======================================================================== 8 bit data to QR-coded 8 bit data
| 127 | //======================================================================== |
| 128 | // 8 bit data to QR-coded 8 bit data |
| 129 | void stringtoqr(void) |
| 130 | { |
| 131 | unsigned i; |
| 132 | unsigned size, max; |
| 133 | size = strlen((char *) strinbuf); |
| 134 | |
| 135 | max = datablkw * (neccblk1 + neccblk2) + neccblk2; |
| 136 | if (size >= max - 2) { |
| 137 | size = max - 2; |
| 138 | if (VERSION > 9) |
| 139 | size--; |
| 140 | } |
| 141 | |
| 142 | i = size; |
| 143 | if (VERSION > 9) { |
| 144 | strinbuf[i + 2] = 0; |
| 145 | while (i--) { |
| 146 | strinbuf[i + 3] |= strinbuf[i] << 4; |
| 147 | strinbuf[i + 2] = strinbuf[i] >> 4; |
| 148 | } |
| 149 | strinbuf[2] |= size << 4; |
| 150 | strinbuf[1] = size >> 4; |
| 151 | strinbuf[0] = 0x40 | (size >> 12); |
| 152 | } else { |
| 153 | strinbuf[i + 1] = 0; |
| 154 | while (i--) { |
| 155 | strinbuf[i + 2] |= strinbuf[i] << 4; |
| 156 | strinbuf[i + 1] = strinbuf[i] >> 4; |
| 157 | } |
| 158 | strinbuf[1] |= size << 4; |
| 159 | strinbuf[0] = 0x40 | (size >> 4); |
| 160 | } |
| 161 | i = size + 3 - (VERSION < 10); |
| 162 | while (i < max) { |
| 163 | strinbuf[i++] = 0xec; |
| 164 | // buffer has room if (i == max) break; |
| 165 | strinbuf[i++] = 0x11; |
| 166 | } |
| 167 | |
| 168 | // calculate and append ECC |
| 169 | unsigned char *ecc = &strinbuf[max]; |
| 170 | unsigned char *dat = strinbuf; |
| 171 | initrspoly(eccblkwid,qrframe); |
| 172 | |
| 173 | for (i = 0; i < neccblk1; i++) { |
| 174 | appendrs(dat, datablkw, ecc, eccblkwid, qrframe); |
| 175 | dat += datablkw; |
| 176 | ecc += eccblkwid; |
| 177 | } |
| 178 | for (i = 0; i < neccblk2; i++) { |
| 179 | appendrs(dat, datablkw + 1, ecc, eccblkwid, qrframe); |
| 180 | dat += datablkw + 1; |
| 181 | ecc += eccblkwid; |
| 182 | } |
| 183 | unsigned j; |
| 184 | dat = qrframe; |
| 185 | for (i = 0; i < datablkw; i++) { |
| 186 | for (j = 0; j < neccblk1; j++) |
no test coverage detected