From 90609e9f1be6935d2d9e1d0b026301e0c0d8629c Mon Sep 17 00:00:00 2001 From: Tae-Young Chung Date: Fri, 2 Dec 2016 17:25:31 +0900 Subject: [PATCH] Remove a backup file Change-Id: Ie9dc69996ac9e0d5d2b900773cd0c5b3ff489dab Signed-off-by: Tae-Young Chung --- backend/qr.c~ | 2372 --------------------------------------------------------- 1 file changed, 2372 deletions(-) delete mode 100644 backend/qr.c~ diff --git a/backend/qr.c~ b/backend/qr.c~ deleted file mode 100644 index 03f6bed..0000000 --- a/backend/qr.c~ +++ /dev/null @@ -1,2372 +0,0 @@ -/* qr.c Handles QR Code */ - -/* - libzint - the open source barcode library - Copyright (C) 2009 Robin Stuart - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. Neither the name of the project nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND - ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - SUCH DAMAGE. -*/ - -#include -#ifdef _MSC_VER -#include -#endif -#include "common.h" -#include -#include "sjis.h" -#include "qr.h" -#include "reedsol.h" - -int in_alpha(int glyph) { - /* Returns true if input glyph is in the Alphanumeric set */ - int retval = 0; - char cglyph = (char) glyph; - - if((cglyph >= '0') && (cglyph <= '9')) { - retval = 1; - } - if((cglyph >= 'A') && (cglyph <= 'Z')) { - retval = 1; - } - switch (cglyph) { - case ' ': - case '$': - case '%': - case '*': - case '+': - case '-': - case '.': - case '/': - case ':': - retval = 1; - break; - } - - return retval; -} - -void define_mode(char mode[], int jisdata[], int length, int gs1) -{ - /* Values placed into mode[] are: K = Kanji, B = Binary, A = Alphanumeric, N = Numeric */ - int i, mlen, j; - - for(i = 0; i < length; i++) { - if(jisdata[i] > 0xff) { - mode[i] = 'K'; - } else { - mode[i] = 'B'; - if(in_alpha(jisdata[i])) { mode[i] = 'A'; } - if(gs1 && (jisdata[i] == '[')) { mode[i] = 'A'; } - if((jisdata[i] >= '0') && (jisdata[i] <= '9')) { mode[i] = 'N'; } - } - } - - /* If less than 6 numeric digits together then don't use numeric mode */ - for(i = 0; i < length; i++) { - if(mode[i] == 'N') { - if(((i != 0) && (mode[i - 1] != 'N')) || (i == 0)) { - mlen = 0; - while (((mlen + i) < length) && (mode[mlen + i] == 'N')) { - mlen++; - }; - if(mlen < 6) { - for(j = 0; j < mlen; j++) { - mode[i + j] = 'A'; - } - } - } - } - } - - /* If less than 4 alphanumeric characters together then don't use alphanumeric mode */ - for(i = 0; i < length; i++) { - if(mode[i] == 'A') { - if(((i != 0) && (mode[i - 1] != 'A')) || (i == 0)) { - mlen = 0; - while (((mlen + i) < length) && (mode[mlen + i] == 'A')) { - mlen++; - }; - if(mlen < 6) { - for(j = 0; j < mlen; j++) { - mode[i + j] = 'B'; - } - } - } - } - } -} - -int estimate_binary_length(char mode[], int length, int gs1) -{ - /* Make an estimate (worst case scenario) of how long the binary string will be */ - int i, count = 0; - char current = 0; - int a_count = 0; - int n_count = 0; - - if(gs1) { count += 4; } - - for(i = 0; i < length; i++) { - if(mode[i] != current) { - switch(mode[i]) { - case 'K': count += 12 + 4; current = 'K'; break; - case 'B': count += 16 + 4; current = 'B'; break; - case 'A': count += 13 + 4; current = 'A'; a_count = 0; break; - case 'N': count += 14 + 4; current = 'N'; n_count = 0; break; - } - } - - switch(mode[i]) { - case 'K': count += 13; break; - case 'B': count += 8; break; - case 'A': - a_count++; - if((a_count & 1) == 0) { - count += 5; // 11 in total - a_count = 0; - } - else - count += 6; - break; - case 'N': - n_count++; - if((n_count % 3) == 0) { - count += 3; // 10 in total - n_count = 0; - } - else if ((n_count & 1) == 0) - count += 3; // 7 in total - else - count += 4; - break; - } - } - - return count; -} - -static inline void qr_bscan(char *binary, int data, int h) -{ - for (; h; h>>=1) { - concat(binary, data & h ? "1" : "0"); - } -} - -void qr_binary(int datastream[], int version, int target_binlen, char mode[], int jisdata[], int length, int gs1, int est_binlen) -{ - /* Convert input data to a binary stream and add padding */ - int position = 0; - int short_data_block_length, i, scheme = 1; - char data_block, padbits; - int current_binlen, current_bytes; - int toggle, percent; - -#ifndef _MSC_VER - char binary[est_binlen + 12]; -#else - char* binary = (char *)_alloca(est_binlen + 12); -#endif - strcpy(binary, ""); - - if(gs1) { - concat(binary, "0101"); /* FNC1 */ - } - - if(version <= 9) { - scheme = 1; - } else if((version >= 10) && (version <= 26)) { - scheme = 2; - } else if(version >= 27) { - scheme = 3; - } - -#ifdef _DEBUG_MODE_ - for(i = 0; i < length; i++) { - printf("%c", mode[i]); - } - printf("\n"); -#endif - - percent = 0; - - do { - data_block = mode[position]; - short_data_block_length = 0; - do { - short_data_block_length++; - } while (((short_data_block_length + position) < length) && (mode[position + short_data_block_length] == data_block)); - - switch(data_block) { - case 'K': - /* Kanji mode */ - /* Mode indicator */ - concat(binary, "1000"); - - /* Character count indicator */ - qr_bscan(binary, short_data_block_length, 0x20 << (scheme*2)); /* scheme = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("Kanji block (length %d)\n\t", short_data_block_length); -#endif - - /* Character representation */ - for(i = 0; i < short_data_block_length; i++) { - int jis = jisdata[position + i]; - int msb, lsb, prod; - - if(jis > 0x9fff) { jis -= 0xc140; } - msb = (jis & 0xff00) >> 4; - lsb = (jis & 0xff); - prod = (msb * 0xc0) + lsb; - - qr_bscan(binary, prod, 0x1000); -#ifdef _DEBUG_MODE_ - printf("0x%4X ", prod); -#endif - } -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - - break; - case 'B': - /* Byte mode */ - /* Mode indicator */ - concat(binary, "0100"); - - /* Character count indicator */ - qr_bscan(binary, short_data_block_length, scheme > 1 ? 0x8000 : 0x80); /* scheme = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("Byte block (length %d)\n\t", short_data_block_length); -#endif - /* Character representation */ - for(i = 0; i < short_data_block_length; i++) { - int byte = jisdata[position + i]; - - if(gs1 && (byte == '[')) { - byte = 0x1d; /* FNC1 */ - } - - qr_bscan(binary, byte, 0x80); -#ifdef _DEBUG_MODE_ - printf("0x%2X(%d) ", byte, byte); -#endif - } -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - break; - case 'A': - /* Alphanumeric mode */ - /* Mode indicator */ - concat(binary, "0010"); - - /* Character count indicator */ - qr_bscan(binary, short_data_block_length, 0x40 << (2 * scheme)); /* scheme = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("Alpha block (length %d)\n\t", short_data_block_length); -#endif - /* Character representation */ - i = 0; - while ( i < short_data_block_length ) { - int count; - int first = 0, second = 0, prod; - - if(percent == 0) { - if(gs1 && (jisdata[position + i] == '%')) { - first = posn(RHODIUM, '%'); - second = posn(RHODIUM, '%'); - count = 2; - prod = (first * 45) + second; - i++; - } else { - if(gs1 && (jisdata[position + i] == '[')) { - first = posn(RHODIUM, '%'); /* FNC1 */ - } else { - first = posn(RHODIUM, (char) jisdata[position + i]); - } - count = 1; - i++; - prod = first; - - if(mode[position + i] == 'A') { - if(gs1 && (jisdata[position + i] == '%')) { - second = posn(RHODIUM, '%'); - count = 2; - prod = (first * 45) + second; - percent = 1; - } else { - if(gs1 && (jisdata[position + i] == '[')) { - second = posn(RHODIUM, '%'); /* FNC1 */ - } else { - second = posn(RHODIUM, (char) jisdata[position + i]); - } - count = 2; - i++; - prod = (first * 45) + second; - } - } - } - } else { - first = posn(RHODIUM, '%'); - count = 1; - i++; - prod = first; - percent = 0; - - if(mode[position + i] == 'A') { - if(gs1 && (jisdata[position + i] == '%')) { - second = posn(RHODIUM, '%'); - count = 2; - prod = (first * 45) + second; - percent = 1; - } else { - if(gs1 && (jisdata[position + i] == '[')) { - second = posn(RHODIUM, '%'); /* FNC1 */ - } else { - second = posn(RHODIUM, (char) jisdata[position + i]); - } - count = 2; - i++; - prod = (first * 45) + second; - } - } - } - - qr_bscan(binary, prod, count == 2 ? 