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| author | Nigel Tao <nigeltao@golang.org> | 2014-09-01 10:02:52 +1000 |
|---|---|---|
| committer | Nigel Tao <nigeltao@golang.org> | 2014-09-01 10:02:52 +1000 |
| commit | 686ecd83c04c9904de9457c7b14380cc2c04cff2 (patch) | |
| tree | 752820907d4ab5ed4456e957fb9638bbf2dde122 /src | |
| parent | a287567d3cd108513d337f647a3902d3b7fade34 (diff) | |
| download | go-686ecd83c04c9904de9457c7b14380cc2c04cff2.tar.xz | |
image/png: make the CompressionLevel constants negative, reserving
positive numbers to mean a numeric zlib compression level.
LGTM=bradfitz, ruiu
R=bradfitz, ruiu
CC=golang-codereviews, jeff.allen
https://golang.org/cl/138860043
Diffstat (limited to 'src')
| -rw-r--r-- | src/pkg/image/png/writer.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/pkg/image/png/writer.go b/src/pkg/image/png/writer.go index b1a70c79d3..df23270ee9 100644 --- a/src/pkg/image/png/writer.go +++ b/src/pkg/image/png/writer.go @@ -33,10 +33,13 @@ type encoder struct { type CompressionLevel int const ( - DefaultCompression CompressionLevel = iota - NoCompression - BestSpeed - BestCompression + DefaultCompression CompressionLevel = 0 + NoCompression CompressionLevel = -1 + BestSpeed CompressionLevel = -2 + BestCompression CompressionLevel = -3 + + // Positive CompressionLevel values are reserved to mean a numeric zlib + // compression level, although that is not implemented yet. ) // Big-endian. |