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https://git.code.sf.net/p/zint/code
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Add Shift-JIS Kanji support to MicroQR
This commit is contained in:
hooper114
parent
7e0893aa30
commit
ee9d0eb601
2 changed files with 87 additions and 18 deletions
100
backend/micqr.c
100
backend/micqr.c
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@ -29,6 +29,7 @@
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#define NUMERIC 1
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#define ALPHANUM 2
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#define BYTE 3
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#define KANJI 4
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#define QRSET "0123456789ABCDEFGHIJKLNMOPQRSTUVWXYZ $%*+-./:"
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@ -156,6 +157,42 @@ void qrbyte_encode(char binary[], unsigned char source[])
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return;
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}
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int qrkanji_encode(char binary[], unsigned char source[])
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{ /* Assumes input is in Shift-JIS format */
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int i, len, h, val, count;
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len = ustrlen(source);
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count = 0;
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for(i=0; i<len; i+=2) {
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val = (source[i] << 8) | source[i+1];
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if(val <= 0x9ffc) {
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val -= 0x8140;
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} else {
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val -= 0xc140;
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}
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h = (val >> 8) * 0xc0;
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val = (val & 0xff) + h;
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if(val & 0x1000) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x800) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x400) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x200) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x100) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x80) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x40) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x20) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x10) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x08) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x04) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x02) { concat(binary, "1"); } else { concat(binary, "0"); }
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if(val & 0x01) { concat(binary, "1"); } else { concat(binary, "0"); }
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count++;
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}
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return count;
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}
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void versionm1(char binary_data[], unsigned char source[])
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{
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int input_length, i, latch;
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@ -357,6 +394,7 @@ void versionm3(char binary_data[], unsigned char source[], int char_system, int
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int bits_total, bits_left, remainder;
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int data_codewords, ecc_codewords;
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unsigned char data_blocks[12], ecc_blocks[9];
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int sjis_count;
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input_length = ustrlen(source);
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latch = 0;
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@ -368,19 +406,31 @@ void versionm3(char binary_data[], unsigned char source[], int char_system, int
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if(char_system == NUMERIC) { concat(binary_data, "00"); }
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if(char_system == ALPHANUM) { concat(binary_data, "01"); }
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if(char_system == BYTE) { concat(binary_data, "10"); }
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if(char_system == KANJI) { concat(binary_data, "11"); }
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/* Character count indicator */
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if(char_system == NUMERIC) {
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if(input_length & 0x10) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(char_system == KANJI) {
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concat(binary_data, "XXX"); /* Place holder */
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} else {
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if(char_system == NUMERIC) {
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if(input_length & 0x10) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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}
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if(input_length & 0x08) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x04) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x02) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x01) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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}
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if(input_length & 0x08) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x04) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x02) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x01) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(char_system == NUMERIC) { qrnumeric_encode(binary_data, source); }
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if(char_system == ALPHANUM) { qralpha_encode(binary_data, source); }
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if(char_system == BYTE) { qrbyte_encode(binary_data, source); }
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if(char_system == KANJI) { sjis_count = qrkanji_encode(binary_data, source); }
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if(char_system == KANJI) {
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if(sjis_count & 0x04) { binary_data[2] = '1'; } else { binary_data[2] = '0'; }
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if(sjis_count & 0x02) { binary_data[3] = '1'; } else { binary_data[3] = '0'; }
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if(sjis_count & 0x01) { binary_data[4] = '1'; } else { binary_data[4] = '0'; }
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}
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/* Add terminator */
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bits_left = bits_total - strlen(binary_data);
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@ -483,6 +533,7 @@ void versionm4(char binary_data[], unsigned char source[], int char_system, int
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int bits_total, bits_left, remainder;
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int data_codewords, ecc_codewords;
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unsigned char data_blocks[17], ecc_blocks[15];
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int sjis_count;
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input_length = ustrlen(source);
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latch = 0;
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@ -495,20 +546,33 @@ void versionm4(char binary_data[], unsigned char source[], int char_system, int
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if(char_system == NUMERIC) { concat(binary_data, "000"); }
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if(char_system == ALPHANUM) { concat(binary_data, "001"); }
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if(char_system == BYTE) { concat(binary_data, "010"); }
