1 files changed, 0 insertions, 167 deletions
diff --git a/vendor/github.com/disintegration/imaging/utils.go b/vendor/github.com/disintegration/imaging/utils.go
deleted file mode 100644
index 6c7af1a5..00000000
--- a/vendor/github.com/disintegration/imaging/utils.go
+++ /dev/null
@@ -1,167 +0,0 @@
-package imaging
-
-import (
-	"image"
-	"math"
-	"runtime"
-	"sync"
-)
-
-// parallel processes the data in separate goroutines.
-func parallel(start, stop int, fn func(<-chan int)) {
-	count := stop - start
-	if count < 1 {
-		return
-	}
-
-	procs := runtime.GOMAXPROCS(0)
-	if procs > count {
-		procs = count
-	}
-
-	c := make(chan int, count)
-	for i := start; i < stop; i++ {
-		c <- i
-	}
-	close(c)
-
-	var wg sync.WaitGroup
-	for i := 0; i < procs; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			fn(c)
-		}()
-	}
-	wg.Wait()
-}
-
-// absint returns the absolute value of i.
-func absint(i int) int {
-	if i < 0 {
-		return -i
-	}
-	return i
-}
-
-// clamp rounds and clamps float64 value to fit into uint8.
-func clamp(x float64) uint8 {
-	v := int64(x + 0.5)
-	if v > 255 {
-		return 255
-	}
-	if v > 0 {
-		return uint8(v)
-	}
-	return 0
-}
-
-func reverse(pix []uint8) {
-	if len(pix) <= 4 {
-		return
-	}
-	i := 0
-	j := len(pix) - 4
-	for i < j {
-		pi := pix[i : i+4 : i+4]
-		pj := pix[j : j+4 : j+4]
-		pi[0], pj[0] = pj[0], pi[0]
-		pi[1], pj[1] = pj[1], pi[1]
-		pi[2], pj[2] = pj[2], pi[2]
-		pi[3], pj[3] = pj[3], pi[3]
-		i += 4
-		j -= 4
-	}
-}
-
-func toNRGBA(img image.Image) *image.NRGBA {
-	if img, ok := img.(*image.NRGBA); ok {
-		return &image.NRGBA{
-			Pix:    img.Pix,
-			Stride: img.Stride,
-			Rect:   img.Rect.Sub(img.Rect.Min),
-		}
-	}
-	return Clone(img)
-}
-
-// rgbToHSL converts a color from RGB to HSL.
-func rgbToHSL(r, g, b uint8) (float64, float64, float64) {
-	rr := float64(r) / 255
-	gg := float64(g) / 255
-	bb := float64(b) / 255
-
-	max := math.Max(rr, math.Max(gg, bb))
-	min := math.Min(rr, math.Min(gg, bb))
-
-	l := (max + min) / 2
-
-	if max == min {
-		return 0, 0, l
-	}
-
-	var h, s float64
-	d := max - min
-	if l > 0.5 {
-		s = d / (2 - max - min)
-	} else {
-		s = d / (max + min)
-	}
-
-	switch max {
-	case rr:
-		h = (gg - bb) / d
-		if g < b {
-			h += 6
-		}
-	case gg:
-		h = (bb-rr)/d + 2
-	case bb:
-		h = (rr-gg)/d + 4
-	}
-	h /= 6
-
-	return h, s, l
-}
-
-// hslToRGB converts a color from HSL to RGB.
-func hslToRGB(h, s, l float64) (uint8, uint8, uint8) {
-	var r, g, b float64
-	if s == 0 {
-		v := clamp(l * 255)
-		return v, v, v
-	}
-
-	var q float64
-	if l < 0.5 {
-		q = l * (1 + s)
-	} else {
-		q = l + s - l*s
-	}
-	p := 2*l - q
-
-	r = hueToRGB(p, q, h+1/3.0)
-	g = hueToRGB(p, q, h)
-	b = hueToRGB(p, q, h-1/3.0)
-
-	return clamp(r * 255), clamp(g * 255), clamp(b * 255)
-}
-
-func hueToRGB(p, q, t float64) float64 {
-	if t < 0 {
-		t++
-	}
-	if t > 1 {
-		t--
-	}
-	if t < 1/6.0 {
-		return p + (q-p)*6*t
-	}
-	if t < 1/2.0 {
-		return q
-	}
-	if t < 2/3.0 {
-		return p + (q-p)*(2/3.0-t)*6
-	}
-	return p
-}