r.out.ppm
Converts a raster layer to a PPM image file at the pixel resolution of the currently defined region.
Raster (r.*)
QgsProcessingParameterRasterLayer|input|Input raster layer|None|False
QgsProcessingParameterBoolean|-g|Output greyscale instead of color|True
QgsProcessingParameterFileDestination|output|PPM|PPM files (*.ppm)|None|False