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119 lines
2.6 KiB
119 lines
2.6 KiB
3 months ago
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title></title>
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<style type="text/css">
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html,
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body,
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canvas {
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padding: 0;
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margin: 0;
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width: 100%;
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height: 100%;
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overflow-y: hidden;
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background-color: transparent;
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}
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</style>
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</head>
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<body>
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<canvas id="lime-painter"></canvas>
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<script type="text/javascript" src="./uni.webview.1.5.3.js"></script>
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<script type="text/javascript" src="./painter.js"></script>
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<script>
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var cache = [];
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var painter = null;
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var canvas = null;
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var context = null;
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var timer = null;
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var pixelRatio = 1;
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console.log = function (...args) {
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postMessage(args);
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};
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// function stringify(key, value) {
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// if (typeof value === 'object' && value !== null) {
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// if (cache.indexOf(value) !== -1) {
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// return;
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// }
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// cache.push(value);
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// }
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// return value;
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// };
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function emit(event, data) {
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postMessage({
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event,
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data: (typeof data !== 'object' && data !== null ? data : JSON.stringify(data))
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});
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cache = [];
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};
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function postMessage(data) {
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uni.postMessage({
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data
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});
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};
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function init(dpr) {
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canvas = document.querySelector('#lime-painter');
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context = canvas.getContext('2d');
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pixelRatio = dpr || window.devicePixelRatio;
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painter = new Painter({
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id: 'lime-painter',
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context,
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canvas,
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pixelRatio,
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width: canvas.offsetWidth,
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height: canvas.offsetHeight,
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listen: {
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onProgress(v) {
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emit('progressChange', v);
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},
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onEffectFail(err) {
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//console.error(err)
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emit('fail', err);
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}
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}
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});
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emit('inited', true);
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};
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function save(args) {
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delete args.success;
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delete args.fail;
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clearTimeout(timer);
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timer = setTimeout(() => {
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const path = painter.save(args);
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if (typeof path == 'string') {
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const index = Math.ceil(path.length / 8);
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for (var i = 0; i < 8; i++) {
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if (i == 7) {
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emit('success', path.substr(i * index, index));
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} else {
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emit('file', path.substr(i * index, index));
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}
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};
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} else {
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// console.log('canvas no data')
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emit('fail', 'canvas no data');
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};
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}, 30);
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};
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async function source(args) {
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let size = await painter.source(args);
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emit('layoutChange', size);
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if(!canvas.height) {
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console.log('canvas no size')
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emit('fail', 'canvas no size');
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}
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painter.render().catch(err => {
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// console.error(err)
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emit('fail', err);
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});
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};
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</script>
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</body>
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</html>
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