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Add alpha channel support and --nobackground option

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Alpha channel for PNG and SVG and option to remove background from EMF
This commit is contained in:
Robin Stuart 2020-08-02 22:26:39 +01:00
parent 18e3b41e0f
commit 47cac63e7f
9 changed files with 195 additions and 72 deletions
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9
frontend/main.c
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@ -108,6 +108,7 @@ static void usage(void) {
" --init Create reader initialisation/programming symbol\n"
" --mirror Use batch data to determine filename\n"
" --mode=NUMBER Set encoding mode (Maxicode/Composite)\n"
" --nobackground Remove background (PNG/SVG/EPS only)\n"
" --notext Remove human readable text\n"
" -o, --output=FILE Send output to FILE. Default is out.png\n"
" --primary=STRING Set structured primary message (Maxicode/Composite)\n"
@ -508,6 +509,7 @@ int main(int argc, char **argv) {
{"gssep", 0, 0, 0},
{"binary", 0, 0, 0},
{"fullmultibyte", 0, 0, 0},
{"nobackground", 0, 0, 0},
{"notext", 0, 0, 0},
{"square", 0, 0, 0},
{"dmre", 0, 0, 0},
@ -574,10 +576,10 @@ int main(int argc, char **argv) {
}
}
if (!strcmp(long_options[option_index].name, "fg")) {
strncpy(my_symbol->fgcolour, optarg, 7);
strncpy(my_symbol->fgcolour, optarg, 9);
}
if (!strcmp(long_options[option_index].name, "bg")) {
strncpy(my_symbol->bgcolour, optarg, 7);
strncpy(my_symbol->bgcolour, optarg, 9);
}
if (!strcmp(long_options[option_index].name, "fullmultibyte")) {
fullmultibyte = 1;
@ -806,6 +808,9 @@ int main(int argc, char **argv) {
fflush(stderr);
}
}
if (!strcmp(long_options[option_index].name, "nobackground")) {
strcpy(my_symbol->bgcolour, "ffffff00");
}
break;
case 'h':