The table shows a so-called 'exposure sheet' for an animation, where each row 
corresponds to one frame, and the columns correspond to the various foreground 
and background animation layers. There is one column for audio, and for 
synchronization purposes it is nice to show a wave form of the audio. However, 
the waveform is fixed, i.e. not editable, so adding and deleting table rows 
only affects the position fn table rows with respect to the audio: the audio is 
background, both as audio and as picture. Columns are not sortable, although it 
would be nice to be able to reorder them.

So, 'slicing' the wave form to fit the cells of the audio column will do, but 
then removing/reordering/adding a row from the table means that lots of cell 
images need to be shuffled to restore the audio track.

On 2010-04-24, at 2:44 PM, Andy Lee wrote:

> What about a custom table cell whose draw method draws the appropriate 
> subrectangle of the image?  Would that work?  You might have to work around 
> the table's intercellSpacing so there aren't breaks in the image.
> 
> What's in this image anyway?  I'm having a hard time imagining an app that 
> would use a table column this way.  Are the columns of your table sortable, 
> and if so, does the image remain the same?
> 
> --Andy
> 
> 
> On Apr 24, 2010, at 2:28 PM, Izak van Langevelde wrote:
> 
>> An NSTableView needs a column with one single image, spanning the entire 
>> column.
>> 
>> I have got this working by setting as the background colour of the 
>> NSTableView a pattern, consisting of the background image, scaled big enough 
>> so it does not tile. However, this is somewhat limiting with respect to 
>> column reordering and resizing.
>> 
>> I considered using an NSImageView next to theNSTableView within the same 
>> NSScrollView, or making a table cell span all rows, but each of these has 
>> its own problems. 
>> 
>> Any suggestions on how to improve?
>> 
>> Regards,
>> Izak
>> ---
>> Grinnikend door het leven...
> 
> 

---
Grinnikend door het leven...

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