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IDEA-226566: Use caching for large images

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merged from https://github.com/JetBrains/intellij-community/pull/1242

GitOrigin-RevId: 1da9624577c717f6358d96b89c8c34f8ed3c37bd
This commit is contained in:
Sergey Prigogin
2019-12-03 09:07:20 +00:00
committed by intellij-monorepo-bot
parent b35036baba
commit bb22b64f58
1 changed files with 20 additions and 2 deletions
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platform/util/ui/src/com/intellij/ui/icons/ImageDescriptor.java
+20 -2
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@@ -26,6 +26,8 @@ import java.util.concurrent.ConcurrentMap;
@ApiStatus.Internal
public final class ImageDescriptor {
private static final ConcurrentMap<String, Pair<Image, ImageLoader.Dimension2DDouble>> ourCache = ContainerUtil.createConcurrentSoftValueMap();
private static final ConcurrentMap<String, Image> ourLargeImageCache = ContainerUtil.createConcurrentWeakValueMap();
private static final ConcurrentMap<Image, ImageLoader.Dimension2DDouble> ourLargeImageDimensionMap = ContainerUtil.createConcurrentWeakMap();
final @NotNull String path;
public final double scale; // initial scale factor
@@ -62,6 +64,8 @@ public final class ImageDescriptor {
public static void clearCache() {
ourCache.clear();
ourLargeImageCache.clear();
ourLargeImageDimensionMap.clear();
ImageLoader.clearCache();
}
@@ -94,6 +98,14 @@ public final class ImageDescriptor {
origUsrSize.setSize(pair.second);
return pair.first;
}
Image image = ourLargeImageCache.get(cacheKey);
if (image != null) {
ImageLoader.Dimension2DDouble dimension = ourLargeImageDimensionMap.get(image);
if (dimension != null) {
origUsrSize.setSize(dimension);
return image;
}
}
}
long start = StartUpMeasurer.isEnabled() || loadTimeConsumer != null ? StartUpMeasurer.getCurrentTime() : -1;
@@ -128,8 +140,14 @@ public final class ImageDescriptor {
finally {
stream.close();
}
if (image != null && cacheKey != null && 4L * image.getWidth(null) * image.getHeight(null) <= ImageLoader.CACHED_IMAGE_MAX_SIZE) {
ourCache.put(cacheKey, Pair.create(image, origUsrSize));
if (image != null && cacheKey != null) {
if (4L * image.getWidth(null) * image.getHeight(null) <= ImageLoader.CACHED_IMAGE_MAX_SIZE) {
ourCache.put(cacheKey, Pair.create(image, origUsrSize));
}
else {
ourLargeImageCache.put(cacheKey, image);
ourLargeImageDimensionMap.put(image, origUsrSize);
}
}
return image;
}