From 4dd8bae5c91fa4aef09d865d8fef1acd84f90925 Mon Sep 17 00:00:00 2001 From: Wim Date: Sun, 17 Oct 2021 00:47:22 +0200 Subject: Update dependencies (#1610) * Update dependencies * Update module to go 1.17 --- vendor/golang.org/x/image/tiff/consts.go | 149 ------------------------------- 1 file changed, 149 deletions(-) delete mode 100644 vendor/golang.org/x/image/tiff/consts.go (limited to 'vendor/golang.org/x/image/tiff/consts.go') diff --git a/vendor/golang.org/x/image/tiff/consts.go b/vendor/golang.org/x/image/tiff/consts.go deleted file mode 100644 index 3e5f7f14..00000000 --- a/vendor/golang.org/x/image/tiff/consts.go +++ /dev/null @@ -1,149 +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 tiff - -// A tiff image file contains one or more images. The metadata -// of each image is contained in an Image File Directory (IFD), -// which contains entries of 12 bytes each and is described -// on page 14-16 of the specification. An IFD entry consists of -// -// - a tag, which describes the signification of the entry, -// - the data type and length of the entry, -// - the data itself or a pointer to it if it is more than 4 bytes. -// -// The presence of a length means that each IFD is effectively an array. - -const ( - leHeader = "II\x2A\x00" // Header for little-endian files. - beHeader = "MM\x00\x2A" // Header for big-endian files. - - ifdLen = 12 // Length of an IFD entry in bytes. -) - -// Data types (p. 14-16 of the spec). -const ( - dtByte = 1 - dtASCII = 2 - dtShort = 3 - dtLong = 4 - dtRational = 5 -) - -// The length of one instance of each data type in bytes. -var lengths = [...]uint32{0, 1, 1, 2, 4, 8} - -// Tags (see p. 28-41 of the spec). -const ( - tImageWidth = 256 - tImageLength = 257 - tBitsPerSample = 258 - tCompression = 259 - tPhotometricInterpretation = 262 - - tFillOrder = 266 - - tStripOffsets = 273 - tSamplesPerPixel = 277 - tRowsPerStrip = 278 - tStripByteCounts = 279 - - tT4Options = 292 // CCITT Group 3 options, a set of 32 flag bits. - tT6Options = 293 // CCITT Group 4 options, a set of 32 flag bits. - - tTileWidth = 322 - tTileLength = 323 - tTileOffsets = 324 - tTileByteCounts = 325 - - tXResolution = 282 - tYResolution = 283 - tResolutionUnit = 296 - - tPredictor = 317 - tColorMap = 320 - tExtraSamples = 338 - tSampleFormat = 339 -) - -// Compression types (defined in various places in the spec and supplements). -const ( - cNone = 1 - cCCITT = 2 - cG3 = 3 // Group 3 Fax. - cG4 = 4 // Group 4 Fax. - cLZW = 5 - cJPEGOld = 6 // Superseded by cJPEG. - cJPEG = 7 - cDeflate = 8 // zlib compression. - cPackBits = 32773 - cDeflateOld = 32946 // Superseded by cDeflate. -) - -// Photometric interpretation values (see p. 37 of the spec). -const ( - pWhiteIsZero = 0 - pBlackIsZero = 1 - pRGB = 2 - pPaletted = 3 - pTransMask = 4 // transparency mask - pCMYK = 5 - pYCbCr = 6 - pCIELab = 8 -) - -// Values for the tPredictor tag (page 64-65 of the spec). -const ( - prNone = 1 - prHorizontal = 2 -) - -// Values for the tResolutionUnit tag (page 18). -const ( - resNone = 1 - resPerInch = 2 // Dots per inch. - resPerCM = 3 // Dots per centimeter. -) - -// imageMode represents the mode of the image. -type imageMode int - -const ( - mBilevel imageMode = iota - mPaletted - mGray - mGrayInvert - mRGB - mRGBA - mNRGBA - mCMYK -) - -// CompressionType describes the type of compression used in Options. -type CompressionType int - -// Constants for supported compression types. -const ( - Uncompressed CompressionType = iota - Deflate - LZW - CCITTGroup3 - CCITTGroup4 -) - -// specValue returns the compression type constant from the TIFF spec that -// is equivalent to c. -func (c CompressionType) specValue() uint32 { - switch c { - case LZW: - return cLZW - case Deflate: - return cDeflate - case CCITTGroup3: - return cG3 - case CCITTGroup4: - return cG4 - } - return cNone -} -- cgit v1.2.3