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: 'threshold',
method: 'threshold',
level: 127,
lowRed: 0,
lowGreen: 0,
lowBlue: 0,
highRed: 255,
highGreen: 255,
highBlue: 255,
});Create the target entity
const piccy = scrawl.makePicture({
name: 'base-piccy',
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['threshold'],
});Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {@ts-expect-error
return ` Low color: ${lowCol.value}, High color: ${highCol.value}\n Level: ${level.value}\n Red: ${red.value}; Green: ${green.value}; Blue: ${blue.value}; Alpha: ${alpha.value}; \n Opacity: ${opacity.value}`;
});Create the Display cycle animation
const demoAnimation = scrawl.makeRender({
name: "demo-animation",
target: canvas,
afterShow: report,
});scrawl.observeAndUpdate({
event: ['input', 'change'],
origin: '.controlItem',
target: myFilter,
useNativeListener: true,
preventDefault: true,
updates: {
opacity: ['opacity', 'float'],
level: ['level', 'round'],
lowColor: ['lowColor', 'raw'],
highColor: ['highColor', 'raw'],
red: ['red', 'round'],
green: ['green', 'round'],
blue: ['blue', 'round'],
alpha: ['alpha', 'round'],
includeRed: ['includeRed', 'boolean'],
includeGreen: ['includeGreen', 'boolean'],
includeBlue: ['includeBlue', 'boolean'],
includeAlpha: ['includeAlpha', 'boolean'],
useMixedChannel: ['useMixedChannel', 'boolean'],
},
});Setup form
const lowCol = document.querySelector('#lowColor'),
highCol = document.querySelector('#highColor'),
level = document.querySelector('#level'),
red = document.querySelector('#red'),
green = document.querySelector('#green'),
blue = document.querySelector('#blue'),
alpha = document.querySelector('#alpha'),
opacity = document.querySelector('#opacity');@ts-expect-error
lowCol.value = '#000000';@ts-expect-error
highCol.value = '#ffffff';@ts-expect-error
level.value = 128;@ts-expect-error
red.value = 128;@ts-expect-error
green.value = 128;@ts-expect-error
blue.value = 128;@ts-expect-error
alpha.value = 128;@ts-expect-error
opacity.value = 1;@ts-expect-error
document.querySelector('#useMixedChannel').options.selectedIndex = 1;@ts-expect-error
document.querySelector('#includeRed').options.selectedIndex = 1;@ts-expect-error
document.querySelector('#includeGreen').options.selectedIndex = 1;@ts-expect-error
document.querySelector('#includeBlue').options.selectedIndex = 1;@ts-expect-error
document.querySelector('#includeAlpha').options.selectedIndex = 0;addImageDragAndDrop(canvas, '#my-image-store', piccy);console.log(scrawl.library);