feat(apk): scanner le QR du poste depuis l'app (ZXing.Delphi, Apache 2.0)
Le scanner du systeme demandait avec quoi ouvrir le lien. L'app ouvre la camera arriere, decode une image sur quatre et remplit URL + jeton des qu'un lien pmserver://sync est lu. Rien n'est enregistre avant Save. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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unit ZXing.OneD.UPCAReader;
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{
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* Copyright 2008 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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* Original Authors: Sean Owen
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* Delphi Implementation by E. Spelt
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}
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interface
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uses
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System.SysUtils,
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System.Generics.Collections,
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Math,
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ZXing.OneD.OneDReader,
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ZXing.Common.BitArray,
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ZXing.BinaryBitmap,
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ZXing.ReadResult,
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ZXing.DecodeHintType,
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ZXing.ResultPoint,
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ZXing.BarcodeFormat,
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ZXing.Helpers,
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ZXing.OneD.EAN13Reader,
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ZXing.OneD.UPCEANReader;
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type
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TUPCAReader = class(TUPCEANReader)
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private
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class var EAN13Reader: TUPCEANReader;
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class function maybeReturnResult(pResult: TReadResult): TReadResult; static;
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class procedure DoInitialize();
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class procedure DoFinalize();
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protected
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public
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class function DecodeMiddle(const row: IBitArray;
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const startRange: TArray<Integer>; const resultString: TStringBuilder)
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: Integer; override;
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function decode(const image: TBinaryBitmap;
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hints: TDictionary<TDecodeHintType, TObject>): TReadResult; override;
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function decodeRow(const rowNumber: Integer; const row: IBitArray;
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const hints: TDictionary<TDecodeHintType, TObject>): TReadResult;
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overload; override;
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function decodeRow(const rowNumber: Integer; const row: IBitArray;
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const startGuardRange: TArray<Integer>;
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const hints: TDictionary<TDecodeHintType, TObject>): TReadResult;
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reintroduce; overload;
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function BarcodeFormat: TBarcodeFormat; override;
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end;
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implementation
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{ TUPCAReader }
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class procedure TUPCAReader.DoFinalize;
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begin
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EAN13Reader.Free;
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end;
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class procedure TUPCAReader.DoInitialize;
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begin
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EAN13Reader := TEAN13Reader.Create();
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end;
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function TUPCAReader.decode(const image: TBinaryBitmap;
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hints: TDictionary<TDecodeHintType, TObject>): TReadResult;
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begin
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result := TUPCAReader.maybeReturnResult(self.EAN13Reader.decode(image, hints))
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end;
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class function TUPCAReader.DecodeMiddle(const row: IBitArray;
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const startRange: TArray<Integer>;
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const resultString: TStringBuilder): Integer;
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begin
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result := self.EAN13Reader.DecodeMiddle(row, startRange, resultString)
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end;
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function TUPCAReader.decodeRow(const rowNumber: Integer; const row: IBitArray;
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const hints: TDictionary<TDecodeHintType, TObject>): TReadResult;
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begin
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result := TUPCAReader.maybeReturnResult(self.EAN13Reader.decodeRow(rowNumber,
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row, hints))
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end;
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function TUPCAReader.decodeRow(const rowNumber: Integer; const row: IBitArray;
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const startGuardRange: TArray<Integer>;
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const hints: TDictionary<TDecodeHintType, TObject>): TReadResult;
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begin
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result := TUPCAReader.maybeReturnResult
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(self.EAN13Reader.doDecodeRow(rowNumber, row, startGuardRange, hints))
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end;
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function TUPCAReader.BarcodeFormat: TBarcodeFormat;
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begin
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result := TBarcodeFormat.UPC_A;
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end;
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class function TUPCAReader.maybeReturnResult(pResult: TReadResult): TReadResult;
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begin
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if not Assigned(pResult) then
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Exit(nil);
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{$ZEROBASEDSTRINGS ON}
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if (copy(pResult.text, 0, 1) = '0') then
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begin
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pResult.text := copy(pResult.text, 2, length(pResult.text));
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pResult.BarcodeFormat := TBarcodeFormat.UPC_A;
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end;
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{$ZEROBASEDSTRINGS OFF}
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result := pResult;
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end;
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initialization
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TUPCAReader.DoInitialize;
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finalization
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TUPCAReader.DoFinalize;
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end.
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