0x400 : 0x20); /* count = 1..2 */ -#ifdef _DEBUG_MODE_ - printf("0x%4X ", prod); -#endif - }; -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - - break; - case 'N': - /* Numeric mode */ - /* Mode indicator */ - concat(binary, "0001"); - - /* Character count indicator */ - qr_bscan(binary, short_data_block_length, 0x80 << (2 * scheme)); /* scheme = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("Number block (length %d)\n\t", short_data_block_length); -#endif - /* Character representation */ - i = 0; - while ( i < short_data_block_length ) { - int count; - int first = 0, second = 0, third = 0, prod; - - first = posn(NEON, (char) jisdata[position + i]); - count = 1; - prod = first; - - if(mode[position + i + 1] == 'N') { - second = posn(NEON, (char) jisdata[position + i + 1]); - count = 2; - prod = (prod * 10) + second; - - if(mode[position + i + 2] == 'N') { - third = posn(NEON, (char) jisdata[position + i + 2]); - count = 3; - prod = (prod * 10) + third; - } - } - - qr_bscan(binary, prod, 1 << (3 * count)); /* count = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("0x%4X (%d)", prod, prod); -#endif - - i += count; - }; -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - - break; - } - - position += short_data_block_length; - } while (position < length) ; - - /* Terminator */ - concat(binary, "0000"); - - current_binlen = strlen(binary); - padbits = 8 - (current_binlen % 8); - if(padbits == 8) { padbits = 0; } - current_bytes = (current_binlen + padbits) / 8; - - /* Padding bits */ - for(i = 0; i < padbits; i++) { - concat(binary, "0"); - } - - /* Put data into 8-bit codewords */ - for(i = 0; i < current_bytes; i++) { - datastream[i] = 0x00; - if(binary[i * 8] == '1') { datastream[i] += 0x80; } - if(binary[i * 8 + 1] == '1') { datastream[i] += 0x40; } - if(binary[i * 8 + 2] == '1') { datastream[i] += 0x20; } - if(binary[i * 8 + 3] == '1') { datastream[i] += 0x10; } - if(binary[i * 8 + 4] == '1') { datastream[i] += 0x08; } - if(binary[i * 8 + 5] == '1') { datastream[i] += 0x04; } - if(binary[i * 8 + 6] == '1') { datastream[i] += 0x02; } - if(binary[i * 8 + 7] == '1') { datastream[i] += 0x01; } - } - - /* Add pad codewords */ - toggle = 0; - for(i = current_bytes; i < target_binlen; i++) { - if(toggle == 0) { - datastream[i] = 0xec; - toggle = 1; - } else { - datastream[i] = 0x11; - toggle = 0; - } - } - -#ifdef _DEBUG_MODE_ - printf("Resulting codewords:\n\t"); - for(i = 0; i < target_binlen; i++) { - printf("0x%2X ", datastream[i]); - } - printf("\n"); -#endif -} - -void add_ecc(int fullstream[], int datastream[], int version, int data_cw, int blocks) -{ - /* Split data into blocks, add error correction and then interleave the blocks and error correction data */ - int ecc_cw = qr_total_codewords[version - 1] - data_cw; - int short_data_block_length = data_cw / blocks; - int qty_long_blocks = data_cw % blocks; - int qty_short_blocks = blocks - qty_long_blocks; - int ecc_block_length = ecc_cw / blocks; - int i, j, length_this_block, posn; - - -#ifndef _MSC_VER - unsigned char data_block[short_data_block_length + 2]; - unsigned char ecc_block[ecc_block_length + 2]; - int interleaved_data[data_cw + 2]; - int interleaved_ecc[ecc_cw + 2]; -#else - unsigned char* data_block = (unsigned char *)_alloca(short_data_block_length + 2); - unsigned char* ecc_block = (unsigned char *)_alloca(ecc_block_length + 2); - int* interleaved_data = (int *)_alloca((data_cw + 2) * sizeof(int)); - int* interleaved_ecc = (int *)_alloca((ecc_cw + 2) * sizeof(int)); -#endif - - posn = 0; - - for(i = 0; i < blocks; i++) { - if(i < qty_short_blocks) { length_this_block = short_data_block_length; } else { length_this_block = short_data_block_length + 1; } - - for(j = 0; j < ecc_block_length; j++) { - ecc_block[j] = 0; - } - - for(j = 0; j < length_this_block; j++) { - data_block[j] = (unsigned char) datastream[posn + j]; - } - - rs_init_gf(0x11d); - rs_init_code(ecc_block_length, 0); - rs_encode(length_this_block, data_block, ecc_block); - rs_free(); - -#ifdef _DEBUG_MODE_ - printf("Block %d: ", i + 1); - for(j = 0; j < length_this_block; j++) { - printf("%2X ", data_block[j]); - } - if(i < qty_short_blocks) { - printf(" "); - } - printf(" // "); - for(j = 0; j < ecc_block_length; j++) { - printf("%2X ", ecc_block[ecc_block_length - j - 1]); - } - printf("\n"); -#endif - - for(j = 0; j < short_data_block_length; j++) { - interleaved_data[(j * blocks) + i] = (int) data_block[j]; - } - - if(i >= qty_short_blocks){ - interleaved_data[(short_data_block_length * blocks) + (i - qty_short_blocks)] = (int) data_block[short_data_block_length]; - } - - for(j = 0; j < ecc_block_length; j++) { - interleaved_ecc[(j * blocks) + i] = (int) ecc_block[ecc_block_length - j - 1]; - } - - posn += length_this_block; - } - - for(j = 0; j < data_cw; j++) { - fullstream[j] = interleaved_data[j]; - } - for(j = 0; j < ecc_cw; j++) { - fullstream[j + data_cw] = interleaved_ecc[j]; - } - -#ifdef _DEBUG_MODE_ - printf("\nData Stream: \n"); - for(j = 0; j < (data_cw + ecc_cw); j++) { - printf("%2X ", fullstream[j]); - } - printf("\n"); -#endif -} - -void place_finder(unsigned char grid[], int size, int x, int y) -{ - int xp, yp; - - int finder[] = { - 1, 1, 1, 1, 1, 1, 1, - 1, 0, 0, 0, 0, 0, 1, - 1, 0, 1, 1, 1, 0, 1, - 1, 0, 1, 1, 1, 0, 1, - 1, 0, 1, 1, 1, 0, 1, - 1, 0, 0, 0, 0, 0, 1, - 1, 1, 1, 1, 1, 1, 1 - }; - - for(xp = 0; xp < 7; xp++) { - for(yp = 0; yp < 7; yp++) { - if (finder[xp + (7 * yp)] == 1) { - grid[((yp + y) * size) + (xp + x)] = 0x11; - } else { - grid[((yp + y) * size) + (xp + x)] = 0x10; - } - } - } -} - -void place_align(unsigned char grid[], int size, int x, int y) -{ - int xp, yp; - - int alignment[] = { - 1, 1, 1, 1, 1, - 1, 0, 0, 0, 1, - 1, 0, 1, 0, 1, - 1, 0, 0, 0, 1, - 1, 1, 1, 1, 1 - }; - - x -= 2; - y -= 2; /* Input values represent centre of pattern */ - - for(xp = 0; xp < 5; xp++) { - for(yp = 0; yp < 5; yp++) { - if (alignment[xp + (5 * yp)] == 1) { - grid[((yp + y) * size) + (xp + x)] = 0x11; - } else { - grid[((yp + y) * size) + (xp + x)] = 0x10; - } - } - } -} - -void setup_grid(unsigned char* grid, int size, int version) -{ - int i, toggle = 1; - int loopsize, x, y, xcoord, ycoord; - - /* Add timing patterns */ - for(i = 0; i < size; i++) { - if(toggle == 1) { - grid[(6 * size) + i] = 0x21; - grid[(i * size) + 6] = 0x21; - toggle = 0; - } else { - grid[(6 * size) + i] = 0x20; - grid[(i * size) + 6] = 0x20; - toggle = 1; - } - } - - /* Add finder patterns */ - place_finder(grid, size, 0, 0); - place_finder(grid, size, 0, size - 7); - place_finder(grid, size, size - 7, 0); - - /* Add separators */ - for(i = 0; i < 7; i++) { - grid[(7 * size) + i] = 0x10; - grid[(i * size) + 7] = 0x10; - grid[(7 * size) + (size - 1 - i)] = 0x10; - grid[(i * size) + (size - 8)] = 0x10; - grid[((size - 8) * size) + i] = 0x10; - grid[((size - 1 - i) * size) + 7] = 0x10; - } - grid[(7 * size) + 7] = 0x10; - grid[(7 * size) + (size - 8)] = 0x10; - grid[((size - 8) * size) + 7] = 0x10; - - /* Add alignment patterns */ - if(version != 1) { - /* Version 1 does not have alignment patterns */ - - loopsize = qr_align_loopsize[version - 1]; - for(x = 0; x < loopsize; x++) { - for(y = 0; y < loopsize; y++) { - xcoord = qr_table_e1[((version - 2) * 7) + x]; - ycoord = qr_table_e1[((version - 2) * 7) + y]; - - if(!