From 3ef211f08290ea62b5cad1c5b7a1f3bdf581d45a Mon Sep 17 00:00:00 2001
From: JFronny <33260128+jfronny@users.noreply.github.com>
Date: Wed, 30 Jun 2021 10:42:25 +0200
Subject: [PATCH] fune functs

---
 .../java/io/gitlab/jfronny/ImgJava/Main.java  |  3 +
 .../ImgJava/imageProcessing/UtilColor.java    | 90 +++++++++++++++++++
 .../gitlab/jfronny/ImgJava/util/MColor.java   | 20 +++--
 3 files changed, 108 insertions(+), 5 deletions(-)

diff --git a/src/main/java/io/gitlab/jfronny/ImgJava/Main.java b/src/main/java/io/gitlab/jfronny/ImgJava/Main.java
index 917f821..df297d1 100644
--- a/src/main/java/io/gitlab/jfronny/ImgJava/Main.java
+++ b/src/main/java/io/gitlab/jfronny/ImgJava/Main.java
@@ -29,9 +29,12 @@ public class Main {
             //pict = stackViewer.push(ImageUtil.blurBox(pict, 10));
             pict = stackViewer.push(UtilMatrix.blurGauss(pict, 3, 2));
             pict = stackViewer.push(UtilMatrix.sharpen(pict, 3));
+            pict = stackViewer.push(UtilColor.invert(pict));
+            pict = stackViewer.push(UtilColor.switcheroo(pict));
             pict = stackViewer.push(UtilColor.tint(pict, new Color(255, 0, 0, 128)));
             pict = stackViewer.push(UtilColor.tint(pict, new Color(0, 255, 0, 0)));
             pict = stackViewer.push(UtilColor.tint(pict, new Color(0, 0, 255, 255)));
+            pict = stackViewer.push(UtilColor.grayscale(pict));
             pict.save(run.resolve("moscov.png"));
             stackViewer.repaint();
         } catch (IOException e) {
diff --git a/src/main/java/io/gitlab/jfronny/ImgJava/imageProcessing/UtilColor.java b/src/main/java/io/gitlab/jfronny/ImgJava/imageProcessing/UtilColor.java
index 521e88f..e53e4f9 100644
--- a/src/main/java/io/gitlab/jfronny/ImgJava/imageProcessing/UtilColor.java
+++ b/src/main/java/io/gitlab/jfronny/ImgJava/imageProcessing/UtilColor.java
@@ -3,6 +3,7 @@ package io.gitlab.jfronny.ImgJava.imageProcessing;
 import io.gitlab.jfronny.ImgJava.util.MColor;
 import io.gitlab.jfronny.ImgJava.util.Picture;
 
+import javax.swing.plaf.metal.MetalIconFactory;
 import java.awt.*;
 
 public class UtilColor {
@@ -22,4 +23,93 @@ public class UtilColor {
         picture.setPixelArray(pixelNeu);
         return picture;
     }
+
+    public static Picture tint(Picture picture, double factor) {
+        int w = picture.getWidth();
+        int h = picture.getHeight();
+
+        Color[][] pixel = picture.getPixelArray();
+        Color[][] pixelNeu = new Color[w][h];
+
+        for (int x = 0; x < w; x++) {
+            for (int y = 0; y < h; y++) {
+                pixelNeu[x][y] = new MColor(pixel[x][y]).mult(factor).get();
+            }
+        }
+
+        picture.setPixelArray(pixelNeu);
+        return picture;
+    }
+    
+    public static Picture tint(Picture picture, double fR, double fG, double fB) {
+        int w = picture.getWidth();
+        int h = picture.getHeight();
+
+        Color[][] pixel = picture.getPixelArray();
+        Color[][] pixelNeu = new Color[w][h];
+
+        for (int x = 0; x < w; x++) {
+            for (int y = 0; y < h; y++) {
+                pixelNeu[x][y] = new MColor(pixel[x][y]).tint(fR, fG, fB).get();
+            }
+        }
+
+        picture.setPixelArray(pixelNeu);
+        return picture;
+    }
+
+    public static Picture switcheroo(Picture picture) {
+        int w = picture.getWidth();
+        int h = picture.getHeight();
+
+        Color[][] pixel = picture.getPixelArray();
+        Color[][] pixelNeu = new Color[w][h];
+
+        for (int x = 0; x < w; x++) {
+            for (int y = 0; y < h; y++) {
+                Color c = pixel[x][y];
+                pixelNeu[x][y] = new Color(c.getGreen(), c.getBlue(), c.getRed(), c.getAlpha());
+            }
+        }
+
+        picture.setPixelArray(pixelNeu);
+        return picture;
+    }
+    
+    public static Picture invert(Picture picture) {
+        int w = picture.getWidth();
+        int h = picture.getHeight();
+
+        Color[][] pixel = picture.getPixelArray();
+        Color[][] pixelNeu = new Color[w][h];
+
+        for (int x = 0; x < w; x++) {
+            for (int y = 0; y < h; y++) {
+                pixelNeu[x][y] = new MColor(pixel[x][y]).invert().get();
+            }
+        }
+
+        picture.setPixelArray(pixelNeu);
+        return picture;
+    }
+
+    public static Picture grayscale(Picture picture) {
+        int w = picture.getWidth();
+        int h = picture.getHeight();
+
+        Color[][] pixel = picture.getPixelArray();
+        Color[][] pixelNeu = new Color[w][h];
+
+        for (int x = 0; x < w; x++) {
+            for (int y = 0; y < h; y++) {
+                Color c = pixel[x][y];
+                int n = c.getRed() + c.getGreen() + c.getBlue();
+                n /= 3;
+                pixelNeu[x][y] = new Color(n, n, n, c.getAlpha());
+            }
+        }
+
+        picture.setPixelArray(pixelNeu);
+        return picture;
+    }
 }
diff --git a/src/main/java/io/gitlab/jfronny/ImgJava/util/MColor.java b/src/main/java/io/gitlab/jfronny/ImgJava/util/MColor.java
index cb134b7..e89b8d9 100644
--- a/src/main/java/io/gitlab/jfronny/ImgJava/util/MColor.java
+++ b/src/main/java/io/gitlab/jfronny/ImgJava/util/MColor.java
@@ -48,11 +48,7 @@ public class MColor {
     }
 
     public MColor mult(double factor) {
-        r *= factor;
-        g *= factor;
-        b *= factor;
-        a *= factor;
-        return this;
+        return tint(factor, factor, factor);
     }
 
     public MColor div(double factor) {
@@ -72,4 +68,18 @@ public class MColor {
         b += t.getBlue() * f;
         return this;
     }
+    
+    public MColor tint(double fR, double fG, double fB) {
+        r *= fR;
+        g *= fG;
+        b *= fB;
+        return this;
+    }
+    
+    public MColor invert() {
+        r = 255 - r;
+        g = 255 - g;
+        b = 255 - b;
+        return this;
+    }
 }