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 keepOnlyBlue() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
pixelObj.setRed(0);
pixelObj.setGreen(0);
}
}
}
// set green 255
public void maxGreen() {
Pixel[][] pixels = this.getPixels2D();
for (Pixel[] rowArray : pixels) {
for (Pixel pixelObj : rowArray) {
pixelObj.setGreen(255);
}
}
}
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);
}
}
}
/*
****************** CHECKLIST ******************************
[x] change the colors within the box specified by the parameters
[x] the new Color in each Pixel MUST depend BOTH (a) on that particular Pixel's previous Color and (b) on the value of the amount parameter
*/
public boolean ManipBoxUniformly(int xMin, int yMin, int xMax, int yMax, double amount) {
for (int x = xMin; x < xMax - 1; x++) {
for (int y = yMin; y < yMax - 1; y++) {
amount -= 0.0000001;
if (amount < 0.1) amount = 0.2;
Pixel p = this.getPixel(x, y);
int B = (int) (p.getGreen() * (amount));
p.setGreen(B);
}
}
return true;
}
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);
}
}
}