(grid[(ycoord * size) + xcoord] & 0x10)) { - place_align(grid, size, xcoord, ycoord); - } - } - } - } - - /* Reserve space for format information */ - for(i = 0; i < 8; i++) { - grid[(8 * size) + i] += 0x20; - grid[(i * size) + 8] += 0x20; - grid[(8 * size) + (size - 1 - i)] = 0x20; - grid[((size - 1 - i) * size) + 8] = 0x20; - } - grid[(8 * size) + 8] += 20; - grid[((size - 1 - 7) * size) + 8] = 0x21; /* Dark Module from Figure 25 */ - - /* Reserve space for version information */ - if(version >= 7) { - for(i = 0; i < 6; i++) { - grid[((size - 9) * size) + i] = 0x20; - grid[((size - 10) * size) + i] = 0x20; - grid[((size - 11) * size) + i] = 0x20; - grid[(i * size) + (size - 9)] = 0x20; - grid[(i * size) + (size - 10)] = 0x20; - grid[(i * size) + (size - 11)] = 0x20; - } - } -} - -int cwbit(int* datastream, int i) { - int word = i / 8; - int bit = i % 8; - int resultant = 0; - - switch(bit) { - case 0: if(datastream[word] & 0x80) { resultant = 1; } else { resultant = 0; } break; - case 1: if(datastream[word] & 0x40) { resultant = 1; } else { resultant = 0; } break; - case 2: if(datastream[word] & 0x20) { resultant = 1; } else { resultant = 0; } break; - case 3: if(datastream[word] & 0x10) { resultant = 1; } else { resultant = 0; } break; - case 4: if(datastream[word] & 0x08) { resultant = 1; } else { resultant = 0; } break; - case 5: if(datastream[word] & 0x04) { resultant = 1; } else { resultant = 0; } break; - case 6: if(datastream[word] & 0x02) { resultant = 1; } else { resultant = 0; } break; - case 7: if(datastream[word] & 0x01) { resultant = 1; } else { resultant = 0; } break; - } - - return resultant; -} - -void populate_grid(unsigned char* grid, int size, int* datastream, int cw) -{ - int direction = 1; /* up */ - int row = 0; /* right hand side */ - - int i, n, x, y; - - n = cw * 8; - y = size - 1; - i = 0; - do { - x = (size - 2) - (row * 2); - if(x < 6) - x--; /* skip over vertical timing pattern */ - - if(!(grid[(y * size) + (x + 1)] & 0xf0)) { - if (cwbit(datastream, i)) { - grid[(y * size) + (x + 1)] = 0x01; - } else { - grid[(y * size) + (x + 1)] = 0x00; - } - i++; - } - - if(i < n) { - if(!(grid[(y * size) + x] & 0xf0)) { - if (cwbit(datastream, i)) { - grid[(y * size) + x] = 0x01; - } else { - grid[(y * size) + x] = 0x00; - } - i++; - } - } - - if(direction) { y--; } else { y++; } - if(y == -1) { - /* reached the top */ - row++; - y = 0; - direction = 0; - } - if(y == size) { - /* reached the bottom */ - row++; - y = size - 1; - direction = 1; - } - } while (i < n); -} - -int evaluate(unsigned char *grid, int size, int pattern) -{ - int x, y, block; - int result = 0; - char state; - int p; - int dark_mods; - int percentage, k, k2; - -#ifndef _MSC_VER - char local[size * size]; -#else - char* local = (char *)_alloca((size * size) * sizeof(char)); -#endif - - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - switch(pattern) { - case 0: if (grid[(y * size) + x] & 0x01) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 1: if (grid[(y * size) + x] & 0x02) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 2: if (grid[(y * size) + x] & 0x04) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 3: if (grid[(y * size) + x] & 0x08) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 4: if (grid[(y * size) + x] & 0x10) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 5: if (grid[(y * size) + x] & 0x20) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 6: if (grid[(y * size) + x] & 0x40) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - case 7: if (grid[(y * size) + x] & 0x80) { local[(y * size) + x] = '1'; } else { local[(y * size) + x] = '0'; } break; - } - } - } - - /* Test 1: Adjacent modules in row/column in same colour */ - /* Vertical */ - for(x = 0; x < size; x++) { - state = local[x]; - block = 0; - for(y = 0; y < size; y++) { - if(local[(y * size) + x] == state) { - block++; - if(block ==5) - result += 3; - - if(block>5) - result +=1; - } else { - block=0; - } - } - } - - /* Horizontal */ - for(y = 0; y < size; y++) { - state = local[y * size]; - block = 0; - for(x = 0; x < size; x++) { - if(local[(y * size) + x] == state) { - block++; - if(block ==5) - result += 3; - - if(block>5) - result +=1; - } else { - block=0; - } - } - } - - /* Test 2 fd02131114 */ - for(x = 0; x < size-1; x++) { - for(y = 0; y < (size - 7) -1; y++) { - // y + 1??? - if((local[((y + 1) * size) + x] == '1') && - (local[((y + 1) * size) + x+1] == '1') && - (local[(((y + 1)+1) * size) + x] == '1') && - (local[(((y + 1)+1) * size) + x+1] == '1') - ) { result += 3; } - - if((local[((y + 1) * size) + x] == '0') && - (local[((y + 1) * size) + x+1] == '0') && - (local[(((y + 1)+1) * size) + x] == '0') && - (local[(((y + 1)+1) * size) + x+1] == '0') - ) { result += 3; } - } - } - - /* Test 3: fd02131114 */ - /*pattern 10111010000 */ - /* Vertical */ - for(x = 0; x < size; x++) { - for(y = 0; y < (size - 11); y++) { - p = 0; - if(local[(y * size) + x] == '1') { p += 1; } - if(local[((y + 1) * size) + x] == '0') { p += 1; } - if(local[((y + 2) * size) + x] == '1') { p += 1; } - if(local[((y + 3) * size) + x] == '1') { p += 1; } - if(local[((y + 4) * size) + x] == '1') { p += 1; } - if(local[((y + 5) * size) + x] == '0') { p += 1; } - if(local[((y + 6) * size) + x] == '1') { p += 1; } - if(local[((y + 7) * size) + x] == '0') { p += 1; } - if(local[((y + 8) * size) + x] == '0') { p += 1; } - if(local[((y + 9) * size) + x] == '0') { p += 1; } - if(local[((y + 10) * size) + x] == '0') { p += 1; } - if(p == 11) { - result += 40; - } - } - } - - /* Horizontal */ - for(y = 0; y < size; y++) { - for(x = 0; x < (size - 11); x++) { - p = 0; - if(local[(y * size) + x] == '1') { p += 1; } - if(local[(y * size) + x + 1] == '0') { p += 1; } - if(local[(y * size) + x + 2] == '1') { p += 1; } - if(local[(y * size) + x + 3] == '1') { p += 1; } - if(local[(y * size) + x + 4] == '1') { p += 1; } - if(local[(y * size) + x + 5] == '0') { p += 1; } - if(local[(y * size) + x + 6] == '1') { p += 1; } - if(local[(y * size) + x + 7] == '0') { p += 1; } - if(local[(y * size) + x + 8] == '0') { p += 1; } - if(local[(y * size) + x + 9] == '0') { p += 1; } - if(local[(y * size) + x + 10] == '0') { p += 1; } - if(p == 11) { - result += 40; - } - } - } - - /*pattern 00001011101 */ - /* Vertical */ - for(x = 0; x < size; x++) { - for(y = 0; y < (size - 11); y++) { - p = 0; - if(local[(y * size) + x] == '0') { p += 1; } - if(local[((y + 1) * size) + x] == '0') { p += 1; } - if(local[((y + 2) * size) + x] == '0') { p += 1; } - if(local[((y + 3) * size) + x] == '0') { p += 1; } - if(local[((y + 4) * size) + x] == '1') { p += 1; } - if(local[((y + 5) * size) + x] == '0') { p += 1; } - if(local[((y + 6) * size) + x] == '1') { p += 1; } - if(local[((y + 7) * size) + x] == '1') { p += 1; } - if(local[((y + 