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39 lines
974 B
39 lines
974 B
9 years ago
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import TesseractCore from 'tesseract.js-core'
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import pako from 'pako'
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import recognize from './recognize'
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import detect from './detect'
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var module, base, jobId
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onmessage = function(e) {
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var {action, args} = e.data;
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jobId = e.data.jobId
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console.log('worker got action', action)
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if(action == 'init'){
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module = TesseractCore({
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TOTAL_MEMORY: args.mem, //must be a multiple of 10 megabytes
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TesseractProgress(percent){
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postMessage({ jobId,
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'progress': {
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'recognized': Math.max(0,(percent-30)/70)
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}
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})
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},
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onRuntimeInitialized() {}
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})
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module.FS_createPath("/","tessdata",true,true)
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base = new module.TessBaseAPI()
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} else if(action === 'recognize'){
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var {image, options} = args
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recognize(jobId, module, base, image, options,
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(error, result) => postMessage({jobId, error, result}))
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} else if(action === 'detect'){
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detect(jobId, module, base, args.image,
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(error, result) => postMessage({jobId, error, result}))
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}
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}
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