Update dependencies (#1610)

* Update dependencies

* Update module to go 1.17

1 files changed, 0 insertions, 219 deletions

diff --git a/vendor/golang.org/x/image/bmp/reader.go b/vendor/golang.org/x/image/bmp/reader.go
deleted file mode 100644
index 52e25205..00000000
--- a/vendor/golang.org/x/image/bmp/reader.go
+++ /dev/null
@@ -1,219 +0,0 @@
-// Copyright 2011 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 bmp implements a BMP image decoder and encoder.
-//
-// The BMP specification is at http://www.digicamsoft.com/bmp/bmp.html.
-package bmp // import "golang.org/x/image/bmp"
-
-import (
-	"errors"
-	"image"
-	"image/color"
-	"io"
-)
-
-// ErrUnsupported means that the input BMP image uses a valid but unsupported
-// feature.
-var ErrUnsupported = errors.New("bmp: unsupported BMP image")
-
-func readUint16(b []byte) uint16 {
-	return uint16(b[0]) | uint16(b[1])<<8
-}
-
-func readUint32(b []byte) uint32 {
-	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-}
-
-// decodePaletted reads an 8 bit-per-pixel BMP image from r.
-// If topDown is false, the image rows will be read bottom-up.
-func decodePaletted(r io.Reader, c image.Config, topDown bool) (image.Image, error) {
-	paletted := image.NewPaletted(image.Rect(0, 0, c.Width, c.Height), c.ColorModel.(color.Palette))
-	if c.Width == 0 || c.Height == 0 {
-		return paletted, nil
-	}
-	var tmp [4]byte
-	y0, y1, yDelta := c.Height-1, -1, -1
-	if topDown {
-		y0, y1, yDelta = 0, c.Height, +1
-	}
-	for y := y0; y != y1; y += yDelta {
-		p := paletted.Pix[y*paletted.Stride : y*paletted.Stride+c.Width]
-		if _, err := io.ReadFull(r, p); err != nil {
-			return nil, err
-		}
-		// Each row is 4-byte aligned.
-		if c.Width%4 != 0 {
-			_, err := io.ReadFull(r, tmp[:4-c.Width%4])
-			if err != nil {
-				return nil, err
-			}
-		}
-	}
-	return paletted, nil
-}
-
-// decodeRGB reads a 24 bit-per-pixel BMP image from r.
-// If topDown is false, the image rows will be read bottom-up.
-func decodeRGB(r io.Reader, c image.Config, topDown bool) (image.Image, error) {
-	rgba := image.NewRGBA(image.Rect(0, 0, c.Width, c.Height))
-	if c.Width == 0 || c.Height == 0 {
-		return rgba, nil
-	}
-	// There are 3 bytes per pixel, and each row is 4-byte aligned.
-	b := make([]byte, (3*c.Width+3)&^3)
-	y0, y1, yDelta := c.Height-1, -1, -1
-	if topDown {
-		y0, y1, yDelta = 0, c.Height, +1
-	}
-	for y := y0; y != y1; y += yDelta {
-		if _, err := io.ReadFull(r, b); err != nil {
-			return nil, err
-		}
-		p := rgba.Pix[y*rgba.Stride : y*rgba.Stride+c.Width*4]
-		for i, j := 0, 0; i < len(p); i, j = i+4, j+3 {
-			// BMP images are stored in BGR order rather than RGB order.
-			p[i+0] = b[j+2]
-			p[i+1] = b[j+1]
-			p[i+2] = b[j+0]
-			p[i+3] = 0xFF
-		}
-	}
-	return rgba, nil
-}
-
-// decodeNRGBA reads a 32 bit-per-pixel BMP image from r.
-// If topDown is false, the image rows will be read bottom-up.
-func decodeNRGBA(r io.Reader, c image.Config, topDown bool) (image.Image, error) {
-	rgba := image.NewNRGBA(image.Rect(0, 0, c.Width, c.Height))
-	if c.Width == 0 || c.Height == 0 {
-		return rgba, nil
-	}
-	y0, y1, yDelta := c.Height-1, -1, -1
-	if topDown {
-		y0, y1, yDelta = 0, c.Height, +1
-	}
-	for y := y0; y != y1; y += yDelta {
-		p := rgba.Pix[y*rgba.Stride : y*rgba.Stride+c.Width*4]
-		if _, err := io.ReadFull(r, p); err != nil {
-			return nil, err
-		}
-		for i := 0; i < len(p); i += 4 {
-			// BMP images are stored in BGRA order rather than RGBA order.
-			p[i+0], p[i+2] = p[i+2], p[i+0]
-		}
-	}
-	return rgba, nil
-}
-
-// Decode reads a BMP image from r and returns it as an image.Image.
-// Limitation: The file must be 8, 24 or 32 bits per pixel.