8) * size) + x] == '1') { p += 1; } - if(local[((y + 9) * size) + x] == '0') { p += 1; } - if(local[((y + 10) * size) + x] == '1') { p += 1; } - if(p == 11) { - result += 40; - } - } - } - - /* Horizontal */ - for(y = 0; y < size; y++) { - for(x = 0; x < (size - 11); x++) { - p = 0; - if(local[(y * size) + x] == '0') { p += 1; } - if(local[(y * size) + x + 1] == '0') { p += 1; } - if(local[(y * size) + x + 2] == '0') { p += 1; } - if(local[(y * size) + x + 3] == '0') { p += 1; } - if(local[(y * size) + x + 4] == '1') { p += 1; } - if(local[(y * size) + x + 5] == '0') { p += 1; } - if(local[(y * size) + x + 6] == '1') { p += 1; } - if(local[(y * size) + x + 7] == '1') { p += 1; } - if(local[(y * size) + x + 8] == '1') { p += 1; } - if(local[(y * size) + x + 9] == '0') { p += 1; } - if(local[(y * size) + x + 10] == '1') { p += 1; } - if(p == 11) { - result += 40; - } - } - } - - /* Test 4: Proportion of dark modules in entire symbol */ - dark_mods = 0; - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - if(local[(y * size) + x] == '1') { - dark_mods++; - } - } - } - percentage = 100 * (dark_mods / (size * size)); - int m=0; - for(x = 0; x < 100; x+=5) { - if(x> i) & 0x01 ? (0x01 >> pattern) : 0x00; - } - - for(i = 0; i < 8; i++) { - eval[(8 * size) + (size - i - 1)] = (seq >> i) & 0x01 ? (0x01 >> pattern) : 0x00; - } - - for(i = 0; i < 6; i++) { - eval[(8 * size) + (5 - i)] = (seq >> (i + 9)) & 0x01 ? (0x01 >> pattern) : 0x00; - } - - for(i = 0; i < 7; i++) { - eval[(((size - 7) + i) * size) + 8] = (seq >> (i + 8)) & 0x01 ? (0x01 >> pattern) : 0x00; - } - - eval[(7 * size) + 8] = (seq >> 6) & 0x01 ? (0x01 >> pattern) : 0x00; - eval[(8 * size) + 8] = (seq >> 7) & 0x01 ? (0x01 >> pattern) : 0x00; - eval[(8 * size) + 7] = (seq >> 8) & 0x01 ? (0x01 >> pattern) : 0x00; -} - -int apply_bitmask(unsigned char *grid, int size, int ecc_level) -{ - int x, y; - unsigned char p; - int pattern, penalty[8]; - int best_val, best_pattern; - int bit; - -#ifndef _MSC_VER - unsigned char mask[size * size]; - unsigned char eval[size * size]; -#else - unsigned char* mask = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); - unsigned char* eval = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); -#endif - - /* Perform data masking */ - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - mask[(y * size) + x] = 0x00; - - // all eight bitmask variants are encoded in the 8 bits of the bytes that make up the mask array. - if (!(grid[(y * size) + x] & 0xf0)) { // exclude areas not to be masked. - if(((y + x) & 1) == 0) { mask[(y * size) + x] += 0x01; } - if((y & 1) == 0) { mask[(y * size) + x] += 0x02; } - if((x % 3) == 0) { mask[(y * size) + x] += 0x04; } - if(((y + x) % 3) == 0) { mask[(y * size) + x] += 0x08; } - if((((y / 2) + (x / 3)) & 1) == 0) { mask[(y * size) + x] += 0x10; } - if((((y * x) & 1) + ((y * x) % 3)) == 0) { mask[(y * size) + x] += 0x20; } - if(((((y * x) & 1) + ((y * x) % 3)) & 1) == 0) { mask[(y * size) + x] += 0x40; } - if(((((y + x) & 1) + ((y * x) % 3)) & 1) == 0) { mask[(y * size) + x] += 0x80; } - } - } - } - - // apply data masks to grid, result in eval - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - if(grid[(y * size) + x] & 0x01) { p = 0xff; } else { p = 0x00; } - - eval[(y * size) + x] = mask[(y * size) + x] ^ p; - } - } - - /* Evaluate result */ - for(pattern = 0; pattern < 8; pattern++) { - add_format_info_eval(eval, size, ecc_level, pattern); - - penalty[pattern] = evaluate(eval, size, pattern); - } - - best_pattern = 0; - best_val = penalty[0]; - for(pattern = 1; pattern < 8; pattern++) { - if(penalty[pattern] < best_val) { - best_pattern = pattern; - best_val = penalty[pattern]; - } - } - - /* Apply mask */ - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - bit = 0; - switch(best_pattern) { - case 0: if(mask[(y * size) + x] & 0x01) { bit = 1; } break; - case 1: if(mask[(y * size) + x] & 0x02) { bit = 1; } break; - case 2: if(mask[(y * size) + x] & 0x04) { bit = 1; } break; - case 3: if(mask[(y * size) + x] & 0x08) { bit = 1; } break; - case 4: if(mask[(y * size) + x] & 0x10) { bit = 1; } break; - case 5: if(mask[(y * size) + x] & 0x20) { bit = 1; } break; - case 6: if(mask[(y * size) + x] & 0x40) { bit = 1; } break; - case 7: if(mask[(y * size) + x] & 0x80) { bit = 1; } break; - } - if(bit == 1) { - if(grid[(y * size) + x] & 0x01) { - grid[(y * size) + x] = 0x00; - } else { - grid[(y * size) + x] = 0x01; - } - } - } - } - - return best_pattern; -} - -void add_format_info(unsigned char *grid, int size, int ecc_level, int pattern) -{ - /* Add format information to grid */ - - int format = pattern; - unsigned int seq; - int i; - - switch(ecc_level) { - case LEVEL_L: format += 0x08; break; - case LEVEL_Q: format += 0x18; break; - case LEVEL_H: format += 0x10; break; - } - - seq = qr_annex_c[format]; - - for(i = 0; i < 6; i++) { - grid[(i * size) + 8] += (seq >> i) & 0x01; - } - - for(i = 0; i < 8; i++) { - grid[(8 * size) + (size - i - 1)] += (seq >> i) & 0x01; - } - - for(i = 0; i < 6; i++) { - grid[(8 * size) + (5 - i)] += (seq >> (i + 9)) & 0x01; - } - - for(i = 0; i < 7; i++) { - grid[(((size - 7) + i) * size) + 8] += (seq >> (i + 8)) & 0x01; - } - - grid[(7 * size) + 8] += (seq >> 6) & 0x01; - grid[(8 * size) + 8] += (seq >> 7) & 0x01; - grid[(8 * size) + 7] += (seq >> 8) & 0x01; -} - -void add_version_info(unsigned char *grid, int size, int version) -{ - /* Add version information */ - int i; - - long int version_data = qr_annex_d[version - 7]; - for(i = 0; i < 6; i++) { - grid[((size - 11) * size) + i] += (version_data >> (i * 3)) & 0x41; - grid[((size - 10) * size) + i] += (version_data >> ((i * 3) + 1)) & 0x41; - grid[((size - 9) * size) + i] += (version_data >> ((i * 3) + 2)) & 0x41; - grid[(i * size) + (size - 11)] += (version_data >> (i * 3)) & 0x41; - grid[(i * size) + (size - 10)] += (version_data >> ((i * 3) + 1)) & 0x41; - grid[(i * size) + (size - 9)] += (version_data >> ((i * 3) + 2)) & 0x41; - } -} - -int qr_code(struct zint_symbol *symbol, unsigned char source[], int length) -{ - int error_number, i, j, glyph, est_binlen; - int ecc_level, autosize, version, max_cw, target_binlen, blocks, size; - int bitmask, gs1; - -#ifndef _MSC_VER - int utfdata[length + 1]; - int jisdata[length + 1]; - char mode[length + 1]; -#else - int* utfdata = (int *)_alloca((length + 1) * sizeof(int)); - int* jisdata = (int *)_alloca((length + 1) * sizeof(int)); - char* mode = (char *)_alloca(length + 1); -#endif - - gs1 = (symbol->input_mode == GS1_MODE); - - switch(symbol->input_mode) { - case DATA_MODE: - for(i = 0; i < length; i++) { - jisdata[i] = (int)source[i]; - } - break; - default: - /* Convert Unicode input to Shift-JIS */ - error_number = utf8toutf16(symbol, source, utfdata, &length); - if(error_number != 0) { return error_number; } - - for(i = 0; i < length; i++) { - if(utfdata[i] <= 0xff) { - jisdata[i] = utfdata[i]; - } else { - j = 0; - glyph = 0; - do { - if(sjis_lookup[j * 2] == utfdata[i]) { - glyph = sjis_lookup[(j * 2) + 1]; - } - j++; - } while ((j < 6843) && (glyph == 0)); - if(glyph == 0) { - strcpy(symbol->errtxt, "Invalid character in input data"); - return ERROR_INVALID_DATA; - } - jisdata[i] = glyph; - } - } - break; - } - - define_mode(mode, jisdata, length, gs1); - est_binlen = estimate_binary_length(mode, length, gs1); - - ecc_level = LEVEL_L; - max_cw = 2956; - if((symbol->option_1 >= 1) && (symbol->option_1 <= 4)) { - switch (symbol->option_1) { - case 1: ecc_level = LEVEL_L; max_cw = 2956; break; - case 2: ecc_level = LEVEL_M; max_cw = 2334; break; - case 3: ecc_level = LEVEL_Q; max_cw = 1666; break; - case 4: ecc_level = LEVEL_H; max_cw = 1276; break; - } - } - - if(est_binlen > (8 * max_cw)) { - strcpy(symbol->errtxt, "Input too long for selected error correction level"); - return ERROR_TOO_LONG; - } - - autosize = 40; - for(i = 39; i >= 0; i--) { - switch(ecc_level) { - case LEVEL_L: - if ((8 * qr_data_codewords_L[i]) >= est_binlen) { - autosize = i + 1; - } - break; - case LEVEL_M: - if ((8 * qr_data_codewords_M[i]) >= est_binlen) { - autosize = i + 1; - } - break; - case LEVEL_Q: - if ((8 * qr_data_codewords_Q[i]) >= est_binlen) { - autosize = i + 1; - } - break; - case LEVEL_H: - if ((8 * qr_data_codewords_H[i]) >= est_binlen) { - autosize = i + 1; - } - break; - } - } - - if((symbol->option_2 >= 1) && (symbol->option_2 <= 40)) { - if (symbol->option_2 > autosize) { - version = symbol->option_2; - } else { - version = autosize; - } - } else { - version = autosize; - } - - /* Ensure maxium error correction capacity */ - if(est_binlen <= qr_data_codewords_M[version - 1]) { ecc_level = LEVEL_M; } - if(est_binlen <= qr_data_codewords_Q[version - 1]) { ecc_level = LEVEL_Q; } - if(est_binlen <= qr_data_codewords_H[version - 1]) { ecc_level = LEVEL_H; } - - target_binlen = qr_data_codewords_L[version - 1]; blocks = qr_blocks_L[version - 1]; - switch(ecc_level) { - case LEVEL_M: target_binlen = qr_data_codewords_M[version - 1]; blocks = qr_blocks_M[version - 1]; break; - case LEVEL_Q: target_binlen = qr_data_codewords_Q[version - 1]; blocks = qr_blocks_Q[version - 1]; break; - case LEVEL_H: target_binlen = qr_data_codewords_H[version - 1]; blocks = qr_blocks_H[version - 1]; break; - } - -#ifndef _MSC_VER - int datastream[target_binlen + 1]; - int fullstream[qr_total_codewords[version - 1] + 1]; -#else - int* datastream = (int *)_alloca((target_binlen + 1) * sizeof(int)); - int* fullstream = (int *)_alloca((qr_total_codewords[version - 1] + 1) * sizeof(int)); -#endif - - qr_binary(datastream, version, target_binlen, mode, jisdata, length, gs1, est_binlen); - add_ecc(fullstream, datastream, version, target_binlen, blocks); - - size = qr_sizes[version - 1]; -#ifndef _MSC_VER - unsigned char grid[size * size]; -#else - unsigned char* grid = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); -#endif - - for(i = 0; i < size; i++) { - for(j = 0; j < size; j++) { - grid[(i * size) + j] = 0; - } - } - - setup_grid(grid, size, version); - populate_grid(grid, size, fullstream, qr_total_codewords[version - 1]); - - if(version >= 7) { - add_version_info(grid, size, version); - } - - bitmask = apply_bitmask(grid, size, ecc_level); - - add_format_info(grid, size, ecc_level, bitmask); - - symbol->width = size; - symbol->rows = size; - - for(i = 0; i < size; i++) { - for(j = 0; j < size; j++) { - if(grid[(i * size) + j] & 0x01) { - set_module(symbol, i, j); - } - } - symbol->row_height[i] = 1; - } - - return 0; -} - -/* NOTE: From this point forward concerns Micro QR Code only */ - -int micro_qr_intermediate(char binary[], int jisdata[], char mode[], int length, int *kanji_used, int *alphanum_used, int *byte_used) -{ - /* Convert input data to an "intermediate stage" where data is binary encoded but - control information is not */ - int position = 0; - int short_data_block_length, i; - char data_block; - char buffer[2]; - - strcpy(binary, ""); - -#ifdef _DEBUG_MODE_ - for(i = 0; i < length; i++) { - printf("%c", mode[i]); - } - printf("\n"); -#endif - - do { - if(strlen(binary) > 128) { - return ERROR_TOO_LONG; - } - - data_block = mode[position]; - short_data_block_length = 0; - do { - short_data_block_length++; - } while (((short_data_block_length + position) < length) && (mode[position + short_data_block_length] == data_block)); - - switch(data_block) { - case 'K': - /* Kanji mode */ - /* Mode indicator */ - concat(binary, "K"); - *kanji_used = 1; - - /* Character count indicator */ - buffer[0] = short_data_block_length; - buffer[1] = '\0'; - concat(binary, buffer); -#ifdef _DEBUG_MODE_ - printf("Kanji block (length %d)\n\t", short_data_block_length); -#endif - - /* Character representation */ - for(i = 0; i < short_data_block_length; i++) { - int jis = jisdata[position + i]; - int msb, lsb, prod; - - if(jis > 0x9fff) { jis -= 0xc140; } - msb = (jis & 0xff00) >> 4; - lsb = (jis & 0xff); - prod = (msb * 0xc0) + lsb; - - qr_bscan(binary, prod, 0x1000); -#ifdef _DEBUG_MODE_ - printf("0x%4X ", prod); -#endif - if(strlen(binary) > 128) { - return ERROR_TOO_LONG; - } - } -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - - break; - case 'B': - /* Byte mode */ - /* Mode indicator */ - concat(binary, "B"); - *byte_used = 1; - - /* Character count indicator */ - buffer[0] = short_data_block_length; - buffer[1] = '\0'; - concat(binary, buffer); -#ifdef _DEBUG_MODE_ - printf("Byte block (length %d)\n\t", short_data_block_length); -#endif - - /* Character representation */ - for(i = 0; i < short_data_block_length; i++) { - int byte = jisdata[position + i]; - - qr_bscan(binary, byte, 0x80); -#ifdef _DEBUG_MODE_ - printf("0x%4X ", byte); -#endif - if(strlen(binary) > 128) { - return ERROR_TOO_LONG; - } - } -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - break; - case 'A': - /* Alphanumeric mode */ - /* Mode indicator */ - concat(binary, "A"); - *alphanum_used = 1; - - /* Character count indicator */ - buffer[0] = short_data_block_length; - buffer[1] = '\0'; - concat(binary, buffer); -#ifdef _DEBUG_MODE_ - printf("Alpha block (length %d)\n\t", short_data_block_length); -#endif - /* Character representation */ - i = 0; - while ( i < short_data_block_length ) { - int count; - int first = 0, second = 0, prod; - - first = posn(RHODIUM, (char) jisdata[position + i]); - count = 1; - prod = first; - - if(mode[position + i + 1] == 'A') { - second = posn(RHODIUM, (char) jisdata[position + i + 1]); - count = 2; - prod = (first * 45) + second; - } - - qr_bscan(binary, prod, 1 << (5 * count)); /* count = 1..2 */ -#ifdef _DEBUG_MODE_ - printf("0x%4X ", prod); -#endif - if(strlen(binary) > 128) { - return ERROR_TOO_LONG; - } - - i += 2; - }; -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - break; - case 'N': - /* Numeric mode */ - /* Mode indicator */ - concat(binary, "N"); - - /* Character count indicator */ - buffer[0] = short_data_block_length; - buffer[1] = '\0'; - concat(binary, buffer); -#ifdef _DEBUG_MODE_ - printf("Number block (length %d)\n\t", short_data_block_length); -#endif - /* Character representation */ - i = 0; - while ( i < short_data_block_length ) { - int count; - int first = 0, second = 0, third = 0, prod; - - first = posn(NEON, (char) jisdata[position + i]); - count = 1; - prod = first; - - if(mode[position + i + 1] == 'N') { - second = posn(NEON, (char) jisdata[position + i + 1]); - count = 2; - prod = (prod * 10) + second; - } - - if(mode[position + i + 2] == 'N') { - third = posn(NEON, (char) jisdata[position + i + 2]); - count = 3; - prod = (prod * 10) + third; - } - - qr_bscan(binary, prod, 1 << (3 * count)); /* count = 1..3 */ -#ifdef _DEBUG_MODE_ - printf("0x%4X (%d)", prod, prod); -#endif - if(strlen(binary) > 128) { - return ERROR_TOO_LONG; - } - - i += 3; - }; -#ifdef _DEBUG_MODE_ - printf("\n"); -#endif - break; - } - - position += short_data_block_length; - } while (position < length - 1) ; - - return 0; -} - -void get_bitlength(int count[], char stream[]) { - int length, i; - - length = strlen(stream); - - for(i = 0; i < 4; i++) { - count[i] = 0; - } - - i = 0; - do { - if((stream[i] == '0') || (stream[i] == '1')) { - count[0]++; - count[1]++; - count[2]++; - count[3]++; - i++; - } else { - switch(stream[i]) { - case 'K': - count[2] += 5; - count[3] += 7; - i += 2; - break; - case 'B': - count[2] += 6; - count[3] += 8; - i += 2; - break; - case 'A': - count[1] += 4; - count[2] += 6; - count[3] += 8; - i += 2; - break; - case 'N': - count[0] += 3; - count[1] += 5; - count[2] += 7; - count[3] += 9; - i += 2; - break; - } - } - } while (i < length); -} - -void microqr_expand_binary(char binary_stream[], char full_stream[], int version) -{ - int i, length; - - length = strlen(binary_stream); - - i = 0; - do { - switch(binary_stream[i]) { - case '1': concat(full_stream, "1"); i++; break; - case '0': concat(full_stream, "0"); i++; break; - case 'N': - /* Numeric Mode */ - /* Mode indicator */ - switch(version) { - case 1: concat(full_stream, "0"); break; - case 2: concat(full_stream, "00"); break; - case 3: concat(full_stream, "000"); break; - } - - /* Character count indicator */ - qr_bscan(full_stream, binary_stream[i + 1], 4 << version); /* version = 0..3 */ - - i += 2; - break; - case 'A': - /* Alphanumeric Mode */ - /* Mode indicator */ - switch(version) { - case 1: concat(full_stream, "1"); break; - case 2: concat(full_stream, "01"); break; - case 3: concat(full_stream, "001"); break; - } - - /* Character count indicator */ - qr_bscan(full_stream, binary_stream[i + 1], 2 << version); /* version = 1..3 */ - - i += 2; - break; - case 'B': - /* Byte Mode */ - /* Mode indicator */ - switch(version) { - case 2: concat(full_stream, "10"); break; - case 3: concat(full_stream, "010"); break; - } - - /* Character count indicator */ - qr_bscan(full_stream, binary_stream[i + 1], 2 << version); /* version = 2..3 */ - - i += 2; - break; - case 'K': - /* Kanji Mode */ - /* Mode indicator */ - switch(version) { - case 2: concat(full_stream, "11"); break; - case 3: concat(full_stream, "011"); break; - } - - /* Character count indicator */ - qr_bscan(full_stream, binary_stream[i + 1], 1 << version); /* version = 2..3 */ - - i += 2; - break; - } - - } while (i < length); -} - -void micro_qr_m1(char binary_data[]) -{ - int i, latch; - int bits_total, bits_left, remainder; - int data_codewords, ecc_codewords; - unsigned char data_blocks[4], ecc_blocks[3]; - - bits_total = 20; - latch = 0; - - /* Add terminator */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 3) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } else { - concat(binary_data, "000"); - } - - if(latch == 0) { - /* Manage last (4-bit) block */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 4) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } - } - - if(latch == 0) { - /* Complete current byte */ - remainder = 8 - (strlen(binary_data) % 8); - if(remainder == 8) { remainder = 0; } - for(i = 0; i < remainder; i++) { - concat(binary_data, "0"); - } - - /* Add padding */ - bits_left = bits_total - strlen(binary_data); - if(bits_left > 4) { - remainder = (bits_left - 4) / 8; - for(i = 0; i < remainder; i++) { - concat(binary_data, i & 1 ? "00010001" : "11101100"); - } - } - concat(binary_data, "0000"); - } - - data_codewords = 3; - ecc_codewords = 2; - - /* Copy data into codewords */ - for(i = 0; i < (data_codewords - 1); i++) { - data_blocks[i] = 0; - if(binary_data[i * 8] == '1') { data_blocks[i] += 0x80; } - if(binary_data[(i * 8) + 1] == '1') { data_blocks[i] += 0x40; } - if(binary_data[(i * 8) + 2] == '1') { data_blocks[i] += 0x20; } - if(binary_data[(i * 8) + 3] == '1') { data_blocks[i] += 0x10; } - if(binary_data[(i * 8) + 4] == '1') { data_blocks[i] += 0x08; } - if(binary_data[(i * 8) + 5] == '1') { data_blocks[i] += 0x04; } - if(binary_data[(i * 8) + 6] == '1') { data_blocks[i] += 0x02; } - if(binary_data[(i * 8) + 7] == '1') { data_blocks[i] += 0x01; } - } - data_blocks[2] = 0; - if(binary_data[16] == '1') { data_blocks[2] += 0x08; } - if(binary_data[17] == '1') { data_blocks[2] += 0x04; } - if(binary_data[18] == '1') { data_blocks[2] += 0x02; } - if(binary_data[19] == '1') { data_blocks[2] += 0x01; } - - /* Calculate Reed-Solomon error codewords */ - rs_init_gf(0x11d); - rs_init_code(ecc_codewords, 0); - rs_encode(data_codewords,data_blocks,ecc_blocks); - rs_free(); - - /* Add Reed-Solomon codewords to binary data */ - for(i = 0; i < ecc_codewords; i++) { - qr_bscan(binary_data, ecc_blocks[ecc_codewords - i - 1], 0x80); - } -} - -void micro_qr_m2(char binary_data[], int ecc_mode) -{ - int i, latch; - int bits_total, bits_left, remainder; - int data_codewords, ecc_codewords; - unsigned char data_blocks[6], ecc_blocks[7]; - - latch = 0; - - if(ecc_mode == LEVEL_L) { bits_total = 40; } - if(ecc_mode == LEVEL_M) { bits_total = 32; } - - /* Add terminator */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 5) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } else { - concat(binary_data, "00000"); - } - - if(latch == 0) { - /* Complete current byte */ - remainder = 8 - (strlen(binary_data) % 8); - if(remainder == 8) { remainder = 0; } - for(i = 0; i < remainder; i++) { - concat(binary_data, "0"); - } - - /* Add padding */ - bits_left = bits_total - strlen(binary_data); - remainder = bits_left / 8; - for(i = 0; i < remainder; i++) { - concat(binary_data, i & 1 ? "00010001" : "11101100"); - } - } - - if(ecc_mode == LEVEL_L) { data_codewords = 5; ecc_codewords = 5; } - if(ecc_mode == LEVEL_M) { data_codewords = 4; ecc_codewords = 6; } - - /* Copy data into codewords */ - for(i = 0; i < data_codewords; i++) { - data_blocks[i] = 0; - if(binary_data[i * 8] == '1') { data_blocks[i] += 0x80; } - if(binary_data[(i * 8) + 1] == '1') { data_blocks[i] += 0x40; } - if(binary_data[(i * 8) + 2] == '1') { data_blocks[i] += 0x20; } - if(binary_data[(i * 8) + 3] == '1') { data_blocks[i] += 0x10; } - if(binary_data[(i * 8) + 4] == '1') { data_blocks[i] += 0x08; } - if(binary_data[(i * 8) + 5] == '1') { data_blocks[i] += 0x04; } - if(binary_data[(i * 8) + 6] == '1') { data_blocks[i] += 0x02; } - if(binary_data[(i * 8) + 7] == '1') { data_blocks[i] += 0x01; } - } - - /* Calculate Reed-Solomon error codewords */ - rs_init_gf(0x11d); - rs_init_code(ecc_codewords, 0); - rs_encode(data_codewords,data_blocks,ecc_blocks); - rs_free(); - - /* Add Reed-Solomon codewords to binary data */ - for(i = 0; i < ecc_codewords; i++) { - qr_bscan(binary_data, ecc_blocks[ecc_codewords - i - 1], 0x80); - } - - return; -} - -void micro_qr_m3(char binary_data[], int ecc_mode) -{ - int i, latch; - int bits_total, bits_left, remainder; - int data_codewords, ecc_codewords; - unsigned char data_blocks[12], ecc_blocks[9]; - - latch = 0; - - if(ecc_mode == LEVEL_L) { bits_total = 84; } - if(ecc_mode == LEVEL_M) { bits_total = 68; } - - /* Add terminator */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 7) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } else { - concat(binary_data, "0000000"); - } - - if(latch == 0) { - /* Manage last (4-bit) block */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 4) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } - } - - if(latch == 0) { - /* Complete current byte */ - remainder = 8 - (strlen(binary_data) % 