ImageSizerEngine::convertToGreyscale()
Convert image to greyscale
Usage
// basic usage
$bool = $imageSizerEngine->convertToGreyscale();
// usage with all arguments
$bool = $imageSizerEngine->convertToGreyscale(string $dstFilename = '');Arguments
| Name | Type(s) | Description |
|---|---|---|
$dstFilename (optional) | string | If different from source file |
Return value
bool
ImageSizerEngine methods and properties
API reference based on ProcessWire core version 3.0.251