mirror of
https://github.com/starovoid/rxing.git
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port: migrate to new cpp Version / FormatInformation
This commit is contained in:
@@ -1,43 +1,48 @@
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use crate::qrcode::decoder::{
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ErrorCorrectionLevel, FormatInformation, FORMAT_INFO_DECODE_LOOKUP, FORMAT_INFO_MASK_QR,
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use crate::qrcode::{
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cpp_port::Type,
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decoder::{
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ErrorCorrectionLevel, FormatInformation, FORMAT_INFO_DECODE_LOOKUP,
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FORMAT_INFO_MASK_MODEL2, FORMAT_INFO_MASK_QR,
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},
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};
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pub const FORMAT_INFO_MASK_QR_MODEL1: u32 = 0x2825;
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pub const FORMAT_INFO_MASK_MICRO: u32 = 0x4445;
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pub const FORMAT_INFO_DECODE_LOOKUP_MICRO: [[u32; 2]; 32] = [
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[0x4445, 0x00],
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[0x4172, 0x01],
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[0x4E2B, 0x02],
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[0x4B1C, 0x03],
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[0x55AE, 0x04],
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[0x5099, 0x05],
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[0x5FC0, 0x06],
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[0x5AF7, 0x07],
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[0x6793, 0x08],
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[0x62A4, 0x09],
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[0x6DFD, 0x0A],
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[0x68CA, 0x0B],
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[0x7678, 0x0C],
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[0x734F, 0x0D],
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[0x7C16, 0x0E],
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[0x7921, 0x0F],
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[0x06DE, 0x10],
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[0x03E9, 0x11],
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[0x0CB0, 0x12],
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[0x0987, 0x13],
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[0x1735, 0x14],
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[0x1202, 0x15],
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[0x1D5B, 0x16],
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[0x186C, 0x17],
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[0x2508, 0x18],
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[0x203F, 0x19],
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[0x2F66, 0x1A],
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[0x2A51, 0x1B],
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[0x34E3, 0x1C],
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[0x31D4, 0x1D],
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[0x3E8D, 0x1E],
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[0x3BBA, 0x1F],
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];
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// pub const FORMAT_INFO_DECODE_LOOKUP_MICRO: [u32 ;32] = [
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// 0x4445,
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// 0x4172,
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// 0x4E2B,
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// 0x4B1C,
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// 0x55AE,
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// 0x5099,
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// 0x5FC0,
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// 0x5AF7,
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// 0x6793,
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// 0x62A4,
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// 0x6DFD,
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// 0x68CA,
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// 0x7678,
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// 0x734F,
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// 0x7C16,
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// 0x7921,
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// 0x06DE,
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// 0x03E9,
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// 0x0CB0,
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// 0x0987,
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// 0x1735,
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// 0x1202,
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// 0x1D5B,
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// 0x186C,
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// 0x2508,
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// 0x203F,
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// 0x2F66,
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// 0x2A51,
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// 0x34E3,
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// 0x31D4,
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// 0x3E8D,
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// 0x3BBA,
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// ];
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impl FormatInformation {
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/**
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@@ -51,9 +56,9 @@ impl FormatInformation {
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);
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let formatInfoBits2 =
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((formatInfoBits2 >> 1) & 0b111111100000000) | (formatInfoBits2 & 0b11111111);
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// Some (Model2) QR codes apparently do not apply the XOR mask. Try with (standard) and without (quirk) masking.
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let mut fi = Self::FindBestFormatInfo(
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&[0, FORMAT_INFO_MASK_QR],
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FORMAT_INFO_DECODE_LOOKUP,
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&[FORMAT_INFO_MASK_QR, 0, FORMAT_INFO_MASK_QR_MODEL1],
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&[
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formatInfoBits1,
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formatInfoBits2,
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@@ -62,26 +67,10 @@ impl FormatInformation {
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],
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);
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let mut fi_model1 = Self::FindBestFormatInfo(
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&[FORMAT_INFO_MASK_QR ^ FORMAT_INFO_MASK_QR_MODEL1],
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FORMAT_INFO_DECODE_LOOKUP,
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&[
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formatInfoBits1,
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formatInfoBits2,
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Self::MirrorBits(formatInfoBits1),
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mirroredFormatInfoBits2,
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],
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);
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if fi_model1.hammingDistance < fi.hammingDistance {
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fi_model1.isModel1 = true;
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fi = fi_model1;
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}
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// Use bits 3/4 for error correction, and 0-2 for mask.
