/**
* 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));
}
/**
* 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;
}