Update dependencies (#1610)

* Update dependencies

* Update module to go 1.17

1 files changed, 0 insertions, 438 deletions

diff --git a/vendor/golang.org/x/image/tiff/writer.go b/vendor/golang.org/x/image/tiff/writer.go
deleted file mode 100644
index c8a01cea..00000000
--- a/vendor/golang.org/x/image/tiff/writer.go
+++ /dev/null
@@ -1,438 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package tiff
-
-import (
-	"bytes"
-	"compress/zlib"
-	"encoding/binary"
-	"image"
-	"io"
-	"sort"
-)
-
-// The TIFF format allows to choose the order of the different elements freely.
-// The basic structure of a TIFF file written by this package is:
-//
-//   1. Header (8 bytes).
-//   2. Image data.
-//   3. Image File Directory (IFD).
-//   4. "Pointer area" for larger entries in the IFD.
-
-// We only write little-endian TIFF files.
-var enc = binary.LittleEndian
-
-// An ifdEntry is a single entry in an Image File Directory.
-// A value of type dtRational is composed of two 32-bit values,
-// thus data contains two uints (numerator and denominator) for a single number.
-type ifdEntry struct {
-	tag      int
-	datatype int
-	data     []uint32
-}
-
-func (e ifdEntry) putData(p []byte) {
-	for _, d := range e.data {
-		switch e.datatype {
-		case dtByte, dtASCII:
-			p[0] = byte(d)
-			p = p[1:]
-		case dtShort:
-			enc.PutUint16(p, uint16(d))
-			p = p[2:]
-		case dtLong, dtRational:
-			enc.PutUint32(p, uint32(d))
-			p = p[4:]
-		}
-	}
-}
-
-type byTag []ifdEntry
-
-func (d byTag) Len() int           { return len(d) }
-func (d byTag) Less(i, j int) bool { return d[i].tag < d[j].tag }
-func (d byTag) Swap(i, j int)      { d[i], d[j] = d[j], d[i] }
-
-func encodeGray(w io.Writer, pix []uint8, dx, dy, stride int, predictor bool) error {
-	if !predictor {
-		return writePix(w, pix, dy, dx, stride)
-	}
-	buf := make([]byte, dx)
-	for y := 0; y < dy; y++ {
-		min := y*stride + 0
-		max := y*stride + dx
-		off := 0
-		var v0 uint8
-		for i := min; i < max; i++ {
-			v1 := pix[i]
-			buf[off] = v1 - v0
-			v0 = v1
-			off++
-		}
-		if _, err := w.Write(buf); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func encodeGray16(w io.Writer, pix []uint8, dx, dy, stride int, predictor bool) error {
-	buf := make([]byte, dx*2)
-	for y := 0; y < dy; y++ {
-		min := y*stride + 0
-		max := y*stride + dx*2
-		off := 0
-		var v0 uint16
-		for i := min; i < max; i += 2 {
-			// An image.Gray16's Pix is in big-endian order.
-			v1 := uint16(pix[i])<<8 | uint16(pix[i+1])
-			if predictor {
-				v0, v1 = v1, v1-v0
-			}
-			// We only write little-endian TIFF files.
