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Matrix symbols: change horizontal boundary bars to appear outside any

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vertical whitespace, as they're decorative rather than functional (#247)
Allow for dot overspill in height of vertical box sides (dotty mode)
Move is_dotty(), is_fixed_ratio() from library.c to common.c
This commit is contained in:
gitlost 2022-01-01 15:24:59 +00:00
parent e8163c7933
commit 25807ad43c
24 changed files with 217 additions and 167 deletions
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43
backend/common.c
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@ -298,6 +298,49 @@ INTERNAL int is_composite(const int symbology) {
return symbology >= BARCODE_EANX_CC && symbology <= BARCODE_DBAR_EXPSTK_CC;
}
/* Returns 1 if symbology is a matrix design renderable as dots */
INTERNAL int is_dotty(const int symbology) {
switch (symbology) {
/* Note MAXICODE and ULTRA absent */
case BARCODE_QRCODE:
case BARCODE_DATAMATRIX:
case BARCODE_MICROQR:
case BARCODE_HIBC_DM:
case BARCODE_AZTEC:
case BARCODE_HIBC_QR:
case BARCODE_HIBC_AZTEC:
case BARCODE_AZRUNE:
case BARCODE_CODEONE:
case BARCODE_GRIDMATRIX:
case BARCODE_HANXIN:
case BARCODE_DOTCODE:
case BARCODE_UPNQR:
case BARCODE_RMQR:
return 1;
break;
}
return 0;
}
/* Returns 1 if symbology has fixed aspect ratio (matrix design) */
INTERNAL int is_fixed_ratio(const int symbology) {
if (is_dotty(symbology)) {
return 1;
}
switch (symbology) {
case BARCODE_MAXICODE:
case BARCODE_ULTRA:
return 1;
break;
}
return 0;
}
/* Whether next two characters are digits */
INTERNAL int is_twodigits(const unsigned char source[], const int length, const int position) {
if ((position + 1 < length) && (source[position] >= '0') && (source[position] <= '9')