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Configuration-settings.md

Configuration-settings.md 9.3 KB
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Configuration settings

version

QR Code version number

1 ... 40 or Version::AUTO (default)

See also:

  • \chillerlan\QRCode\Common\Version

versionMin

Minimum QR version

if QROptions::$version is set to Version::AUTO (default: 1)

versionMax

Maximum QR version

if QROptions::$version is set to Version::AUTO (default: 40)

eccLevel

Error correct level

the constant EccLevel::X where X is:

  • L => 7% (default)
  • M => 15%
  • Q => 25%
  • H => 30%

alternatively you can just pass the letters L/M/Q/H (case-insensitive) to the magic setter

See also:

maskPattern

Mask Pattern to use (no value in using, mostly for unit testing purposes)

0 ... 7 or MaskPattern::PATTERN_AUTO (default)

See also:

  • \chillerlan\QRCode\Common\MaskPattern

addQuietzone

Add a "quiet zone" (margin) according to the QR code spec

See also:

quietzoneSize

Size of the quiet zone

internally clamped to 0 ... $moduleCount / 2 (default: 4)

outputInterface

The FQCN of the QROutputInterface to use

returnResource

Return the image resource instead of a render if applicable.

  • QRGdImage: resource (PHP < 8), GdImage
  • QRImagick: Imagick
  • QRFpdf: FPDF

This option overrides/ignores other output settings, such as QROptions::$cachefile and QROptions::$outputBase64. (default: false)

See also:

  • \chillerlan\QRCode\Output\QROutputInterface::dump()

cachefile

Optional cache file path /path/to/cache.file

Please note that the $file parameter in QRCode::render() and QRCode::renderMatrix() takes precedence over the QROptions::$cachefile value. (default: null)

See also:

  • \chillerlan\QRCode\QRCode::render()
  • \chillerlan\QRCode\QRCode::renderMatrix()

outputBase64

Toggle base64 data URI or raw data output (if applicable)

(default: true)

See also:

  • \chillerlan\QRCode\Output\QROutputAbstract::toBase64DataURI()

eol

Newline string

(default: PHP_EOL)

bgColor

Sets the image background color (if applicable)

  • QRImagick: defaults to "white"
  • QRGdImage: defaults to [255, 255, 255]
  • QRFpdf: defaults to blank internally (white page)

invertMatrix

Whether to invert the matrix (reflectance reversal)

(default: false)

See also:

  • \chillerlan\QRCode\Data\QRMatrix::invert()

drawLightModules

Whether to draw the light (false) modules

(default: true)

drawCircularModules

Specify whether to draw the modules as filled circles

a note for GdImage output:

if QROptions::$scale is less than 20, the image will be upscaled internally, then the modules will be drawn using imagefilledellipse() and then scaled back to the expected size

No effect in: QREps, QRFpdf, QRMarkupHTML

See also:

circleRadius

Specifies the radius of the modules when QROptions::$drawCircularModules is set to true

(default: 0.45)

keepAsSquare

Specifies which module types to exclude when QROptions::$drawCircularModules is set to true

(default: [])

connectPaths

Whether to connect the paths for the several module types to avoid weird glitches when using gradients etc.

This option is exclusive to output classes that use the module collector QROutputAbstract::collectModules(), which converts the $M_TYPE of all modules to QRMatrix::M_DATA and QRMatrix::M_DATA_DARK respectively.

Module types that should not be added to the connected path can be excluded via QROptions::$excludeFromConnect.

Currentty used in QREps and QRMarkupSVG.

See also:

excludeFromConnect

Specify which paths/patterns to exclude from connecting if QROptions::$connectPaths is set to true

See also:

  • \chillerlan\QRCode\QROptionsTrait::$connectPaths

moduleValues

Module values map

  • QRImagick, QRMarkupHTML, QRMarkupSVG: #ABCDEF, cssname, rgb(), rgba()...
  • QREps, QRFpdf, QRGdImage: [R, G, B] // 0-255
  • QREps: [C, M, Y, K] // 0-255

See also:

  • \chillerlan\QRCode\Output\QROutputAbstract::setModuleValues()

addLogoSpace

Toggles logo space creation

See also:

  • \chillerlan\QRCode\QRCode::addMatrixModifications()
  • \chillerlan\QRCode\Data\QRMatrix::setLogoSpace()

logoSpaceWidth

Width of the logo space

if only QROptions::$logoSpaceWidth is given, the logo space is assumed a square of that size

logoSpaceHeight

Height of the logo space

if only QROptions::$logoSpaceHeight is given, the logo space is assumed a square of that size

logoSpaceStartX

Optional horizontal start position of the logo space (top left corner)

logoSpaceStartY

Optional vertical start position of the logo space (top left corner)

scale

Pixel size of a QR code module

imageTransparent

Toggle transparency

  • QRGdImage and QRImagick: the given QROptions::$transparencyColor is set as transparent

See also:

transparencyColor

Sets a transparency color for when QROptions::$imageTransparent is set to true.

Defaults to QROptions::$bgColor.

  • QRGdImage: [R, G, B], this color is set as transparent in imagecolortransparent()
  • QRImagick: "color_str", this color is set in Imagick::transparentPaintImage()

See also:

quality

Compression quality

The given value depends on the used output type:

  • QRGdImageBMP: [0...1]
  • QRGdImageJPEG: [0...100]
  • QRGdImageWEBP: [0...9]
  • QRGdImagePNG: [0...100]
  • QRImagick: [0...100]

See also:

gdImageUseUpscale

Toggles the usage of internal upscaling when QROptions::$drawCircularModules is set to true and QROptions::$scale is less than 20

See also:

imagickFormat

Imagick output format

See also:

cssClass

A common css class

svgAddXmlHeader

Whether to add an XML header line or not, e.g. to embed the SVG directly in HTML

<?xml version="1.0" encoding="UTF-8"?>

svgDefs

Anything in the SVG <defs> tag

See also:

svgPreserveAspectRatio

Sets the value for the "preserveAspectRatio" on the <svg> element

See also:

svgUseFillAttributes

Whether to use the SVG fill attributes

If set to true (default), the fill attribute will be set with the module value for the <path> element's $M_TYPE. When set to false, the module values map will be ignored and the QR Code may be styled via CSS.

See also:

textLineStart

An optional line prefix, e.g. empty space to align the QR Code in a console

jsonFlags

Sets the flags to use for the json_encode() call

See also:

jsonAsBooleans

Whether to return matrix values in JSON as booleans or $M_TYPE integers

fpdfMeasureUnit

Measurement unit for FPDF output: pt, mm, cm, in (default: pt)

See also:

  • FPDF::__construct()

readerUseImagickIfAvailable

Use Imagick (if available) when reading QR Codes

readerGrayscale

Grayscale the image before reading

readerInvertColors

Invert the colors of the image

readerIncreaseContrast

Increase the contrast before reading

note that applying contrast works different in GD and Imagick, so mileage may vary