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image/jpeg: avoid documentation argument over whether it's luma 

subsampling or chroma subsampling.

Fixes #5569.

R=r
CC=golang-dev
https://golang.org/cl/9900044
This commit is contained in:
Nigel Tao 2013-06-05 10:18:06 +10:00
parent 8c1b0da0ac
commit 427bec62b5
1 changed files with 2 additions and 2 deletions
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4
src/pkg/image/jpeg/reader.go
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@ -174,10 +174,10 @@ func (d *decoder) processSOF(n int) error {
// values for the Cr and Cb components must be (1, 1).
if i == 0 {
if hv != 0x11 && hv != 0x21 && hv != 0x22 && hv != 0x12 {
return UnsupportedError("luma downsample ratio")
return UnsupportedError("luma/chroma downsample ratio")
}
} else if hv != 0x11 {
return UnsupportedError("chroma downsample ratio")
return UnsupportedError("luma/chroma downsample ratio")
}
}
return nil