter.set({
[e.target.id]: a,
});
},
'.controlItem');Setup form
const red = document.querySelector('#red'),
green = document.querySelector('#green'),
blue = document.querySelector('#blue'),
alpha = document.querySelector('#alpha'),
opacity = document.querySelector('#opacity');@ts-expect-error
red.value = '50, 200';@ts-expect-error
green.value = '60, 220, 150';@ts-expect-error
blue.value = '40, 180';@ts-expect-error
alpha.value = '';@ts-expect-error
opacity.value = 1;addImageDragAndDrop(canvas, '#my-image-store', piccy);console.log(scrawl.library);