/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package bitmapencoder;

import static bitmapencoder.BitmapEncoder.deepCopy;
import static bitmapencoder.BitmapEncoder.isImage;
import static bitmapencoder.BitmapEncoder.processSelectedFiles;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.*;

/**
 *
 * @author Rodot
 */
public class BitmapFrame extends javax.swing.JFrame {

    BitmapEncoder encoder = new BitmapEncoder();
    final JFileChooser fileChooser = new JFileChooser();
    final JFileChooser multiFileChooser = new JFileChooser();
    private File[] filesSelected = null;
    private String lastSingleDirectory = System.getProperty("user.home");
    private String lastMultiDirectory = System.getProperty("user.home");
    private byte multiFormattingSetting = 1;
    private byte singleFormattingSetting = 0;
    private boolean multiWrapSetting = false;
    private boolean singleWrapSetting = true;
    private boolean allowDirectorySelection = false;

    /**
     * Creates new form BitmapFrame
     */
    private BitmapFrame() {
        initComponents();
        try {
            loadSettingsFromDisk();
        } catch (IOException ex) {
            Logger.getLogger(BitmapFrame.class.getName()).
                    log(Level.SEVERE, null, ex);
        }
        formattingBox.setSelectedIndex((int) singleFormattingSetting);
        encoder.setHexFormatting(formattingBox.getSelectedIndex() == 1);
        wrapCheckbox.setSelected(singleWrapSetting);
        encoder.setWrapping(wrapCheckbox.isSelected());
        allowDirectorySelectionCheckBox.setSelected(allowDirectorySelection);
        File singleDirectory = new File(lastSingleDirectory);
        if (!singleDirectory.exists()) {
            lastSingleDirectory = System.getProperty("user.home");
        }
        fileChooser.setCurrentDirectory(new File(lastSingleDirectory));
        File multiDirectory = new File(lastMultiDirectory);
        if (!multiDirectory.exists()) {
            lastMultiDirectory = System.getProperty("user.home");
        }
        multiFileChooser.setCurrentDirectory(new File(lastMultiDirectory));
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        openButton = new javax.swing.JButton();
        message = new javax.swing.JLabel();
        originalPanel = new javax.swing.JPanel();
        original = new javax.swing.JLabel();
        previewPanel = new javax.swing.JPanel();
        preview = new javax.swing.JLabel();
        thresholdSlider = new javax.swing.JSlider();
        FileSelectionPanel = new javax.swing.JPanel();
        singleFileModeRadioButton = new javax.swing.JRadioButton();
        multiFileModeRadioButton = new javax.swing.JRadioButton();
        allowDirectorySelectionCheckBox = new javax.swing.JCheckBox();
        jPanel2 = new javax.swing.JPanel();
        outputScrollPane = new javax.swing.JScrollPane();
        outputTextArea = new javax.swing.JTextArea();
        jPanel3 = new javax.swing.JPanel();
        scaleSlider = new javax.swing.JSlider();
        scaleLabel = new javax.swing.JLabel();
        nameTextField = new javax.swing.JTextField();
        nameLabel = new javax.swing.JLabel();
        formattingBox = new javax.swing.JComboBox();
        formattingLabel = new javax.swing.JLabel();
        wrapCheckbox = new javax.swing.JCheckBox();
        wrapLabel = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("Bitmap Encoder - Gamebuino");
        setMinimumSize(new java.awt.Dimension(600, 502));
        setName("bitmapFrame"); // NOI18N
        setPreferredSize(new java.awt.Dimension(800, 600));
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                formWindowClosing(evt);
            }
        });

