[Digikam-devel] DImg sixteenbits flag corrupted ?

[Gilles Caulier]

Marcel,

Fixed in svn. Problem been due to a wrong computation of curves with
an unitialized color depth.

Gilles

2010/2/23 Gilles Caulier <caulier.gilles at gmail.com>:
> 2010/2/23 Marcel Wiesweg <marcel.wiesweg at gmx.de>:
>>
>>> Both lines must give the same result in tool preview. But if you use
>>> DImg::numBytes(), i can see an image with an height reduced by 2 ! the
>>> question is why ?
>>>
>>> Can you reproduce it ?
>>
>> No. I put this in line 126:
>> kDebug() << m_orgImage.numBytes() <<
>> m_orgImage.width()*m_orgImage.height()*(m_orgImage.sixteenBit() ? 8 : 4);
>>
>> and get the same (correct) result for an 8 or 16bit image.
>> However, I get a lot of these:
>> Digikam::HistogramPainterPriv::scaleToPixmapHeight: Scaling value < 0:  0 .
>> Falling back to 1.0
>>
>> and the filter is broken: for 8bit, I get simply a gray result image, for
>> 16bit, the upper half is grey and the lower half is the original.
>
> well here all is fine, in 16 or 8 bits. Sound like a race condition
> somewhere i think. I search...
>
> Gilles
>
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>