Re: Comparing pictures

Jean-Luc Arnaud <jean-luc-E/[email protected]> Mon, 19 Mar 2018 15:37:50 +0100
Newsgroups gmane.comp.lang.realbasic.user
Organization Centre Direct du Multimédia
Message-ID <[email protected]>
Thanks, Giulio.

Yes, this is helpful! I know since some days that a Variant may content 
a dictionary! And a lot of another things.

I should have thought to that...

Grazie mille!

Jean-Luc Arnaud

Le 19/03/2018 à 10:50, giulio-yFZTWCmGK/pWk0Htik3J/[email protected] a écrit :
> Ji Jean-luc,
>
> but the celltags are of variant type,
> so you can store everything there…
>
> you could simply define a class, with the parameters you need,
> and set the celltag to an instance of that class.
> so you can store multiple different values in a single cell tag
>
> hope it helps,
>
>  Giulio
>
> Giulio Mastrosanti
> *BitBazar srl*
> 06 39737052 / 06 39725787
>
> On 19 mar 2018, 10:45 +0100, Jean-Luc Arnaud 
> <jean-luc-E/[email protected]>, wrote:
>> Thanks for replying, Don.
>>
>>> As you draw the icon, could you put an identifier in a cell tag or an
>>> array and check that instead of reading the icon directly? Just a
>>> thought.
>> Yes, it's currently the only way I can figure out. Unfortunately, all
>> tags (Cell or Row) of my listbox are used, so, it only remains the 
>> array...
>>
>> Or maybe an additional and hidden column? What do you think about that?
>>
>> Jean-Luc Arnaud
>>
>> Le 16/03/2018 à 22:59, donJ a écrit :
>>> On 03/16/2018 10:42 AM, Jean-Luc Arnaud wrote:
>>>> Hi all,
>>>>
>>>> I'm used to drawing icons in Listbox cells.
>>>>
>>>> I need to compare these icons with pictures, in order to determine
>>>> what action should fire when clicked.
>>>>
>>>> I know coordinates of each icon in the cell.
>>>>
>>>> 1) Is the RGBSurface and Pixel comparison a good way?
>>>>
>>>> 2) How to get an RGBSurface of a cell area in the CellClick event? I
>>>> can't figure out how to get a Graphics object of the area and then a
>>>> RGBSurface.
>>>>
>>>> All suggestion welcome, including MBS plugins use.
>>>>
>>>> TIA for your help.
>>>>
>>> Hi Jean-Luc,
>>> As I recall, RGBSurface is pretty slow. As you draw the icon, could
>>> you put an identifier in a cell tag or an array and check that instead
>>> of reading the icon directly? Just a thought.
>>>
>>> Don Jungk
>>>
>>