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/*
* Copyright (C) 2014 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.cyanogenmod.eleven.utils;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.support.v7.graphics.Palette;
import android.util.LruCache;
public class BitmapWithColors {
private static final class BitmapColors {
public int mVibrantColor;
public int mVibrantDarkColor;
public BitmapColors(int vibrantColor, int vibrantDarkColor) {
mVibrantColor = vibrantColor;
mVibrantDarkColor = vibrantDarkColor;
}
}
private static final int CACHE_SIZE_MAX = 20;
private static final LruCache<Integer, BitmapColors> sCachedColors =
new LruCache<Integer, BitmapColors>(CACHE_SIZE_MAX);
private Bitmap mBitmap;
private int mBitmapKey;
private BitmapColors mColors;
public BitmapWithColors(Bitmap bitmap, int bitmapKey) {
mBitmap = bitmap;
mBitmapKey = bitmapKey;
}
public BitmapWithColors(Bitmap bitmap, int bitmapKey, int vibrantColor, int vibrantDarkColor) {
mBitmap = bitmap;
mBitmapKey = bitmapKey;
mColors = new BitmapColors(vibrantColor, vibrantDarkColor);
}
public Bitmap getBitmap() {
return mBitmap;
}
public int getVibrantColor() {
loadColorsIfNeeded();
if (mColors.mVibrantColor == Color.TRANSPARENT) {
return mColors.mVibrantDarkColor;
}
return mColors.mVibrantColor;
}
public int getVibrantDarkColor() {
loadColorsIfNeeded();
if (mColors.mVibrantDarkColor == Color.TRANSPARENT) {
return mColors.mVibrantColor;
}
return mColors.mVibrantDarkColor;
}
private synchronized void loadColorsIfNeeded() {
if (mColors != null) {
return;
}
synchronized (sCachedColors) {
mColors = sCachedColors.get(mBitmapKey);
}
if (mColors != null) {
return;
}
final Palette p = Palette.generate(mBitmap);
if (p == null) {
return;
}
int vibrantColor = Color.TRANSPARENT;
int vibrantDarkColor = Color.TRANSPARENT;
Palette.Swatch swatch = p.getDarkVibrantSwatch();
if (swatch != null) {
vibrantDarkColor = swatch.getRgb();
}
swatch = p.getVibrantSwatch();
if (swatch != null) {
vibrantColor = swatch.getRgb();
}
mColors = new BitmapColors(vibrantColor, vibrantDarkColor);
synchronized (sCachedColors) {
sCachedColors.put(mBitmapKey, mColors);
}
}
}
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