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Input"));

        openButton.setText("Open");
        openButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openButtonActionPerformed(evt);
            }
        });

        message.setText("Please select a file to encode");

        originalPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        originalPanel.setMaximumSize(new java.awt.Dimension(400, 400));
        originalPanel.setMinimumSize(new java.awt.Dimension(120, 120));
        originalPanel.setPreferredSize(new java.awt.Dimension(120, 120));

        original.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        original.setText("original");

        javax.swing.GroupLayout originalPanelLayout = new javax.swing.GroupLayout(originalPanel);
        originalPanel.setLayout(originalPanelLayout);
        originalPanelLayout.setHorizontalGroup(
            originalPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(original, javax.swing.GroupLayout.DEFAULT_SIZE, 116, Short.MAX_VALUE)
        );
        originalPanelLayout.setVerticalGroup(
            originalPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(original, javax.swing.GroupLayout.DEFAULT_SIZE, 116, Short.MAX_VALUE)
        );

        previewPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        previewPanel.setMaximumSize(new java.awt.Dimension(400, 400));
        previewPanel.setMinimumSize(new java.awt.Dimension(120, 120));
        previewPanel.setPreferredSize(new java.awt.Dimension(120, 120));

        preview.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        preview.setText("preview");

        javax.swing.GroupLayout previewPanelLayout = new javax.swing.GroupLayout(previewPanel);
        previewPanel.setLayout(previewPanelLayout);
        previewPanelLayout.setHorizontalGroup(
            previewPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(preview, javax.swing.GroupLayout.DEFAULT_SIZE, 116, Short.MAX_VALUE)
        );
        previewPanelLayout.setVerticalGroup(
            previewPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(preview, javax.swing.GroupLayout.DEFAULT_SIZE, 116, Short.MAX_VALUE)
        );

        thresholdSlider.setMaximum(765);
        thresholdSlider.setOrientation(javax.swing.JSlider.VERTICAL);
        thresholdSlider.setToolTipText("Use to adjust the thresold between black and white.");
        thresholdSlider.setValue(384);
        thresholdSlider.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
        thresholdSlider.setMaximumSize(new java.awt.Dimension(20, 32767));
        thresholdSlider.setMinimumSize(new java.awt.Dimension(20, 36));
        thresholdSlider.setPreferredSize(new java.awt.Dimension(20, 150));
        thresholdSlider.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseReleased(java.awt.event.MouseEvent evt) {
                thresholdSliderMouseReleased(evt);
            }
        });

        FileSelectionPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("File Selection Mode"));
        FileSelectionPanel.setName(""); // NOI18N

        buttonGroup1.add(singleFileModeRadioButton);
        singleFileModeRadioButton.setSelected(true);
        singleFileModeRadioButton.setText("Single File Mode");
        singleFileModeRadioButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                singleFileModeRadioButtonActionPerformed(evt);
            }
        });

        buttonGroup1.add(multiFileModeRadioButton);
        multiFileModeRadioButton.setText("Multi File Mode (disables preview)");
        multiFileModeRadioButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                multiFileModeRadioButtonActionPerformed(evt);
            }
        });

        allowDirectorySelectionCheckBox.setText("Allow directory selection");
        allowDirectorySelectionCheckBox.setEnabled(false);
        allowDirectorySelectionCheckBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                allowDirectorySelectionCheckBoxActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout FileSelectionPanelLayout = new javax.swing.GroupLayout(FileSelectionPanel);
        FileSelectionPanel.setLayout(FileSelectionPanelLayout);
        FileSelectionPanelLayout.setHorizontalGroup(
            FileSelectionPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(FileSelectionPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(FileSelectionPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(FileSelectionPanelLayout.createSequentialGroup()
                        .addGap(21, 21, 21)
                        .addComponent(allowDirectorySelectionCheckBox))
                    .addComponent(singleFileModeRadioButton)
                    .addComponent(multiFileModeRadioButton))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        FileSelectionPanelLayout.setVerticalGroup(
            FileSelectionPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(FileSelectionPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(singleFileModeRadioButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(multiFileModeRadioButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(allowDirectorySelectionCheckBox)
                .addContainerGap(8, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(originalPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(previewPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addComponent(FileSelectionPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(openButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(message)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(thresholdSlider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(45, 45, 45)
                        .addComponent(thresholdSlider, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(FileSelectionPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(openButton)
                            .addComponent(message, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(originalPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(previewPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Output"));

        outputScrollPane.setFont(new java.awt.Font("Monospaced", 0, 11)); // NOI18N
        outputScrollPane.setPreferredSize(new java.awt.Dimension(200, 200));

        outputTextArea.setColumns(20);
        outputTextArea.setFont(new java.awt.Font("Consolas", 0, 10)); // NOI18N
        outputTextArea.setRows(5);
        outputTextArea.setAutoscrolls(false);
        outputScrollPane.setViewportView(outputTextArea);

