/* * Copyright 2007 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. */ // package com::google::zxing::qrcode::decoder; /** * See ISO 18004:2006 Annex D * * @author Sean Owen */ /** * See ISO 18004:2006 Annex D. * Element i represents the raw version bits that specify version i + 7 */ const VERSION_DECODE_INFO: vec![Vec; 34] = vec![0x07C94, 0x085BC, 0x09A99, 0x0A4D3, 0x0BBF6, 0x0C762, 0x0D847, 0x0E60D, 0x0F928, 0x10B78, 0x1145D, 0x12A17, 0x13532, 0x149A6, 0x15683, 0x168C9, 0x177EC, 0x18EC4, 0x191E1, 0x1AFAB, 0x1B08E, 0x1CC1A, 0x1D33F, 0x1ED75, 0x1F250, 0x209D5, 0x216F0, 0x228BA, 0x2379F, 0x24B0B, 0x2542E, 0x26A64, 0x27541, 0x28C69, ] ; const VERSIONS: Vec = ::build_versions(); pub struct Version { let version_number: i32; let alignment_pattern_centers: Vec; let ec_blocks: Vec; let total_codewords: i32; } impl Version { fn new( version_number: i32, alignment_pattern_centers: &Vec, ec_blocks: &ECBlocks) -> Version { let .versionNumber = version_number; let .alignmentPatternCenters = alignment_pattern_centers; let .ecBlocks = ec_blocks; let mut total: i32 = 0; let ec_codewords: i32 = ec_blocks[0].get_e_c_codewords_per_block(); let ecb_array: Vec = ec_blocks[0].get_e_c_blocks(); for let ec_block: ECB in ecb_array { total += ec_block.get_count() * (ec_block.get_data_codewords() + ec_codewords); } let .totalCodewords = total; } pub fn get_version_number(&self) -> i32 { return self.version_number; } pub fn get_alignment_pattern_centers(&self) -> Vec { return self.alignment_pattern_centers; } pub fn get_total_codewords(&self) -> i32 { return self.total_codewords; } pub fn get_dimension_for_version(&self) -> i32 { return 17 + 4 * self.version_number; } pub fn get_e_c_blocks_for_level(&self, ec_level: &ErrorCorrectionLevel) -> ECBlocks { return self.ec_blocks[ec_level.ordinal()]; } /** *

Deduces version information purely from QR Code dimensions.

* * @param dimension dimension in modules * @return Version for a QR Code of that dimension * @throws FormatException if dimension is not 1 mod 4 */ pub fn get_provisional_version_for_dimension( dimension: i32) -> /* throws FormatException */Result> { if dimension % 4 != 1 { throw FormatException::get_format_instance(); } let tryResult1 = 0; 'try1: loop { { return Ok(::get_version_for_number((dimension - 17) / 4)); } break 'try1 } match tryResult1 { catch ( ignored: &IllegalArgumentException) { throw FormatException::get_format_instance(); } 0 => break } } pub fn get_version_for_number( version_number: i32) -> Version { if version_number < 1 || version_number > 40 { throw IllegalArgumentException::new(); } return VERSIONS[version_number - 1]; } fn decode_version_information( version_bits: i32) -> Version { let best_difference: i32 = Integer::MAX_VALUE; let best_version: i32 = 0; { let mut i: i32 = 0; while i < VERSION_DECODE_INFO.len() { { let