algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-11 14:12:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

Format code with prettier (#3375)

Browse Source
This commit is contained in:
acbin
2022-10-03 17:23:00 +08:00
committed by GitHub
parent 32b9b11ed5
commit e96f567bfc
464 changed files with 11483 additions and 6189 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
src/main/java/com/thealgorithms/backtracking/FloodFill.java
View File

@ -13,13 +13,11 @@ public class FloodFill {
* @param x The x co-ordinate of which color is to be obtained
* @param y The y co-ordinate of which color is to be obtained
*/
public static int getPixel(int[][] image, int x, int y) {
return image[x][y];
}
public static int getPixel(int[][] image, int x, int y) {
return image[x][y];
}
/**
* Put the color at the given co-odrinates of a 2D image
*
@ -27,13 +25,10 @@ public class FloodFill {
* @param x The x co-ordinate at which color is to be filled
* @param y The y co-ordinate at which color is to be filled
*/
public static void putPixel(int[][] image, int x, int y, int newColor) {
image[x][y] = newColor;
}
public static void putPixel(int[][] image, int x, int y, int newColor) {
image[x][y] = newColor;
}
/**
* Fill the 2D image with new color
*
@ -44,26 +39,29 @@ public class FloodFill {
* @param oldColor The old color which is to be replaced in the image
* @return
*/
public static void floodFill(int[][] image, int x, int y, int newColor, int oldColor) {
public static void floodFill(
int[][] image,
int x,
int y,
int newColor,
int oldColor
) {
if (x < 0 || x >= image.length) return;
if (y < 0 || y >= image[x].length) return;
if (getPixel(image, x, y) != oldColor) return;
if(x < 0 || x >= image.length) return;
if(y < 0 || y >= image[x].length) return;
if(getPixel(image, x, y) != oldColor) return;
putPixel(image, x, y, newColor);
putPixel(image, x, y, newColor);
/* Recursively check for horizontally & vertically adjacent coordinates */
floodFill(image, x + 1, y, newColor, oldColor);
floodFill(image, x - 1, y, newColor, oldColor);
floodFill(image, x, y + 1, newColor, oldColor);
floodFill(image, x, y - 1, newColor, oldColor);
/* Recursively check for horizontally & vertically adjacent coordinates */
floodFill(image, x + 1, y, newColor, oldColor);
floodFill(image, x - 1, y, newColor, oldColor);
floodFill(image, x, y + 1, newColor, oldColor);
floodFill(image, x, y - 1, newColor, oldColor);
/* Recursively check for diagonally adjacent coordinates */
floodFill(image, x + 1, y - 1, newColor, oldColor);
floodFill(image, x - 1, y + 1, newColor, oldColor);
floodFill(image, x + 1, y + 1, newColor, oldColor);
floodFill(image, x - 1, y - 1, newColor, oldColor);
}
}
/* Recursively check for diagonally adjacent coordinates */
floodFill(image, x + 1, y - 1, newColor, oldColor);
floodFill(image, x - 1, y + 1, newColor, oldColor);
floodFill(image, x + 1, y + 1, newColor, oldColor);
floodFill(image, x - 1, y - 1, newColor, oldColor);
}
}