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(outputScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 444, Short.MAX_VALUE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(outputScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("Settings"));

        scaleSlider.setMaximum(4);
        scaleSlider.setMinimum(1);
        scaleSlider.setMinorTickSpacing(1);
        scaleSlider.setPaintLabels(true);
        scaleSlider.setPaintTicks(true);
        scaleSlider.setSnapToTicks(true);
        scaleSlider.setValue(2);
        scaleSlider.setMaximumSize(new java.awt.Dimension(150, 31));
        scaleSlider.setMinimumSize(new java.awt.Dimension(150, 31));
        scaleSlider.setPreferredSize(new java.awt.Dimension(150, 31));
        scaleSlider.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                scaleSliderStateChanged(evt);
            }
        });

        scaleLabel.setText("Preview scale");

        nameTextField.setFont(new java.awt.Font("Consolas", 0, 11)); // NOI18N
        nameTextField.setText("bitmapName");

        nameLabel.setText("Bitmap name");

        formattingBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Binary (ex: B00110010)", "Hexadecimal (ex: 0x32)" }));
        formattingBox.setName(""); // NOI18N
        formattingBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                formattingBoxActionPerformed(evt);
            }
        });

        formattingLabel.setText("Output number formatting");

        wrapCheckbox.setSelected(true);
        wrapCheckbox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                wrapCheckboxActionPerformed(evt);
            }
        });

        wrapLabel.setText("Wrap output lines");

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(wrapCheckbox)
                    .addComponent(formattingBox, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(nameTextField, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(scaleSlider, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addComponent(scaleLabel)
                        .addGap(0, 0, Short.MAX_VALUE))
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(nameLabel)
                            .addComponent(formattingLabel)
                            .addComponent(wrapLabel))
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addComponent(scaleLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup()
                        .addComponent(scaleSlider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(8, 8, 8)))
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(nameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(nameLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(formattingLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 21, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(formattingBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(wrapCheckbox, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(wrapLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(0, 98, Short.MAX_VALUE)))
                .addContainerGap())
        );

        getAccessibleContext().setAccessibleDescription("");

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void scaleSliderStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_scaleSliderStateChanged
        if (singleFileModeRadioButton.isSelected()) {
            redrawPreview();
        }
    }//GEN-LAST:event_scaleSliderStateChanged

    private void formattingBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_formattingBoxActionPerformed
        encoder.setHexFormatting(formattingBox.getSelectedIndex() == 1);
        if (singleFileModeRadioButton.isSelected()) {
            singleFormattingSetting = (byte) formattingBox.getSelectedIndex();
            updateOutput();
        } else {
            multiFormattingSetting = (byte) formattingBox.getSelectedIndex();
            processMultiFiles();
        }
    }//GEN-LAST:event_formattingBoxActionPerformed

    private void wrapCheckboxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_wrapCheckboxActionPerformed
        encoder.setWrapping(wrapCheckbox.isSelected());
        if (singleFileModeRadioButton.isSelected()) {
            singleWrapSetting = wrapCheckbox.isSelected();
            updateOutput();
        } else {
            multiWrapSetting = wrapCheckbox.isSelected();;
            processMultiFiles();
        }
    }//GEN-LAST:event_wrapCheckboxActionPerformed

    private void thresholdSliderMouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_thresholdSliderMouseReleased
        if (encoder.getInputImage() == null && singleFileModeRadioButton.isSelected()) {
            message.setText("Open a image before you play with that slider!");
        } else if (singleFileModeRadioButton.isSelected()) {
            message.setText("Loading...");
            redrawPreview();
            message.setText("Output updated");
        } else if (multiFileModeRadioButton.isSelected()) {
            processMultiFiles();
        }
    }//GEN-LAST:event_thresholdSliderMouseReleased

