mirror of
https://git.code.sf.net/p/zint/code
synced 2025-05-24 03:56:56 -04:00
- API: add new zint_symbol dpmm field for output resolution (BMP/
EMF/PCX/PNG/TIF only, i.e. excluding EPS, GIF & SVG) - Add support for specifying scale by X-dimension and resolution with new option `--scalexdimdp` for CLI/Tcl & new API function `ZBarcode_Scale_From_XdimDp()` (+ `ZBarcode_XdimDp_From_Scale()` & `ZBarcode_Default_Xdim()`) and new GUI popup; manual: document - BMP/EMF/PCX/PNG/TIF: use new `dpmm` resolution field (for EMF following Inkscape) - backend_qt: add `dpmm()`, `vectorWidth()`, `vectorHeight()`, `noPng()`, `getVersion()`, `takesGS1AIData()`, & `XdimDp` stuff incl. new `QZintXdimDp` struct for passing around scale vars & use in `getAsCLI()`; add comments - Raise `scale` limit to 200 (from 100) to allow for large dpmm - output: create directories & subdirectories as necessary for output path using new function `out_fopen()` and use in BMP/EMF/ EPS/GIF/PCX/PNG/SVG/TIF - DPLEIT/DPIDENT: format HRT according to (incomplete) documentation, and set default height to 72X (from 50X) - CODE128B renamed to CODE128AB as can use subsets A and/or B - CODABAR: fix minimum height calc - EMF: fix indexing of handles (zero-based not 1-based) - GUI: fix symbology zap (previous technique of clearing and re-loading settings without doing a sync no longer works); fix UPCEAN guard descent enable - MAILMARK: better error message if input < 14 characters - GUI: add "Default" button for DAFT tracker ratio & enable/disable various default buttons; use new `takesGS1AIData()` to enable/disable GS1-specific checkboxes - CLI: use new `validate_float()` to parse float options (7 significant digits allowed only, no scientific notation) - DATAMATRIX/GRIDMATRIX/PDF417/QR/ULTRA: micro-optimize structapp ID parse - library/CLI: fiddle with static asserts (make CHAR_BIT sensitive, supposedly) - win32/README: update building libpng (assembly removed) - README.linux: document incompatibility of Qt6 >= 6.3 - manual: expand Barcode Studio waffle - test suite: change range separator to hyphen and allow multiple excludes
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docs/manual.pmd
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docs/manual.pmd
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@ -1,6 +1,6 @@
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% Zint Barcode Generator and Zint Barcode Studio User Manual
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% Version 2.11.1.9
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% November 2022
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% December 2022
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# 1. Introduction
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@ -250,6 +250,17 @@ only show barcodes in the drop-down whose names contain the word `"mail"`. Each
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word entered will match. So typing `"mail post"` will show barcodes whose names
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contain `"mail"` or `"post"` (or both).
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The ellipsis button `"..."` to the right of the data text box invokes the Data
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Dialog - see [3.6 Data Dialog] for details. The delete button
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 next to it will clear the data text box and
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the ECI (Extended Channel Interpretations) drop-down if set.
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To set the barcode as a Programming Initialisation symbol click the
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`"Reader Init"` checkbox. The `"1234.."` button to its right invokes the
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Sequence Dialog - see [3.7 Sequence Dialog]. The zap button
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 will clear all data and reset all settings for the
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barcode to defaults.
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The `"BMP"` and `"SVG"` buttons at the bottom will copy the image to the
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clipboard in BMP format and SVG format respectively. Further copy-to-clipboard
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formats are available by clicking the `"Menu"` button, along with
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@ -295,23 +306,40 @@ part of a Structured Append sequence of symbols.
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The Appearance tab can be used to adjust the dimensions and other properties of
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the symbol. The `"Height"` value affects the height of symbologies which do not
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have a fixed width-to-height ratio, i.e. those other than matrix symbologies.
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Boundary bars (`"Border Type"`) can be added and adjusted (`"Border Width"`) and
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the size of the saved image (`"Printing Scale"`) can be specified.
