php-qrcode/_sources/Built-In-Output-QRGdImage.md.txt

# QRGdImage

[Class `QRGdImage`](https://github.com/chillerlan/php-qrcode/blob/main/src/Output/QRGdImage.php): [GdImage](https://www.php.net/manual/book.image) raster graphic output (GIF, JPG, PNG)


## Options that affect this module

| property                       | type           |
|--------------------------------|----------------|
| `$returnResource`              | `bool`         |
| `$imageBase64`                 | `bool`         |
| `$bgColor`                     | `mixed`        |
| `$drawLightModules`            | `bool`         |
| `$drawCircularModules`         | `bool`         |
| `$circleRadius`                | `float`        |
| `$keepAsSquare`                | `array`        |
| `$scale`                       | `int`          |
| `$imageTransparent`            | `bool`         |
| `$transparencyColor`           | `mixed`        |
| `$pngCompression`              | `int`          |
| `$jpegQuality`                 | `int`          |


### Options that have no effect

| property                       | reason |
|--------------------------------|--------|
| `$connectPaths`                | N/A    |
| `$excludeFromConnect`          | N/A    |