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 >>> >>