8); - if(remainder == 8) { remainder = 0; } - for(i = 0; i < remainder; i++) { - concat(binary_data, "0"); - } - - /* Add padding */ - bits_left = bits_total - strlen(binary_data); - if(bits_left > 4) { - remainder = (bits_left - 4) / 8; - for(i = 0; i < remainder; i++) { - concat(binary_data, i & 1 ? "00010001" : "11101100"); - } - } - concat(binary_data, "0000"); - } - - if(ecc_mode == LEVEL_L) { data_codewords = 11; ecc_codewords = 6; } - if(ecc_mode == LEVEL_M) { data_codewords = 9; ecc_codewords = 8; } - - /* Copy data into codewords */ - for(i = 0; i < (data_codewords - 1); i++) { - data_blocks[i] = 0; - if(binary_data[i * 8] == '1') { data_blocks[i] += 0x80; } - if(binary_data[(i * 8) + 1] == '1') { data_blocks[i] += 0x40; } - if(binary_data[(i * 8) + 2] == '1') { data_blocks[i] += 0x20; } - if(binary_data[(i * 8) + 3] == '1') { data_blocks[i] += 0x10; } - if(binary_data[(i * 8) + 4] == '1') { data_blocks[i] += 0x08; } - if(binary_data[(i * 8) + 5] == '1') { data_blocks[i] += 0x04; } - if(binary_data[(i * 8) + 6] == '1') { data_blocks[i] += 0x02; } - if(binary_data[(i * 8) + 7] == '1') { data_blocks[i] += 0x01; } - } - - if(ecc_mode == LEVEL_L) { - data_blocks[11] = 0; - if(binary_data[80] == '1') { data_blocks[2] += 0x08; } - if(binary_data[81] == '1') { data_blocks[2] += 0x04; } - if(binary_data[82] == '1') { data_blocks[2] += 0x02; } - if(binary_data[83] == '1') { data_blocks[2] += 0x01; } - } - - if(ecc_mode == LEVEL_M) { - data_blocks[9] = 0; - if(binary_data[64] == '1') { data_blocks[2] += 0x08; } - if(binary_data[65] == '1') { data_blocks[2] += 0x04; } - if(binary_data[66] == '1') { data_blocks[2] += 0x02; } - if(binary_data[67] == '1') { data_blocks[2] += 0x01; } - } - - /* Calculate Reed-Solomon error codewords */ - rs_init_gf(0x11d); - rs_init_code(ecc_codewords, 0); - rs_encode(data_codewords,data_blocks,ecc_blocks); - rs_free(); - - /* Add Reed-Solomon codewords to binary data */ - for(i = 0; i < ecc_codewords; i++) { - qr_bscan(binary_data, ecc_blocks[ecc_codewords - i - 1], 0x80); - } - - return; -} - -void micro_qr_m4(char binary_data[], int ecc_mode) -{ - int i, latch; - int bits_total, bits_left, remainder; - int data_codewords, ecc_codewords; - unsigned char data_blocks[17], ecc_blocks[15]; - - latch = 0; - - if(ecc_mode == LEVEL_L) { bits_total = 128; } - if(ecc_mode == LEVEL_M) { bits_total = 112; } - if(ecc_mode == LEVEL_Q) { bits_total = 80; } - - /* Add terminator */ - bits_left = bits_total - strlen(binary_data); - if(bits_left <= 9) { - for(i = 0; i < bits_left; i++) { - concat(binary_data, "0"); - } - latch = 1; - } else { - concat(binary_data, "000000000"); - } - - if(latch == 0) { - /* Complete current byte */ - remainder = 8 - (strlen(binary_data) % 8); - if(remainder == 8) { remainder = 0; } - for(i = 0; i < remainder; i++) { - concat(binary_data, "0"); - } - - /* Add padding */ - bits_left = bits_total - strlen(binary_data); - remainder = bits_left / 8; - for(i = 0; i < remainder; i++) { - concat(binary_data, i & 1 ? "00010001" : "11101100"); - } - } - - if(ecc_mode == LEVEL_L) { data_codewords = 16; ecc_codewords = 8; } - if(ecc_mode == LEVEL_M) { data_codewords = 14; ecc_codewords = 10; } - if(ecc_mode == LEVEL_Q) { data_codewords = 10; ecc_codewords = 14; } - - /* Copy data into codewords */ - for(i = 0; i < data_codewords; i++) { - data_blocks[i] = 0; - if(binary_data[i * 8] == '1') { data_blocks[i] += 0x80; } - if(binary_data[(i * 8) + 1] == '1') { data_blocks[i] += 0x40; } - if(binary_data[(i * 8) + 2] == '1') { data_blocks[i] += 0x20; } - if(binary_data[(i * 8) + 3] == '1') { data_blocks[i] += 0x10; } - if(binary_data[(i * 8) + 4] == '1') { data_blocks[i] += 0x08; } - if(binary_data[(i * 8) + 5] == '1') { data_blocks[i] += 0x04; } - if(binary_data[(i * 8) + 6] == '1') { data_blocks[i] += 0x02; } - if(binary_data[(i * 8) + 7] == '1') { data_blocks[i] += 0x01; } - } - - /* Calculate Reed-Solomon error codewords */ - rs_init_gf(0x11d); - rs_init_code(ecc_codewords, 0); - rs_encode(data_codewords,data_blocks,ecc_blocks); - rs_free(); - - /* Add Reed-Solomon codewords to binary data */ - for(i = 0; i < ecc_codewords; i++) { - qr_bscan(binary_data, ecc_blocks[ecc_codewords - i - 1], 0x80); - } -} - -void micro_setup_grid(unsigned char* grid, int size) -{ - int i, toggle = 1; - - /* Add timing patterns */ - for(i = 0; i < size; i++) { - if(toggle == 1) { - grid[i] = 0x21; - grid[(i * size)] = 0x21; - toggle = 0; - } else { - grid[i] = 0x20; - grid[(i * size)] = 0x20; - toggle = 1; - } - } - - /* Add finder patterns */ - place_finder(grid, size, 0, 0); - - /* Add separators */ - for(i = 0; i < 7; i++) { - grid[(7 * size) + i] = 0x10; - grid[(i * size) + 7] = 0x10; - } - grid[(7 * size) + 7] = 0x10; - - - /* Reserve space for format information */ - for(i = 0; i < 8; i++) { - grid[(8 * size) + i] += 0x20; - grid[(i * size) + 8] += 0x20; - } - grid[(8 * size) + 8] += 20; -} - -void micro_populate_grid(unsigned char* grid, int size, char full_stream[]) -{ - int direction = 1; /* up */ - int row = 0; /* right hand side */ - - int i, n, x, y; - - n = strlen(full_stream); - y = size - 1; - i = 0; - do { - x = (size - 2) - (row * 2); - - if(!(grid[(y * size) + (x + 1)] & 0xf0)) { - if (full_stream[i] == '1') { - grid[(y * size) + (x + 1)] = 0x01; - } else { - grid[(y * size) + (x + 1)] = 0x00; - } - i++; - } - - if(i < n) { - if(!(grid[(y * size) + x] & 0xf0)) { - if (full_stream[i] == '1') { - grid[(y * size) + x] = 0x01; - } else { - grid[(y * size) + x] = 0x00; - } - i++; - } - } - - if(direction) { y--; } else { y++; } - if(y == 0) { - /* reached the top */ - row++; - y = 1; - direction = 0; - } - if(y == size) { - /* reached the bottom */ - row++; - y = size - 1; - direction = 1; - } - } while (i < n); -} - -int micro_evaluate(unsigned char *grid, int size, int pattern) -{ - int sum1, sum2, i, filter = 0, retval; - - switch(pattern) { - case 0: filter = 0x01; break; - case 1: filter = 0x02; break; - case 2: filter = 0x04; break; - case 3: filter = 0x08; break; - } - - sum1 = 0; - sum2 = 0; - for(i = 1; i < size; i++) { - if(grid[(i * size) + size - 1] & filter) { sum1++; } - if(grid[((size - 1) * size) + i] & filter) { sum2++; } - } - - if(sum1 <= sum2) { retval = (sum1 * 16) + sum2; } else { retval = (sum2 * 16) + sum1; } - - return retval; -} - -int micro_apply_bitmask(unsigned char *grid, int size) -{ - int x, y; - unsigned char p; - int pattern, value[8]; - int best_val, best_pattern; - int bit; - -#ifndef _MSC_VER - unsigned char mask[size * size]; - unsigned char eval[size * size]; -#else - unsigned char* mask = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); - unsigned char* eval = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); -#endif - - /* Perform data masking */ - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - mask[(y * size) + x] = 0x00; - - if (!