/**
* Method to display pixel information for the passed x and y
*
* @param pictureX the x value in the picture
* @param pictureY the y value in the picture
*/
private void displayPixelInformation(int pictureX, int pictureY) {
// check that this x and y are in range
if (isLocationInPicture(pictureX, pictureY)) {
// save the current x and y index
colIndex = pictureX;
rowIndex = pictureY;
// get the pixel at the x and y
Pixel pixel = new Pixel(picture, colIndex, rowIndex);
// set the values based on the pixel
colValue.setText(Integer.toString(colIndex + numberBase));
rowValue.setText(Integer.toString(rowIndex + numberBase));
rValue.setText("R: " + pixel.getRed());
gValue.setText("G: " + pixel.getGreen());
bValue.setText("B: " + pixel.getBlue());
colorPanel.setBackground(new Color(pixel.getRed(), pixel.getGreen(), pixel.getBlue()));
} else {
clearInformation();
}
// notify the image display of the current x and y
imageDisplay.setCurrentX((int) (colIndex * zoomFactor));
imageDisplay.setCurrentY((int) (rowIndex * zoomFactor));
}
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 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);
}
}
}
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);
}
}
}
/**
* Create the color information panel
*
* @param labelFont the font to use for labels
* @return the color information panel
*/
private JPanel createColorInfoPanel(Font labelFont) {
// create a color info panel
JPanel colorInfoPanel = new JPanel();
colorInfoPanel.setLayout(new FlowLayout());
// get the pixel at the x and y
Pixel pixel = new Pixel(picture, colIndex, rowIndex);
// create the labels
rValue = new JLabel("R: " + pixel.getRed());
gValue = new JLabel("G: " + pixel.getGreen());
bValue = new JLabel("B: " + pixel.getBlue());
// create the sample color panel and label
colorLabel = new JLabel("Color at location: ");
colorPanel = new JPanel();
colorPanel.setBorder(new LineBorder(Color.black, 1));
// set the color sample to the pixel color
colorPanel.setBackground(pixel.getColor());
// set the font
rValue.setFont(labelFont);
gValue.setFont(labelFont);
bValue.setFont(labelFont);
colorLabel.setFont(labelFont);
colorPanel.setPreferredSize(new Dimension(25, 25));
// add items to the color information panel
colorInfoPanel.add(rValue);
colorInfoPanel.add(gValue);
colorInfoPanel.add(bValue);
colorInfoPanel.add(colorLabel);
colorInfoPanel.add(colorPanel);
return colorInfoPanel;
}