-			buf[off+0] = byte(v1)
-			buf[off+1] = byte(v1 >> 8)
-			off += 2
-		}
-		if _, err := w.Write(buf); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func encodeRGBA(w io.Writer, pix []uint8, dx, dy, stride int, predictor bool) error {
-	if !predictor {
-		return writePix(w, pix, dy, dx*4, stride)
-	}
-	buf := make([]byte, dx*4)
-	for y := 0; y < dy; y++ {
-		min := y*stride + 0
-		max := y*stride + dx*4
-		off := 0
-		var r0, g0, b0, a0 uint8
-		for i := min; i < max; i += 4 {
-			r1, g1, b1, a1 := pix[i+0], pix[i+1], pix[i+2], pix[i+3]
-			buf[off+0] = r1 - r0
-			buf[off+1] = g1 - g0
-			buf[off+2] = b1 - b0
-			buf[off+3] = a1 - a0
-			off += 4
-			r0, g0, b0, a0 = r1, g1, b1, a1
-		}
-		if _, err := w.Write(buf); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func encodeRGBA64(w io.Writer, pix []uint8, dx, dy, stride int, predictor bool) error {
-	buf := make([]byte, dx*8)
-	for y := 0; y < dy; y++ {
-		min := y*stride + 0
-		max := y*stride + dx*8
-		off := 0
-		var r0, g0, b0, a0 uint16
-		for i := min; i < max; i += 8 {
-			// An image.RGBA64's Pix is in big-endian order.
-			r1 := uint16(pix[i+0])<<8 | uint16(pix[i+1])
-			g1 := uint16(pix[i+2])<<8 | uint16(pix[i+3])
-			b1 := uint16(pix[i+4])<<8 | uint16(pix[i+5])
-			a1 := uint16(pix[i+6])<<8 | uint16(pix[i+7])
-			if predictor {
-				r0, r1 = r1, r1-r0
-				g0, g1 = g1, g1-g0
-				b0, b1 = b1, b1-b0
-				a0, a1 = a1, a1-a0
-			}
-			// We only write little-endian TIFF files.
-			buf[off+0] = byte(r1)
-			buf[off+1] = byte(r1 >> 8)
-			buf[off+2] = byte(g1)
-			buf[off+3] = byte(g1 >> 8)
-			buf[off+4] = byte(b1)
-			buf[off+5] = byte(b1 >> 8)
-			buf[off+6] = byte(a1)
-			buf[off+7] = byte(a1 >> 8)
-			off += 8
-		}
-		if _, err := w.Write(buf); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func encode(w io.Writer, m image.Image, predictor bool) error {
-	bounds := m.Bounds()
-	buf := make([]byte, 4*bounds.Dx())
-	for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
-		off := 0
-		if predictor {
-			var r0, g0, b0, a0 uint8
-			for x := bounds.Min.X; x < bounds.Max.X; x++ {
-				r, g, b, a := m.At(x, y).RGBA()
-				r1 := uint8(r >> 8)
-				g1 := uint8(g >> 8)
-				b1 := uint8(b >> 8)
-				a1 := uint8(a >> 8)
-				buf[off+0] = r1 - r0
-				buf[off+1] = g1 - g0
-				buf[off+2] = b1 - b0
-				buf[off+3] = a1 - a0
-				off += 4
-				r0, g0, b0, a0 = r1, g1, b1, a1
-			}
-		} else {
-			for x := bounds.Min.X; x < bounds.Max.X; x++ {
-				r, g, b, a := m.At(x, y).RGBA()
-				buf[off+0] = uint8(r >> 8)
-				buf[off+1] = uint8(g >> 8)
-				buf[off+2] = uint8(b >> 8)
-				buf[off+3] = uint8(a >> 8)
-				off += 4
-			}
-		}
-		if _, err := w.Write(buf); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// writePix writes the internal byte array of an image to w. It is less general
-// but much faster then encode. writePix is used when pix directly
-// corresponds to one of the TIFF image types.
-func writePix(w io.Writer, pix []byte, nrows, length, stride int) error {
-	if length == stride {
-		_, err := w.Write(pix[:nrows*length])
-		return err
-	}
-	for ; nrows > 0; nrows-- {
-		if _, err := w.Write(pix[:length]); err != nil {
-			return err
-		}
-		pix = pix[stride:]
-	}
-	return nil
-}
-
-func writeIFD(w io.Writer, ifdOffset int, d []ifdEntry) error {
-	var buf [ifdLen]byte
-	// Make space for "pointer area" containing IFD entry data
-	// longer than 4 bytes.
