/**
* Returns the specified image as icon.
*
* @param name name of icon
* @return icon
*/
public static ImageIcon icon(final String name) {
ImageIcon ii = ICONS.get(name);
if (ii != null) return ii;
Image img;
if (GUIConstants.scale > 1) {
// choose large image or none
final URL url =
GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null;
if (url == null) {
// resize low-res image if no hi-res image exists
img = get(url(name));
final int w = (int) (img.getWidth(null) * GUIConstants.scale);
final int h = (int) (img.getHeight(null) * GUIConstants.scale);
final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2 = tmp.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.drawImage(img, 0, 0, w, h, null);
g2.dispose();
img = tmp;
} else {
img = get(url);
}
} else {
img = get(name);
}
ii = new ImageIcon(img);
ICONS.put(name, ii);
return ii;
}
/** Open a file and load the image. */
public void openFile() {
JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(new File("."));
String[] extensions = ImageIO.getReaderFileSuffixes();
chooser.setFileFilter(new FileNameExtensionFilter("Image files", extensions));
int r = chooser.showOpenDialog(this);
if (r != JFileChooser.APPROVE_OPTION) return;
try {
Image img = ImageIO.read(chooser.getSelectedFile());
image =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
image.getGraphics().drawImage(img, 0, 0, null);
} catch (IOException e) {
JOptionPane.showMessageDialog(this, e);
}
repaint();
}