target_version: i32 = VERSION_DECODE_INFO[i]; // Do the version info bits match exactly? done. if target_version == version_bits { return ::get_version_for_number(i + 7); } // Otherwise see if this is the closest to a real version info bit string // we have seen so far let bits_difference: i32 = FormatInformation::num_bits_differing(version_bits, target_version); if bits_difference < best_difference { best_version = i + 7; best_difference = bits_difference; } } i += 1; } } // differ in less than 8 bits. if best_difference <= 3 { return ::get_version_for_number(best_version); } // If we didn't find a close enough match, fail return null; } /** * See ISO 18004:2006 Annex E */ fn build_function_pattern(&self) -> BitMatrix { let dimension: i32 = self.get_dimension_for_version(); let bit_matrix: BitMatrix = BitMatrix::new(dimension); // Top left finder pattern + separator + format bit_matrix.set_region(0, 0, 9, 9); // Top right finder pattern + separator + format bit_matrix.set_region(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bit_matrix.set_region(0, dimension - 8, 9, 8); // Alignment patterns let max: i32 = self.alignment_pattern_centers.len(); { let mut x: i32 = 0; while x < max { { let i: i32 = self.alignment_pattern_centers[x] - 2; { let mut y: i32 = 0; while y < max { { if (x != 0 || (y != 0 && y != max - 1)) && (x != max - 1 || y != 0) { bit_matrix.set_region(self.alignment_pattern_centers[y] - 2, i, 5, 5); } // else no o alignment patterns near the three finder patterns } y += 1; } } } x += 1; } } // Vertical timing pattern bit_matrix.set_region(6, 9, 1, dimension - 17); // Horizontal timing pattern bit_matrix.set_region(9, 6, dimension - 17, 1); if self.version_number > 6 { // Version info, top right bit_matrix.set_region(dimension - 11, 0, 3, 6); // Version info, bottom left bit_matrix.set_region(0, dimension - 11, 6, 3); } return bit_matrix; } /** *

Encapsulates a set of error-correction blocks in one symbol version. Most versions will * use blocks of differing sizes within one version, so, this encapsulates the parameters for * each set of blocks. It also holds the number of error-correction codewords per block since it * will be the same across all blocks within one version.

*/ pub struct ECBlocks { let ec_codewords_per_block: i32; let ec_blocks: Vec; } impl ECBlocks { fn new( ec_codewords_per_block: i32, ec_blocks: &ECB) -> ECBlocks { let .ecCodewordsPerBlock = ec_codewords_per_block; let .ecBlocks = ec_blocks; } pub fn get_e_c_codewords_per_block(&self) -> i32 { return self.ec_codewords_per_block; } pub fn get_num_blocks(&self) -> i32 { let mut total: i32 = 0; for let ec_block: ECB in self.ec_blocks { total += ec_block.get_count(); } return total; } pub fn get_total_e_c_codewords(&self) -> i32 { return self.ec_codewords_per_block * self.get_num_blocks(); } pub fn get_e_c_blocks(&self) -> Vec { return self.ec_blocks; } } /** *

