import scrawl from '../source/scrawl.js';import scrawl from '../source/scrawl.js';const canvas = scrawl.library.canvas.mycanvas;
scrawl.importDomImage('.flowers');Create the target entity
const piccy = scrawl.makePicture({
name: 'base-piccy',
asset: 'iris',
width: '100%',
height: '100%',
copyWidth: '100%',
copyHeight: '100%',
method: 'fill',
filter: 'url(#svg-blur)',
});We create the filter in the HTML script, not here:
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<filter id="svg-blur">
<feGaussianBlur in="SourceGraphic" stdDeviation="5" edgeMode="duplicate" />
</filter>
</svg>let feGaussianBlur = document.querySelector('feGaussianBlur');Function to display frames-per-second data, and other information relevant to the demo
let report = function () {
let testTicker = Date.now(),
testTime, testNow,
testMessage = document.querySelector('#reportmessage');
return function () {
testNow = Date.now();
testTime = testNow - testTicker;
testTicker = testNow;
testMessage.textContent = `Screen refresh: ${Math.ceil(testTime)}ms; fps: ${Math.floor(1000 / testTime)}
<filter id="svg-blur">
<feGaussianBlur in="SourceGraphic" stdDeviation="${feGaussianBlur.getAttribute('stdDeviation')}" edgeMode="${feGaussianBlur.getAttribute('edgeMode')}" />
</filter>`;
};
}();Create the Display cycle animation
const demoAnimation = scrawl.makeRender({
name: "demo-animation",
target: canvas,
afterShow: report,
});let updateStdDeviation = (e) => {
e.preventDefault();
e.returnValue = false;
feGaussianBlur.setAttribute('stdDeviation', parseFloat(e.target.value));
};
scrawl.addNativeListener(['input', 'change'], updateStdDeviation, '#stdDeviation');
let updateEdgeMode = (e) => {
e.preventDefault();
e.returnValue = false;
feGaussianBlur.setAttribute(`edgeMode`, e.target.value);
};
scrawl.addNativeListener(['input', 'change'], updateEdgeMode, '#edgeMode');
document.querySelector('#stdDeviation').value = 5;
document.querySelector('#edgeMode').options.selectedIndex = 0;console.log(scrawl.library);