+++ /dev/null
-/* qr.c Handles QR Code */
-
-/*
- libzint - the open source barcode library
- Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
-
- 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 <string.h>
-#ifdef _MSC_VER
-#include <malloc.h>
-#endif
-#include "common.h"
-#include <stdio.h>
-#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<percentage)
- m=x;
- }
-
- k=abs((m-50)/5);
- k2=abs((m+5-50)/5);
-
- int smallest=k;
- if(k2<smallest)
- smallest=k2;
-
- result += 10 * smallest;
-
- return result;
-}
-
-void add_format_info_eval(unsigned char *eval, 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++) {
- eval[(i * size) + 8] = (seq >> 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;
-}
projects / platform / upstream / libzint.git / commitdiff