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dithering a grayscale image

uncompressed photographic image
pixels
representation of color and grayscale
proper data type for this

how to read an external file
-binary file (encoded)
-text file (readable as characters)

user-defined methods




public class Main
{
Put 3 dither methods here

public... void man () throws Exception


try(
FileInputStream file IS = FileInputStream("Dog.raw");
)

/* Pseudocode

Ask the user what kind of dithering to do
switch on dither type
case
1 random
2 pattern
3 error diffusion


public static void randDith(int w, int h, FileInputStream (s)throws exception{
int [][] imageGS = new int [h][w];
byte b;
try (
for (int r = 0; r<h; r++){
for (int c= 0; c<w; c++){
b=(byte)is.read();
imageGS[r][c]=b& 0xff;
}}
)
catch{"Error");
}
     
 
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