コード例 #1
0
ファイル: ThumbMaker.java プロジェクト: ctrueden/web-toys
  private void process() {
    int width = Integer.parseInt(xres.getText());
    int height = Integer.parseInt(yres.getText());
    boolean preserveAspect = aspect.isSelected();
    Color bg = new Color(red.getValue(), green.getValue(), blue.getValue());

    String outDir = output.getText();
    String suffix = ((String) format.getSelectedItem()).toLowerCase();
    String preText = prepend.getText();
    String appText = append.getText();

    int scaleType = -1;
    String alg = (String) algorithm.getSelectedItem();
    if (alg.equals("Smooth")) scaleType = Image.SCALE_SMOOTH;
    else if (alg.equals("Standard")) scaleType = Image.SCALE_DEFAULT;
    else if (alg.equals("Fast")) scaleType = Image.SCALE_FAST;
    else if (alg.equals("Replicate")) scaleType = Image.SCALE_REPLICATE;
    else if (alg.equals("Area averaging")) {
      scaleType = Image.SCALE_AREA_AVERAGING;
    }

    DefaultListModel model = (DefaultListModel) list.getModel();
    int size = model.size();
    progress.setValue(0);
    progress.setMaximum(4 * size);

    for (int i = 0; i < size; i++) {
      ThumbFile tf = (ThumbFile) model.elementAt(i);
      list.setSelectedValue(tf, true);
      String tail = " (" + (i + 1) + " of " + size + ")";

      progress.setValue(4 * i);
      progress.setString("Reading" + tail);

      // construct input and output filenames
      String inFile = tf.getPath();
      String outFile = outDir + SLASH + tf.getName();
      int ndx = outFile.lastIndexOf(SLASH);
      String s1 = outFile.substring(0, ndx + SLASH.length());
      String s2 = outFile.substring(ndx + SLASH.length());
      int dot_ndx = s2.lastIndexOf(".");
      if (dot_ndx >= 0) s2 = s2.substring(0, dot_ndx);

      // make the thumbnail file name
      outFile = s1 + preText + s2 + appText + "." + suffix;

      // read in the file to an image
      BufferedImage image = null;
      try {
        image = ImageIO.read(new File(inFile));
      } catch (IOException exc) {
        exc.printStackTrace();
      }

      progress.setValue(4 * i + 1);
      progress.setString("Resizing" + tail);

      // resize image
      int w, h;
      if (preserveAspect) {
        int ow = image.getWidth();
        int oh = image.getHeight();
        double oasp = (double) ow / oh;
        double tasp = (double) width / height;
        if (oasp > tasp) {
          w = width;
          h = (int) (w / oasp);
        } else {
          h = height;
          w = (int) (oasp * h);
        }
      } else {
        w = width;
        h = height;
      }
      Image resized = image.getScaledInstance(w, h, scaleType);

      progress.setValue(4 * i + 2);
      progress.setString("Painting" + tail);

      // create thumbnail
      BufferedImage thumb = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
      Graphics2D g2d = thumb.createGraphics();
      g2d.setColor(bg);
      g2d.fillRect(0, 0, width, height);
      g2d.drawImage(resized, (width - w) / 2, (height - h) / 2, this);
      g2d.dispose();

      progress.setValue(4 * i + 3);
      progress.setString("Writing" + tail);

      // save thumbnail to disk
      File out = new File(outFile);
      File parent = out.getParentFile();
      if (parent != null && !parent.exists()) parent.mkdirs();
      try {
        ImageIO.write(thumb, suffix, out);
      } catch (IOException exc) {
        exc.printStackTrace();
      }
    }

    list.setSelectedIndices(new int[0]);
    progress.setValue(4 * size);
    progress.setString("Complete");
  }
コード例 #2
0
ファイル: ThumbMaker.java プロジェクト: ctrueden/web-toys
  public ThumbMaker() {
    super("ThumbMaker");

    // grab the preferences so that they can be used to fill out the layout
    ThumbMakerPreferences myPrefs = ThumbMakerPreferences.getInstance();

    // content pane
    JPanel pane = new JPanel();
    pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS));
    setContentPane(pane);

    // top panel
    JPanel top = new JPanel();
    top.setLayout(new BoxLayout(top, BoxLayout.X_AXIS));
    pane.add(top);

    // left-hand panel
    JPanel left = new JPanel();
    left.setLayout(new BoxLayout(left, BoxLayout.Y_AXIS));
    top.add(left);

    // horizontal padding
    top.add(Box.createHorizontalStrut(5));

    // label for file list
    JLabel listLabel = GUIUtil.makeLabel("Files to process:");
    listLabel.setDisplayedMnemonic('f');
    String listTip = "List of files from which to create thumbnails";
    listLabel.setToolTipText(listTip);
    left.add(GUIUtil.pad(listLabel));

