@Nullable
public static Image loadFromResource(@NonNls @NotNull String path, @NotNull Class aClass) {
return ImageDescList.create(
path,
aClass,
UIUtil.isUnderDarcula(),
UIUtil.isRetina() || JBUI.scale(1.0f) >= 1.5f,
true)
.load(ImageConverterChain.create().withRetina());
}
public static ImageDescList create(
@NotNull String file,
@Nullable Class cls,
boolean dark,
boolean retina,
boolean allowFloatScaling) {
ImageDescList vars = new ImageDescList();
if (retina || dark) {
final String name = FileUtil.getNameWithoutExtension(file);
final String ext = FileUtilRt.getExtension(file);
float scale = calcScaleFactor(allowFloatScaling);
// TODO: allow SVG images to freely scale on Retina
if (Registry.is("ide.svg.icon") && dark) {
vars.add(
new ImageDesc(
name + "_dark.svg", cls, UIUtil.isRetina() ? 2f : scale, ImageDesc.Type.SVG));
}
if (Registry.is("ide.svg.icon")) {
vars.add(
new ImageDesc(
name + ".svg", cls, UIUtil.isRetina() ? 2f : scale, ImageDesc.Type.SVG));
}
if (dark && retina) {
vars.add(new ImageDesc(name + "@2x_dark." + ext, cls, 2f, ImageDesc.Type.PNG));
}
if (dark) {
vars.add(new ImageDesc(name + "_dark." + ext, cls, 1f, ImageDesc.Type.PNG));
}
if (retina) {
vars.add(new ImageDesc(name + "@2x." + ext, cls, 2f, ImageDesc.Type.PNG));
}
}
vars.add(new ImageDesc(file, cls, 1f, ImageDesc.Type.PNG, true));
return vars;
}
@Nullable
public static Image loadFromUrl(
@NotNull URL url, boolean allowFloatScaling, ImageFilter[] filters) {
final float scaleFactor = calcScaleFactor(allowFloatScaling);
// We can't check all 3rd party plugins and convince the authors to add @2x icons.
// (scaleFactor > 1.0) != isRetina() => we should scale images manually.
// Note we never scale images on Retina displays because scaling is handled by the system.
final boolean scaleImages = (scaleFactor > 1.0f) && !UIUtil.isRetina();
// For any scale factor > 1.0, always prefer retina images, because downscaling
// retina images provides a better result than upscaling non-retina images.
final boolean loadRetinaImages = UIUtil.isRetina() || scaleImages;
return ImageDescList.create(
url.toString(), null, UIUtil.isUnderDarcula(), loadRetinaImages, allowFloatScaling)
.load(
ImageConverterChain.create()
.withFilter(filters)
.withRetina()
.with(
new ImageConverter() {
public Image convert(Image source, ImageDesc desc) {
if (source != null && scaleImages && desc.type != ImageDesc.Type.SVG) {
if (desc.path.contains("@2x"))
return scaleImage(
source,
scaleFactor
/ 2.0f); // divide by 2.0 as Retina images are 2x the
// resolution.
else return scaleImage(source, scaleFactor);
}
return source;
}
}));
}
@Nullable
public static Image loadFromUrl(URL url, boolean dark, boolean retina, ImageFilter[] filters) {
return ImageDescList.create(url.toString(), null, dark, retina, true)
.load(ImageConverterChain.create().withFilter(filters).withRetina());
}