Encapsulates the parameters for one error-correction block in one symbol version. * This includes the number of data codewords, and the number of times a block with these * parameters is used consecutively in the QR code version's format.

*/ pub struct ECB { let count: i32; let data_codewords: i32; } impl ECB { fn new( count: i32, data_codewords: i32) -> ECB { let .count = count; let .dataCodewords = data_codewords; } pub fn get_count(&self) -> i32 { return self.count; } pub fn get_data_codewords(&self) -> i32 { return self.data_codewords; } } pub fn to_string(&self) -> String { return String::value_of(self.version_number); } /** * See ISO 18004:2006 6.5.1 Table 9 */ fn build_versions() -> Vec { return : vec![Version; 40] = vec![Version::new(1, , ECBlocks::new(7, ECB::new(1, 19)), ECBlocks::new(10, ECB::new(1, 16)), ECBlocks::new(13, ECB::new(1, 13)), ECBlocks::new(17, ECB::new(1, 9))), Version::new(2, : vec![i32; 2] = vec![6, 18, ] , ECBlocks::new(10, ECB::new(1, 34)), ECBlocks::new(16, ECB::new(1, 28)), ECBlocks::new(22, ECB::new(1, 22)), ECBlocks::new(28, ECB::new(1, 16))), Version::new(3, : vec![i32; 2] = vec![6, 22, ] , ECBlocks::new(15, ECB::new(1, 55)), ECBlocks::new(26, ECB::new(1, 44)), ECBlocks::new(18, ECB::new(2, 17)), ECBlocks::new(22, ECB::new(2, 13))), Version::new(4, : vec![i32; 2] = vec![6, 26, ] , ECBlocks::new(20, ECB::new(1, 80)), ECBlocks::new(18, ECB::new(2, 32)), ECBlocks::new(26, ECB::new(2, 24)), ECBlocks::new(16, ECB::new(4, 9))), Version::new(5, : vec![i32; 2] = vec![6, 30, ] , ECBlocks::new(26, ECB::new(1, 108)), ECBlocks::new(24, ECB::new(2, 43)), ECBlocks::new(18, ECB::new(2, 15), ECB::new(2, 16)), ECBlocks::new(22, ECB::new(2, 11), ECB::new(2, 12))), Version::new(6, : vec![i32; 2] = vec![6, 34, ] , ECBlocks::new(18, ECB::new(2, 68)), ECBlocks::new(16, ECB::new(4, 27)), ECBlocks::new(24, ECB::new(4, 19)), ECBlocks::new(28, ECB::new(4, 15))), Version::new(7, : vec![i32; 3] = vec![6, 22, 38, ] , ECBlocks::new(20, ECB::new(2, 78)), ECBlocks::new(18, ECB::new(4, 31)), ECBlocks::new(18, ECB::new(2, 14), ECB::new(4, 15)), ECBlocks::new(26, ECB::new(4, 13), ECB::new(1, 14))), Version::new(8, : vec![i32; 3] = vec![6, 24, 42, ] , ECBlocks::new(24, ECB::new(2, 97)), ECBlocks::new(22, ECB::new(2, 38), ECB::new(2, 39)), ECBlocks::new(22, ECB::new(4, 18), ECB::new(2, 19)), ECBlocks::new(26, ECB::new(4, 14), ECB::new(2, 15))), Version::new(9, : vec![i32; 3] = vec![6, 26, 46, ] , ECBlocks::new(30, ECB::new(2, 116)), ECBlocks::new(22, ECB::new(3, 36), ECB::new(2, 37)), ECBlocks::new(20, ECB::new(4, 16), ECB::new(4, 17)), ECBlocks::new(24, ECB::new(4, 12), ECB::new(4, 13))), Version::new(10, : vec![i32; 3] = vec![6, 28, 50, ] , ECBlocks::new(18, ECB::new(2, 68), ECB::new(2, 69)), ECBlocks::new(26, ECB::new(4, 