WaltCuller
39cc3a2a7e
exif: Return the proper exposure time value in some special cases
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Return value in float64 if exposure time is int or greater than 1, otherwise return in fraction.
Fixes #10738
2023-02-26 11:19:49 +01:00
Bjørn Erik Pedersen
fa80fe3c8a
Some godoc adjustments and image struct renames
2022-04-27 23:53:56 +02:00
Cameron Moore
f6612d8bd8
exif: Fix handling of utf8 runes in nullString()
2021-03-13 21:20:10 +01:00
Cameron Moore
0a2ab3f8fe
exif: Allow more spacing characters in strings
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The root cause of issue #8079 was a non-breaking space (U+0160).
`unicode.IsPrint` only allows the ASCII space (U+0020). Be more lenient
by using `unicode.IsGraphic` instead.
Fixes #8079
2021-03-13 21:20:10 +01:00
Bjørn Erik Pedersen
d90e37e0c6
all: Format code with gofumpt
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See https://github.com/mvdan/gofumpt
2020-12-03 13:12:58 +01:00
Bjørn Erik Pedersen
ce47c21a29
resources: Cache Exif data to disk
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```bash
name old time/op new time/op delta
ImageExif/Cold_cache-4 312µs ±28% 355µs ± 7% ~ (p=0.343 n=4+4)
ImageExif/Cold_cache,_10-4 479µs ± 6% 546µs ± 0% +13.91% (p=0.029 n=4+4)
ImageExif/Warm_cache-4 272µs ± 1% 81µs ± 5% -70.30% (p=0.029 n=4+4)
name old alloc/op new alloc/op delta
ImageExif/Cold_cache-4 151kB ± 0% 161kB ± 0% +6.46% (p=0.029 n=4+4)
ImageExif/Cold_cache,_10-4 179kB ± 0% 189kB ± 0% +5.49% (p=0.029 n=4+4)
ImageExif/Warm_cache-4 151kB ± 0% 13kB ± 0% -91.52% (p=0.029 n=4+4)
name old allocs/op new allocs/op delta
ImageExif/Cold_cache-4 1.03k ± 0% 1.21k ± 0% +17.78% (p=0.029 n=4+4)
ImageExif/Cold_cache,_10-4 1.65k ± 0% 1.83k ± 0% +11.09% (p=0.029 n=4+4)
ImageExif/Warm_cache-4 1.03k ± 0% 0.28k ± 0% -72.40% (p=0.029 n=4+4)
```
Fixes #6291
2019-09-02 16:37:28 +02:00
Bjørn Erik Pedersen
28143397d6
Add image.Exif
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Note that we will probably need to add some metadata cache for this to scale.
Fixes #4600
2019-08-31 19:04:56 +02:00
