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Slight code reduction - use loops when converting to or from binary

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This commit is contained in:
Robin Stuart 2016-09-17 18:22:26 +01:00
parent 0dd072437e
commit b13efe334a
4 changed files with 97 additions and 487 deletions
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76
backend/imail.c
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@ -256,66 +256,6 @@ extern unsigned short USPS_MSB_Math_CRC11GenerateFrameCheckSequence(unsigned cha
return FrameCheckSequence;
}
void breakup(short int fcs_bit[], unsigned short usps_crc) {
int i;
for (i = 0; i < 13; i++) {
fcs_bit[i] = 0;
}
if (usps_crc >= 4096) {
fcs_bit[12] = 1;
usps_crc -= 4096;
}
if (usps_crc >= 2048) {
fcs_bit[11] = 1;
usps_crc -= 2048;
}
if (usps_crc >= 1024) {
fcs_bit[10] = 1;
usps_crc -= 1024;
}
if (usps_crc >= 512) {
fcs_bit[9] = 1;
usps_crc -= 512;
}
if (usps_crc >= 256) {
fcs_bit[8] = 1;
usps_crc -= 256;
}
if (usps_crc >= 128) {
fcs_bit[7] = 1;
usps_crc -= 128;
}
if (usps_crc >= 64) {
fcs_bit[6] = 1;
usps_crc -= 64;
}
if (usps_crc >= 32) {
fcs_bit[5] = 1;
usps_crc -= 32;
}
if (usps_crc >= 16) {
fcs_bit[4] = 1;
usps_crc -= 16;
}
if (usps_crc >= 8) {
fcs_bit[3] = 1;
usps_crc -= 8;
}
if (usps_crc >= 4) {
fcs_bit[2] = 1;
usps_crc -= 4;
}
if (usps_crc >= 2) {
fcs_bit[1] = 1;
usps_crc -= 2;
}
if (usps_crc == 1) {
fcs_bit[0] = 1;
}
}
int imail(struct zint_symbol *symbol, unsigned char source[], int length) {
char data_pattern[200];
int error_number;
@ -326,7 +266,7 @@ int imail(struct zint_symbol *symbol, unsigned char source[], int length) {
unsigned short usps_crc;
int codeword[10];
unsigned short characters[10];
short int bit_pattern[13], bar_map[130];
short int bar_map[130];
error_number = 0;
@ -625,21 +565,21 @@ int imail(struct zint_symbol *symbol, unsigned char source[], int length) {
characters[i] = AppxD_II[codeword[i] - 1287];
}
}
breakup(bit_pattern, usps_crc);
for (i = 0; i < 10; i++) {
if (bit_pattern[i] == 1) {
if (usps_crc & (1 << i)) {
characters[i] = 0x1FFF - characters[i];
}
}
/* *** Step 6 - Conversion from Characters to the Intelligent Mail Barcode *** */
for (i = 0; i < 10; i++) {
breakup(bit_pattern, characters[i]);
for (j = 0; j < 13; j++) {
bar_map[AppxD_IV[(13 * i) + j] - 1] = bit_pattern[j];
if (characters[i] & (1 << j)) {
bar_map[AppxD_IV[(13 * i) + j] - 1] = 1;
} else {
bar_map[AppxD_IV[(13 * i) + j] - 1] = 0;
}
}
}