/** Initialise the frame to show the current photo */
private void initFrame() {
_frame.setVisible(false);
Photo photo = _app.getTrackInfo().getCurrentPhoto();
_frame.setTitle(photo.getName());
_label.setText(
"'" + photo.getName() + "' (" + photo.getWidth() + " x " + photo.getHeight() + ")");
_photoThumb.setPhoto(photo);
}
/**
* Run method, for loading image in separate thread
*
* @see java.lang.Runnable#run()
*/
public void run() {
if (_inPanel) {
// use either exif thumbnail or photo scaled down to sensible size
if (_photo.getExifThumbnail() != null) {
// Use exif thumbnail
Image image = new ImageIcon(_photo.getExifThumbnail()).getImage();
_thumbnail =
ImageUtils.createScaledImage(image, image.getWidth(null), image.getHeight(null));
image = null;
} else {
// no exif thumbnail available, going to have to read whole thing
int picWidth = _photo.getWidth();
int picHeight = _photo.getHeight();
if (picWidth > -1 && picHeight > -1) {
// Just set a "reasonable" thumbnail size for now
final int DEFAULT_THUMB_SIZE = 400;
// calculate maximum thumbnail size
Dimension thumbSize =
ImageUtils.getThumbnailSize(
picWidth, picHeight, DEFAULT_THUMB_SIZE, DEFAULT_THUMB_SIZE);
// Make icon to load image into
Image image = _photo.createImageIcon().getImage();
// save scaled, smoothed thumbnail for reuse
_thumbnail = ImageUtils.createScaledImage(image, thumbSize.width, thumbSize.height);
image = null;
} else _loadFailed = true;
}
} else {
_thumbnail = _photo.createImageIcon().getImage();
}
_loadingImage = false;
repaint();
}
/**
* Override paint method
*
* @see javax.swing.JComponent#paint(java.awt.Graphics)
*/
public void paint(Graphics inG) {
super.paint(inG);
if (_photo != null) {
// read thumbnail in separate thread
if (_thumbnail == null && !_loadingImage && !_loadFailed) {
_loadingImage = true;
new Thread(this).start();
}
// if loading, display message
if (_loadingImage) {
inG.setColor(Color.BLACK);
inG.drawString(LOADING_STRING, 10, 30);
} else if (_thumbnail != null && !_loadFailed) {
// Copy scaled, smoothed (and rotated) image into scaled
int usableWidth = getParent().getWidth() - 10;
int usableHeight = (_inPanel ? usableWidth : getHeight() - 10);
Image scaled =
ImageUtils.rotateImage(
_thumbnail, usableWidth, usableHeight, _photo.getRotationDegrees());
int scaleWidth = scaled.getWidth(null);
int scaleHeight = scaled.getHeight(null);
// Draw scaled / rotated image to component
int horizOffset = (getWidth() - scaleWidth) / 2;
int vertOffset = (getHeight() - scaleHeight) / 2;
inG.drawImage(scaled, horizOffset, vertOffset, scaleWidth, scaleHeight, null);
// Special resize behaviour when locked inside details panel
if (_inPanel && (getHeight() < getWidth() || getHeight() > usableWidth)) {
Dimension newsize = new Dimension(usableWidth, usableWidth);
setPreferredSize(newsize);
setSize(newsize);
invalidate();
// Schedule a relayout because the size has changed
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
try {
Thread.sleep(200);
} catch (InterruptedException e) {
}
getParent().getParent().getParent().validate();
}
});
}
}
}
}
