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TMI-CORE: Added zoom in/out/actual to image display, moved background to submenu.

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This commit is contained in:
Harald Kuhr 2013-02-19 13:02:45 +01:00
parent bb7e1a4258
commit c9809d0fa1
1 changed files with 71 additions and 14 deletions
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85
imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/ImageReaderBase.java
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@ -418,6 +418,10 @@ public abstract class ImageReaderBase extends ImageReader {
}
private static class ImageLabel extends JLabel {
static final String ZOOM_IN = "zoom-in";
static final String ZOOM_OUT = "zoom-out";
static final String ZOOM_ACTUAL = "zoom-actual";
Paint backgroundPaint;
final Paint checkeredBG;
@ -435,9 +439,8 @@ public abstract class ImageReaderBase extends ImageReader {
backgroundPaint = defaultBG != null ? defaultBG : checkeredBG;
JPopupMenu popup = createBackgroundPopup();
setComponentPopupMenu(popup);
setupActions(pImage);
setComponentPopupMenu(createPopupMenu());
addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
@ -448,24 +451,50 @@ public abstract class ImageReaderBase extends ImageReader {
});
}
private JPopupMenu createBackgroundPopup() {
private void setupActions(final BufferedImage pImage) {
// Mac weirdness... VK_MINUS/VK_PLUS seems to map to english key map always...
bindAction(new ZoomAction("Zoom in", pImage, 2), ZOOM_IN, KeyStroke.getKeyStroke('+'), KeyStroke.getKeyStroke(KeyEvent.VK_ADD, 0));
bindAction(new ZoomAction("Zoom out", pImage, .5), ZOOM_OUT, KeyStroke.getKeyStroke('-'), KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, 0));
bindAction(new ZoomAction("Zoom actual", pImage), ZOOM_ACTUAL, KeyStroke.getKeyStroke('0'), KeyStroke.getKeyStroke(KeyEvent.VK_0, 0));
}
private void bindAction(final AbstractAction action, final String key, final KeyStroke... keyStrokes) {
for (KeyStroke keyStroke : keyStrokes) {
getInputMap(WHEN_IN_FOCUSED_WINDOW).put(keyStroke, key);
}
getActionMap().put(key, action);
}
private JPopupMenu createPopupMenu() {
JPopupMenu popup = new JPopupMenu();
popup.add(getActionMap().get(ZOOM_ACTUAL));
popup.add(getActionMap().get(ZOOM_IN));
popup.add(getActionMap().get(ZOOM_OUT));
popup.addSeparator();
ButtonGroup group = new ButtonGroup();
addCheckBoxItem(new ChangeBackgroundAction("Checkered", checkeredBG), popup, group);
popup.addSeparator();
addCheckBoxItem(new ChangeBackgroundAction("White", Color.WHITE), popup, group);
addCheckBoxItem(new ChangeBackgroundAction("Light", Color.LIGHT_GRAY), popup, group);
addCheckBoxItem(new ChangeBackgroundAction("Gray", Color.GRAY), popup, group);
addCheckBoxItem(new ChangeBackgroundAction("Dark", Color.DARK_GRAY), popup, group);
addCheckBoxItem(new ChangeBackgroundAction("Black", Color.BLACK), popup, group);
popup.addSeparator();
addCheckBoxItem(new ChooseBackgroundAction("Choose...", defaultBG != null ? defaultBG : Color.BLUE), popup, group);
JMenu background = new JMenu("Background");
popup.add(background);
ChangeBackgroundAction checkered = new ChangeBackgroundAction("Checkered", checkeredBG);
checkered.putValue(Action.SELECTED_KEY, true);
addCheckBoxItem(checkered, background, group);
background.addSeparator();
addCheckBoxItem(new ChangeBackgroundAction("White", Color.WHITE), background, group);
addCheckBoxItem(new ChangeBackgroundAction("Light", Color.LIGHT_GRAY), background, group);
addCheckBoxItem(new ChangeBackgroundAction("Gray", Color.GRAY), background, group);
addCheckBoxItem(new ChangeBackgroundAction("Dark", Color.DARK_GRAY), background, group);
addCheckBoxItem(new ChangeBackgroundAction("Black", Color.BLACK), background, group);
background.addSeparator();
addCheckBoxItem(new ChooseBackgroundAction("Choose...", defaultBG != null ? defaultBG : Color.BLUE), background, group);
return popup;
}
private void addCheckBoxItem(final Action pAction, final JPopupMenu pPopup, final ButtonGroup pGroup) {
private void addCheckBoxItem(final Action pAction, final JMenu pPopup, final ButtonGroup pGroup) {
JCheckBoxMenuItem item = new JCheckBoxMenuItem(pAction);
pGroup.add(item);
pPopup.add(item);
@ -553,6 +582,34 @@ public abstract class ImageReaderBase extends ImageReader {
}
}
}
private class ZoomAction extends AbstractAction {
private final BufferedImage image;
private final double zoomFactor;
public ZoomAction(final String name, final BufferedImage image, final double zoomFactor) {
super(name);
this.image = image;
this.zoomFactor = zoomFactor;
}
public ZoomAction(final String name, final BufferedImage image) {
this(name, image, 0);
}
public void actionPerformed(ActionEvent e) {
if (zoomFactor <= 0) {
setIcon(new BufferedImageIcon(image));
}
else {
Icon current = getIcon();
int w = (int) Math.max(Math.min(current.getIconWidth() * zoomFactor, image.getWidth() * 16), image.getWidth() / 16);
int h = (int) Math.max(Math.min(current.getIconHeight() * zoomFactor, image.getHeight() * 16), image.getHeight() / 16);
setIcon(new BufferedImageIcon(image, Math.max(w, 2), Math.max(h, 2), true));
}
}
}
}
private static class ExitIfNoWindowPresentHandler extends WindowAdapter {