    private void openButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openButtonActionPerformed
        if (singleFileModeRadioButton.isSelected()) {
            int returnVal = fileChooser.showOpenDialog(BitmapFrame.this);
            if (returnVal == JFileChooser.APPROVE_OPTION) {
                lastSingleDirectory = fileChooser.getCurrentDirectory().
                        getAbsolutePath();
                File file = fileChooser.getSelectedFile();
                encoder.open(file);
                if (encoder.getInputImage() == null) {
                    message.setText("Can't open the selected image");
                } else {
                    message.setText("Image succesfully loaded");
                    String fileName = file.getName();
                    fileName = fileName.substring(0, fileName.lastIndexOf('.'));
                    nameTextField.setText(fileName);
                    redrawPreview();
                }
            }
        } else {

            if (allowDirectorySelectionCheckBox.isSelected()) {
                multiFileChooser.setFileSelectionMode(
                        JFileChooser.FILES_AND_DIRECTORIES);
            } else {
                multiFileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
            }
            multiFileChooser.setMultiSelectionEnabled(true);
            int returnVal = multiFileChooser.showOpenDialog(this);
            if (returnVal == JFileChooser.APPROVE_OPTION) {
                lastMultiDirectory = multiFileChooser.getCurrentDirectory().
                        getAbsolutePath();
                filesSelected = multiFileChooser.getSelectedFiles();
                processMultiFiles();
            }
        }
        try {
            saveSettingsToDisk(new File("settings.dat"));
        } catch (IOException ex) {
            Logger.getLogger(BitmapFrame.class.getName()).
                    log(Level.SEVERE, null, ex);
        }
    }//GEN-LAST:event_openButtonActionPerformed

    private void processMultiFiles() {
        outputTextArea.setText("");
        String eol = System.lineSeparator();
        File[] filesToConvert = processSelectedFiles(filesSelected, false);
        if (filesToConvert == null) {
            return;
        }
        for (File f : filesToConvert) {
            if (f != null) {
                if (isImage(f)) {
                    try {
                        System.out.println("Reading image " + f.getName()
                                + "...");
                        BufferedImage img = ImageIO.read(f);
                        if (img != null) {
                            if ((img.getWidth() > 200) || (img.getHeight()
                                    > 200)) {
                                System.out.println("File " + f.getName()
                                        + " is too large.");
                                continue;
                            }
                            System.out.println("Deep copy of " + f.getName()
                                    + ".");
                            BufferedImage newImg = deepCopy(img);
                            int threshold = thresholdSlider.getValue();
                            System.out.println(
                                    "Setting threshold for new image.");
                            for (int y = 0; y < img.getHeight(); y++) {
                                for (int x = 0; x < img.getWidth(); x++) {
                                    int rgb = img.getRGB(x, y);
                                    int red = (rgb >> 16) & 0x000000FF;
                                    int green = (rgb >> 8) & 0x000000FF;
                                    int blue = (rgb) & 0x000000FF;
                                    int value = red + green + blue;
                                    if (value > threshold) {
                                        newImg.setRGB(x, y, 0x00FFFFFF);
                                    } else {
                                        newImg.setRGB(x, y, 0);
                                    }
                                }
                            }
                            String bitmapName = f.getName().substring(0, f.
                                    getName().lastIndexOf("."));
                            System.out.println("Generating output for " + f.
                                    getName() + ".");
                            String output = outputTextArea.getText();
                            output = output.concat("const byte ");
                            output = output.concat(bitmapName);
                            output = output.concat("[] PROGMEM = {");
                            if (encoder.isWrapping()) {
                                output = output.concat(eol);
                            }
                            int width = ((img.getWidth() - 1) / 8 + 1) * 8; //round to the closest larger multiple of 8
                            output = output.concat(width + "," + img.
                                    getHeight() + ",");
                            if (encoder.isWrapping()) {
                                output = output.concat(eol);
                            }
                            for (int y = 0; y < img.getHeight(); y++) {
                                for (int x = 0; x < img.getWidth(); x += 8) {
                                    if (encoder.isHexFormatting()) {
                                        output = output.concat("0x");
                                    } else {
                                        output = output.concat("B");
                                    }
                                    int thisByte = 0;
                                    for (int b = 0; b < 8; b++) {
                                        int value = 0xFFFF;
                                        if (x + b < img.getWidth()) {
                                            int rgb = img.getRGB(x + b, y);
                                            int red = (rgb >> 16)
                                                    & 0x000000FF;
                                            int green = (rgb >> 8)
                                                    & 0x000000FF;
                                            int blue = (rgb) & 0x000000FF;
                                            value = red + green + blue;
                                        }
                                        if (encoder.isHexFormatting()) {
                                            thisByte *= 2;
                                            if (value < threshold) {
                                                thisByte++;
                                            }
                                        } else {//binary formatting
                                            if (value < threshold) {
                                                output = output.concat("1");
                                            } else {
                                                output = output.concat("0");
                                            }