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the symbol.
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## 3.6 Colour Dialog
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The `"Height"` value affects the height of symbologies which do not have a fixed
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width-to-height ratio, i.e. those other than matrix symbologies. For such
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symbologies the `"Automatic Height"` checkbox will be enabled - uncheck this to
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manually adjust the height. The `"Compliant Height"` checkbox applies to
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symbologies that define a standard height - see [4.4 Adjusting Height].
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Boundary bars can be added with the `"Border Type"` drop-down and their size
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adjusted with `"Border Width"`, and whitespace can be adjusted both horizontally
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(first spinbox) and vertically (second spinbox), and also through the
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`"Quiet Zones"` checkbox if standard quiet zones are defined for the symbology.
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The size of the saved image can be specified with `"Printing Scale"`, and also
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by clicking the  icon to invoke the "Set
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Printing Scale" dialog - see [4.9 Adjusting Image Size] for further details.
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The foreground and background colours can be set either using the text boxes
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which accept RRGGBBAA hexadecimal values or by clicking the foreground eye
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 and background eye
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 buttons which invoke a colour picker.
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A colour dialog is used to adjust the colour of the foreground and background of
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the generated image. In the Appearance tab click on the foreground eye
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 or background eye
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 button respectively. The colours can be reset
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to black-on-white using the `"Reset"` button, and exchanged one for the other
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using the swap  button next to it.
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(Note that to change the colours visually, the luminence slider, the long narrow
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column on the right, must be adjusted.)
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## 3.7 Data Dialog
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The colours can be reset to black-on-white using the `"Reset"` button, and
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exchanged one for the other using the swap  button
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next to it.
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## 3.6 Data Dialog
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@ -329,7 +357,7 @@ box any separate lines in the data will be escaped as `'\n'` and the
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carriage returns (`CR`) or `CR+LF` pairs, and behaves the same on both
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Windows and Unix. (For details on escape sequences, see [4.1 Inputting Data].)
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## 3.8 Sequence Dialog
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## 3.7 Sequence Dialog
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@ -351,7 +379,7 @@ meanings as given below:
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Table: {#tbl:sequence_format_characters tag=": Sequence Format Characters"}
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## 3.9 Export Dialog
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## 3.8 Export Dialog
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@ -361,7 +389,7 @@ Dialog sets the parameters for exporting a sequence of barcode images. Here you
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can set the filename and the output image format. Note that the symbology,
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colour and other formatting information are taken from the main window.
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## 3.10 CLI Equivalent Dialog
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## 3.9 CLI Equivalent Dialog
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@ -510,6 +538,13 @@ for the other supported file types:
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zint -o there.eps -d "This Text"
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```
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The filename can contain directories and sub-directories also, which will be
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created if they don't already exist:
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```bash
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zint -o "dir/subdir/filename.eps" -d "This Text"
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```
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## 4.3 Selecting Barcode Type
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Selecting which type of barcode you wish to produce (i.e. which symbology to
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@ -613,7 +648,7 @@ Value
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58 `BARCODE_QRCODE` QR Code
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60 `BARCODE_CODE128B` Code 128 (Subset B)
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60 `BARCODE_CODE128AB` Code 128 (Suppress subset C)
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63 `BARCODE_AUSPOST` Australia Post Standard Customer
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@ -929,11 +964,11 @@ The scale of the image can be altered using the `--scale` option followed by a
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multiple of the default X-dimension. The scale is multiplied by 2 (with the
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exception of MaxiCode) before being applied. The default scale is 1.
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For MaxiCode, the scale is multiplied by 10 for raster output, by 20 for EMF
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For MaxiCode, the scale is multiplied by 10 for raster output, by 40 for EMF
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vector output, and by 2 otherwise (non-EMF vector output).
