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: 'clamp',
method: 'clampChannels',
lowRed: 0,
lowGreen: 0,
lowBlue: 0,
highRed: 255,
highGreen: 255,
highBlue: 255,
opacity: 1,
});
const colorFactory = scrawl.makeColor({
name: 'my-color-factory',
});Create the target entity
const piccy = scrawl.makePicture({
name: 'base-piccy',
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['clamp'],
});Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {@ts-expect-error
return ` Red - low: ${lowRed.value}; high - ${highRed.value}\n Green - low: ${lowGreen.value}; high - ${highGreen.value}\n Blue - low: ${lowBlue.value}; high - ${highBlue.value}\n Color - low: ${lowColor.value}; high: ${highColor.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: {
'low-red': ['lowRed', 'round'],
'low-green': ['lowGreen', 'round'],
'low-blue': ['lowBlue', 'round'],
'high-red': ['highRed', 'round'],
'high-green': ['highGreen', 'round'],
'high-blue': ['highBlue', 'round'],
'opacity': ['opacity', 'float'],
},
callback: () => {@ts-expect-error
lowColor.value = colorFactory.convertRGBtoHex(lowRed.value, lowGreen.value, lowBlue.value);@ts-expect-error
highColor.value = colorFactory.convertRGBtoHex(highRed.value, highGreen.value, highBlue.value);
},
});
scrawl.addNativeListener(['input', 'change'], (e) => {
if (e && e.target) {
const target = e.target.id,
val = e.target.value;
let [r, g, b] = colorFactory.extractRGBfromColor(val)
if ('low-color' === target) {
myFilter.set({ lowColor: val });@ts-expect-error
lowRed.value = r;@ts-expect-error
lowGreen.value = g;@ts-expect-error
lowBlue.value = b;
}
else if ('high-color' === target) {
myFilter.set({ highColor: val });@ts-expect-error
highRed.value = r;@ts-expect-error
highGreen.value = g;@ts-expect-error
highBlue.value = b;
}
}
}, '.colorSelector');Setup form
const lowRed = document.querySelector('#low-red'),
lowGreen = document.querySelector('#low-green'),
lowBlue = document.querySelector('#low-blue'),
highRed = document.querySelector('#high-red'),
highGreen = document.querySelector('#high-green'),
highBlue = document.querySelector('#high-blue'),
lowColor = document.querySelector('#low-color'),
highColor = document.querySelector('#high-color'),
opacity = document.querySelector('#opacity');@ts-expect-error
lowRed.value = 0;@ts-expect-error
lowGreen.value = 0;@ts-expect-error
lowBlue.value = 0;@ts-expect-error
highRed.value = 255;@ts-expect-error
highGreen.value = 255;@ts-expect-error
highBlue.value = 255;@ts-expect-error
lowColor.value = '#000000';@ts-expect-error
highColor.value = '#ffffff';@ts-expect-error
opacity.value = 1;addImageDragAndDrop(canvas, '#my-image-store', piccy);console.log(scrawl.library);