scrawl-canvas
Version:
Version 8.9.4 - 19 Nov 2022
90 lines (65 loc) • 2.92 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 020</title>
<link href="css/normalize.css" rel="stylesheet" />
<link href="css/tests.css" rel="stylesheet" />
<style>
#my-image-store {
display: none;
}
.controls {
grid-template-columns: 1fr 2fr 1fr 2fr;
}
</style>
</head>
<body>
<h1><a href="index.html">Scrawl-canvas v8</a> - Filters test 020</h1>
<h2>Parameters for: clampChannels filter</h2>
<h3>To change image, drag-and-drop an image file over the canvas</h3>
<div class="controls">
<div class="pink label">Low red</div>
<div class="pink"><input class="controlItem" id="low-red" type="range" value="0" min="0" max="255" step="1" /></div>
<div class="pink label">High red</div>
<div class="pink"><input class="controlItem" id="high-red" type="range" value="255" min="0" max="255" step="1" /></div>
<div class="green label">Low green</div>
<div class="green"><input class="controlItem" id="low-green" type="range" value="0" min="0" max="255" step="1" /></div>
<div class="green label">High green</div>
<div class="green"><input class="controlItem" id="high-green" type="range" value="255" min="0" max="255" step="1" /></div>
<div class="blue label">Low blue</div>
<div class="blue"><input class="controlItem" id="low-blue" type="range" value="0" min="0" max="255" step="1" /></div>
<div class="blue label">High blue</div>
<div class="blue"><input class="controlItem" id="high-blue" type="range" value="255" min="0" max="255" step="1" /></div>
<div class="yellow label">Low color</div>
<div class="yellow"><input class="controlItem colorSelector" id="low-color" type="color" value="#000000" /></div>
<div class="yellow label">High color</div>
<div class="yellow"><input class="controlItem colorSelector" id="high-color" type="color" value="#ffffff" /></div>
<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="400"
data-scrawl-canvas
></canvas>
<p id="reportmessage"></p>
<div class="testinfo">
<h4>Test purpose</h4>
<ul>
<li>Create a test Picture entity</li>
<li>Create an clampChannels filter and apply it to the test entity</li>
<li>Update filter attributes and observe the effect they have on the entity</li>
</ul>
<p><b>Touch test:</b> not required</p>
<p><a href="../docs/demo/filters-020.html">Annotated code</a></p>
</div>
<div id="my-image-store">
<img id="iris" src="img/iris.png" class="flowers" />
</div>
<script src="filters-020.js" type="module"></script>
</body>
</html>