nxshock/colorcrop
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Fix linter errors

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This commit is contained in:
nxshock 2017-06-23 19:31:42 +05:00
parent b37c01d93b
commit ab1c13e694
2 changed files with 5 additions and 4 deletions
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5
colorcrop.go
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@ -1,4 +1,5 @@
// Go library for cropping images by removing borders with specified color.
// Package colorcrop is a Go library for cropping images by removing borders
// with specified color.
package colorcrop
import (
@ -11,7 +12,7 @@ func Crop(img image.Image, color color.Color, thresold float64) image.Image {
return CropWithComparator(img, color, thresold, CmpRGBComponentsDiff)
}
// Crop returns cropped image with specified comparator.
// CropWithComparator returns cropped image with specified comparator.
func CropWithComparator(img image.Image, color color.Color, thresold float64, comparator comparator) image.Image {
return img.(interface {
SubImage(r image.Rectangle) image.Image

4
comparators.go
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@ -9,7 +9,7 @@ import (
// range 0.0..1.0.
type comparator func(color.Color, color.Color) float64
// CmpColorDifference returns difference of two colors
// CmpSquareRGBComponentsDiff returns difference of two colors
func CmpSquareRGBComponentsDiff(color1 color.Color, color2 color.Color) float64 {
const maxDiff = 113509.94967402637 // Difference between black and white colors
@ -20,7 +20,7 @@ func CmpSquareRGBComponentsDiff(color1 color.Color, color2 color.Color) float64
math.Pow(float64(b2)-float64(b1), 2.0)) / maxDiff
}
// CmpColorDifference returns difference of two colors.
// CmpRGBComponentsDiff returns difference of two colors.
func CmpRGBComponentsDiff(color1 color.Color, color2 color.Color) float64 {
const maxDiff = 765 // Difference between black and white colors