LabVIEW 2010 icon editor - why is not white white

OK, so I'm creating a LV 2010 icon.

I want a white background.

So, I choose the white color from the palette.  But is not quite like (a bit darker than white) white.

so, I'm going to get a custom color and set it to 255/255/255 (R/G/B).  Add to my custom colors.  go top quickly with the mouse and see that it is actually 255/255/255.

Then I go back to the icon actually edit and make sure that my choice of color (foreground/background) is times WHITE (255, 255, 255).

I draw a box.

The box is not white!

the box is drawn with 246/246/246 colors (R, G, B) 255/255/255 not!

Will create a different color custom 254/255/255.

Draw the area again.

Box is white, but it's actually 255/255/254 (what you expect to get).  Close enough for me to use, so I can do my icons, but I just need to remember not to try to actually set the color to 255/255/255 - actually use something so is little different.

Better I can understand - if you hover over a transparent section, you see the color go to 255/255/255, so LV must use 255/255/255 as transparent.  But then, he says that color is 255/255/255 and it is not, it is transparent.  Thus, the color should be indicated as T/T/T, so I need to know the special 255/255/255 = transparent magic decoder to see if a single pixel is transparent or not.

End of the trip and the ventilation, then the real question:

What is special about to take 255/255/255 white and convert to 246/246/246 instead of something closer as 254/254/254?

Icon editor think he did you a favor, and he's really given probably uses the method (perhaps outdated) LV for transparency on the comic.  By design, a 'white' outside a BD (ie. icon) object is considered as transparent and do not form part of the object insofar as clicking on are worried.  I also discovered the hard way that 'white', one hears all pure gray (R = G = B) with R, G, B 246 >.  Tweaking of the value of B is a way to avoid this (as you discovered).

You can get very interesting effects when LV think than your Subvi everything is transparent.

Tags: NI Software

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