scrawl-canvas
Version:
Version 8.9.4 - 19 Nov 2022
175 lines (128 loc) • 7.21 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 Canvas 035</title>
<link href="css/normalize.css" rel="stylesheet" />
<link href="css/tests.css" rel="stylesheet" />
<style>
.controls {
grid-template-columns: 1fr 2fr 2fr 1fr 2fr 2fr;
}
</style>
</head>
<body>
<h1><a href="index.html">Scrawl-canvas v8</a> - Canvas test 035</h1>
<h2>Pattern style functionality</h2>
<h3>The Block entity can be dragged around the <canvas> element</h3>
<div class="controls">
<div class="lavender label">Pattern</div>
<div class="lavender">
<select class="controlItem" id="pattern">
<option value="bunny-pattern">Bunny</option>
<option value="leaves-pattern">Leaves</option>
<option value="video-pattern">Video</option>
<option value="cell-pattern">Cell animation</option>
<option value="cat-pattern">Cat sprite</option>
</select>
</div>
<div class="lavender"> </div>
<div class="lavender label">Repeat</div>
<div class="lavender">
<select class="controlItem" id="repeat">
<option value="repeat">repeat</option>
<option value="repeat-x">repeat-x</option>
<option value="repeat-y">repeat-y</option>
<option value="no-repeat">no-repeat</option>
</select>
</div>
<div class="lavender"> </div>
<div class="blue label">Matrix</div>
<div class="blue">Stretch X: <input class="controlItem matrix" id="matrixA" type="range" value="1" min="-2" max="2" step="0.01" /></div>
<div class="blue">Skew X: <input class="controlItem matrix" id="matrixC" type="range" value="0" min="-2" max="2" step="0.01" /></div>
<div class="blue label"> </div>
<div class="blue">Shift X: <input class="controlItem matrix" id="matrixE" type="range" value="0" min="-100" max="100" step="1" /></div>
<div class="blue"> </div>
<div class="blue label"> </div>
<div class="blue">Stretch Y: <input class="controlItem matrix" id="matrixD" type="range" value="1" min="-2" max="2" step="0.01" /></div>
<div class="blue">Skew Y: <input class="controlItem matrix" id="matrixB" type="range" value="0" min="-2" max="2" step="0.01" /></div>
<div class="blue label"> </div>
<div class="blue">Shift Y: <input class="controlItem matrix" id="matrixF" type="range" value="0" min="-100" max="100" step="1" /></div>
<div class="blue"> </div>
</div>
<canvas
id="mycanvas"
width="600"
height="400"
data-scrawl-canvas
></canvas>
<p id="reportmessage"></p>
<div class="controls">
<div class="pink label">Block width</div>
<div class="pink">n% <input class="controlItem" id="relativeWidth" type="range" value="50" min="10" max="90" step="0.1" /></div>
<div class="pink">n <input class="controlItem" id="absoluteWidth" type="range" value="300" min="0" max="600" step="1" /></div>
<div class="pink label">Block height</div>
<div class="pink">n% <input class="controlItem" id="relativeHeight" type="range" value="50" min="10" max="90" step="0.1" /></div>
<div class="pink">n <input class="controlItem" id="absoluteHeight" type="range" value="200" min="0" max="400" step="1" /></div>
<div class="green label">Handles ('n%')</div>
<div class="green">X: <input class="controlItem" id="handle_xPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="handle_yPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="green label">Handles (n)</div>
<div class="green">X: <input class="controlItem" id="handle_xAbsolute" type="range" value="100" min="-100" max="300" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="handle_yAbsolute" type="range" value="100" min="-100" max="300" step="1" /></div>
<div class="green label">Offset ('n%')</div>
<div class="green">X: <input class="controlItem" id="offset_xPercent" type="range" value="0" min="-20" max="20" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="offset_yPercent" type="range" value="0" min="-20" max="20" step="1" /></div>
<div class="green label">Offset (n)</div>
<div class="green">X: <input class="controlItem" id="offset_xAbsolute" type="range" value="0" min="-50" max="50" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="offset_yAbsolute" type="range" value="0" min="-50" max="50" step="1" /></div>
<div class="yellow label">Roll</div>
<div class="yellow"><input class="controlItem" id="roll" type="range" value="0" min="0" max="360" step="1" /></div>
<div class="yellow"> </div>
<div class="yellow label">Scale</div>
<div class="yellow"><input class="controlItem" id="scale" type="range" value="1.0" min="0" max="2.0" step="0.05" /></div>
<div class="yellow">
<select class="controlItem" id="scaleOutline">
<option value="0">Constant linewidth</option>
<option value="1">Scaled linewidth</option>
</select>
</div>
<div class="yellow label">Flip-upend</div>
<div class="yellow">
<select class="controlItem" id="upend">
<option value="0">false</option>
<option value="1">true</option>
</select>
</div>
<div class="yellow"> </div>
<div class="yellow label">Flip-reverse</div>
<div class="yellow">
<select class="controlItem" id="reverse">
<option value="0">false</option>
<option value="1">true</option>
</select>
</div>
<div class="yellow"> </div>
</div>
<div class="testinfo">
<h4>Test purpose</h4>
<ul>
<li>Create a selection of Pattern objects, using images as their asset</li>
<li>Create a Pattern object using a video asset</li>
<li>Create a Cell wrapper which can be animated and used as a pattern</li>
<li>Create a Cell wrapper that hosts a Picture entity using a spritesheet as its asset, which can be animated and used as a pattern</li>
<li>Create a Block entity that uses patterns for its fillStyle attribute</li>
<li>Check that all patterns load and display as required</li>
<li>Check that all patterns are rendered appropriately when the display Block is moved and manipulated (note: patterns will not scale as the Block scales)</li>
<li>Check that all patterns react appropriately as the 'repeat' attribute is updated (in real time)</li>
<li>Check that all patterns react appropriately as each of the six pattern matrix values is manipulated (in real time)</li>
</ul>
<p><b>Known issue:</b> The Firefox browser has a longstanding bug where it only recognises the 'repeat' and 'no-repeat' values for the Pattern `repeat` attribute. Also, the 'no-repeat' value will produce faulty output.</p>
<p><b>Touch test:</b> should work as expected</p>
<p><a href="../docs/demo/canvas-035.html">Annotated code</a></p>
</div>
<script src="canvas-035.js" type="module"></script>
</body>
</html>