Try grabbing image size without decoding the whole image

[foresmac]

Looks like Go 1.5 has a DecodeConfig function which scans image headers for stuff like resolution without deciding the whole image. Might be a possible optimization for the code the grabs the original image size.

https://golang.org/pkg/image/jpeg/#DecodeConfig

[scottferg]

Boom

On Sat, Aug 22, 2015, 4:08 PM Chris Foresman notifications@github.com
wrote:

Looks like Go 1.5 has a DecodeConfig function which scans image headers
for stuff like resolution without deciding the whole image. Might be a
possible optimization for the code the grabs the original image size.

https://golang.org/pkg/image/jpeg/#DecodeConfig

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