43), ECB::new(1, 44)), ECBlocks::new(24, ECB::new(6, 19), ECB::new(2, 20)), ECBlocks::new(28, ECB::new(6, 15), ECB::new(2, 16))), Version::new(11, : vec![i32; 3] = vec![6, 30, 54, ] , ECBlocks::new(20, ECB::new(4, 81)), ECBlocks::new(30, ECB::new(1, 50), ECB::new(4, 51)), ECBlocks::new(28, ECB::new(4, 22), ECB::new(4, 23)), ECBlocks::new(24, ECB::new(3, 12), ECB::new(8, 13))), Version::new(12, : vec![i32; 3] = vec![6, 32, 58, ] , ECBlocks::new(24, ECB::new(2, 92), ECB::new(2, 93)), ECBlocks::new(22, ECB::new(6, 36), ECB::new(2, 37)), ECBlocks::new(26, ECB::new(4, 20), ECB::new(6, 21)), ECBlocks::new(28, ECB::new(7, 14), ECB::new(4, 15))), Version::new(13, : vec![i32; 3] = vec![6, 34, 62, ] , ECBlocks::new(26, ECB::new(4, 107)), ECBlocks::new(22, ECB::new(8, 37), ECB::new(1, 38)), ECBlocks::new(24, ECB::new(8, 20), ECB::new(4, 21)), ECBlocks::new(22, ECB::new(12, 11), ECB::new(4, 12))), Version::new(14, : vec![i32; 4] = vec![6, 26, 46, 66, ] , ECBlocks::new(30, ECB::new(3, 115), ECB::new(1, 116)), ECBlocks::new(24, ECB::new(4, 40), ECB::new(5, 41)), ECBlocks::new(20, ECB::new(11, 16), ECB::new(5, 17)), ECBlocks::new(24, ECB::new(11, 12), ECB::new(5, 13))), Version::new(15, : vec![i32; 4] = vec![6, 26, 48, 70, ] , ECBlocks::new(22, ECB::new(5, 87), ECB::new(1, 88)), ECBlocks::new(24, ECB::new(5, 41), ECB::new(5, 42)), ECBlocks::new(30, ECB::new(5, 24), ECB::new(7, 25)), ECBlocks::new(24, ECB::new(11, 12), ECB::new(7, 13))), Version::new(16, : vec![i32; 4] = vec![6, 26, 50, 74, ] , ECBlocks::new(24, ECB::new(5, 98), ECB::new(1, 99)), ECBlocks::new(28, ECB::new(7, 45), ECB::new(3, 46)), ECBlocks::new(24, ECB::new(15, 19), ECB::new(2, 20)), ECBlocks::new(30, ECB::new(3, 15), ECB::new(13, 16))), Version::new(17, : vec![i32; 4] = vec![6, 30, 54, 78, ] , ECBlocks::new(28, ECB::new(1, 107), ECB::new(5, 108)), ECBlocks::new(28, ECB::new(10, 46), ECB::new(1, 47)), ECBlocks::new(28, ECB::new(1, 22), ECB::new(15, 23)), ECBlocks::new(28, ECB::new(2, 14), ECB::new(17, 15))), Version::new(18, : vec![i32; 4] = vec![6, 30, 56, 82, ] , ECBlocks::new(30, ECB::new(5, 120), ECB::new(1, 121)), ECBlocks::new(26, ECB::new(9, 43), ECB::new(4, 44)), ECBlocks::new(28, ECB::new(17, 22), ECB::new(1, 23)), ECBlocks::new(28, ECB::new(2, 14), ECB::new(19, 15))), Version::new(19, : vec![i32; 4] = vec![6, 30, 58, 86, ] , ECBlocks::new(28, ECB::new(3, 113), ECB::new(4, 114)), ECBlocks::new(26, ECB::new(3, 44), ECB::new(11, 45)), ECBlocks::new(26, ECB::new(17, 21), ECB::new(4, 22)), ECBlocks::new(26, ECB::new(9, 13), ECB::new(16, 14))), Version::new(20, : vec![i32; 4] = vec![6, 34, 62, 90, ] , ECBlocks::new(28, ECB::new(3, 107), ECB::new(5, 108)), ECBlocks::new(26, ECB::new(3, 41), ECB::new(13, 42)), ECBlocks::new(30, ECB::new(15, 24), ECB::new(5, 25)), ECBlocks::new(28, ECB::new(15, 15), ECB::new(10, 16))), Version::new(21, : vec![i32; 