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For raster output, the default X-dimension is 2 pixels (except for MaxiCode, see
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[4.9.2 MaxiCode Raster Scaling] below). For example for PNG images a scale of 5
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[4.9.3 MaxiCode Raster Scaling] below). For example for PNG images a scale of 5
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will increase the X-dimension to 10 pixels. Scales for raster output should be
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given in increments of 0.5, i.e. 0.5, 1, 1.5, 2, 2.5, 3, 3.5, etc., to avoid the
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X-dimension varying across the symbol due to interpolation. 0.5 increments are
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@ -946,63 +981,73 @@ Dots]).
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The minimum scale for vector output is 0.1, giving a minimum X-dimension of 0.2.
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The maximum scale for both raster and vector is 100.
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The maximum scale for both raster and vector is 200.
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### 4.9.1 Scaling Example
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### 4.9.1 Scaling by X-dimension and Resolution
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An alternative way to specify the scale which takes these details into account
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is to use the `--scalexdimdp` option, which has the format
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```
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--scalexdimdp=X[,R]
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```
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where `X` is the X-dimension (in mm by default) and `R` is the resolution (in
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dpmm, dots per mm, by default). `R` is optional, and defaults to 12 dpmm, and
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`X` may be zero, in which case it uses a symbology-specific default. The units
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may be given in inches for `X` by appending `"in"`, and in dpi (dots per inch)
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for `R` by appending `"dpi"`. For example
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```bash
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zint -d "1234" --scalexdimdp=0.013in,300dpi
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```
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Explicit metric units may also be given by appending `"mm"` and `"dpmm"` as
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appropriate, and may be mixed with U.S. units:
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```bash
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zint -d "1234" --scalexdimdp=0.33mm,300dpi
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```
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### 4.9.2 Scaling Example
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The GS1 General Specifications Section 5.2.6.6 'Symbol dimensions at nominal
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size' gives an example of an EAN-13 barcode using the X-dimension of 0.33mm. To
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print that example as a PNG at 12 dots per mm (dpmm), the equivalent of 300 dots
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per inch (`dpi = dpmm * 25.4`), specify a scale of 2, since `0.33 * 12 = 3.96`
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pixels, or 4 pixels rounding to the nearest pixel:
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print that example as a PNG at 12 dpmm, the approximate equivalent of 300 dpi
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(`dpi = dpmm * 25.4`), specify a scale of 2, since `0.33 * 12 = 3.96` pixels, or
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4 pixels rounding to the nearest pixel:
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```bash
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zint -b EANX -d "501234567890" --compliantheight --scale=2
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```
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This will result in output of 38.27mm x 26.08mm (WxH) at 300 dpi. The following
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table shows the scale to use (in 0.5 increments) depending on the dpmm desired,
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for a target X-dimension of 0.33mm:
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This will result in output of 37.29mm x 25.56mm (WxH) at 12 dpmm. The same
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result can be achieved using the `--scalexdimdp` option with
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dpmm dpi scale
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---- ---- -----
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6 150 1
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8 200 1.5
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12 300 2
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16 400 3
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24 600 4
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47 1200 8
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95 2400 15.5
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189 4800 31
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```bash
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zint -b EANX -d "501234567890" --compliantheight --scalexdimdp=0
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```
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Table: {#tbl:scaling_xdim_0_33mm tag=": Scaling for X-dimension 0.33mm"}
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as 0.33mm is the default X-dimension for EAN, and 12 dpmm the default
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resolution.
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### 4.9.2 MaxiCode Raster Scaling
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### 4.9.3 MaxiCode Raster Scaling
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For MaxiCode symbols, which use hexagons, the scale for raster output is
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multiplied by 10 before being applied. The minimum scale is 0.2, so the minimum
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X-dimension is 2 pixels.
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multiplied by 10 before being applied. The 0.5 increment recommended for normal
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raster output does not apply.
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The minimum scale is 0.2, so the minimum X-dimension is 2 pixels. However scales
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below 0.5 are not recommended and may produce symbols that are not within the
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following size ranges.
