1 files changed, 0 insertions, 81 deletions
diff --git a/vendor/github.com/superseriousbusiness/go-png-image-structure/v2/chunk_decoder.go b/vendor/github.com/superseriousbusiness/go-png-image-structure/v2/chunk_decoder.go
deleted file mode 100644
index 518bc91ad..000000000
--- a/vendor/github.com/superseriousbusiness/go-png-image-structure/v2/chunk_decoder.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package pngstructure
-
-import (
-	"bytes"
-	"fmt"
-
-	"encoding/binary"
-)
-
-type ChunkDecoder struct {
-}
-
-func NewChunkDecoder() *ChunkDecoder {
-	return new(ChunkDecoder)
-}
-
-func (cd *ChunkDecoder) Decode(c *Chunk) (decoded interface{}, err error) {
-	switch c.Type {
-	case "IHDR":
-		return cd.decodeIHDR(c)
-	}
-
-	// We don't decode this type.
-	return nil, nil
-}
-
-type ChunkIHDR struct {
-	Width             uint32
-	Height            uint32
-	BitDepth          uint8
-	ColorType         uint8
-	CompressionMethod uint8
-	FilterMethod      uint8
-	InterlaceMethod   uint8
-}
-
-func (ihdr *ChunkIHDR) String() string {
-	return fmt.Sprintf("IHDR<WIDTH=(%d) HEIGHT=(%d) DEPTH=(%d) COLOR-TYPE=(%d) COMP-METHOD=(%d) FILTER-METHOD=(%d) INTRLC-METHOD=(%d)>",
-		ihdr.Width, ihdr.Height, ihdr.BitDepth, ihdr.ColorType, ihdr.CompressionMethod, ihdr.FilterMethod, ihdr.InterlaceMethod,
-	)
-}
-
-func (cd *ChunkDecoder) decodeIHDR(c *Chunk) (*ChunkIHDR, error) {
-	var (
-		b     = bytes.NewBuffer(c.Data)
-		ihdr  = new(ChunkIHDR)
-		readf = func(data interface{}) error {
-			return binary.Read(b, binary.BigEndian, data)
-		}
-	)
-
-	if err := readf(&ihdr.Width); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.Height); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.BitDepth); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.ColorType); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.CompressionMethod); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.FilterMethod); err != nil {
-		return nil, err
-	}
-
-	if err := readf(&ihdr.InterlaceMethod); err != nil {
-		return nil, err
-	}
-
-	return ihdr, nil
-}