Re: Comparing pictures
Jean-Luc Arnaud <jean-luc-E/[email protected]> Mon, 19 Mar 2018 10:44:44 +0100
| Newsgroups | gmane.comp.lang.realbasic.user |
|---|---|
| Organization | Centre Direct du Multimédia |
| Message-ID | <[email protected]> |
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 >