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MaxiCode symbols have fixed size ranges of 24.82mm to 27.93mm in width, and
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23.71mm to 26.69mm in height, excluding quiet zones. The following table shows
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the scale to use depending on the dpmm desired, with dpi equivalents:
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23.71mm to 26.69mm in height, excluding quiet zones. The default X-dimension is
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0.88mm. For example, to output at the default X-dimension at 600 dpi specify:
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dpmm dpi scale
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---- ---- -----
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6 150 0.5
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8 200 0.7
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12 300 1
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16 400 1.4
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24 600 2.1
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47 1200 4.1
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95 2400 8.2
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189 4800 16.4
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Table: {#tbl:maxicode_raster_scaling tag=": MaxiCode Raster Scaling"}
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Note that the 0.5 increment recommended for normal raster output does not apply.
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Scales below 0.5 are not recommended and may produce symbols that are not within
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the minimum/maximum size ranges.
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```bash
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zint -b MAXICODE -d "MaxiCode (19 chars)" --scalexdimdp=0,600dpi
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```
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## 4.10 Input Modes
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@ -1270,6 +1315,16 @@ Input Filenames Generated
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Table: {#tbl:batch_filename_examples tag=": Batch Filename Examples"}
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The special characters can span directories also, which is useful when creating
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a large number of barcodes:
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Input Filenames Generated
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-------------------- ------------------------------------------------------
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`-o dir~/file~~~.svg` `dir0/file001.svg`, `dir0/file002.svg`, ...
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, `dir0/file999.svg`, `dir1/file000.svg`, ...
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Table: {#tbl:batch_dir_examples tag=": Batch Directory Examples"}
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## 4.12 Direct Output
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The finished image files can be output directly to stdout for use as part of a
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@ -1731,7 +1786,11 @@ Variable Name Type Meaning Default Value
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`eci` integer Extended Channel 0 (none)
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Interpretation code.
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`dot_size` float Diameter of dots used in 4.0 / 5.0
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`dpmm` float Resolution of output in dots 0 (none)
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per mm (BMP/EMF/PCX/PNG/TIF
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only).
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`dot_size` float Diameter of dots used in 0.8
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dotty mode.
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`guard_descent` float Height of guard bar 5.0
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@ -2142,7 +2201,53 @@ int main(int argc, char **argv)
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A maximum of 256 segments may be specified. Use of multiple segments with GS1
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data is not currently supported.
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## 5.12 Verifying Symbology Availability
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## 5.12 Scaling Helpers
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To help with scaling the output, the following three function are available:
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```c
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float ZBarcode_Default_Xdim(int symbol_id);
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float ZBarcode_Scale_From_XdimDp(int symbol_id, float x_dim_mm, float dpmm,
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const char *filetype) {
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float ZBarcode_XdimDP_From_Scale(int symbol_id, float scale,
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float x_dim_mm_or_dpmm, const char *filetype);
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```
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The first `ZBarcode_Default_Xdim()` returns the default X-dimension suggested by
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Zint for symbology `symbol_id`.
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The second `ZBarcode_Scale_From_XdimDp()` returns the scale to use to output to
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a file of type `filetype` with X-dimension `x_dim_mm` at `dpmm` dots per mm. The
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given X-dimension must be non-zero and less than or equal to 10mm, however
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`dpmm` may be zero and defaults to 12 dpmm, and `filetype` may be NULL or empty
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in which case a GIF filetype is assumed. For raster output (BMP/GIF/PCX/PNG/TIF)
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the scale is rounded to half-integer increments.
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For example:
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```c
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my_symbol->symbology = BARCODE_RM4SCC; /* Royal Mail 4-State Customer Code */
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my_symbol->dpmm = 600.0f / 25.4f; /* 600 dpi */
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my_symbol->scale = ZBarcode_Scale_From_XdimDp(
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my_symbol->symbology,
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ZBarcode_Default_Xdim(my_symbol->symbology),
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my_symbol->dpmm, "PNG"); /* 7.5 */
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```
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The third function `ZBarcode_XdimDP_From_Scale()` is the "reverse" of
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`ZBarcode_Scale_From_XdimDp()`, returning the X-dimension (in mm) or the dot
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density (in dpmm) given a scale `scale`. Both `scale` and `x_dim_mm_or_dpmm`
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must be non-zero. The returned value is bound to the maximum value of dpmm
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(1000), so must be further bound to 10 on return if the X-dimension is sought.
