@Override
public Icon scale(float scaleFactor) {
if (scaleFactor == 1f) {
return this;
}
if (scaledIcons == null) {
scaledIcons = new HashMap<Float, Icon>(1);
}
Icon result = scaledIcons.get(scaleFactor);
if (result != null) {
return result;
}
final Image image =
ImageLoader.loadFromUrl(myUrl, UIUtil.isUnderDarcula(), scaleFactor >= 1.5f, filter);
if (image != null) {
int width = (int) (getIconWidth() * scaleFactor);
int height = (int) (getIconHeight() * scaleFactor);
final BufferedImage resizedImage =
Scalr.resize(
ImageUtil.toBufferedImage(image), Scalr.Method.ULTRA_QUALITY, width, height);
result = getIcon(resizedImage);
scaledIcons.put(scaleFactor, result);
return result;
}
return this;
}
@Nullable
public Icon getProgressTailIcon() {
if (myProgressTailIcon == null && myProgressTailIconName != null) {
try {
final URL url = getClass().getResource(myProgressTailIconName);
@SuppressWarnings({"deprecation", "UnnecessaryFullyQualifiedName"})
final Image image = com.intellij.util.ImageLoader.loadFromUrl(url, false);
if (image != null) {
myProgressTailIcon = new ImageIcon(image);
}
} catch (Exception ignore) {
}
}
return myProgressTailIcon;
}
@NotNull
private synchronized Icon getRealIcon() {
if (isLoaderDisabled()
&& (myRealIcon == null
|| dark != USE_DARK_ICONS
|| scale != SCALE
|| filter != IMAGE_FILTER)) return EMPTY_ICON;
if (dark != USE_DARK_ICONS || scale != SCALE || filter != IMAGE_FILTER) {
myRealIcon = null;
dark = USE_DARK_ICONS;
scale = SCALE;
filter = IMAGE_FILTER;
}
Object realIcon = myRealIcon;
if (realIcon instanceof Icon) return (Icon) realIcon;
Icon icon;
if (realIcon instanceof Reference) {
icon = ((Reference<Icon>) realIcon).get();
if (icon != null) return icon;
}
Image image = ImageLoader.loadFromUrl(myUrl, true, filter);
icon = checkIcon(image, myUrl);
if (icon != null) {
if (icon.getIconWidth() < 50 && icon.getIconHeight() < 50) {
realIcon = icon;
} else {
realIcon = new SoftReference<Icon>(icon);
}
myRealIcon = realIcon;
}
return icon == null ? EMPTY_ICON : icon;
}