/*
|
* Copyright 2013 ZXing authors
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
/**
|
* Meta-data container for QR Code decoding. Instances of this class may be used to convey information back to the
|
* decoding caller. Callers are expected to process this.
|
*
|
* @see com.google.zxing.common.DecoderResult#getOther()
|
*/
|
export default class QRCodeDecoderMetaData {
|
constructor(mirrored) {
|
this.mirrored = mirrored;
|
}
|
/**
|
* @return true if the QR Code was mirrored.
|
*/
|
isMirrored() {
|
return this.mirrored;
|
}
|
/**
|
* Apply the result points' order correction due to mirroring.
|
*
|
* @param points Array of points to apply mirror correction to.
|
*/
|
applyMirroredCorrection(points) {
|
if (!this.mirrored || points === null || points.length < 3) {
|
return;
|
}
|
const bottomLeft = points[0];
|
points[0] = points[2];
|
points[2] = bottomLeft;
|
// No need to 'fix' top-left and alignment pattern.
|
}
|
}
|
