Switch to Go modules and make other changes

1 files changed, 0 insertions, 250 deletions

diff --git a/vendor/github.com/disintegration/imaging/scanner.go b/vendor/github.com/disintegration/imaging/scanner.go
deleted file mode 100644
index c4dbfe1..0000000
--- a/vendor/github.com/disintegration/imaging/scanner.go
+++ /dev/null
@@ -1,250 +0,0 @@
-package imaging
-
-import (
-	"image"
-	"image/color"
-)
-
-type scanner struct {
-	image   image.Image
-	w, h    int
-	palette []color.NRGBA
-}
-
-func newScanner(img image.Image) *scanner {
-	s := &scanner{
-		image: img,
-		w:     img.Bounds().Dx(),
-		h:     img.Bounds().Dy(),
-	}
-	if img, ok := img.(*image.Paletted); ok {
-		s.palette = make([]color.NRGBA, len(img.Palette))
-		for i := 0; i < len(img.Palette); i++ {
-			s.palette[i] = color.NRGBAModel.Convert(img.Palette[i]).(color.NRGBA)
-		}
-	}
-	return s
-}
-
-// scan scans the given rectangular region of the image into dst.
-func (s *scanner) scan(x1, y1, x2, y2 int, dst []uint8) {
-	switch img := s.image.(type) {
-	case *image.NRGBA:
-		size := (x2 - x1) * 4
-		j := 0
-		i := y1*img.Stride + x1*4
-		for y := y1; y < y2; y++ {
-			copy(dst[j:j+size], img.Pix[i:i+size])
-			j += size
-			i += img.Stride
-		}
-
-	case *image.NRGBA64:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1*8
-			for x := x1; x < x2; x++ {
-				dst[j+0] = img.Pix[i+0]
-				dst[j+1] = img.Pix[i+2]
-				dst[j+2] = img.Pix[i+4]
-				dst[j+3] = img.Pix[i+6]
-				j += 4
-				i += 8
-			}
-		}
-
-	case *image.RGBA:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1*4
-			for x := x1; x < x2; x++ {
-				a := img.Pix[i+3]
-				switch a {
-				case 0:
-					dst[j+0] = 0
-					dst[j+1] = 0
-					dst[j+2] = 0
-				case 0xff:
-					dst[j+0] = img.Pix[i+0]
-					dst[j+1] = img.Pix[i+1]
-					dst[j+2] = img.Pix[i+2]
-				default:
-					r16 := uint16(img.Pix[i+0])
-					g16 := uint16(img.Pix[i+1])
-					b16 := uint16(img.Pix[i+2])
-					a16 := uint16(a)
-					dst[j+0] = uint8(r16 * 0xff / a16)
-					dst[j+1] = uint8(g16 * 0xff / a16)
-					dst[j+2] = uint8(b16 * 0xff / a16)
-				}
-				dst[j+3] = a
-				j += 4
-				i += 4
-			}
-		}
-
-	case *image.RGBA64:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1*8
-			for x := x1; x < x2; x++ {
-				a := img.Pix[i+6]
-				switch a {
-				case 0:
-					dst[j+0] = 0
-					dst[j+1] = 0
-					dst[j+2] = 0
-				case 0xff:
-					dst[j+0] = img.Pix[i+0]
-					dst[j+1] = img.Pix[i+2]
-					dst[j+2] = img.Pix[i+4]
-				default:
-					r32 := uint32(img.Pix[i+0])<<8 | uint32(img.Pix[i+1])
-					g32 := uint32(img.Pix[i+2])<<8 | uint32(img.Pix[i+3])
-					b32 := uint32(img.Pix[i+4])<<8 | uint32(img.Pix[i+5])
-					a32 := uint32(img.Pix[i+6])<<8 | uint32(img.Pix[i+7])
-					dst[j+0] = uint8((r32 * 0xffff / a32) >> 8)
-					dst[j+1] = uint8((g32 * 0xffff / a32) >> 8)
-					dst[j+2] = uint8((b32 * 0xffff / a32) >> 8)
-				}
-				dst[j+3] = a
