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128 lines
3.9 KiB
Rust
128 lines
3.9 KiB
Rust
/*
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* Copyright 2007 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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// package com::google::zxing::qrcode::decoder;
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/**
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* <p>See ISO 18004:2006, 6.4.1, Tables 2 and 3. This enum encapsulates the various modes in which
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* data can be encoded to bits in the QR code standard.</p>
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*
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* @author Sean Owen
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*/
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pub enum Mode {
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// Not really a mode...
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TERMINATOR( : vec![i32; 3] = vec![0, 0, 0, ]
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, 0x00), NUMERIC( : vec![i32; 3] = vec![10, 12, 14, ]
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, 0x01), ALPHANUMERIC( : vec![i32; 3] = vec![9, 11, 13, ]
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, 0x02), // Not supported
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STRUCTURED_APPEND( : vec![i32; 3] = vec![0, 0, 0, ]
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, 0x03), BYTE( : vec![i32; 3] = vec![8, 16, 16, ]
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, 0x04), // character counts don't apply
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ECI( : vec![i32; 3] = vec![0, 0, 0, ]
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, 0x07), KANJI( : vec![i32; 3] = vec![8, 10, 12, ]
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, 0x08), FNC1_FIRST_POSITION( : vec![i32; 3] = vec![0, 0, 0, ]
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, 0x05), FNC1_SECOND_POSITION( : vec![i32; 3] = vec![0, 0, 0, ]
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, 0x09), /** See GBT 18284-2000; "Hanzi" is a transliteration of this mode name. */
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HANZI( : vec![i32; 3] = vec![8, 10, 12, ]
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, 0x0D);
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let character_count_bits_for_versions: Vec<i32>;
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let bits: i32;
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fn new( character_count_bits_for_versions: &Vec<i32>, bits: i32) -> Mode {
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let .characterCountBitsForVersions = character_count_bits_for_versions;
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let .bits = bits;
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}
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/**
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* @param bits four bits encoding a QR Code data mode
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* @return Mode encoded by these bits
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* @throws IllegalArgumentException if bits do not correspond to a known mode
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*/
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pub fn for_bits( bits: i32) -> Mode {
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match bits {
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0x0 =>
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{
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return TERMINATOR;
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}
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0x1 =>
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{
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return NUMERIC;
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}
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0x2 =>
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{
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return ALPHANUMERIC;
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}
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0x3 =>
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{
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return STRUCTURED_APPEND;
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}
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0x4 =>
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{
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return BYTE;
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}
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0x5 =>
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{
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return FNC1_FIRST_POSITION;
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}
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0x7 =>
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{
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return ECI;
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}
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0x8 =>
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{
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return KANJI;
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}
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0x9 =>
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{
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return FNC1_SECOND_POSITION;
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}
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0xD =>
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{
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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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}
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_ =>
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{
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throw IllegalArgumentException::new();
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}
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}
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}
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/**
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* @param version version in question
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* @return number of bits used, in this QR Code symbol {@link Version}, to encode the
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* count of characters that will follow encoded in this Mode
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*/
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pub fn get_character_count_bits(&self, version: &Version) -> i32 {
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let number: i32 = version.get_version_number();
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let mut offset: i32;
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if number <= 9 {
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offset = 0;
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} else if number <= 26 {
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offset = 1;
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} else {
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offset = 2;
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}
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return self.character_count_bits_for_versions[offset];
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}
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pub fn get_bits(&self) -> i32 {
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return self.bits;
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}
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}
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