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89 lines
1.7 KiB
89 lines
1.7 KiB
<script src="/dist/tesseract.dev.js"></script>
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<script>
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function progressUpdate(packet){
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var log = document.getElementById('log');
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if(log.firstChild && log.firstChild.status === packet.status){
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if('progress' in packet){
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var progress = log.firstChild.querySelector('progress')
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progress.value = packet.progress
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}
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}else{
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var line = document.createElement('div');
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line.status = packet.status;
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var status = document.createElement('div')
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status.className = 'status'
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status.appendChild(document.createTextNode(packet.status))
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line.appendChild(status)
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if('progress' in packet){
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var progress = document.createElement('progress')
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progress.value = packet.progress
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progress.max = 1
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line.appendChild(progress)
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}
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if(packet.status == 'done'){
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var pre = document.createElement('pre')
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pre.appendChild(document.createTextNode(packet.data.text))
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line.appendChild(pre)
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}
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log.insertBefore(line, log.firstChild)
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}
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}
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function recognizeFile(file){
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Tesseract.recognize(file)
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.progress(function(packet){
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console.info(packet)
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progressUpdate(packet)
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})
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.then(function(data){
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console.log(data)
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progressUpdate({ status: 'done', data: data })
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})
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}
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</script>
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<input type="file" onchange="recognizeFile(this.files[0])">
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<div id="log"></div>
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<style>
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#log > div {
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color: #313131;
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border-top: 1px solid #dadada;
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padding: 9px;
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display: flex;
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}
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#log > div:first-child {
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border: 0;
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}
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.status {
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min-width: 250px;
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}
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#log {
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border: 1px solid #dadada;
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padding: 10px;
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margin-top: 20px;
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min-height: 100px;
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}
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body {
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font-family: sans-serif;
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margin: 30px;
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}
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progress {
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display: block;
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width: 100%;
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transition: opacity 0.5s linear;
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}
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progress[value="1"] {
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opacity: 0.5;
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}
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</style> |