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Moved some methods. and fixed the image blur filter

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Ziver Koc 2008-11-19 15:58:48 +00:00
parent ed68e21b05
commit 40b5173abe
8 changed files with 140 additions and 281 deletions
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75
src/zutil/image/ImageUtil.java
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@ -43,6 +43,25 @@ public class ImageUtil {
}
}
}
/**
* Normalizes the image data by the given scale
*
* @param output The output data array
* @param data The image data
* @param cols The number of columns
* @param rows The number of rows
* @param scale The scale to normalize the image by
*/
public static void normalize(int[][][] output, int[][][] data, int cols, int rows, double scale) {
for(int y=0; y<rows ;y++){
for(int x=0; x<cols ;x++){
output[y][x][1] = (int)(data[y][x][1] * scale);
output[y][x][2] = (int)(data[y][x][2] * scale);
output[y][x][3] = (int)(data[y][x][3] * scale);
}
}
}
/**
* Returns the rms value of the image
@ -167,4 +186,60 @@ public class ImageUtil {
}
return crop;
}
/**
* Copies the given array to a new one that it returns
*
* @param data The data to duplicate
* @param cols The amount of columns
* @param rows The amount of rows
* @return The array copy
*/
public static int[][][] copyArray(int[][][] data,int cols,int rows){
int[][][] copy = new int[rows][cols][4];
for(int y=0; y<rows ;y++){
for(int x=0; x<cols ;x++){
copy[y][x][0] = data[y][x][0];
copy[y][x][1] = data[y][x][1];
copy[y][x][2] = data[y][x][2];
copy[y][x][3] = data[y][x][3];
}
}
return copy;
}
/**
* This method clips the values of the pixel so that they
* are in the range 0-255
*
* @param data The image data
* @param cols The amount of columns
* @param rows The amount of rows
*/
public static void clip(int[][][] data, int cols, int rows){
for(int y=0; y<rows ;y++){
for(int x=0; x<cols ;x++){
data[y][x][1] = clip(data[y][x][1]);
data[y][x][1] = clip(data[y][x][2]);
data[y][x][1] = clip(data[y][x][3]);
}
}
}
/**
* This method clips the values of a color so that it
* is in the range 0-255
*
* @param color
* @return
*/
public static int clip(int color){
if(color < 0)
return 0;
else if(color > 255)
return 255;
else
return color;
}
}