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fi.error_correction_level =
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ErrorCorrectionLevel::ECLevelFromBits((fi.index >> 3) & 0x03, false);
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fi.data_mask = fi.index & 0x07;
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ErrorCorrectionLevel::ECLevelFromBits((fi.data >> 3) as u8 & 0x03, false);
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fi.data_mask = fi.data as u8 & 0x07;
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fi.isMirrored = fi.bitsIndex > 1;
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fi
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@@ -90,8 +79,7 @@ impl FormatInformation {
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pub fn DecodeMQR(formatInfoBits: u32) -> Self {
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// We don't use the additional masking (with 0x4445) to work around potentially non complying MicroQRCode encoders
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let mut fi = Self::FindBestFormatInfo(
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&[0],
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FORMAT_INFO_DECODE_LOOKUP_MICRO,
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&[FORMAT_INFO_MASK_MICRO, 0],
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&[formatInfoBits, Self::MirrorBits(formatInfoBits)],
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);
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@@ -99,9 +87,9 @@ impl FormatInformation {
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// Bits 2/3/4 contain both error correction level and version, 0/1 contain mask.
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fi.error_correction_level =
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ErrorCorrectionLevel::ECLevelFromBits((fi.index >> 2) & 0x07, true);
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fi.data_mask = fi.index & 0x03;
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fi.microVersion = BITS_TO_VERSION[((fi.index >> 2) & 0x07) as usize] as u32;
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ErrorCorrectionLevel::ECLevelFromBits((fi.data >> 2) as u8 & 0x07, true);
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fi.data_mask = fi.data as u8 & 0x03;
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fi.microVersion = BITS_TO_VERSION[((fi.data >> 2) as u8 & 0x07) as usize] as u32;
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fi.isMirrored = fi.bitsIndex == 1;
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fi
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@@ -112,21 +100,30 @@ impl FormatInformation {
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(bits.reverse_bits()) >> 17
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}
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pub fn FindBestFormatInfo(masks: &[u32], lookup: [[u32; 2]; 32], bits: &[u32]) -> Self {
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pub fn FindBestFormatInfo(masks: &[u32], bits: &[u32]) -> Self {
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let mut fi = FormatInformation::default();
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// Some QR codes apparently do not apply the XOR mask. Try without and with additional masking.
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// See ISO 18004:2015, Annex C, Table C.1
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const MODEL2_MASKED_PATTERNS: [u32; 32] = [
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0x5412, 0x5125, 0x5E7C, 0x5B4B, 0x45F9, 0x40CE, 0x4F97, 0x4AA0, 0x77C4, 0x72F3, 0x7DAA,
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0x789D, 0x662F, 0x6318, 0x6C41, 0x6976, 0x1689, 0x13BE, 0x1CE7, 0x19D0, 0x0762, 0x0255,
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0x0D0C, 0x083B, 0x355F, 0x3068, 0x3F31, 0x3A06, 0x24B4, 0x2183, 0x2EDA, 0x2BED,
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];
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for mask in masks {
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// for (auto mask : {0, mask})
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for (bitsIndex, bit_set) in bits.iter().enumerate() {
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// for (auto mask : masks)
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for bitsIndex in 0..bits.len() {
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// for (int bitsIndex = 0; bitsIndex < Size(bits); ++bitsIndex)
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for [pattern, index] in lookup {
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// for (const auto& [pattern, index] : lookup) {
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// Find the int in lookup with fewest bits differing
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let hammingDist = ((bit_set ^ mask) ^ pattern).count_ones();
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for ref_pattern in MODEL2_MASKED_PATTERNS {
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// for (uint32_t pattern : MODEL2_MASKED_PATTERNS) {
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// 'unmask' the pattern first to get the original 5-data bits + 10-ec bits back
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let pattern = ref_pattern ^ FORMAT_INFO_MASK_MODEL2;
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// Find the pattern with fewest bits differing
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let hammingDist = ((bits[bitsIndex] ^ mask) ^ pattern).count_ones();
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// if (int hammingDist = BitHacks::CountBitsSet((bits[bitsIndex] ^ mask) ^ pattern);
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if hammingDist < fi.hammingDistance {
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// if (int hammingDist = BitHacks::CountBitsSet((bits[bitsIndex] ^ mask) ^ pattern); hammingDist < fi.hammingDistance) {
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fi.index = index as u8;
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fi.mask = *mask; // store the used mask to discriminate between types/models
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fi.data = pattern >> 10; // drop the 10 BCH error correction bits
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fi.hammingDistance = hammingDist;
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fi.bitsIndex = bitsIndex as u8;
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}
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@@ -134,9 +131,37 @@ impl FormatInformation {
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}
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}
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// // Some QR codes apparently do not apply the XOR mask. Try without and with additional masking.
