On Fri, May 22, 2009 at 1:09 PM, Gavin Aiken <[email protected]>wrote:
> Hey all,
>
> Before I submit this I just wanted to check it's not a java nuiance.
>
> The Color class can be used to extract rgb values from a pixel (32 bit
> int).
>
> I implemented a lookup table filter and used a byte to store each
> individual r g & b value to save a bit of space.
>
> Long story short;
>
> public void testColor(){
>
> int nr = (byte)0; // Simulation of lookup in array of byte values
> representing individual bands
> int ng = (byte)0;
> int nb = (byte)0;
> int nc = Color.rgb(nr, ng, nb);
>
> assertEquals(nr,Color.red(nc));
> assertEquals(ng,Color.green(nc));
> assertEquals(ng,Color.blue(nc));
Typo?
nr = (byte)0;
> ng = (byte)137;
A byte is a signed 8-bit number, and 137 won't fit in that, so you may not
get what you want.
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