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Diffstat (limited to 'vendor/golang.org/x/image/tiff/writer.go')
-rw-r--r--vendor/golang.org/x/image/tiff/writer.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/vendor/golang.org/x/image/tiff/writer.go b/vendor/golang.org/x/image/tiff/writer.go
index c8a01cea7..4272c5aa0 100644
--- a/vendor/golang.org/x/image/tiff/writer.go
+++ b/vendor/golang.org/x/image/tiff/writer.go
@@ -8,6 +8,7 @@ import (
"bytes"
"compress/zlib"
"encoding/binary"
+ "errors"
"image"
"io"
"sort"
@@ -338,6 +339,8 @@ func Encode(w io.Writer, m image.Image, opt *Options) error {
}
case cDeflate:
dst = zlib.NewWriter(&buf)
+ default:
+ return errors.New("tiff: unsupported compression")
}
pr := uint32(prNone)