Home » Developing U++ » U++ Developers corner » Painter future
| Re: Painter future [message #20207 is a reply to message #20206] |
Wed, 25 February 2009 16:09   |
Tom1
Messages: 1302
Registered: March 2007
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Ultimate Contributor |
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Changing the line width to 4 pixels on my system yields the following change in results:
Painter polylines: 210 ms -> 243 ms
Draw polylines(using GDI): 5 ms -> 43 ms
OpenGL polylines (using GLCtrl): 32 ms -> 31 ..34 ms
NOTE: Only line widths of 1 are required to be supported by any OpenGL implementation, so drawing polylines wider than 1 pixels will have to be mapped to polygons anyway for OpenGL to ensure compatibility across platforms.
In my opinion, the most notable change is with GDI performance level dropping from the "awesome" level to just "OK".
// Tom
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