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Update vendor (#1265)

This commit is contained in:
Wim
2020-10-19 23:40:00 +02:00
committed by GitHub
parent 950f2759bd
commit 075a84427f
242 changed files with 22338 additions and 1486 deletions

View File

@ -126,22 +126,23 @@ func decode(r io.Reader, configOnly bool) (image.Image, image.Config, error) {
alphaBit = 1 << 4
iccProfileBit = 1 << 5
)
if buf[0] != alphaBit {
return nil, image.Config{}, errors.New("webp: non-Alpha VP8X is not implemented")
}
wantAlpha = (buf[0] & alphaBit) != 0
widthMinusOne = uint32(buf[4]) | uint32(buf[5])<<8 | uint32(buf[6])<<16
heightMinusOne = uint32(buf[7]) | uint32(buf[8])<<8 | uint32(buf[9])<<16
if configOnly {
if wantAlpha {
return nil, image.Config{
ColorModel: color.NYCbCrAModel,
Width: int(widthMinusOne) + 1,
Height: int(heightMinusOne) + 1,
}, nil
}
return nil, image.Config{
ColorModel: color.NYCbCrAModel,
ColorModel: color.YCbCrModel,
Width: int(widthMinusOne) + 1,
Height: int(heightMinusOne) + 1,
}, nil
}
wantAlpha = true
default:
return nil, image.Config{}, errInvalidFormat
}
}
}