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 The fastest way to display 2D matrix		  New Topic  Reply to Topic
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maxnovikov

Russia
4 Posts
Posted - Mar 29 2017 :  00:41:44  Show Profile  Reply
Hello!
What is fastest way to display 2D matrix (of integer)as image? When set pixel's value pixel by pixel (ImageEn.IEBitmap.Canvas.Pixels [i, j]:=...) gets about 10 sec for maxtrix ~1000 * 1000 . Too much ....



regards,

xequte

38615 Posts
Posted - Mar 29 2017 :  00:49:40  Show Profile  Reply
Hi

Pixel access will be too slow. Use scanline instead:

http://docs.embarcadero.com/products/rad_studio/delphiAndcpp2009/HelpUpdate2/EN/html/delphivclwin32/Graphics_TBitmap_ScanLine.html


Nigel
Xequte Software
www.xequte.com
nigel@xequte.com
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maxnovikov

Russia
4 Posts
Posted - Mar 29 2017 :  01:25:08  Show Profile  Reply
OK, thanks!
I'll try

regards,
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