-				j += 4
-				i += 8
-			}
-		}
-
-	case *image.Gray:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1
-			for x := x1; x < x2; x++ {
-				c := img.Pix[i]
-				dst[j+0] = c
-				dst[j+1] = c
-				dst[j+2] = c
-				dst[j+3] = 0xff
-				j += 4
-				i++
-			}
-		}
-
-	case *image.Gray16:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1*2
-			for x := x1; x < x2; x++ {
-				c := img.Pix[i]
-				dst[j+0] = c
-				dst[j+1] = c
-				dst[j+2] = c
-				dst[j+3] = 0xff
-				j += 4
-				i += 2
-			}
-		}
-
-	case *image.YCbCr:
-		j := 0
-		x1 += img.Rect.Min.X
-		x2 += img.Rect.Min.X
-		y1 += img.Rect.Min.Y
-		y2 += img.Rect.Min.Y
-		for y := y1; y < y2; y++ {
-			iy := (y-img.Rect.Min.Y)*img.YStride + (x1 - img.Rect.Min.X)
-			for x := x1; x < x2; x++ {
-				var ic int
-				switch img.SubsampleRatio {
-				case image.YCbCrSubsampleRatio444:
-					ic = (y-img.Rect.Min.Y)*img.CStride + (x - img.Rect.Min.X)
-				case image.YCbCrSubsampleRatio422:
-					ic = (y-img.Rect.Min.Y)*img.CStride + (x/2 - img.Rect.Min.X/2)
-				case image.YCbCrSubsampleRatio420:
-					ic = (y/2-img.Rect.Min.Y/2)*img.CStride + (x/2 - img.Rect.Min.X/2)
-				case image.YCbCrSubsampleRatio440:
-					ic = (y/2-img.Rect.Min.Y/2)*img.CStride + (x - img.Rect.Min.X)
-				default:
-					ic = img.COffset(x, y)
-				}
-
-				yy := int(img.Y[iy])
-				cb := int(img.Cb[ic]) - 128
-				cr := int(img.Cr[ic]) - 128
-
-				r := (yy<<16 + 91881*cr + 1<<15) >> 16
-				if r > 0xff {
-					r = 0xff
-				} else if r < 0 {
-					r = 0
-				}
-
-				g := (yy<<16 - 22554*cb - 46802*cr + 1<<15) >> 16
-				if g > 0xff {
-					g = 0xff
-				} else if g < 0 {
-					g = 0
-				}
-
-				b := (yy<<16 + 116130*cb + 1<<15) >> 16
-				if b > 0xff {
-					b = 0xff
-				} else if b < 0 {
-					b = 0
-				}
-
-				dst[j+0] = uint8(r)
-				dst[j+1] = uint8(g)
-				dst[j+2] = uint8(b)
-				dst[j+3] = 0xff
-
-				iy++
-				j += 4
-			}
-		}
-
-	case *image.Paletted:
-		j := 0
-		for y := y1; y < y2; y++ {
-			i := y*img.Stride + x1
-			for x := x1; x < x2; x++ {
-				c := s.palette[img.Pix[i]]
-				dst[j+0] = c.R
-				dst[j+1] = c.G
-				dst[j+2] = c.B
-				dst[j+3] = c.A
-				j += 4
-				i++
-			}
-		}
-
-	default:
-		j := 0
-		b := s.image.Bounds()
-		x1 += b.Min.X
-		x2 += b.Min.X
-		y1 += b.Min.Y
-		y2 += b.Min.Y
-		for y := y1; y < y2; y++ {
-			for x := x1; x < x2; x++ {
-				r16, g16, b16, a16 := s.image.At(x, y).RGBA()
-				switch a16 {
-				case 0xffff:
-					dst[j+0] = uint8(r16 >> 8)
-					dst[j+1] = uint8(g16 >> 8)
-					dst[j+2] = uint8(b16 >> 8)
-					dst[j+3] = 0xff
-				case 0:
-					dst[j+0] = 0
-					dst[j+1] = 0
-					dst[j+2] = 0
-					dst[j+3] = 0
-				default:
-					dst[j+0] = uint8(((r16 * 0xffff) / a16) >> 8)
-					dst[j+1] = uint8(((g16 * 0xffff) / a16) >> 8)
-					dst[j+2] = uint8(((b16 * 0xffff) / a16) >> 8)
-					dst[j+3] = uint8(a16 >> 8)
-				}
-				j += 4
-			}
-		}
-	}
-}