(grid[(y * size) + x] & 0xf0)) { - if((y & 1) == 0) { - mask[(y * size) + x] += 0x01; - } - - if((((y / 2) + (x / 3)) & 1) == 0) { - mask[(y * size) + x] += 0x02; - } - - if(((((y * x) & 1) + ((y * x) % 3)) & 1) == 0) { - mask[(y * size) + x] += 0x04; - } - - if(((((y + x) & 1) + ((y * x) % 3)) & 1) == 0) { - mask[(y * size) + x] += 0x08; - } - } - } - } - - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - if(grid[(y * size) + x] & 0x01) { p = 0xff; } else { p = 0x00; } - - eval[(y * size) + x] = mask[(y * size) + x] ^ p; - } - } - - - /* Evaluate result */ - for(pattern = 0; pattern < 8; pattern++) { - value[pattern] = micro_evaluate(eval, size, pattern); - } - - best_pattern = 0; - best_val = value[0]; - for(pattern = 1; pattern < 4; pattern++) { - if(value[pattern] > best_val) { - best_pattern = pattern; - best_val = value[pattern]; - } - } - - /* Apply mask */ - for(x = 0; x < size; x++) { - for(y = 0; y < size; y++) { - bit = 0; - switch(best_pattern) { - case 0: if(mask[(y * size) + x] & 0x01) { bit = 1; } break; - case 1: if(mask[(y * size) + x] & 0x02) { bit = 1; } break; - case 2: if(mask[(y * size) + x] & 0x04) { bit = 1; } break; - case 3: if(mask[(y * size) + x] & 0x08) { bit = 1; } break; - } - if(bit == 1) { - if(grid[(y * size) + x] & 0x01) { - grid[(y * size) + x] = 0x00; - } else { - grid[(y * size) + x] = 0x01; - } - } - } - } - - return best_pattern; -} - -int microqr(struct zint_symbol *symbol, unsigned char source[], int length) -{ - int i, j, glyph, size; - char binary_stream[200]; - char full_stream[200]; - int utfdata[40]; - int jisdata[40]; - char mode[40]; - int error_number, kanji_used = 0, alphanum_used = 0, byte_used = 0; - int version_valid[4]; - int binary_count[4]; - int ecc_level, autoversion, version; - int n_count, a_count, bitmask, format, format_full; - - if(length > 35) { - strcpy(symbol->errtxt, "Input data too long"); - return ERROR_TOO_LONG; - } - - for(i = 0; i < 4; i++) { - version_valid[i] = 1; - } - - switch(symbol->input_mode) { - case DATA_MODE: - for(i = 0; i < length; i++) { - jisdata[i] = (int)source[i]; - } - break; - default: - /* Convert Unicode input to Shift-JIS */ - error_number = utf8toutf16(symbol, source, utfdata, &length); - if(error_number != 0) { return error_number; } - - for(i = 0; i < length; i++) { - if(utfdata[i] <= 0xff) { - jisdata[i] = utfdata[i]; - } else { - j = 0; - glyph = 0; - do { - if(sjis_lookup[j * 2] == utfdata[i]) { - glyph = sjis_lookup[(j * 2) + 1]; - } - j++; - } while ((j < 6843) && (glyph == 0)); - if(glyph == 0) { - strcpy(symbol->errtxt, "Invalid character in input data"); - return ERROR_INVALID_DATA; - } - jisdata[i] = glyph; - } - } - break; - } - - define_mode(mode, jisdata, length, 0); - - n_count = 0; - a_count = 0; - for(i = 0; i < length; i++) { - if((jisdata[i] >= '0') && (jisdata[i] <= '9')) { n_count++; } - if(in_alpha(jisdata[i])) { a_count++; } - } - - if(a_count == length) { - /* All data can be encoded in Alphanumeric mode */ - for(i = 0; i < length; i++) { - mode[i] = 'A'; - } - } - - if(n_count == length) { - /* All data can be encoded in Numeric mode */ - for(i = 0; i < length; i++) { - mode[i] = 'N'; - } - } - - error_number = micro_qr_intermediate(binary_stream, jisdata, mode, length, &kanji_used, &alphanum_used, &byte_used); - if(error_number != 0) { - strcpy(symbol->errtxt, "Input data too long"); - return error_number; - } - - get_bitlength(binary_count, binary_stream); - - /* Eliminate possivle versions depending on type of content */ - if(byte_used) { - version_valid[0] = 0; - version_valid[1] = 0; - } - - if(alphanum_used) { - version_valid[0] = 0; - } - - if(kanji_used) { - version_valid[0] = 0; - version_valid[1] = 0; - } - - /* Eliminate possible versions depending on length of binary data */ - if(binary_count[0] > 20) { version_valid[0] = 0; } - if(binary_count[1] > 40) { version_valid[1] = 0; } - if(binary_count[2] > 84) { version_valid[2] = 0; } - if(binary_count[3] > 128) { - strcpy(symbol->errtxt, "Input data too long"); - return ERROR_TOO_LONG; - } - - /* Eliminate possible versions depending on error correction level specified */ - ecc_level = LEVEL_L; - if((symbol->option_1 >= 1) && (symbol->option_2 <= 4)) { - ecc_level = symbol->option_1; - } - - if(ecc_level == LEVEL_H) { - strcpy(symbol->errtxt, "Error correction level H not available"); - return ERROR_INVALID_OPTION; - } - - if(ecc_level == LEVEL_Q) { - version_valid[0] = 0; - version_valid[1] = 0; - version_valid[2] = 0; - if(binary_count[3] > 80) { - strcpy(symbol->errtxt, "Input data too long"); - return ERROR_TOO_LONG; - } - } - - if(ecc_level == LEVEL_M) { - version_valid[0] = 0; - if(binary_count[1] > 32) { version_valid[1] = 0; } - if(binary_count[2] > 68) { version_valid[2] = 0; } - if(binary_count[3] > 112) { - strcpy(symbol->errtxt, "Input data too long"); - return ERROR_TOO_LONG; - } - } - - autoversion = 3; - if(version_valid[2]) { autoversion = 2; } - if(version_valid[1]) { autoversion = 1; } - if(version_valid[0]) { autoversion = 0; } - - version = autoversion; - /* Get version from user */ - if((symbol->option_2 >= 1) && (symbol->option_2 <= 4)) { - if(symbol->option_2 >= autoversion) { - version = symbol->option_2; - } - } - - /* If there is enough unused space then increase the error correction level */ - if(version == 3) { - if(binary_count[3] <= 112) { ecc_level = LEVEL_M; } - if(binary_count[3] <= 80) { ecc_level = LEVEL_Q; } - } - - if(version == 2) { - if(binary_count[2] <= 68) { ecc_level = LEVEL_M; } - } - - if(version == 1) { - if(binary_count[1] <= 32) { ecc_level = LEVEL_M; } - } - - strcpy(full_stream, ""); - microqr_expand_binary(binary_stream, full_stream, version); - - switch(version) { - case 0: micro_qr_m1(full_stream); break; - case 1: micro_qr_m2(full_stream, ecc_level); break; - case 2: micro_qr_m3(full_stream, ecc_level); break; - case 3: micro_qr_m4(full_stream, ecc_level); break; - } - - size = micro_qr_sizes[version - 1]; -#ifndef _MSC_VER - unsigned char grid[size * size]; -#else - unsigned char* grid = (unsigned char *)_alloca((size * size) * sizeof(unsigned char)); -#endif - - for(i = 0; i < size; i++) { - for(j = 0; j < size; j++) { - grid[(i * size) + j] = 0; - } - } - - micro_setup_grid(grid, size); - micro_populate_grid(grid, size, full_stream); - bitmask = micro_apply_bitmask(grid, size); - - /* Add format data */ - format = 0; - switch(version) { - case 1: switch(ecc_level) { - case 1: format = 1; break; - case 2: format = 2; break; - } - break; - case 2: switch(ecc_level) { - case 1: format = 3; break; - case 2: format = 4; break; - } - break; - case 3: switch(ecc_level) { - case 1: format = 5; break; - case 2: format = 6; break; - case 3: format = 7; break; - } - break; - } - - format_full = qr_annex_c1[(format << 2) + bitmask]; - - if(format_full & 0x4000) { grid[(8 * size) + 1] += 0x01; } - if(format_full & 0x2000) { grid[(8 * size) + 2] += 0x01; } - if(format_full & 0x1000) { grid[(8 * size) + 3] += 0x01; } - if(format_full & 0x800) { grid[(8 * size) + 4] += 0x01; } - if(format_full & 0x400) { grid[(8 * size) + 5] += 0x01; } - if(format_full & 0x200) { grid[(8 * size) + 6] += 0x01; } - if(format_full & 0x100) { grid[(8 * size) + 7] += 0x01; } - if(format_full & 0x80) { grid[(8 * size) + 8] += 0x01; } - if(format_full & 0x40) { grid[(7 * size) + 8] += 0x01; } - if(format_full & 0x20) { grid[(6 * size) + 8] += 0x01; } - if(format_full & 0x10) { grid[(5 * size) + 8] += 0x01; } - if(format_full & 0x08) { grid[(4 * size) + 8] += 0x01; } - if(format_full & 0x04) { grid[(3 * size) + 8] += 0x01; } - if(format_full & 0x02) { grid[(2 * size) + 8] += 0x01; } - if(format_full & 0x01) { grid[(1 * size) + 8] += 0x01; } - - symbol->width = size; - symbol->rows = size; - - for(i = 0; i < size; i++) { - for(j = 0; j < size; j++) { - if(grid[(i * size) + j] & 0x01) { - set_module(symbol, i, j); - } - } - symbol->row_height[i] = 1; - } - - return 0; -} -- 2.7.4