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| November 11th, 2008 | |
|---|---|
| 07:14 pm [Link] |     (Re: http://lj.rossia.org/users/imz/1754.htm
$ xpaint ~/data/IN/unique/for-mama/20081111.jpg
XPaint uses the native display format for storing image info while editing;
the original image information is thrown away. This means that, in general,
color information is irretrievably lost when using any display depth less
than 24 bits.
More specifically, for depths less than 8 bits, both 24-bit (true-color) and
8-bit (palette) images will be reduced to the display depth; for 8-bit
displays, standard color-mapped images are safe but 12-bit color-mapped and
24-bit true-color images will lose color information; for 15- and 16-bit
displays (typically RGB 555 and 565, respectively), in general both 8-bit
and 24-bit images will suffer data loss; and for 24- or 32-bit displays,
only very deep images such as 16-bit grayscale or 48-bit true-color will
lose data.
Also note that any ancillary information associated with the original image
(embedded comments, time stamp, copyright, etc.) will always be lost.
Your canvas depth is 16 bits.
================================================================
WARNING! Most color-mapped (palette) and true-color images will
lose information irreversibly!
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So, I can't use it for real editing of images. |