118 lines
4.0 KiB
HTML
118 lines
4.0 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>PIXI Application Resolution Doctest</title>
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<link rel="stylesheet" href="../../lib/3rdparty/highlight/styles/default.css">
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<link rel="stylesheet" href="../../css/doctest.css">
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<script src="../../lib/3rdparty/highlight/highlight.pack.js"></script>
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<script src="../../lib/3rdparty/all.js"></script>
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<script src="../all.js"></script>
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<script src="./all.js"></script>
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<style>
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#dpi {
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height: 1in;
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left: -100%;
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position: absolute;
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top: -100%;
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width: 1in;
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}
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</style>
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</head>
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<body onload="Doctest.run()">
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<h1>Application Resolution</h1>
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<p>
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This is a doc test page to examine the width and height of canvas elements at different resolutions.
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</p>
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<p>Further documentation:</p>
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<ul>
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<li><a href="https://webglfundamentals.org/webgl/lessons/webgl-resizing-the-canvas.html">WebGL Fundamentals</a></li>
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<li><a href="https://www.khronos.org/webgl/wiki/HandlingHighDPI">Handling High DPI</a></li>
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</ul>
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<p>Device properties:</p>
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<ul>
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<li id="dpi-result">Your screen has <span></span> dpi.</li>
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<li id="dpr-result">Your screen has a device-pixel-ratio of <span></span>.</li>
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</ul>
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<p>
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Set width and height per CSS: <input type="checkbox" />
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</p>
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<script>
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let scaled = false
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$('input[type="checkbox"]').click(function(e) {
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if ($(this).prop('checked')) {
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$('#canvas1').css({width: '100px', height: '100px'})
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$('#canvas2').css({width: '100px', height: '100px'})
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$('#canvas3').css({width: '100px', height: '100px'})
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$('#canvas4').css({width: '100px', height: '100px'})
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} else {
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$('#canvas1').css({width: 'auto', height: 'auto'})
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$('#canvas2').css({width: 'auto', height: 'auto'})
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$('#canvas3').css({width: 'auto', height: 'auto'})
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$('#canvas4').css({width: 'auto', height: 'auto'})
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}
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})
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</script>
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<p>Let's look at some canvas resolution examples:</p>
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<div id="dpi"></div>
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<script>
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$('#dpi-result span').text(document.getElementById("dpi").offsetHeight)
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$('#dpr-result span').text(window.devicePixelRatio)
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</script>
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<script>
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const style = new PIXI.TextStyle({
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fontStyle: 'italic',
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fontWeight: 'bold',
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fill: ['#ffffff', '#00ff99'],
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stroke: '#4a1850',
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strokeThickness: 5,
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wordWrap: true,
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wordWrapWidth: 440
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})
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</script>
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<canvas id="canvas1" class="interactive"></canvas>
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<script class="doctest">
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const app1 = new PIXI.Application({width: 100, height: 100, resolution: 1, backgroundColor : 0xf8ce2d, view: canvas1})
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const text11 = new PIXI.Text('AaBb12')
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const text12 = new PIXI.Text('IWM', style)
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text12.y = 30
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app1.stage.addChild(text11, text12)
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</script>
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<canvas id="canvas2" class="interactive"></canvas>
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<script class="doctest">
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const app2 = new PIXI.Application({width: 100, height: 100, resolution: 2, backgroundColor : 0xfd6b6a, view: canvas2})
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const text21 = new PIXI.Text('AaBb12')
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const text22 = new PIXI.Text('IWM', style)
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text22.y = 30
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app2.stage.addChild(text21, text22)
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</script>
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<canvas id="canvas3" class="interactive"></canvas>
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<script class="doctest">
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const app3 = new PIXI.Application({width: 100, height: 100, resolution: 3, backgroundColor : 0x40c3f2, view: canvas3})
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const text31 = new PIXI.Text('AaBb12')
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const text32 = new PIXI.Text('IWM', style)
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text32.y = 30
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app3.stage.addChild(text31, text32)
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</script>
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<canvas id="canvas4" class="interactive"></canvas>
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<script class="doctest">
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const app4 = new PIXI.Application({width: 100, height: 100, resolution: window.devicePixelRatio, backgroundColor : 0xd7a3f9, view: canvas4})
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const text41 = new PIXI.Text('AaBb12')
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const text42 = new PIXI.Text('IWM', style)
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text42.y = 30
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app4.stage.addChild(text41, text42)
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</script>
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</body>
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