-	parea := make([]byte, 1024)
-	pstart := ifdOffset + ifdLen*len(d) + 6
-	var o int // Current offset in parea.
-
-	// The IFD has to be written with the tags in ascending order.
-	sort.Sort(byTag(d))
-
-	// Write the number of entries in this IFD.
-	if err := binary.Write(w, enc, uint16(len(d))); err != nil {
-		return err
-	}
-	for _, ent := range d {
-		enc.PutUint16(buf[0:2], uint16(ent.tag))
-		enc.PutUint16(buf[2:4], uint16(ent.datatype))
-		count := uint32(len(ent.data))
-		if ent.datatype == dtRational {
-			count /= 2
-		}
-		enc.PutUint32(buf[4:8], count)
-		datalen := int(count * lengths[ent.datatype])
-		if datalen <= 4 {
-			ent.putData(buf[8:12])
-		} else {
-			if (o + datalen) > len(parea) {
-				newlen := len(parea) + 1024
-				for (o + datalen) > newlen {
-					newlen += 1024
-				}
-				newarea := make([]byte, newlen)
-				copy(newarea, parea)
-				parea = newarea
-			}
-			ent.putData(parea[o : o+datalen])
-			enc.PutUint32(buf[8:12], uint32(pstart+o))
-			o += datalen
-		}
-		if _, err := w.Write(buf[:]); err != nil {
-			return err
-		}
-	}
-	// The IFD ends with the offset of the next IFD in the file,
-	// or zero if it is the last one (page 14).
-	if err := binary.Write(w, enc, uint32(0)); err != nil {
-		return err
-	}
-	_, err := w.Write(parea[:o])
-	return err
-}
-
-// Options are the encoding parameters.
-type Options struct {
-	// Compression is the type of compression used.
-	Compression CompressionType
-	// Predictor determines whether a differencing predictor is used;
-	// if true, instead of each pixel's color, the color difference to the
-	// preceding one is saved.  This improves the compression for certain
-	// types of images and compressors. For example, it works well for
-	// photos with Deflate compression.
-	Predictor bool
-}
-
-// Encode writes the image m to w. opt determines the options used for
-// encoding, such as the compression type. If opt is nil, an uncompressed
-// image is written.
-func Encode(w io.Writer, m image.Image, opt *Options) error {
-	d := m.Bounds().Size()
-
-	compression := uint32(cNone)
-	predictor := false
-	if opt != nil {
-		compression = opt.Compression.specValue()
-		// The predictor field is only used with LZW. See page 64 of the spec.
-		predictor = opt.Predictor && compression == cLZW
-	}
-
-	_, err := io.WriteString(w, leHeader)
-	if err != nil {
-		return err
-	}
-
-	// Compressed data is written into a buffer first, so that we
-	// know the compressed size.
-	var buf bytes.Buffer
-	// dst holds the destination for the pixel data of the image --
-	// either w or a writer to buf.
-	var dst io.Writer
-	// imageLen is the length of the pixel data in bytes.
-	// The offset of the IFD is imageLen + 8 header bytes.
-	var imageLen int
-
-	switch compression {
-	case cNone:
-		dst = w
-		// Write IFD offset before outputting pixel data.
