Implement changes in the intensity of each of the three RGB color

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I have three elipse/

C#

graphics.FillEllipse(Brushes.Blue, 70, 70, 200, 200);  
graphics.FillEllipse(Brushes.Red, 190, 70, 200, 200); 
graphics.FillEllipse(Brushes.Green, 130, 170, 200, 200);

How to changes in the intensity of each of the three RGB color, and add this three color to one resulting color

Posted 12-Oct-11 8:29am

Radzhab

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BillWoodruff 12-Oct-11 21:53pm

Please clarify what you mean by "intensity," and "add this three color" ?

Sergey Alexandrovich Kryukov 12-Oct-11 22:54pm

In optics, there is no such thing as "intensity". Also, RGB value is pretty specific measure, it does not correspond to any of the photometric values. It is designed to provide impression of subjectively linear gradation.
--SA

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Manfred Rudolf Bihy · Answer 1 · 2011-10-12T08:46:00

Have a look here at this tutorial: http://www.aspfree.com/c/a/C-Sharp/Color-Transformation-in-C-sharp-GDI-plus-Programming-1/[^] and here a little something from MSDN: http://msdn.microsoft.com/en-us/library/system.drawing.imaging.colormatrix(v=VS.100).aspx[^].

Do you just want the additive the color or are your thinking about something like it's being discussed here: http://stackoverflow.com/questions/398224/how-to-mix-colors-naturally-with-c[^]?

Regards,

—MRB