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// for mask in masks {
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// // for (auto mask : {0, mask})
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// for (bitsIndex, bit_set) in bits.iter().enumerate() {
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// // for (int bitsIndex = 0; bitsIndex < Size(bits); ++bitsIndex)
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// for [pattern, _index] in FORMAT_INFO_DECODE_LOOKUP {
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// // for (const auto& [pattern, index] : lookup) {
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// // Find the int in lookup with fewest bits differing
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// let hammingDist = ((bit_set ^ mask) ^ pattern).count_ones();
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// if hammingDist < fi.hammingDistance {
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// // if (int hammingDist = BitHacks::CountBitsSet((bits[bitsIndex] ^ mask) ^ pattern); hammingDist < fi.hammingDistance) {
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// fi.mask = *mask; // store the used mask to discriminate between types/models
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// fi.data = pattern >> 10; // drop the 10 BCH error correction bits
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// fi.hammingDistance = hammingDist;
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// fi.bitsIndex = bitsIndex as u8;
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// }
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// }
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// }
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// }
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fi
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}
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pub fn qr_type(&self) -> Type {
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match self.mask {
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FORMAT_INFO_MASK_QR_MODEL1 => Type::Model1,
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FORMAT_INFO_MASK_MICRO => Type::Micro,
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_ => Type::Model2,
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}
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}
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// Hamming distance of the 32 masked codes is 7, by construction, so <= 3 bits differing means we found a match
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pub fn isValid(&self) -> bool {
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self.hammingDistance <= 3
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@@ -145,5 +170,6 @@ impl FormatInformation {
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pub fn cpp_eq(&self, other: &Self) -> bool {
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self.data_mask == other.data_mask
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&& self.error_correction_level == other.error_correction_level
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&& self.qr_type() == other.qr_type()
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}
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}
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@@ -1,60 +1,40 @@
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use crate::common::Result;
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/*
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* Copyright 2016 Nu-book Inc.
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* Copyright 2016 ZXing authors
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* Copyright 2023 Axel Waggershauser
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*/
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// SPDX-License-Identifier: Apache-2.0
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use crate::common::{BitMatrix, Result};
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use crate::qrcode::cpp_port::Type;
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use crate::qrcode::decoder::{
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Version, VersionRef, MICRO_VERSIONS, MODEL1_VERSIONS, VERSIONS, VERSION_DECODE_INFO,
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};
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use crate::Exceptions;
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// const Version* Version::AllMicroVersions()
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// {
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// /**
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// * See ISO 18004:2006 6.5.1 Table 9
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// */
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// static const Version allVersions[] = {
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// {1, {2, 1, 3, 0, 0}},
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// {2, {5, 1, 5, 0, 0, 6, 1, 4, 0, 0}},
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// {3, {6, 1, 11, 0, 0, 8, 1, 9, 0, 0}},
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// {4, {8, 1, 16, 0, 0, 10, 1, 14, 0, 0, 14, 1, 10, 0, 0}}};
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// return allVersions;
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// }
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impl Version {
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pub fn FromDimension(dimension: u32, is_model1: bool) -> Result<VersionRef> {
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let isMicro = dimension < 21;
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if dimension % Self::DimensionStep(isMicro) != 1 {
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//throw std::invalid_argument("Unexpected dimension");
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return Err(Exceptions::ILLEGAL_ARGUMENT);
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pub fn Model1(version_number: u32) -> Result<VersionRef> {
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if version_number < 1 || version_number > 14 {
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Err(Exceptions::ILLEGAL_ARGUMENT)
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} else {
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Ok(&MODEL1_VERSIONS[version_number as usize - 1])
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}
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Self::FromNumber(
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(dimension - Self::DimensionOffset(isMicro)) / Self::DimensionStep(isMicro),
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isMicro,
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is_model1,
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)
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}
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pub fn FromNumber(versionNumber: u32, is_micro: bool, is_model1: bool) -> Result<VersionRef> {
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if versionNumber < 1
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|| versionNumber
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> (if is_micro {
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4
