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Barcode.GenerateJSON
Generates a barcode.
| Component | Version | macOS | Windows | Server | FileMaker Cloud | FileMaker iOS SDK |
| Barcode | 9.4 | Yes | Yes | Yes | Yes | Yes |
Parameters
| Parameter | Description | Example value |
|---|---|---|
| JSON | The JSON block with all options. | { "symbology": "QRCode", "Text": "Hello World", "Scale": 4 } |
Result
Returns GMImage reference or error.
Description
Generates a barcode.All parameters come as values in JSON block and most are optional.
| Key | Value | Example |
| Symbology | Symbol to use. Can be number or text name. | QRCode |
| Text | Human readable text, which usually consists of input data plus one more check digit. | "Hello World" |
| Transparent | Transparency mode: 0: black on white, 1: black on transparent background, 2: white on black, 3: white on transparent background | 0 |
| Rotation | Rotation angle to use. Multiply of 90°. | 0 |
| ShowText | Whether to show text. Pass 0 to hide text. | 1 |
| WhitespaceWidth | Whitespace width. | 5 |
| BorderWidth | Border width. | 5 |
| OutputOptions | Set various output file options as number. | 0 |
| Scale | Scale factor for adjusting size of image. Usually 4 or bigger for printing in high resolution. | 4 |
| Option1 | Symbol specific options. | 0 |
| Option2 | Symbol specific options. | 0 |
| Option3 | Symbol specific options. | 0 |
| InputMode | Set encoding of input data. Pass 0 for data, 1 for unicode. | 1 |
| ECI | Extended Channel Interpretation mode. | 3 |
| DotSize | Size of dots used in dotty mode. | 1.25 |
| Primary | Primary message data for more complex symbols. "" | |
| ForeGroundColor | Foreground (ink) colour as RGB hexadecimal string. Must be 6 characters. | "ff0000" |
| BackGroundColor | Background (paper) colour as RGB hexadecimal string. Must be 6 charaters. | "0000ff" |
| OutputFile | Contains the name of the file to output a resulting barcode symbol to. Must end in .png, .gif, .eps, .pcx, .svg or .txt. | "C:\test.png" |
Possible symbologies: CODE11, C25MATRIX, C25INTER, C25IATA, C25LOGIC, C25IND, CODE39, EXCODE39, EAN8, EANX, EAN128, CODABAR, CODE128, DPLEIT, DPIDENT, CODE16K, CODE49, CODE93, FLAT, RSS14, RSSLTD, RSSEXP, TELEPEN, UPCA, UPCE, POSTNET, MSIPLESSEY, FIM, LOGMARS, PHARMA, PZN, PHARMA_TWO, PDF417, PDF417TRUNC, MAXICODE, QRCODE, CODE128B, AUSPOST, AUSREPLY, AUSROUTE, AUSREDIRECT, ISBNX, RM4SCC, DATAMATRIX, EAN14, CODABLOCKF, NVE18, JAPANPOST, KOREAPOST, RSS14STACK, RSS14STACKOMNI, RSSEXPSTACK, PLANET, MICROPDF417, ONECODE, PLESSEY, TELEPEN_NUM, ITF14, KIX, AZTEC, DAFT, MICROQR, HIBC128, HIBC39, HIBCDM, HIBCQR, HIBCPDF, HIBCMICPDF, HIBCBLOCKF, HIBCAZTEC, AZRUNE, CODE32, EANXCC, EAN128CC, RSS14CC, RSSLTDCC, RSSEXPCC, UPCACC, UPCECC, RSS14STACKCC, RSS14OMNICC, RSSEXPSTACKCC, CHANNEL, CODEONE, GRIDMATRIX, EANXCHK, UPCACHK, UPCECHK, DOTCODE, HANXIN, VIN, MAILMARK, UPNQR and ULTRA..
Please use EANX for EAN-2, EAN-5, EAN-8 and EAN-13. You may need to leave away the check digit for some barcodes. EAN-13 can be created with 12 or 13 digits, but for EAN-8, only pas 7 digits.
This function returns an image reference for our GMImage functions. There you can either work on the image or simply store it in a container. On the end please free the image with GMImage.Release function.
For the size, be aware that some types like UPC codes have fixed size depending on content.
Examples
Create barcode based on JSON:
Set Field [ Barcode Generation JSON::Image ; "" ]
Set Variable [ $img ; Value: MBS("Barcode.GenerateJSON"; Barcode Generation JSON::JSON) ]
If [ MBS("IsError") = 0 ]
Set Field [ Barcode Generation JSON::Image ; MBS( "GMImage.WriteToPNGContainer"; $img; "barcode.png") ]
Set Variable [ $r ; Value: MBS( "GMImage.Destroy"; $img ) ]
Else
Show Custom Dialog [ "Failed to create barcode" ; $img ]
End If
See also
Example Databases
Blog Entries
Created 5th September 2019, last changed 5th September 2019
Barcode.Generate - Barcode.GetInputMode
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