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Alter 'dump' option to give hexadecimal output

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This commit is contained in:
Robin Stuart 2016-02-18 23:23:31 +00:00
parent 653105b81d
commit ae335b104a
2 changed files with 27 additions and 6 deletions
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31
backend/library.c
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@ -215,8 +215,13 @@ void error_tag(char error_string[], int error_number)
int dump_plot(struct zint_symbol *symbol)
{
/* Output a hexadecimal representation of the rendered symbol */
FILE *f;
int i, r;
int byt;
char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
'9', 'A', 'B', 'C', 'D', 'E', 'F'};
int space = 0;
if(symbol->output_options & BARCODE_STDOUT) {
f = stdout;
@ -228,15 +233,31 @@ int dump_plot(struct zint_symbol *symbol)
}
}
fputs("[\n", f);
for (r = 0; r < symbol->rows; r++) {
fputs(" [ ", f);
byt = 0;
for (i = 0; i < symbol->width; i++) {
fputs(module_is_set(symbol, r, i) ? "1 " : "0 ", f);
byt = byt << 1;
if (module_is_set(symbol, r, i)) {
byt += 1;
}
fputs("]\n", f);
if (((i + 1) % 4) == 0) {
fputc(hex[byt], f);
space++;
byt = 0;
}
if (space == 2) {
fputc(' ', f);
space = 0;
}
}
if ((symbol->width % 4) != 0) {
byt = byt << (4 - (symbol->width % 4));
fputc(hex[byt], f);
}
fputs("\n", f);
space = 0;
}
fputs("]\n", f);
if(symbol->output_options & BARCODE_STDOUT) {
fflush(f);

2
frontend/main.c
View File

@ -91,7 +91,7 @@ void usage(void)
" --directpng Send PNG output to stdout\n"
" --directeps Send EPS output to stdout\n"
" --directsvg Send SVG output to stdout\n"
" --dump Dump binary data to stdout\n"
" --dump Dump hexadecimal representation to stdout\n"
" --rotate=NUMBER Rotate symbol (PNG output only).\n"
" --cols=NUMBER (PDF417) Number of columns.\n"
" --vers=NUMBER (QR Code) Version\n"