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UPC/EAN: Add guard_bar descent (guard_descent)

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zint.h: Adjust field order to improve alignments; encoded_data 143 -> 144
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gitlost 2021-09-22 00:04:15 +01:00
parent 9bae0b86f9
commit 4009c86c5f
18 changed files with 791 additions and 335 deletions
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docs/manual.txt
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@ -1055,6 +1055,8 @@ symbology | integer | Symbol to use (see section | BARCODE_CODE128
height | float | Symbol height, excluding | Symbol
| | fixed width-to-height | dependent
| | symbols. [1] |
scale | float | Scale factor for adjusting | 1.0
| | size of image. |
whitespace_width | integer | Horizontal whitespace width.| 0
whitespace_height | integer | Vertical whitespace height. | 0
border_width | integer | Border width. | 0
@ -1083,8 +1085,9 @@ outfile | character | Contains the name of the | "out.png"
| | .svg, .tif or .txt |
| | followed by a terminat- |
| | ing \0. |
scale | float | Scale factor for adjusting | 1.0
| | size of image. |
primary | character | Primary message data for | "" (empty)
| string | more complex symbols, |
| | with a terminating \0. |
option_1 | integer | Symbol specific options. | -1
option_2 | integer | Symbol specific options. | 0
option_3 | integer | Symbol specific options. | 0
@ -1093,17 +1096,18 @@ input_mode | integer | Set encoding of input data | DATA_MODE
| | (see section 5.10) |
eci | integer | Extended Channel Interpre- | 0 (none)
| | tation code. |
dot_size | float | Size of dots used in dotty | 4.0 / 5.0
| | mode. |
guard_descent | float | Height of guard bar descent | 5.0
| | (UPC/EAN only). |
warn_level | integer | Affects error/warning value | WARN_DEFAULT
| | returned by Zint API. |
text | unsigned | Human Readable Text, which | "" (empty)
| character | usually consists of in- |
| string | put data plus one more |
| | check digit. Uses UTF-8 |
| | formatting, with a |
| | terminating \0. |
primary | character | Primary message data for | "" (empty)
| string | more complex symbols, |
| | with a terminating \0. |
dot_size | float | Size of dots used in dotty | 4.0 / 5.0
| | mode. |
rows | integer | Number of rows used by the | (output only)
| | the symbol. |
width | integer | Width of the generated sym- | (output only)
@ -1133,8 +1137,6 @@ bitmap_byte_length| integer | Size of BMP bitmap data. | (output only)
vector | pointer to | Pointer to vector header | (output only)
| vector | containing pointers to |
| structure | vector elements. |
warn_level | integer | Affects error/warning value | WARN_DEFAULT
| | returned by Zint API. |
--------------------------------------------------------------------------------
[1] This value is ignored for Aztec (including HIBC and Aztec Rune), Code One,
@ -1637,7 +1639,9 @@ before encoding.
You can adjust the gap between the main symbol and an add-on in multiples of
the X-dimension by setting --addongap= (option_2) to a value between 9 (default)
and 12.
and 12. The height in X-dimensions that the guard bars descend below the main
bars can be adjusted by setting --guarddescent= (field guard_descent in the
symbol structure) to a value between 0 and 20 (default 5).
6.1.3.2 UPC Version E
---------------------
@ -1662,7 +1666,9 @@ before encoding.
You can adjust the gap between the main symbol and an add-on in multiples of
the X-dimension by setting --addongap= (option_2) to a value between 7 (default)
and 12.
and 12. The height in X-dimensions that the guard bars descend below the main
bars can be adjusted by setting --guarddescent= (field guard_descent in the
symbol structure) to a value between 0 and 20 (default 5).
6.1.4 European Article Number (EN 797)
--------------------------------------
@ -1697,7 +1703,9 @@ the check digit then you can use symbology BARCODE_EANX_CHK (14) which takes an
You can adjust the gap between the main symbol and an add-on in multiples of
the X-dimension by setting --addongap= (option_2) to a value between 7 (default)
and 12.
and 12. The height in X-dimensions that the guard bars descend below the main
bars can be adjusted by setting --guarddescent= (field guard_descent in the
symbol structure) to a value between 0 and 20 (default 5).
6.1.4.2 SBN, ISBN and ISBN-13
-----------------------------
@ -1706,7 +1714,9 @@ EAN-13 symbols (also known as Bookland EAN-13) can also be produced from
needs to be present in the input data and will be verified before the symbol is
generated. In addition EAN-2 and EAN-5 add-on symbols can be added using the +
symbol as with UPC symbols, and the gap set with --addongap= (option_2) to
between 7 (default) and 12.
between 7 (default) and 12. The height that the guard bars descend can be
adjusted by setting --guarddescent= (field guard_descent in the symbol
structure) to a value between 0 and 20 (default 5).
6.1.5 Plessey
-------------