public boolean ManipBoxPattern(int xMin, int yMin, int xMax, int yMax, double amount) {
int x;
int y;
y = yMin;
while (y < yMax) {
x = xMin;
while (x < xMax) {
Pixel p = this.getPixel(x, y);
int yOffset = Math.abs(yMin - y);
int xOffset = Math.abs(xMin - x);
double ra = normal(x, xMin, xMax);
if (ra >= 1.0) {
int R = (int) (p.getRed() * amount);
int G = (int) (p.getGreen() * amount);
int B = (int) (255 * amount);
p.setRed(R);
p.setGreen(G);
p.setBlue(B);
p.getColor().brighter();
} else {
int R = (int) (p.getRed() * amount);
int G = (int) (255 * amount);
int B = (int) (p.getBlue() * amount);
p.setRed(R);
p.setGreen(G);
p.setBlue(B);
}
if (x % 2 == 0) {
int R = (int) (255 * amount);
int G = (int) (p.getGreen() * amount);
int B = (int) (p.getBlue() * amount);
p.setRed(R);
p.setGreen(G);
p.setBlue(B);
}
x = x + 1;
}
y = y + 1;
}
return true;
}
public void zeroRed() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
pixelObj.setRed(0);
}
}
}
public void keepOnlyBlue() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
pixelObj.setRed(0);
pixelObj.setGreen(0);
}
}
}
public void negate() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
pixelObj.setRed(255 - pixelObj.getRed());
pixelObj.setGreen(255 - pixelObj.getGreen());
pixelObj.setBlue(255 - pixelObj.getBlue());
}
}
}
public void grayscale() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
int ave = (pixelObj.getRed() + pixelObj.getGreen() + pixelObj.getBlue()) / 3;
pixelObj.setBlue(ave);
pixelObj.setRed(ave);
pixelObj.setGreen(ave);
}
}
}
// changes the image to a Grayscale
public void Grayscale() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
int average = (int) pixelObj.getAverage();
pixelObj.setGreen(average);
pixelObj.setBlue(average);
pixelObj.setRed(average);
}
}
}
public void negate() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
int a = pixelObj.getRed();
int b = pixelObj.getBlue();
int c = pixelObj.getGreen();
pixelObj.setRed(255 - a);
pixelObj.setBlue(255 - b);
pixelObj.setGreen(255 - c);
}
}
}
// implements max red to only the right side of the image
public void rightRed() {
Pixel[][] pixels = this.getPixels2D();
Pixel leftPixel = null;
Pixel rightPixel = null;
int width = pixels[0].length;
for (int row = 0; row < pixels.length; row++) {
for (int col = 0; col < width / 2; col++) {
leftPixel = pixels[row][col];
rightPixel = pixels[row][width - 1 - col];
rightPixel.setRed(255);
}
}
}
public void greyscale() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
int a = pixelObj.getRed();
int b = pixelObj.getBlue();
int c = pixelObj.getGreen();
int d = (a + b + c) / 3;
pixelObj.setRed(d);
pixelObj.setBlue(d);
pixelObj.setGreen(d);
}
}
}
public void randomColor() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] row : pixels) {
for (Pixel currentPixel : row) {
int randomRed, randomBlue, randomGreen;
randomRed = (int) (Math.random() * 256);
randomBlue = (int) (Math.random() * 256);
randomGreen = (int) (Math.random() * 256);
currentPixel.setBlue(randomBlue);
currentPixel.setRed(randomRed);
currentPixel.setGreen(randomGreen);
}
}
}