[Lazarus] Graphics changes (r15472)

[Marc Weustink]

Marc Weustink wrote:
> Kostas Michalopoulos wrote:
>>>> Yeah, this pretty much destroyed the material thumbnails in my 3D design
>>>> app. Any workaround or this will come back soon? :-)
>>> Revert to r15471
>>>
>>> Marc
>> That, or make a patch :-P.
>>
>> I've attached my fix. Seems that TCustomBitmap.SetSize was doing nothing 
>> except filling some values in a TDIBSection which weren't used. I kept 
>> them there (because i didn't tracked where they're actually used), but 
>> also wrote code that updates the width/height info in FImage.Description 
>> and allocates data for the pixels. I use RawimageNeeded too to obtain a 
>> valid description (i just put the new width and height there).
>>
>> This makes both the autocompletion and changing TBitmap size code to work.
> 
> autocompletion ??
> 
> anyway, I need to think about this. Setting the width/height might be an 
> issue of TRasterImage too. Allocation of data is not needed (yet)
> 
> About the DIBsection, that code will be removed and gets replaced by the 
> rawimage.

Should be fixed now in r15510

Marc