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package bjc.imgchain.utils;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
public class Utils {
public static BufferedImage toBuffered(Image img) {
if (img instanceof BufferedImage) {
return (BufferedImage) img;
}
/*
* Create a buffered image with transparency
*/
BufferedImage bufimg = new BufferedImage(img.getWidth(null), img.getHeight(null),
BufferedImage.TYPE_INT_ARGB);
/*
* Draw the image on to the buffered image
*/
Graphics2D graph = bufimg.createGraphics();
graph.drawImage(img, 0, 0, null);
graph.dispose();
/*
* Return the buffered image
*/
return bufimg;
}
public static int[] toARGBQuad(int rbg) {
return new int[] { (rbg >> 24) & 0xff, (rbg >> 16) & 0xff, (rbg >> 8) & 0xff, rbg & 0xff };
}
public static int fromARGBQuad(int[] argb) {
return (argb[0] << 24) | (argb[1] << 16) | (argb[2] << 8) | argb[3];
}
public static int[][] padarray(int[][] arr, int padWith, int numOfPads) {
int[][] temp = new int[arr.length + numOfPads * 2][arr[0].length + numOfPads * 2];
for (int i = 0; i < temp.length; i++) {
for (int j = 0; j < temp[i].length; j++) {
temp[i][j] = padWith;
}
}
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j < arr[i].length; j++) {
temp[i + numOfPads][j + numOfPads] = arr[i][j];
}
}
return temp;
}
}
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