-		switch m.(type) {
-		case *image.Paletted:
-			imageLen = d.X * d.Y * 1
-		case *image.Gray:
-			imageLen = d.X * d.Y * 1
-		case *image.Gray16:
-			imageLen = d.X * d.Y * 2
-		case *image.RGBA64:
-			imageLen = d.X * d.Y * 8
-		case *image.NRGBA64:
-			imageLen = d.X * d.Y * 8
-		default:
-			imageLen = d.X * d.Y * 4
-		}
-		err = binary.Write(w, enc, uint32(imageLen+8))
-		if err != nil {
-			return err
-		}
-	case cDeflate:
-		dst = zlib.NewWriter(&buf)
-	}
-
-	pr := uint32(prNone)
-	photometricInterpretation := uint32(pRGB)
-	samplesPerPixel := uint32(4)
-	bitsPerSample := []uint32{8, 8, 8, 8}
-	extraSamples := uint32(0)
-	colorMap := []uint32{}
-
-	if predictor {
-		pr = prHorizontal
-	}
-	switch m := m.(type) {
-	case *image.Paletted:
-		photometricInterpretation = pPaletted
-		samplesPerPixel = 1
-		bitsPerSample = []uint32{8}
-		colorMap = make([]uint32, 256*3)
-		for i := 0; i < 256 && i < len(m.Palette); i++ {
-			r, g, b, _ := m.Palette[i].RGBA()
-			colorMap[i+0*256] = uint32(r)
-			colorMap[i+1*256] = uint32(g)
-			colorMap[i+2*256] = uint32(b)
-		}
-		err = encodeGray(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.Gray:
-		photometricInterpretation = pBlackIsZero
-		samplesPerPixel = 1
-		bitsPerSample = []uint32{8}
-		err = encodeGray(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.Gray16:
-		photometricInterpretation = pBlackIsZero
-		samplesPerPixel = 1
-		bitsPerSample = []uint32{16}
-		err = encodeGray16(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.NRGBA:
-		extraSamples = 2 // Unassociated alpha.
-		err = encodeRGBA(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.NRGBA64:
-		extraSamples = 2 // Unassociated alpha.
-		bitsPerSample = []uint32{16, 16, 16, 16}
-		err = encodeRGBA64(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.RGBA:
-		extraSamples = 1 // Associated alpha.
-		err = encodeRGBA(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	case *image.RGBA64:
-		extraSamples = 1 // Associated alpha.
-		bitsPerSample = []uint32{16, 16, 16, 16}
-		err = encodeRGBA64(dst, m.Pix, d.X, d.Y, m.Stride, predictor)
-	default:
-		extraSamples = 1 // Associated alpha.
-		err = encode(dst, m, predictor)
-	}
-	if err != nil {
-		return err
-	}
-
-	if compression != cNone {
-		if err = dst.(io.Closer).Close(); err != nil {
-			return err
-		}
-		imageLen = buf.Len()
-		if err = binary.Write(w, enc, uint32(imageLen+8)); err != nil {
-			return err
-		}
-		if _, err = buf.WriteTo(w); err != nil {
-			return err
-		}
-	}
-
-	ifd := []ifdEntry{
-		{tImageWidth, dtShort, []uint32{uint32(d.X)}},
-		{tImageLength, dtShort, []uint32{uint32(d.Y)}},
-		{tBitsPerSample, dtShort, bitsPerSample},
-		{tCompression, dtShort, []uint32{compression}},
-		{tPhotometricInterpretation, dtShort, []uint32{photometricInterpretation}},
-		{tStripOffsets, dtLong, []uint32{8}},
-		{tSamplesPerPixel, dtShort, []uint32{samplesPerPixel}},
-		{tRowsPerStrip, dtShort, []uint32{uint32(d.Y)}},
-		{tStripByteCounts, dtLong, []uint32{uint32(imageLen)}},
-		// There is currently no support for storing the image
-		// resolution, so give a bogus value of 72x72 dpi.
-		{tXResolution, dtRational, []uint32{72, 1}},
-		{tYResolution, dtRational, []uint32{72, 1}},
-		{tResolutionUnit, dtShort, []uint32{resPerInch}},
-	}
-	if pr != prNone {
-		ifd = append(ifd, ifdEntry{tPredictor, dtShort, []uint32{pr}})
-	}
-	if len(colorMap) != 0 {
-		ifd = append(ifd, ifdEntry{tColorMap, dtShort, colorMap})
-	}
-	if extraSamples > 0 {
-		ifd = append(ifd, ifdEntry{tExtraSamples, dtShort, []uint32{extraSamples}})
-	}
-
-	return writeIFD(w, imageLen+8, ifd)
-}