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fromCamera working; experimenting with zoom

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This commit is contained in:
Christoph Oberhofer
2017-03-23 13:47:01 +01:00
parent 242c275571
commit eb858d0c63
9 changed files with 110 additions and 58 deletions
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example/file_input.html
+1 -1
View File
@@ -77,7 +77,7 @@
</label>
<label>
<span>Half-Sample</span>
<input type="checkbox" name="locator_half-sample" />
<input checked="checked" type="checkbox" name="locator_half-sample" />
</label>
<label>
<span>Single Channel</span>
example/live_w_locator.js
+25 -20
View File
@@ -3,24 +3,29 @@ $(function() {
init : function() {
this.overlay = document.querySelector('#interactive canvas.drawing');
this.scanner = Quagga
.fromConfig(this.state);
this.state.inputStream.constraints.zoom = {exact: 2};
Quagga.fromCamera({
constraints: this.state.inputStream.constraints,
locator: this.state.locator,
decoder: this.state.decoder,
}).then(function(scanner) {
this.scanner = scanner;
this.scanner
.addEventListener("processed", drawResult.bind(this, this.scanner))
.addEventListener("detected", addToResults.bind(this, this.scanner));
this.scanner
.addEventListener("processed", drawResult.bind(this, this.scanner))
.addEventListener("detected", addToResults.bind(this, this.scanner));
this.scanner.start()
.then(function (){
console.log("started");
this.attachListeners();
}.bind(this))
.catch(function(err) {
console.log("Error: " + err);
});
this.scanner.start()
.then(function (){
console.log("started");
this.attachListeners();
}.bind(this))
.catch(function(err) {
console.error(err);
});
}.bind(this));
},
initCameraSelection: function(){
var streamLabel = Quagga.CameraAccess.getActiveStreamLabel();
initCameraSelection: function() {
var streamLabel = this.scanner.getSource().getLabel();
return Quagga.CameraAccess.enumerateVideoDevices()
.then(function(devices) {
@@ -106,8 +111,8 @@ $(function() {
if (/^(\d+)x(\d+)$/.test(value)) {
var values = value.split('x');
return {
width: {min: parseInt(values[0])},
height: {min: parseInt(values[1])}
width: {ideal: parseInt(values[0])},
height: {ideal: parseInt(values[1])}
};
}
return {
@@ -141,8 +146,8 @@ $(function() {
inputStream: {
type : "LiveStream",
constraints: {
width: {min: 640},
height: {min: 480},
width: {ideal: 640},
height: {ideal: 480},
facingMode: "environment",
aspectRatio: {min: 1, max: 2}
}