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unisnk
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Cairo Graphics Engine
Sep 24th, 2008 at 4:00pm
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I saw that FlowChartX is based on GDI/GDI+ rendering engine.

Could be useful to use instead Cairo Graphics engine to have faster performance? ( http://en.wikipedia.org/wiki/Cairo_(graphics) ).

I don't know how can be difficult to implement this. Probably it's a large work and it's not worth it.

Greetings
  
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Stoyo
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Re: Cairo Graphics Engine
Reply #1 - Sep 24th, 2008 at 6:03pm
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It's a matter of implementing about 30 functions defined in the FlowchartX Canvas interface through the Cairo API, and shouldn't be hard at all. I don't know whether Cairo would be faster, especially if its Win32 version simply wraps the GDI API (http://cairographics.org/backends/ - not sure what they mean by 'Windows GDI backend'). We'll do some tests to see if it does any better than the plain GDI API and will decide then.

Stoyan
  
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unisnk
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Re: Cairo Graphics Engine
Reply #2 - Sep 25th, 2008 at 7:41am
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well, keep us informed  Wink
  
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unisnk
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Re: Cairo Graphics Engine
Reply #3 - Nov 27th, 2008 at 12:07pm
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and what about DirectX ? Is possible to implement them?
  
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Stoyo
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Re: Cairo Graphics Engine
Reply #4 - Nov 28th, 2008 at 3:39pm
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Afraid not; there aren't functions in the DirectX API for drawing arcs, beziers, etc. and our activex developer is too lazy to code them on his own Smiley
  
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