                                        }
                                    }
                                    if (encoder.isHexFormatting()) {
                                        output = output.concat(Integer.
                                                toString(thisByte, 16).
                                                toUpperCase());
                                    }
                                    output = output.concat(",");
                                }
                                if (encoder.isWrapping()) {
                                    output = output.concat(eol);
                                }
                            }
                            output = output.concat("};" + eol);
                            if (encoder.isWrapping()) {
                                output = output.concat(eol);
                            }
                            outputTextArea.setText(output);
                        }
                    } catch (IOException ex) {
                        Logger.getLogger(BitmapFrame.class.
                                getName()).
                                log(Level.SEVERE, null, ex);
                    }
                } else {
                    System.out.println("File " + f.getName()
                            + " is not an image.");
                }
            }
        }
    }
    private void singleFileModeRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_singleFileModeRadioButtonActionPerformed
        scaleSlider.setEnabled(true);
        nameTextField.setEnabled(true);
        allowDirectorySelectionCheckBox.setEnabled(false);
        formattingBox.setSelectedIndex((int) singleFormattingSetting);
        encoder.setHexFormatting(formattingBox.getSelectedIndex() == 1);
        wrapCheckbox.setSelected(singleWrapSetting);
        encoder.setWrapping(wrapCheckbox.isSelected());
        updateOutput();
    }//GEN-LAST:event_singleFileModeRadioButtonActionPerformed

    private void multiFileModeRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_multiFileModeRadioButtonActionPerformed
        scaleSlider.setEnabled(false);
        nameTextField.setEnabled(false);
        allowDirectorySelectionCheckBox.setEnabled(true);
        formattingBox.setSelectedIndex((int) multiFormattingSetting);
        encoder.setHexFormatting(formattingBox.getSelectedIndex() == 1);
        wrapCheckbox.setSelected(multiWrapSetting);
        encoder.setWrapping(wrapCheckbox.isSelected());
        processMultiFiles();
    }//GEN-LAST:event_multiFileModeRadioButtonActionPerformed

    private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing
        try {
            saveSettingsToDisk(new File("settings.dat"));
        } catch (IOException ex) {
            Logger.getLogger(BitmapFrame.class.getName()).
                    log(Level.SEVERE, null, ex);
        }
    }//GEN-LAST:event_formWindowClosing

    private void allowDirectorySelectionCheckBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_allowDirectorySelectionCheckBoxActionPerformed
        allowDirectorySelection = allowDirectorySelectionCheckBox.isSelected();
    }//GEN-LAST:event_allowDirectorySelectionCheckBoxActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            /*for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
             if ("Nimbus".equals(info.getName())) {
             javax.swing.UIManager.setLookAndFeel(info.getClassName());
             break;
             }
             }*/
            javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.
                    getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException | InstantiationException |
                IllegalAccessException |
                javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(BitmapFrame.class.getName()).log(
                    java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(() -> {
            new BitmapFrame().setVisible(true);
        });
    }

