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