DecodeHints.h

00001 // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
00002 #ifndef __DECODEHINTS_H_
00003 #define __DECODEHINTS_H_
00004 /*
00005  *  DecodeHintType.h
00006  *  zxing
00007  *
00008  *  Copyright 2010 ZXing authors All rights reserved.
00009  *
00010  * Licensed under the Apache License, Version 2.0 (the "License");
00011  * you may not use this file except in compliance with the License.
00012  * You may obtain a copy of the License at
00013  *
00014  *      http://www.apache.org/licenses/LICENSE-2.0
00015  *
00016  * Unless required by applicable law or agreed to in writing, software
00017  * distributed under the License is distributed on an "AS IS" BASIS,
00018  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00019  * See the License for the specific language governing permissions and
00020  * limitations under the License.
00021  */
00022 
00023 #include <zxing/BarcodeFormat.h>
00024 #include <zxing/ResultPointCallback.h>
00025 
00026 namespace zxing {
00027 
00028 typedef unsigned int DecodeHintType;
00029 class DecodeHints;
00030 DecodeHints operator | (DecodeHints const&, DecodeHints const&);
00031 
00032 class DecodeHints {
00033  private:
00034   DecodeHintType hints;
00035   Ref<ResultPointCallback> callback;
00036 
00037  public:
00038   static const DecodeHintType AZTEC_HINT = 1 << BarcodeFormat::AZTEC;
00039   static const DecodeHintType CODABAR_HINT = 1 << BarcodeFormat::CODABAR;
00040   static const DecodeHintType CODE_39_HINT = 1 << BarcodeFormat::CODE_39;
00041   static const DecodeHintType CODE_93_HINT = 1 << BarcodeFormat::CODE_93;
00042   static const DecodeHintType CODE_128_HINT = 1 << BarcodeFormat::CODE_128;
00043   static const DecodeHintType DATA_MATRIX_HINT = 1 << BarcodeFormat::DATA_MATRIX;
00044   static const DecodeHintType EAN_8_HINT = 1 << BarcodeFormat::EAN_8;
00045   static const DecodeHintType EAN_13_HINT = 1 << BarcodeFormat::EAN_13;
00046   static const DecodeHintType ITF_HINT = 1 << BarcodeFormat::ITF;
00047   static const DecodeHintType MAXICODE_HINT = 1 << BarcodeFormat::MAXICODE;
00048   static const DecodeHintType PDF_417_HINT = 1 << BarcodeFormat::PDF_417;
00049   static const DecodeHintType QR_CODE_HINT = 1 << BarcodeFormat::QR_CODE;
00050   static const DecodeHintType RSS_14_HINT = 1 << BarcodeFormat::RSS_14;
00051   static const DecodeHintType RSS_EXPANDED_HINT = 1 << BarcodeFormat::RSS_EXPANDED;
00052   static const DecodeHintType UPC_A_HINT = 1 << BarcodeFormat::UPC_A;
00053   static const DecodeHintType UPC_E_HINT = 1 << BarcodeFormat::UPC_E;
00054   static const DecodeHintType UPC_EAN_EXTENSION_HINT = 1 << BarcodeFormat::UPC_EAN_EXTENSION;
00055 
00056 #if defined(__ICCARM__)             //
00057   static const DecodeHintType TRYHARDER_HINT = 0x80000000;
00058 #else
00059   static const DecodeHintType TRYHARDER_HINT = 1 << 31;
00060 #endif                              //
00061   static const DecodeHintType CHARACTER_SET = 1 << 30;
00062   // static const DecodeHintType ALLOWED_LENGTHS = 1 << 29;
00063   // static const DecodeHintType ASSUME_CODE_39_CHECK_DIGIT = 1 << 28;
00064   static const DecodeHintType  ASSUME_GS1 = 1 << 27;
00065   // static const DecodeHintType NEED_RESULT_POINT_CALLBACK = 1 << 26;
00066   
00067   static const DecodeHints PRODUCT_HINT;
00068   static const DecodeHints ONED_HINT;
00069   static const DecodeHints DEFAULT_HINT;
00070 
00071   DecodeHints();
00072   DecodeHints(DecodeHintType init);
00073 
00074   void addFormat(BarcodeFormat toadd);
00075   bool containsFormat(BarcodeFormat tocheck) const;
00076   bool isEmpty() const {return (hints==0);}
00077   void clear() {hints=0;}
00078   void setTryHarder(bool toset);
00079   bool getTryHarder() const;
00080 
00081   void setResultPointCallback(Ref<ResultPointCallback> const&);
00082   Ref<ResultPointCallback> getResultPointCallback() const;
00083 
00084   friend DecodeHints operator | (DecodeHints const&, DecodeHints const&);
00085 };
00086 
00087 }
00088 
00089 #endif