Method: Vips::Image#sharpen

Defined in:

lib/vips8/methods.rb

#sharpen(opts = {}) ⇒ Vips::Image

Unsharp masking for print.

Parameters:

• opts (Hash) (defaults to: {}) —

  Set of options

Options Hash (opts):

• :radius (Integer) —

  Mask radius

• :x1 (Float) —

  Flat/jaggy threshold

• :y2 (Float) —

  Maximum brightening

• :y3 (Float) —

  Maximum darkening

• :m1 (Float) —

  Slope for flat areas

• :m2 (Float) —

  Slope for jaggy areas

Returns:

• (Vips::Image) —

  Output image

# File 'lib/vips8/methods.rb', line 1583