    private void redrawPreview() {
        int scale = scaleSlider.getValue();
        //input image
        Image in = BitmapEncoder.deepCopy(encoder.getInputImage());
        in = in.getScaledInstance(in.getWidth(null) * scale, in.getHeight(null)
                * scale, java.awt.Image.SCALE_REPLICATE);
        ImageIcon originalIcon = new ImageIcon(in);
        original.setText("");
        original.setIcon(originalIcon);
        //output image
        encoder.threshold(thresholdSlider.getValue());
        Image out = BitmapEncoder.deepCopy(encoder.getOutputImage());
        out = out.getScaledInstance(out.getWidth(null) * scale, out.getHeight(
                null) * scale, java.awt.Image.SCALE_REPLICATE);
        ImageIcon previewIcon = new ImageIcon(out);
        preview.setText("");
        preview.setIcon(previewIcon);
        updateOutput();
    }

    private void updateOutput() {
        encoder.setBitmapName(nameTextField.getText());
        outputTextArea.setText(encoder.
                generateOutput(thresholdSlider.getValue()));
        outputTextArea.setCaretPosition(0);
    }

    private void loadSettingsFromDisk() throws IOException {
        File saveFile = new File("settings.dat");
        if (saveFile.createNewFile()) {
            saveSettingsToDisk(saveFile);
        } else {
            BufferedReader br = new BufferedReader(new FileReader(saveFile));
            for (String line; (line = br.readLine()) != null;) {
                String settingName = line.trim().substring(0, line.indexOf(":"));
                String setting = line.substring((line.indexOf(":") + 1)).trim();
                switch (settingName) {
                    case "LAST_SINGLE_DIRECTORY":
                        lastSingleDirectory = setting;
                        break;
                    case "LAST_MULTI_DIRECTORY":
                        lastMultiDirectory = setting;
                        break;
                    case "SINGLE_FORMATTING":
                        singleFormattingSetting = Byte.valueOf(setting);
                        break;
                    case "MULTI_FORMATTING":
                        multiFormattingSetting = Byte.valueOf(setting);
                        break;
                    case "SINGLE_WRAPPING":
                        singleWrapSetting = Boolean.valueOf(setting);
                        break;
                    case "MULTI_WRAPPING":
                        multiWrapSetting = Boolean.valueOf(setting);
                        break;
                    case "ALLOW_DIRECTORY_SELECTION":
                        allowDirectorySelection = Boolean.valueOf(setting);
                        break;
                    default:
                        break;
                }
            }
            // line is not visible here.
        }
    }

    private void saveSettingsToDisk(File saveFile) throws IOException {
        try (BufferedWriter out = new BufferedWriter(new FileWriter(saveFile))) {
            out.write("LAST_SINGLE_DIRECTORY: " + lastSingleDirectory);
            out.newLine();
            out.write("LAST_MULTI_DIRECTORY: " + lastMultiDirectory);
            out.newLine();
            out.write("SINGLE_FORMATTING: " + singleFormattingSetting);
            out.newLine();
            out.write("MULTI_FORMATTING: " + multiFormattingSetting);
            out.newLine();
            out.write("SINGLE_WRAPPING: " + singleWrapSetting);
            out.newLine();
            out.write("MULTI_WRAPPING: " + multiWrapSetting);
            out.newLine();
            out.write("ALLOW_DIRECTORY_SELECTION: " + allowDirectorySelection);
            out.newLine();
            out.close();
        }
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel FileSelectionPanel;
    private javax.swing.JCheckBox allowDirectorySelectionCheckBox;
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JComboBox formattingBox;
    private javax.swing.JLabel formattingLabel;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JLabel message;
    private javax.swing.JRadioButton multiFileModeRadioButton;
    private javax.swing.JLabel nameLabel;
    private javax.swing.JTextField nameTextField;
    private javax.swing.JButton openButton;
    private javax.swing.JLabel original;
    private javax.swing.JPanel originalPanel;
    private javax.swing.JScrollPane outputScrollPane;
    private javax.swing.JTextArea outputTextArea;
    private javax.swing.JLabel preview;
    private javax.swing.JPanel previewPanel;
    private javax.swing.JLabel scaleLabel;
    private javax.swing.JSlider scaleSlider;
    private javax.swing.JRadioButton singleFileModeRadioButton;
    private javax.swing.JSlider thresholdSlider;
    private javax.swing.JCheckBox wrapCheckbox;
    private javax.swing.JLabel wrapLabel;
    // End of variables declaration//GEN-END:variables
}