A wrapper around the Cairo::Cairo() function, specifically configured for PNG output.
Usage
png2(filename, width = 25, height = 18, units = "cm", dpi = 380, ...)
Arguments
- filename
output file name
- width
width of the output image in cm
- height
height of the output image in cm
- units
units for width and height (default: "cm")
- dpi
resolution of the output image (default: 380)
- ...
additional arguments passed to Cairo::Cairo()
Value
a Cairo device for plotting