    // list of files to convert
    list = new JList();
    listLabel.setLabelFor(list);
    list.setToolTipText(listTip);
    list.setModel(new DefaultListModel());
    list.setDragEnabled(true);
    changeFilesInList = new ThumbTransferHandler();
    list.setTransferHandler(changeFilesInList);
    left.add(new JScrollPane(list));

    // progress bar
    progress = new JProgressBar(0, 1);
    progress.setString("[Drag and drop files onto list to begin]");
    progress.setStringPainted(true);
    progress.setToolTipText("Status of thumbnail processing operation");
    left.add(progress);

    // panel for process and remove buttons
    JPanel p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // add files button
    addFiles = new JButton("Add Files");
    addFiles.setMnemonic('d');
    addFiles.setToolTipText("Add files to be processed.");
    addFiles.addActionListener(this);
    p.add(addFiles);

    p.add(Box.createHorizontalStrut(5));

    // process button
    process = new JButton("Process");
    process.setMnemonic('p');
    process.setToolTipText("Begin creating thumbnails");
    process.addActionListener(this);
    p.add(process);

    p.add(Box.createHorizontalStrut(5));

    // remove button
    remove = new JButton("Remove");
    remove.setMnemonic('v');
    remove.setToolTipText("Remove selected files from the list");
    remove.addActionListener(this);
    p.add(remove);

    left.add(GUIUtil.pad(p));

    // right-hand panel
    JPanel right = new JPanel();
    right.setLayout(new BoxLayout(right, BoxLayout.Y_AXIS));
    top.add(right);

    // panel for resolution settings
    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // resolution label
    JLabel resLabel = GUIUtil.makeLabel("Resolution: ");
    resLabel.setDisplayedMnemonic('s');
    resLabel.setToolTipText("Resolution of the thumbnails");
    p.add(resLabel);

    // x resolution text box
    xres =
        GUIUtil.makeTextField(myPrefs.getStringPref(ThumbMakerPreferences.RES_WIDTH_PREF_NAME), 2);
    resLabel.setLabelFor(xres);
    xres.setToolTipText("Thumbnail width");
    p.add(xres);

    // "by" label
    JLabel byLabel = GUIUtil.makeLabel(" by ");
    byLabel.setDisplayedMnemonic('y');
    p.add(byLabel);

    // y resolution text box
    yres =
        GUIUtil.makeTextField(myPrefs.getStringPref(ThumbMakerPreferences.RES_HEIGHT_PREF_NAME), 2);
    byLabel.setLabelFor(yres);
    yres.setToolTipText("Thumbnail height");
    p.add(yres);

    right.add(GUIUtil.pad(p));
    right.add(Box.createVerticalStrut(8));

    // aspect ratio checkbox
    aspect = new JCheckBox("Maintain aspect ratio", true);
    aspect.setMnemonic('m');
    aspect.setToolTipText(
        "When checked, thumbnails are not stretched, "
            + "but rather padded with the background color.");
    aspect.addActionListener(this);
    right.add(GUIUtil.pad(aspect));
    // make sure that the check box is initialized correctly
    aspect.setSelected(
        myPrefs
            .getStringPref(ThumbMakerPreferences.DO_MAINTAIN_ASPECT_PREF_NAME)
            .equalsIgnoreCase(ThumbMakerPreferences.BOOLEAN_TRUE_STRING));

    // panel for background color
    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // load the color values from the preferences
    int redValueNumber = myPrefs.getIntegerPref(ThumbMakerPreferences.RED_VALUE_PREF_NAME);
    int greenValueNumber = myPrefs.getIntegerPref(ThumbMakerPreferences.GREEN_VALUE_PREF_NAME);
    int blueValueNumber = myPrefs.getIntegerPref(ThumbMakerPreferences.BLUE_VALUE_PREF_NAME);

    // background color label
    colorLabel = GUIUtil.makeLabel("Background color: ");
    String colorTip = "Thumbnail background color";
    colorLabel.setToolTipText(colorTip);
    p.add(colorLabel);

    // background color
    colorBox = new JPanel();
    colorBox.setToolTipText(colorTip);
    colorBox.setBorder(new LineBorder(Color.black, 1));
    Dimension colorBoxSize = new Dimension(45, 15);
    colorBox.setMaximumSize(colorBoxSize);
    colorBox.setMinimumSize(colorBoxSize);
    colorBox.setPreferredSize(colorBoxSize);
    colorBox.setBackground(new Color(redValueNumber, greenValueNumber, blueValueNumber));
    p.add(colorBox);

    right.add(GUIUtil.pad(p));
    right.add(Box.createVerticalStrut(2));

    // red slider
    redLabel = GUIUtil.makeLabel("R");
    red = new JSlider(0, 255, redValueNumber);
    redValue = GUIUtil.makeLabel("" + redValueNumber);
    redValue.setToolTipText("Red color component slider");
    right.add(makeSlider(redLabel, red, redValue, "Red"));