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} else {
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if is_model1 {
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14
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} else {
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40
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}
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})
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{
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//throw std::invalid_argument("Version should be in range [1-40].");
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return Err(Exceptions::ILLEGAL_ARGUMENT);
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}
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Ok(if is_micro {
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&MICRO_VERSIONS[versionNumber as usize - 1]
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} else if is_model1 {
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&MODEL1_VERSIONS[versionNumber as usize - 1]
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pub fn Model2(version_number: u32) -> Result<VersionRef> {
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if version_number < 1 || version_number > 40 {
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Err(Exceptions::ILLEGAL_ARGUMENT)
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} else {
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&VERSIONS[versionNumber as usize - 1]
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})
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Ok(&VERSIONS[version_number as usize - 1])
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}
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}
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pub fn Micro(version_number: u32) -> Result<VersionRef> {
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if version_number < 1 || version_number > 4 {
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Err(Exceptions::ILLEGAL_ARGUMENT)
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} else {
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Ok(&MICRO_VERSIONS[version_number as usize - 1])
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}
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}
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pub fn DimensionOfVersion(version: u32, is_micro: bool) -> u32 {
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@@ -80,13 +60,6 @@ impl Version {
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let mut bestDifference = u32::MAX;
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let mut bestVersion = 0;
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for (i, targetVersion) in VERSION_DECODE_INFO.into_iter().enumerate() {
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// for (int targetVersion : VERSION_DECODE_INFO) {
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// Do the version info bits match exactly? done.
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if targetVersion == versionBitsA as u32 || targetVersion == versionBitsB as u32 {
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return Self::getVersionForNumber(i as u32 + 7);
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}
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// Otherwise see if this is the closest to a real version info bit string
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// we have seen so far
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for bits in [versionBitsA, versionBitsB] {
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// for (int bits : {versionBitsA, versionBitsB}) {
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let bitsDifference = ((bits as u32) ^ targetVersion).count_ones(); //BitHacks::CountBitsSet(bits ^ targetVersion);
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@@ -95,6 +68,9 @@ impl Version {
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bestDifference = bitsDifference;
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}
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}
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if bestDifference == 0 {
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break;
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}
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}
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// We can tolerate up to 3 bits of error since no two version info codewords will
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// differ in less than 8 bits.
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@@ -105,11 +81,34 @@ impl Version {
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Err(Exceptions::ILLEGAL_STATE)
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}
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pub const fn isMicroQRCode(&self) -> bool {
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self.is_micro
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pub const fn isMicro(&self) -> bool {
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Type::const_eq(self.qr_type, Type::Micro)
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}
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pub const fn isQRCodeModel1(&self) -> bool {
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self.is_model1
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pub const fn isModel1(&self) -> bool {
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Type::const_eq(self.qr_type, Type::Model1)
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}
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pub const fn isModel2(&self) -> bool {
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Type::const_eq(self.qr_type, Type::Model2)
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}
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pub fn HasMicroSize(bitMatrix: &BitMatrix) -> bool {
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let size = bitMatrix.height();
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size >= 11 && size <= 17 && (size % 2) == 1
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}
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pub fn HasValidSize(bitMatrix: &BitMatrix) -> bool {
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let size = bitMatrix.height();
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Self::HasMicroSize(bitMatrix) || (size >= 21 && size <= 177 && (size % 4) == 1)
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}
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pub fn Number(bitMatrix: &BitMatrix) -> u32 {
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if !Self::HasValidSize(bitMatrix) {
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0
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} else {
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let isMicro = Self::HasMicroSize(bitMatrix);
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(bitMatrix.height() - Self::DimensionOffset(isMicro)) / Self::DimensionStep(isMicro)
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}
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}
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}
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