scrawl-canvas
Version:
Version 8.9.4 - 19 Nov 2022
65 lines (48 loc) • 1.82 kB
HTML
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Demo Filters 002a</title>
<link href="css/normalize.css" rel="stylesheet" />
<link href="css/tests.css" rel="stylesheet" />
<style>
.controls {
grid-template-columns: 1fr 2fr 1fr 2fr;
}
img {
display: none;
}
</style>
</head>
<body>
<h1><a href="index.html">Scrawl-canvas v8</a> - Filters test 002a</h1>
<h2>Filters - cache output to improve render speeds</h2>
<div class="controls">
<div class="lavender label">Opacity</div>
<div class="lavender"><input class="controlItem" id="opacity" type="range" value="1" min="0" max="1" step="0.01" /></div>
</div>
<canvas
id="mycanvas"
width="400"
height="540"
data-scrawl-canvas
></canvas>
<img id="iris" src="img/iris-120.png" class="flowers" />
<p id="reportmessage"></p>
<div class="testinfo">
<h4>Test purpose</h4>
<ul>
<li>Create red, green, blue, cyan, magenta, yellow, notred, notgreen, notblue, grayscale, sepia and invert filters</li>
<li>Create a set of Picture entitys to display the effects of each filter on their image asset</li>
<li>Cache the output of each Picture entity and create new Picture entitys from those cached images</li>
<li>Add functionality to dynamically capture UI updates to the filters in the cached images</li>
</ul>
<p><b>Known issue:</b> capturing the cached images takes time and requires the use of setTimeout.</p>
<p><b>Touch test:</b> not required</p>
<p><a href="../docs/demo/filters-002a.html">Annotated code</a></p>
</div>
<script src="filters-002a.js" type="module"></script>
</body>
</html>