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Commit e402bc94 authored by Aurélien Pomini's avatar Aurélien Pomini Committed by Automerger Merge Worker
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Merge "Use less clusters for color extraction for small bitmaps" into udc-dev...

Merge "Use less clusters for color extraction for small bitmaps" into udc-dev am: 8452c883 am: e921fc5c am: b8672529

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22930898



Change-Id: I04436182faedfe9677c1cec2d8d6c41fb1d5f822
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents dc661b7c b8672529
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+9 −1
Original line number Diff line number Diff line
@@ -213,9 +213,17 @@ public final class WallpaperColors implements Parcelable {
                    .resizeBitmapArea(MAX_WALLPAPER_EXTRACTION_AREA)
                    .generate();
        } else {
            // in any case, always use between 5 and 128 clusters
            int minClusters = 5;
            int maxClusters = 128;

            // if the bitmap is very small, use bitmapArea/16 clusters instead of 128
            int minPixelsPerCluster = 16;
            int numberOfColors = Math.max(minClusters,
                    Math.min(maxClusters, bitmapArea / minPixelsPerCluster));
            palette = Palette
                    .from(bitmap, new CelebiQuantizer())
                    .maximumColorCount(128)
                    .maximumColorCount(numberOfColors)
                    .resizeBitmapArea(MAX_WALLPAPER_EXTRACTION_AREA)
                    .generate();
        }