Re: Comparing images [WAS: Re: Comparing pictures]

Jean-Luc Arnaud <jean-luc-E/[email protected]> Mon, 19 Mar 2018 10:39:24 +0100
Newsgroups gmane.comp.lang.realbasic.user
Organization Centre Direct du Multimédia
Message-ID <[email protected]>
> you mean actually comparing the images themselves?
Yes, indeed. But they are only icons, 32x32 or 16x16 pixels, so 
comparing pixel to pixel should be fast.

Jean-Luc Arnaud

Le 17/03/2018 à 12:39, Eduardo Gutierrez de O a écrit :
> Hi, Jean-Luc
>
> This is not what you're asking, but I'm intrigued.
>
> When you say you're comparing pictures you mean actually comparing the images themselves? If so, are you using some sort of p-hash or the images are identical?
>
> Eduo
>
>> On 16 Mar 2018, at 17:42, Jean-Luc Arnaud <jean-luc-E/[email protected]> 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.
>>
>> -- 
>> Jean-Luc Arnaud
>>