Older/LvglApplication/lvgl_shell.html

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<html>
<head>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0, shrink-to-fit=no'/>
<style type="text/css">
html, body {
margin: 0;
width: 100%;
height: 100%;
min-width: 100%;
min-height: 100%;
}
body {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
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#output, #canvas {
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margin: 0;
padding: 0;
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width: 100%;
height: 100%;
background-color: burlywood;
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}
</style>
</head>
<body>
<p id="output">
<canvas id="canvas"></canvas>
</p>
<script>
var siteURL = new URL(window.location.href);
var canvas = document.getElementById('canvas');
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let rect = canvas.getBoundingClientRect();
canvas.setAttribute("width", rect.width);
canvas.setAttribute("height", rect.height);
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var Module = {
print: function(text) {
console.log(text);
},
printErr: function(text) {
console.error(text);
},
canvas: (function() {
return canvas;
})(),
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arguments: [String(rect.width * window.devicePixelRatio), String(rect.height * window.devicePixelRatio), siteURL.searchParams.get("example") ?? "default"],
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onRuntimeInitialized: function () {
// const canvas = document.getElementById('canvas');
// const observer = new ResizeObserver(entries => {
// for (let entry of entries) {
// const width = entry.contentRect.width;
// const height = entry.contentRect.height;
// Module.setCanvasSize(width, height); // 调用 Wasm 函数
// canvas.setAttribute("width", width);
// canvas.setAttribute("height", height);
// }
// });
// observer.observe(canvas);
}
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};
window.addEventListener("click", () => window.focus());
</script>
{{{ SCRIPT }}}
</body>
</html>