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if(char_system == KANJI) { concat(binary_data, "011"); }
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/* Character count indicator */
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if(char_system == NUMERIC) {
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if(input_length & 0x20) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(char_system == KANJI) {
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concat(binary_data, "XXXX"); /* Place holder */
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} else {
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if(char_system == NUMERIC) {
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if(input_length & 0x20) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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}
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if(input_length & 0x10) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x08) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x04) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x02) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x01) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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}
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if(input_length & 0x10) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x08) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x04) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x02) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(input_length & 0x01) { concat(binary_data, "1"); } else { concat(binary_data, "0"); }
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if(char_system == NUMERIC) { qrnumeric_encode(binary_data, source); }
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if(char_system == ALPHANUM) { qralpha_encode(binary_data, source); }
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if(char_system == BYTE) { qrbyte_encode(binary_data, source); }
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if(char_system == KANJI) { sjis_count = qrkanji_encode(binary_data, source); }
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if(char_system == KANJI) {
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if(sjis_count & 0x08) { binary_data[3] = '1'; } else { binary_data[3] = '0'; }
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if(sjis_count & 0x04) { binary_data[4] = '1'; } else { binary_data[4] = '0'; }
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if(sjis_count & 0x02) { binary_data[5] = '1'; } else { binary_data[5] = '0'; }
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if(sjis_count & 0x01) { binary_data[6] = '1'; } else { binary_data[6] = '0'; }
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}
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/* Add terminator */
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bits_left = bits_total - strlen(binary_data);
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@ -598,6 +662,7 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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symbol_size = 0;
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if(is_sane(QRSET, source) == 0) { char_system = ALPHANUM; }
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if(is_sane(NESET, source) == 0) { char_system = NUMERIC; }
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if(symbol->input_mode == KANJI_MODE) { char_system = KANJI; }
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width = 0;
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format = 0;
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@ -620,6 +685,7 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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case NUMERIC: if(input_length > 35) latch = 1; break;
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case ALPHANUM: if(input_length > 21) latch = 1; break;
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case BYTE: if(input_length > 15) latch = 1; break;
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case KANJI: if(input_length > 18) latch = 1; break;
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}
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break;
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case 2: /* ECC Level M */
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@ -627,6 +693,7 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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case NUMERIC: if(input_length > 30) latch = 1; break;
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case ALPHANUM: if(input_length > 18) latch = 1; break;
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case BYTE: if(input_length > 13) latch = 1; break;
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case KANJI: if(input_length > 16) latch = 1; break;
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}
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break;
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case 3: /* ECC Level Q */
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@ -635,6 +702,7 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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case NUMERIC: if(input_length > 21) latch = 1; break;
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case ALPHANUM: if(input_length > 13) latch = 1; break;
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case BYTE: if(input_length > 9) latch = 1; break;
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case KANJI: if(input_length > 10) latch = 1; break;
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}
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break;
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}
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@ -663,6 +731,9 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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symbol_size = 4;
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if(input_length <= 9) { symbol_size = 3; }
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break;
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case KANJI:
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symbol_size = 4;
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if(input_length <= 12) { symbol_size = 3; }
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}
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} else { /* ECC Level M */
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switch(char_system) {
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@ -680,6 +751,9 @@ int microqr(struct zint_symbol *symbol, unsigned char source[])
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symbol_size = 4;
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if(input_length <= 7) { symbol_size = 3; }
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break;
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case KANJI:
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symbol_size = 4;
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if(input_length <= 8) { symbol_size = 3; }
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}
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}
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}
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5
readme
5
readme
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@ -108,11 +108,6 @@ Research
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* Italian Postal Code
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* Japanese Postal Code
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Programming
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-----------
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Some things which need to be added to the library:
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* Micro QR Code currently does not support Kanji character encoding
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Coming Soon
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-----------
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Features which it is hoped will appear in this library soon:
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