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Note that the X-dimension to use is application dependent, and varies not only
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due to the symbology, resolution and filetype but also due to the type of
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scanner used, the intended scanning distance, and what media ("substrates") the
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barcode appears on.
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## 5.13 Verifying Symbology Availability
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An additional function available in the API is:
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@ -2180,7 +2285,7 @@ if (ZBarcode_BarcodeName(BARCODE_PDF417, name) == 0) {
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will print `BARCODE_PDF417`.
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|
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## 5.13 Checking Symbology Capabilities
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## 5.14 Checking Symbology Capabilities
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It can be useful for frontend programs to know the capabilities of a symbology.
|
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This can be determined using another additional function:
|
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|
|
@ -2246,7 +2351,7 @@ if (cap & ZINT_CAP_ECI) {
|
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}
|
||||
```
|
||||
|
||||
## 5.14 Zint Version
|
||||
## 5.15 Zint Version
|
||||
|
||||
Whether the Zint library linked to was built with PNG support may be determined
|
||||
with:
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|
|
@ -2362,16 +2467,16 @@ bind or bindtop) and leaving the border width 0.
|
|||
|
||||
|
||||
Leitcode is based on Interleaved Code 2 of 5 and is used by Deutsche Post for
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||||
mailing purposes. Leitcode requires a 13-digit numerical input and includes a
|
||||
check digit.
|
||||
routing purposes. Leitcode requires a 13-digit numerical input to which Zint
|
||||
adds a check digit.
|
||||
|
||||
#### 6.1.2.8 Deutsche Post Identcode
|
||||
|
||||
|
||||
|
||||
Identcode is based on Interleaved Code 2 of 5 and is used by Deutsche Post for
|
||||
mailing purposes. Identcode requires an 11-digit numerical input and includes a
|
||||
check digit.
|
||||
identification purposes. Identcode requires an 11-digit numerical input to which
|
||||
Zint adds a check digit.
|
||||
|
||||
|
||||
\clearpage
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||||
|
|
@ -2389,7 +2494,7 @@ to draw a UPC-A symbol with the data 72527270270 with an EAN-5 add-on showing
|
|||
the data 12345 use the command:
|
||||
|
||||
```bash
|
||||
zint -b UPCA -d 72527270270+12345
|
||||
zint -b UPCA -d "72527270270+12345"
|
||||
```
|
||||
|
||||
or using the API encode a data string with the + character included:
|
||||
|
|
@ -2423,7 +2528,7 @@ encoding by entering a 7-digit article number starting with the digit 1. For
|
|||
example:
|
||||
|
||||
```bash
|
||||
zint -b UPCE -d 1123456
|
||||
zint -b UPCE -d "1123456"
|
||||
```
|
||||
|
||||
or
|
||||
|
|
@ -2456,7 +2561,7 @@ data. In addition EAN-2 and EAN-5 add-on symbols can be added to EAN-8 and
|
|||
EAN-13 symbols using the + character as with UPC symbols. For example:
|
||||
|
||||
```bash
|
||||
zint -b EANX -d 54321
|
||||
zint -b EANX -d "54321"
|
||||
```
|
||||
|
||||
|
||||
|
|
@ -2464,7 +2569,7 @@ zint -b EANX -d 54321
|
|||
will encode a stand-alone EAN-5, whereas
|
||||
|
||||
```bash
|
||||
zint -b EANX -d 7432365+54321
|
||||
zint -b EANX -d "7432365+54321"
|
||||
```
|
||||
|
||||
will encode an EAN-8 symbol with an EAN-5 add-on. As before these results can
|
||||
|
|
@ -2599,7 +2704,7 @@ PZN encodes a 7-digit number to which Zint will add a modulo-11 check digit.
