adjust

Aug 31, 2016

Changes in this version

+ func Hue(img image.Image, change int) *image.RGBA

+ func Saturation(img image.Image, change float64) *image.RGBA

Aug 27, 2016

Changes in this version

+ func Apply(img image.Image, fn func(color.RGBA) color.RGBA) *image.RGBA

+ func Brightness(src image.Image, change float64) *image.RGBA

+ func Contrast(src image.Image, change float64) *image.RGBA

+ func Gamma(src image.Image, gamma float64) *image.RGBA