-func Decode(r io.Reader) (image.Image, error) {
-	c, bpp, topDown, err := decodeConfig(r)
-	if err != nil {
-		return nil, err
-	}
-	switch bpp {
-	case 8:
-		return decodePaletted(r, c, topDown)
-	case 24:
-		return decodeRGB(r, c, topDown)
-	case 32:
-		return decodeNRGBA(r, c, topDown)
-	}
-	panic("unreachable")
-}
-
-// DecodeConfig returns the color model and dimensions of a BMP image without
-// decoding the entire image.
-// Limitation: The file must be 8, 24 or 32 bits per pixel.
-func DecodeConfig(r io.Reader) (image.Config, error) {
-	config, _, _, err := decodeConfig(r)
-	return config, err
-}
-
-func decodeConfig(r io.Reader) (config image.Config, bitsPerPixel int, topDown bool, err error) {
-	// We only support those BMP images that are a BITMAPFILEHEADER
-	// immediately followed by a BITMAPINFOHEADER.
-	const (
-		fileHeaderLen   = 14
-		infoHeaderLen   = 40
-		v4InfoHeaderLen = 108
-		v5InfoHeaderLen = 124
-	)
-	var b [1024]byte
-	if _, err := io.ReadFull(r, b[:fileHeaderLen+4]); err != nil {
-		if err == io.EOF {
-			err = io.ErrUnexpectedEOF
-		}
-		return image.Config{}, 0, false, err
-	}
-	if string(b[:2]) != "BM" {
-		return image.Config{}, 0, false, errors.New("bmp: invalid format")
-	}
-	offset := readUint32(b[10:14])
-	infoLen := readUint32(b[14:18])
-	if infoLen != infoHeaderLen && infoLen != v4InfoHeaderLen && infoLen != v5InfoHeaderLen {
-		return image.Config{}, 0, false, ErrUnsupported
-	}
-	if _, err := io.ReadFull(r, b[fileHeaderLen+4:fileHeaderLen+infoLen]); err != nil {
-		if err == io.EOF {
-			err = io.ErrUnexpectedEOF
-		}
-		return image.Config{}, 0, false, err
-	}
-	width := int(int32(readUint32(b[18:22])))
-	height := int(int32(readUint32(b[22:26])))
-	if height < 0 {
-		height, topDown = -height, true
-	}
-	if width < 0 || height < 0 {
-		return image.Config{}, 0, false, ErrUnsupported
-	}
-	// We only support 1 plane and 8, 24 or 32 bits per pixel and no
-	// compression.
-	planes, bpp, compression := readUint16(b[26:28]), readUint16(b[28:30]), readUint32(b[30:34])
-	// if compression is set to BITFIELDS, but the bitmask is set to the default bitmask
-	// that would be used if compression was set to 0, we can continue as if compression was 0
-	if compression == 3 && infoLen > infoHeaderLen &&
-		readUint32(b[54:58]) == 0xff0000 && readUint32(b[58:62]) == 0xff00 &&
-		readUint32(b[62:66]) == 0xff && readUint32(b[66:70]) == 0xff000000 {
-		compression = 0
-	}
-	if planes != 1 || compression != 0 {
-		return image.Config{}, 0, false, ErrUnsupported
-	}
-	switch bpp {
-	case 8:
-		if offset != fileHeaderLen+infoLen+256*4 {
-			return image.Config{}, 0, false, ErrUnsupported
-		}
-		_, err = io.ReadFull(r, b[:256*4])
-		if err != nil {
-			return image.Config{}, 0, false, err
-		}
-		pcm := make(color.Palette, 256)
-		for i := range pcm {
-			// BMP images are stored in BGR order rather than RGB order.
-			// Every 4th byte is padding.
-			pcm[i] = color.RGBA{b[4*i+2], b[4*i+1], b[4*i+0], 0xFF}
-		}
-		return image.Config{ColorModel: pcm, Width: width, Height: height}, 8, topDown, nil
-	case 24:
-		if offset != fileHeaderLen+infoLen {
-			return image.Config{}, 0, false, ErrUnsupported
-		}
-		return image.Config{ColorModel: color.RGBAModel, Width: width, Height: height}, 24, topDown, nil
-	case 32:
-		if offset != fileHeaderLen+infoLen {
-			return image.Config{}, 0, false, ErrUnsupported
-		}
-		return image.Config{ColorModel: color.RGBAModel, Width: width, Height: height}, 32, topDown, nil
-	}
-	return image.Config{}, 0, false, ErrUnsupported
-}
-
-func init() {
-	image.RegisterFormat("bmp", "BM????\x00\x00\x00\x00", Decode, DecodeConfig)
-}