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: 'areaAlpha',
method: 'areaAlpha',
tileWidth: 10,
tileHeight: 10,
gutterWidth: 10,
gutterHeight: 10,
offsetX: 0,
offsetY: 0,
areaAlphaLevels: [255, 255, 0, 0],
});Create the target entity
const piccy = scrawl.makePicture({
name: 'base-piccy',
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filters: ['areaAlpha'],
});Function to display frames-per-second data, and other information relevant to the demo
const report = reportSpeed('#reportmessage', function () {@ts-expect-error
return ` Tile dimensions - width: ${tile_width.value} height: ${tile_height.value}\n Gutter dimensions - width: ${gutter_width.value} height: ${gutter_height.value}\n Offset - x: ${offset_x.value} y: ${offset_y.value}\n areaAlphaLevels array: [${alpha_0.value}, ${alpha_1.value}, ${alpha_2.value}, ${alpha_3.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: {
tile_width: ['tileWidth', 'round'],
tile_height: ['tileHeight', 'round'],
gutter_width: ['gutterWidth', 'round'],
gutter_height: ['gutterHeight', 'round'],
offset_x: ['offsetX', 'round'],
offset_y: ['offsetY', 'round'],
opacity: ['opacity', 'float'],
},
});
scrawl.addNativeListener(['input', 'change'], function (e) {@ts-expect-error
let a0 = parseInt(alpha_0.value, 10),@ts-expect-error
a1 = parseInt(alpha_1.value, 10),@ts-expect-error
a2 = parseInt(alpha_2.value, 10),@ts-expect-error
a3 = parseInt(alpha_3.value, 10);
myFilter.set({
areaAlphaLevels: [a0, a2, a1, a3],
});
}, '.alphas');Setup form
const tile_width = document.querySelector('#tile_width'),
tile_height = document.querySelector('#tile_height'),
gutter_width = document.querySelector('#gutter_width'),
gutter_height = document.querySelector('#gutter_height'),
alpha_0 = document.querySelector('#alpha_0'),
alpha_1 = document.querySelector('#alpha_1'),
alpha_2 = document.querySelector('#alpha_2'),
alpha_3 = document.querySelector('#alpha_3'),
offset_x = document.querySelector('#offset_x'),
offset_y = document.querySelector('#offset_y'),
opacity = document.querySelector('#opacity');@ts-expect-error
tile_width.value = 10;@ts-expect-error
tile_height.value = 10;@ts-expect-error
gutter_width.value = 10;@ts-expect-error
gutter_height.value = 10;@ts-expect-error
offset_x.value = 0;@ts-expect-error
offset_y.value = 0;@ts-expect-error
opacity.value = 1;@ts-expect-error
alpha_0.value = 255;@ts-expect-error
alpha_1.value = 0;@ts-expect-error
alpha_2.value = 255;@ts-expect-error
alpha_3.value = 0;addImageDragAndDrop(canvas, '#my-image-store', piccy);console.log(scrawl.library);