mirror of https://github.com/status-im/qzxing.git
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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/*
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* Mode.cpp
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* zxing
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*
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* Created by Christian Brunschen on 19/05/2008.
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* Copyright 2008 ZXing authors All rights reserved.
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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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#include <zxing/qrcode/decoder/Mode.h>
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#include <zxing/common/Counted.h>
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#include <zxing/ReaderException.h>
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#include <zxing/qrcode/Version.h>
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#include <sstream>
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using zxing::qrcode::Mode;
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using std::ostringstream;
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Mode Mode::TERMINATOR(0, 0, 0, 0x00, "TERMINATOR");
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Mode Mode::NUMERIC(10, 12, 14, 0x01, "NUMERIC");
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Mode Mode::ALPHANUMERIC(9, 11, 13, 0x02, "ALPHANUMERIC");
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Mode Mode::STRUCTURED_APPEND(0, 0, 0, 0x03, "STRUCTURED_APPEND");
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Mode Mode::BYTE(8, 16, 16, 0x04, "BYTE");
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Mode Mode::ECI(0, 0, 0, 0x07, "ECI");
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Mode Mode::KANJI(8, 10, 12, 0x08, "KANJI");
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Mode Mode::FNC1_FIRST_POSITION(0, 0, 0, 0x05, "FNC1_FIRST_POSITION");
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Mode Mode::FNC1_SECOND_POSITION(0, 0, 0, 0x09, "FNC1_SECOND_POSITION");
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Mode Mode::HANZI(8, 10, 12, 0x0D, "HANZI");
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Mode::Mode(int cbv0_9, int cbv10_26, int cbv27, int bits, char const* name) :
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characterCountBitsForVersions0To9_(cbv0_9), characterCountBitsForVersions10To26_(cbv10_26),
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characterCountBitsForVersions27AndHigher_(cbv27), bits_(bits), name_(name) {
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}
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Mode& Mode::forBits(int bits) {
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switch (bits) {
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case 0x0:
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return TERMINATOR;
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case 0x1:
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return NUMERIC;
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case 0x2:
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return ALPHANUMERIC;
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case 0x3:
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return STRUCTURED_APPEND;
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case 0x4:
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return BYTE;
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case 0x5:
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return FNC1_FIRST_POSITION;
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case 0x7:
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return ECI;
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case 0x8:
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return KANJI;
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case 0x9:
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return FNC1_SECOND_POSITION;
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case 0xD:
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// 0xD is defined in GBT 18284-2000, may not be supported in foreign country
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return HANZI;
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default:
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ostringstream s;
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s << "Illegal mode bits: " << bits;
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throw ReaderException(s.str().c_str());
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}
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}
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int Mode::getCharacterCountBits(Version *version) {
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int number = version->getVersionNumber();
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if (number <= 9) {
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return characterCountBitsForVersions0To9_;
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} else if (number <= 26) {
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return characterCountBitsForVersions10To26_;
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} else {
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return characterCountBitsForVersions27AndHigher_;
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}
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}
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