    // green slider
    greenLabel = GUIUtil.makeLabel("G");
    green = new JSlider(0, 255, greenValueNumber);
    greenValue = GUIUtil.makeLabel("" + greenValueNumber);
    greenValue.setToolTipText("Green color component slider");
    right.add(makeSlider(greenLabel, green, greenValue, "Green"));

    // blue slider
    blueLabel = GUIUtil.makeLabel("B");
    blue = new JSlider(0, 255, blueValueNumber);
    blueValue = GUIUtil.makeLabel("" + blueValueNumber);
    right.add(makeSlider(blueLabel, blue, blueValue, "Blue"));

    right.add(Box.createVerticalStrut(8));

    // panel for algorithm
    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // algorithm label
    JLabel algorithmLabel = GUIUtil.makeLabel("Algorithm: ");
    algorithmLabel.setDisplayedMnemonic('l');
    String algorithmTip = "Resizing algorithm to use";
    algorithmLabel.setToolTipText(algorithmTip);
    p.add(algorithmLabel);

    // algorithm combo box
    algorithm =
        GUIUtil.makeComboBox(
            new String[] {"Smooth", "Standard", "Fast", "Replicate", "Area averaging"});
    algorithmLabel.setLabelFor(algorithm);
    algorithm.setToolTipText(algorithmTip);
    p.add(algorithm);
    // set the algorithm value from the preferences
    algorithm.setSelectedIndex(myPrefs.getIntegerPref(ThumbMakerPreferences.RESIZE_ALG_PREF_NAME));

    right.add(GUIUtil.pad(p));

    // panel for output format
    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // format label
    JLabel formatLabel = GUIUtil.makeLabel("Format: ");
    formatLabel.setDisplayedMnemonic('f');
    String formatTip = "Thumbnail output format";
    formatLabel.setToolTipText(formatTip);
    p.add(formatLabel);

    // format combo box
    format = GUIUtil.makeComboBox(new String[] {"PNG", "JPG"});
    formatLabel.setLabelFor(format);
    format.setToolTipText(formatTip);
    p.add(format);
    // set the format value from the preferences
    format.setSelectedIndex(myPrefs.getIntegerPref(ThumbMakerPreferences.THUMB_FORMAT_PREF_NAME));

    right.add(GUIUtil.pad(p));
    right.add(Box.createVerticalStrut(5));

    // panel for prepend string
    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));

    // prepend label
    JLabel prependLabel = GUIUtil.makeLabel("Prepend: ");
    prependLabel.setDisplayedMnemonic('e');
    String prependTip = "Starting string for each thumbnail filename";
    prependLabel.setToolTipText(prependTip);
    p.add(prependLabel);

    // prepend field
    prepend =
        GUIUtil.makeTextField(
            myPrefs.getStringPref(ThumbMakerPreferences.STRING_TO_PREPEND_PREF_NAME), 4);
    prependLabel.setLabelFor(prepend);
    prepend.setToolTipText(prependTip);
    p.add(prepend);

    p.add(Box.createHorizontalStrut(5));

    // append label
    JLabel appendLabel = GUIUtil.makeLabel("Append: ");
    appendLabel.setDisplayedMnemonic('a');
    String appendTip = "Ending string for each thumbnail filename";
    appendLabel.setToolTipText(appendTip);
    p.add(appendLabel);

    // append field
    append =
        GUIUtil.makeTextField(
            myPrefs.getStringPref(ThumbMakerPreferences.STRING_TO_APPEND_PREF_NAME), 4);
    appendLabel.setLabelFor(append);
    append.setToolTipText(appendTip);
    p.add(append);

    right.add(GUIUtil.pad(p));

    // vertical padding
    right.add(Box.createVerticalGlue());

    // bottom panel
    JPanel bottom = new JPanel();
    bottom.setLayout(new BoxLayout(bottom, BoxLayout.X_AXIS));
    pane.add(bottom);

    // output folder label
    JLabel outputLabel = GUIUtil.makeLabel("Output folder: ");
    outputLabel.setDisplayedMnemonic('o');
    String outputTip = "Thumbnail output folder";
    outputLabel.setToolTipText(outputTip);
    bottom.add(outputLabel);

    // output folder field
    String filePath =
        new File(myPrefs.getStringPref(ThumbMakerPreferences.FILE_PATH_STRING_PREF_NAME))
            .getAbsolutePath();
    output = GUIUtil.makeTextField(filePath, 8);
    outputLabel.setLabelFor(output);
    output.setToolTipText(outputTip);
    // start this in default and then lock down so "..." is used
    output.setEditable(false);
    output.setBackground(Color.LIGHT_GRAY);
    bottom.add(output);

    // add a file chooser button "..."
    dotDotDot = new JButton("...");
    dotDotDot.setMnemonic('.');
    dotDotDot.setToolTipText("Select destination directory.");
    dotDotDot.addActionListener(this);
    bottom.add(dotDotDot);

    right.add(GUIUtil.pad(p));

    setFromPreferences();
    addWindowListener(this);
  }