From 0d0e7140c4fe4653821ff05220dcb8a97f4473cc Mon Sep 17 00:00:00 2001
From: Siwat Sirichai <siwat@siwatinc.com>
Date: Thu, 29 Oct 2020 14:30:41 +0700
Subject: [PATCH] Add Comments to DesaturateIt.java

---
 Week9/Assignment9/bin/DesaturateIt.class | Bin 1398 -> 1398 bytes
 Week9/Assignment9/src/DesaturateIt.java  |  17 +++++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/Week9/Assignment9/bin/DesaturateIt.class b/Week9/Assignment9/bin/DesaturateIt.class
index b0da77f789b5a1c59ed07af594555798432e2c7f..b71923ac41de2cd5e37adaeb11c28c43d38eeb94 100644
GIT binary patch
delta 29
kcmeyy^^I!-2dkhOgFAydLl}bwLn?zZLnVXOWJ%Uo0BWBG8UO$Q

delta 29
kcmeyy^^I!-2dkhegFAy7Ll}cPLn?zZLnVXeWJ%Uo0BUCj761SM

diff --git a/Week9/Assignment9/src/DesaturateIt.java b/Week9/Assignment9/src/DesaturateIt.java
index a0b772d..79e1555 100644
--- a/Week9/Assignment9/src/DesaturateIt.java
+++ b/Week9/Assignment9/src/DesaturateIt.java
@@ -12,19 +12,19 @@ public class DesaturateIt{
 		// - original, grayscale, sepia
 		//Array Structure
 		// [X][Y][COLOR]
-		int[][][][] images = new int[3][][][];
-		images[0]=rgb;
-		images[1]=gray;
-		images[2]=sepia;
-		Java101ImageUtil.showViewer(images,"show all");
+		int[][][][] images = new int[3][][][]; //We want to draw 3 images, 
+		images[0]=rgb; //the default image
+		images[1]=gray; //gray image
+		images[2]=sepia; //sepiaed image
+		Java101ImageUtil.showViewer(images,"show all"); //Call ImageUtil to draw the image
 	}
 
 	public static int [][][] grayscale(int [][][] rgb) {
 		// fill code
 		int[][][] grayscale = new int [rgb.length][rgb[0].length][3];
-		for(int i=0;i<grayscale.length;i++) for(int j=0;j<grayscale[0].length;j++) {
-			int modifiedColor = (int)Math.ceil((rgb[i][j][0]+rgb[i][j][1]+rgb[i][j][2])/3.0);
-			for(int k = 0;k<3;k++)grayscale[i][j][k] = modifiedColor;
+		for(int i=0;i<grayscale.length;i++) for(int j=0;j<grayscale[0].length;j++) { //Loop through each Pixel
+			int modifiedColor = (int)Math.ceil((rgb[i][j][0]+rgb[i][j][1]+rgb[i][j][2])/3.0); //Grayscale is the average of all color in each pixel
+			for(int k = 0;k<3;k++)grayscale[i][j][k] = modifiedColor; //All color in pixel == Avg Color
 		}
 		return grayscale;
 	}
@@ -34,6 +34,7 @@ public class DesaturateIt{
 		int[][][] sepia = new int [rgb.length][rgb[0].length][3];
 		for(int i=0;i<sepia.length;i++) for(int j=0;j<sepia[0].length;j++) {
 			int modifiedColor = (int)Math.ceil((rgb[i][j][0]+rgb[i][j][1]+rgb[i][j][2])/3.0);
+			//Like Grayscale, just adjust the color ratio
 			sepia[i][j][0] = (int)(modifiedColor*0.8745);
 			sepia[i][j][1] = (int)(modifiedColor*0.6352);
 			sepia[i][j][2] = (int)(modifiedColor*0.4941);