|
|||
--vers=1`](images/logmars.svg)
|
||||
|
||||
LOGMARS (Logistics Applications of Automated Marking and Reading Symbols) is a
|
||||
variation of the Code 39 symbology used by the US Department of Defense.
|
||||
variation of the Code 39 symbology used by the U.S. Department of Defense.
|
||||
LOGMARS encodes the same character set as Standard Code 39. It does not require
|
||||
a check digit but a modulo-43 check digit can be added by setting `--vers=1`
|
||||
(API `option_2 = 1`).
|
||||
|
|
@ -2669,13 +2774,16 @@ the encoding of ISO/IEC 8859-1 (non-English) characters in Code 128 symbols. The
|
|||
ISO/IEC 8859-1 character set is shown in Appendix [A.2 Latin Alphabet No. 1
|
||||
(ISO/IEC 8859-1)].
|
||||
|
||||
#### 6.1.10.2 Code 128 Subset B
|
||||
#### 6.1.10.2 Code 128 Suppress Subset C (Subsets A and B only)
|
||||
|
||||
|
||||
|
||||
|
||||
It is sometimes advantageous to stop Code 128 from using subset mode C which
|
||||
compresses numerical data. The `BARCODE_CODE128B` variant (symbology 60)
|
||||
suppresses mode C in favour of mode B.
|
||||
compresses numerical data. The `BARCODE_CODE128AB`[^10] variant (symbology 60)
|
||||
suppresses mode C in favour of modes A and B.
|
||||
|
||||
[^10]: `BARCODE_CODE128AB` previously used the name `BARCODE_CODE128B`, which is
|
||||
still recognised.
|
||||
|
||||
#### 6.1.10.3 GS1-128
|
||||
|
||||
|
|
@ -3318,10 +3426,10 @@ these will be appended by Zint if not included in the input data.
|
|||
|
||||
|
||||
Also known as the OneCode barcode and used in the US by the United States Postal
|
||||
Service (USPS), the Intelligent Mail system replaced the POSTNET and PLANET
|
||||
symbologies in 2009. Intelligent Mail is a fixed length (65-bar) symbol which
|
||||
combines routing and customer information in a single symbol. Input data
|
||||
Also known as the OneCode barcode and used in the U.S. by the United States
|
||||
Postal Service (USPS), the Intelligent Mail system replaced the POSTNET and
|
||||
PLANET symbologies in 2009. Intelligent Mail is a fixed length (65-bar) symbol
|
||||
which combines routing and customer information in a single symbol. Input data
|
||||
consists of a 20-digit tracking code, followed by a dash (`-`), followed by a
|
||||
delivery point zip-code which can be 0, 5, 9 or 11 digits in length. For example
|
||||
all of the following inputs are valid data entries:
|
||||
|
|
@ -3375,7 +3483,7 @@ zint -b RM4SCC --compliantheight -d "W1J0TR01"
|
|||
--square`](images/hibc_dm.svg)
|
||||
|
||||
Also known as Semacode this symbology was developed in 1989 by Acuity CiMatrix
|
||||
in partnership with the US DoD and NASA. The symbol can encode a large amount
|
||||
in partnership with the U.S. DoD and NASA. The symbol can encode a large amount
|
||||
of data in a small area. Data Matrix encodes characters in the Latin-1 set by
|
||||
default but also supports encoding in other character sets using the ECI
|
||||
mechanism. It can also encode GS1 data. The size of the generated symbol can
|
||||
|
|
@ -3727,7 +3835,7 @@ using the `--structapp` option (see [4.16 Structured Append]) (API `structapp`).
|
|||
It does not support specifying an ID.
|
||||
|
||||
MaxiCode uses a different scaling than other symbols for raster output, see
|
||||
[4.9.2 MaxiCode Raster Scaling], and also for EMF vector output, when the scale
|
||||
[4.9.3 MaxiCode Raster Scaling], and also for EMF vector output, when the scale
|
||||
is multiplied by 20 instead of 2.
|
||||
|
||||
### 6.6.7 Aztec Code (ISO 24778)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue