/*
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* Copyright 2014 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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extern NSArray *ZX_AZTEC_MODE_NAMES;
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extern const int ZX_AZTEC_MODE_UPPER;
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extern const int ZX_AZTEC_MODE_LOWER;
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extern const int ZX_AZTEC_MODE_DIGIT;
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extern const int ZX_AZTEC_MODE_MIXED;
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extern const int ZX_AZTEC_MODE_PUNCT;
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extern const int ZX_AZTEC_LATCH_TABLE[][5];
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#define ZX_AZTEC_SHIFT_TABLE_SIZE 6
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extern int ZX_AZTEC_SHIFT_TABLE[ZX_AZTEC_SHIFT_TABLE_SIZE][ZX_AZTEC_SHIFT_TABLE_SIZE];
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@class ZXBitArray, ZXByteArray;
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/**
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* This produces nearly optimal encodings of text into the first-level of
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* encoding used by Aztec code.
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*
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* It uses a dynamic algorithm. For each prefix of the string, it determines
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* a set of encodings that could lead to this prefix. We repeatedly add a
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* character and generate a new set of optimal encodings until we have read
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* through the entire input.
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*/
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@interface ZXAztecHighLevelEncoder : NSObject
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- (id)initWithText:(ZXByteArray *)text;
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/**
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* Convert the text represented by this High Level Encoder into a BitArray.
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*/
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- (ZXBitArray *)encode;
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@end
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