how to get Color name from a specific pixel ??

Sun Jun 10, 2007 9:01 pm

hello

i've the code :

Code:: class A{ public static void main(String[] args){ try { BufferedImage bi=ImageIO.read(new File("C:\\a.gif")); int a=bi.getRGB(20,20); } catch (IOException ex) { ex.printStackTrace(); } } }

i don't know how to get the color name , i can create new Object from color by Color(r,b,g) but i want the name .
and it seem hard because i must do bit twice (&00xFF)

is there any alternative ways to get Color name from specific pixel ?

Sun Jun 10, 2007 9:38 pm

Hi ,Xline

Code:: int a=bi.getRGB(20,20);

now you can use the value of a to get the R ,G,B Components using binary Shift like Bellow

Code:: int r = (rgb >> 16) & 0xff; int g = (rgb >> 8) & 0xff; int b = (rgb >> 0) & 0xff;

then you can use it in new Color(R,G,B);

and also you can get it Back to Original Value

Code:: rgb= (rgb & 0xff000000) | (r << 16) | (g << 8) | (b << 0);

I Hope that helped you

how to get Color name from a specific pixel ??

how to get Color name from a specific pixel ??

Re: how to get Color name from a specific pixel ??