[Digikam-devel] DImg sixteenbits flag corrupted ?

[Gilles Caulier]

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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