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quaggaJS/example/api-test.js

68 lines
1.7 KiB
JavaScript

console.log(typeof Quagga);
// creates a new instance!
var code128Scanner = Quagga
.decoder({readers: ['code_128_reader']})
.locator({patchSize: 'medium'});
var eanScanner = Quagga
.decoder({readers: ['ean_reader']})
.locator({patchSize: 'medium'});
var i2of5Scanner = Quagga
.decoder({readers: ['i2of5_reader']})
.locator({patchSize: 'small', halfSample: false});
/* eanScanner
.fromImage('../test/fixtures/ean/image-001.jpg', {size: 640})
.toPromise().then((result) => {
console.log(result.codeResult.code);
}).catch(() => {
console.log("EAN not found!");
});
i2of5Scanner
.fromImage('../test/fixtures/i2of5/image-001.jpg', {size: 800})
.addEventListener('detected', (result) => {
console.log("Detected: " + result.codeResult.code);
})
.addEventListener('processed', (result) => {
console.log("Image Processed");
})
.start(); */
/* imageReader.addEventListener('processed', (result) => {
console.log(result);
}); */
// or
// uses same canvas?
// queue image requests?
/*imageReader = customScanner
.fromImage('../test/fixtures/ean/image-002.jpg', {size: 640}); */
/*imageReader.addEventListener('processed', (result) => {
console.log(result.codeResult.code);
});*/
code128Scanner = code128Scanner
.config({frequency: 2})
.fromVideo({
constraints: {
width: 800,
height: 600,
facingMode: "environment"
}
});
code128Scanner
.addEventListener('detected', (result) => {
console.log(result);
})
.addEventListener('processed', result => {
console.log("Processed");
})
.start();