5] = vec![6, 28, 50, 72, 94, ] , ECBlocks::new(28, ECB::new(4, 116), ECB::new(4, 117)), ECBlocks::new(26, ECB::new(17, 42)), ECBlocks::new(28, ECB::new(17, 22), ECB::new(6, 23)), ECBlocks::new(30, ECB::new(19, 16), ECB::new(6, 17))), Version::new(22, : vec![i32; 5] = vec![6, 26, 50, 74, 98, ] , ECBlocks::new(28, ECB::new(2, 111), ECB::new(7, 112)), ECBlocks::new(28, ECB::new(17, 46)), ECBlocks::new(30, ECB::new(7, 24), ECB::new(16, 25)), ECBlocks::new(24, ECB::new(34, 13))), Version::new(23, : vec![i32; 5] = vec![6, 30, 54, 78, 102, ] , ECBlocks::new(30, ECB::new(4, 121), ECB::new(5, 122)), ECBlocks::new(28, ECB::new(4, 47), ECB::new(14, 48)), ECBlocks::new(30, ECB::new(11, 24), ECB::new(14, 25)), ECBlocks::new(30, ECB::new(16, 15), ECB::new(14, 16))), Version::new(24, : vec![i32; 5] = vec![6, 28, 54, 80, 106, ] , ECBlocks::new(30, ECB::new(6, 117), ECB::new(4, 118)), ECBlocks::new(28, ECB::new(6, 45), ECB::new(14, 46)), ECBlocks::new(30, ECB::new(11, 24), ECB::new(16, 25)), ECBlocks::new(30, ECB::new(30, 16), ECB::new(2, 17))), Version::new(25, : vec![i32; 5] = vec![6, 32, 58, 84, 110, ] , ECBlocks::new(26, ECB::new(8, 106), ECB::new(4, 107)), ECBlocks::new(28, ECB::new(8, 47), ECB::new(13, 48)), ECBlocks::new(30, ECB::new(7, 24), ECB::new(22, 25)), ECBlocks::new(30, ECB::new(22, 15), ECB::new(13, 16))), Version::new(26, : vec![i32; 5] = vec![6, 30, 58, 86, 114, ] , ECBlocks::new(28, ECB::new(10, 114), ECB::new(2, 115)), ECBlocks::new(28, ECB::new(19, 46), ECB::new(4, 47)), ECBlocks::new(28, ECB::new(28, 22), ECB::new(6, 23)), ECBlocks::new(30, ECB::new(33, 16), ECB::new(4, 17))), Version::new(27, : vec![i32; 5] = vec![6, 34, 62, 90, 118, ] , ECBlocks::new(30, ECB::new(8, 122), ECB::new(4, 123)), ECBlocks::new(28, ECB::new(22, 45), ECB::new(3, 46)), ECBlocks::new(30, ECB::new(8, 23), ECB::new(26, 24)), ECBlocks::new(30, ECB::new(12, 15), ECB::new(28, 16))), Version::new(28, : vec![i32; 6] = vec![6, 26, 50, 74, 98, 122, ] , ECBlocks::new(30, ECB::new(3, 117), ECB::new(10, 118)), ECBlocks::new(28, ECB::new(3, 45), ECB::new(23, 46)), ECBlocks::new(30, ECB::new(4, 24), ECB::new(31, 25)), ECBlocks::new(30, ECB::new(11, 15), ECB::new(31, 16))), Version::new(29, : vec![i32; 6] = vec![6, 30, 54, 78, 102, 126, ] , ECBlocks::new(30, ECB::new(7, 116), ECB::new(7, 117)), ECBlocks::new(28, ECB::new(21, 45), ECB::new(7, 46)), ECBlocks::new(30, ECB::new(1, 23), ECB::new(37, 24)), ECBlocks::new(30, ECB::new(19, 15), ECB::new(26, 16))), Version::new(30, : vec![i32; 6] = vec![6, 26, 52, 78, 104, 130, ] , ECBlocks::new(30, ECB::new(5, 115), ECB::new(10, 116)), ECBlocks::new(28, ECB::new(19, 47), ECB::new(10, 48)), ECBlocks::new(30, ECB::new(15, 24), ECB::new(25, 25)), ECBlocks::new(30, ECB::new(23, 15), ECB::new(25, 16))), Version::new(31, : vec![i32; 6] = vec![6, 30, 56, 82, 108, 