解決済み。以下のコードを参照してください。メソッドGenerateQRCode()に、ErrorCorrectionLevelのパラメータが必要になりました。整数0-3。仕事をしているようだ。私はファイルがStackOverflowのために大きすぎるので、いくつかの変更されていない行を削除する必要がありました。あなた自身をマージしてください。
unit DelphiZXingQRCode;
// ZXing QRCode port to Delphi, by Debenu Pty Ltd
// www.debenu.com
// Original copyright notice
(*
* Copyright 2008 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.
*)
interface
type
TQRCodeEncoding = (qrAuto, qrNumeric, qrAlphanumeric, qrISO88591, qrUTF8NoBOM, qrUTF8BOM);
T2DBooleanArray = array of array of Boolean;
TDelphiZXingQRCode = class
protected
FData: WideString;
FRows: Integer;
FColumns: Integer;
FEncoding: TQRCodeEncoding;
FQuietZone: Integer;
FElements: T2DBooleanArray;
FErrorCorrectionLevel: integer;
procedure SetEncoding(NewEncoding: TQRCodeEncoding);
procedure SetData(const NewData: WideString);
procedure SetQuietZone(NewQuietZone: Integer);
procedure SetErrorCorrectionLevel(value: integer);
function GetIsBlack(Row, Column: Integer): Boolean;
procedure Update;
public
constructor Create;
property Data: WideString read FData write SetData;
property Encoding: TQRCodeEncoding read FEncoding write SetEncoding;
property ErrorCorrectionLevel: integer read fErrorCorrectionLevel write SetErrorCorrectionLevel;
property QuietZone: Integer read FQuietZone write SetQuietZone;
property Rows: Integer read FRows;
property Columns: Integer read FColumns;
property IsBlack[Row, Column: Integer]: Boolean read GetIsBlack;
end;
implementation
uses
SysUtils,
contnrs, Math, Classes;
type
TByteArray = array of Byte;
T2DByteArray = array of array of Byte;
TIntegerArray = array of Integer;
// File too large for Stackoverflow: Deleted unchanged lines.
{ TErrorCorrectionLevel }
procedure TErrorCorrectionLevel.Assign(Source: TErrorCorrectionLevel);
begin
Self.fOrdinal := Source.FOrdinal;
end;
constructor TErrorCorrectionLevel.Create(ordinalValue: integer);
begin
fOrdinal:=0;
if (ordinalValue >= 0) and (ordinalValue <=3) then
fOrdinal:=ordinalValue;
end;
function TErrorCorrectionLevel.GetBits: integer;
begin
if fOrdinal = 0 then // level L
result:=1
else
if fOrdinal = 1 then // level M
result:=0
else
if fOrdinal = 2 then // level Q
result:=3
else
if fOrdinal = 3 then // level H
result:=2
else
result:=1;
end;
// File too large for Stackoverflow: Deleted unchanged lines.
procedure TDelphiZXingQRCode.SetErrorCorrectionLevel(value: integer);
begin
if (value < 0) or (value > 3) then
raise Exception.Create('invalid error correction value. must be in range 0..3.');
if value <> fErrorCorrectionLevel then
begin
FErrorCorrectionLevel:=value;
Update;
end;
end;
procedure TDelphiZXingQRCode.SetQuietZone(NewQuietZone: Integer);
begin
if ((FQuietZone <> NewQuietZone) and (NewQuietZone >= 0) and (NewQuietZone <= 100)) then
begin
FQuietZone := NewQuietZone;
Update;
end;
end;
procedure TDelphiZXingQRCode.Update;
begin
FElements := GenerateQRCode(FData, Ord(FEncoding), FErrorCorrectionLevel);
FRows := Length(FElements) + FQuietZone * 2;
FColumns := FRows;
end;
end.
出典
2017-07-04 12:36:35
Mat
これは機能しますが、変更内容の一部を自分で推測する必要があります。とにかく、修正のおかげで、上流に送ることができますか? –