[Digikam-devel] [Bug 156836] preview zoom to 100 percent is not 100 percent viewing Canon RAW/CR2

[Milan Knizek]

https://bugs.kde.org/show_bug.cgi?id=156836





--- Comment #9 from Milan Knizek <knizek volny cz>  2010-01-09 09:37:53 ---
In 1.0.0 final:

Canon CR2 files (EOS 5DMII) are previewed at 100 % when "Embedded preview load
full image size" is on.

Embedded JPEGs in CR2 are previewed approximately at 28 % of their resolution
when "Embedded preview load full image size" is off.

To check native resolution of the raw file:
$ identify -verbose raw+0.3.cr2
Base filename: raw+0.3.cr2
  Format: CR2 (Canon Digital Camera Raw Image Format)
  Class: DirectClass
  Geometry: 5634x3753+0+0

To check native resolution of the embedded JPEG files:
$ exiv2 -pp raw+0.3.cr2
Preview 1: image/jpeg, 160x120 pixels, 11423 bytes
Preview 2: image/jpeg, 5616x3744 pixels, 865240 bytes

(As you can see, the second preview has the same resolution as the raw data.)

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