134, ] , ECBlocks::new(30, ECB::new(13, 115), ECB::new(3, 116)), ECBlocks::new(28, ECB::new(2, 46), ECB::new(29, 47)), ECBlocks::new(30, ECB::new(42, 24), ECB::new(1, 25)), ECBlocks::new(30, ECB::new(23, 15), ECB::new(28, 16))), Version::new(32, : vec![i32; 6] = vec![6, 34, 60, 86, 112, 138, ] , ECBlocks::new(30, ECB::new(17, 115)), ECBlocks::new(28, ECB::new(10, 46), ECB::new(23, 47)), ECBlocks::new(30, ECB::new(10, 24), ECB::new(35, 25)), ECBlocks::new(30, ECB::new(19, 15), ECB::new(35, 16))), Version::new(33, : vec![i32; 6] = vec![6, 30, 58, 86, 114, 142, ] , ECBlocks::new(30, ECB::new(17, 115), ECB::new(1, 116)), ECBlocks::new(28, ECB::new(14, 46), ECB::new(21, 47)), ECBlocks::new(30, ECB::new(29, 24), ECB::new(19, 25)), ECBlocks::new(30, ECB::new(11, 15), ECB::new(46, 16))), Version::new(34, : vec![i32; 6] = vec![6, 34, 62, 90, 118, 146, ] , ECBlocks::new(30, ECB::new(13, 115), ECB::new(6, 116)), ECBlocks::new(28, ECB::new(14, 46), ECB::new(23, 47)), ECBlocks::new(30, ECB::new(44, 24), ECB::new(7, 25)), ECBlocks::new(30, ECB::new(59, 16), ECB::new(1, 17))), Version::new(35, : vec![i32; 7] = vec![6, 30, 54, 78, 102, 126, 150, ] , ECBlocks::new(30, ECB::new(12, 121), ECB::new(7, 122)), ECBlocks::new(28, ECB::new(12, 47), ECB::new(26, 48)), ECBlocks::new(30, ECB::new(39, 24), ECB::new(14, 25)), ECBlocks::new(30, ECB::new(22, 15), ECB::new(41, 16))), Version::new(36, : vec![i32; 7] = vec![6, 24, 50, 76, 102, 128, 154, ] , ECBlocks::new(30, ECB::new(6, 121), ECB::new(14, 122)), ECBlocks::new(28, ECB::new(6, 47), ECB::new(34, 48)), ECBlocks::new(30, ECB::new(46, 24), ECB::new(10, 25)), ECBlocks::new(30, ECB::new(2, 15), ECB::new(64, 16))), Version::new(37, : vec![i32; 7] = vec![6, 28, 54, 80, 106, 132, 158, ] , ECBlocks::new(30, ECB::new(17, 122), ECB::new(4, 123)), ECBlocks::new(28, ECB::new(29, 46), ECB::new(14, 47)), ECBlocks::new(30, ECB::new(49, 24), ECB::new(10, 25)), ECBlocks::new(30, ECB::new(24, 15), ECB::new(46, 16))), Version::new(38, : vec![i32; 7] = vec![6, 32, 58, 84, 110, 136, 162, ] , ECBlocks::new(30, ECB::new(4, 122), ECB::new(18, 123)), ECBlocks::new(28, ECB::new(13, 46), ECB::new(32, 47)), ECBlocks::new(30, ECB::new(48, 24), ECB::new(14, 25)), ECBlocks::new(30, ECB::new(42, 15), ECB::new(32, 16))), Version::new(39, : vec![i32; 7] = vec![6, 26, 54, 82, 110, 138, 166, ] , ECBlocks::new(30, ECB::new(20, 117), ECB::new(4, 118)), ECBlocks::new(28, ECB::new(40, 47), ECB::new(7, 48)), ECBlocks::new(30, ECB::new(43, 24), ECB::new(22, 25)), ECBlocks::new(30, ECB::new(10, 15), ECB::new(67, 16))), Version::new(40, : vec![i32; 7] = vec![6, 30, 58, 86, 114, 142, 170, ] , ECBlocks::new(30, ECB::new(19, 118), ECB::new(6, 119)), ECBlocks::new(28, ECB::new(18, 47), ECB::new(31, 48)), ECBlocks::new(30, ECB::new(34, 24), ECB::new(34, 25)), ECBlocks::new(30, ECB::new(20, 15), ECB::new(61, 16))), ] ; } }