PNG Options - afast/map_print GitHub Wiki
Available PNG Options
:width
Integer. The full image's width in pixels.
:height
Integer. The full image's height in pixels.
:background_color
String. The image's background color. Can be name or hex code (#ffffff). Default is transparent.
Example
png_options: {
width: 500,
height: 800,
background_color: 'white'
}