| /* |
| * Copyright (C) 2014 The Android Open Source 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 android.support.v4.graphics; |
| |
| import android.graphics.Bitmap; |
| import android.os.Build; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.RequiresApi; |
| |
| /** |
| * Helper for accessing features in {@link android.graphics.Bitmap}. |
| */ |
| public final class BitmapCompat { |
| static class BitmapCompatBaseImpl { |
| public boolean hasMipMap(Bitmap bitmap) { |
| return false; |
| } |
| |
| public void setHasMipMap(Bitmap bitmap, boolean hasMipMap) { |
| } |
| |
| public int getAllocationByteCount(Bitmap bitmap) { |
| return bitmap.getByteCount(); |
| } |
| } |
| |
| @RequiresApi(18) |
| static class BitmapCompatApi18Impl extends BitmapCompatBaseImpl { |
| @Override |
| public boolean hasMipMap(Bitmap bitmap){ |
| return bitmap.hasMipMap(); |
| } |
| |
| @Override |
| public void setHasMipMap(Bitmap bitmap, boolean hasMipMap) { |
| bitmap.setHasMipMap(hasMipMap); |
| } |
| } |
| |
| @RequiresApi(19) |
| static class BitmapCompatApi19Impl extends BitmapCompatApi18Impl { |
| @Override |
| public int getAllocationByteCount(Bitmap bitmap) { |
| return bitmap.getAllocationByteCount(); |
| } |
| } |
| |
| /** |
| * Select the correct implementation to use for the current platform. |
| */ |
| static final BitmapCompatBaseImpl IMPL; |
| static { |
| if (Build.VERSION.SDK_INT >= 19) { |
| IMPL = new BitmapCompatApi19Impl(); |
| } else if (Build.VERSION.SDK_INT >= 18) { |
| IMPL = new BitmapCompatApi18Impl(); |
| } else { |
| IMPL = new BitmapCompatBaseImpl(); |
| } |
| } |
| |
| public static boolean hasMipMap(@NonNull Bitmap bitmap) { |
| return IMPL.hasMipMap(bitmap); |
| } |
| |
| public static void setHasMipMap(@NonNull Bitmap bitmap, boolean hasMipMap) { |
| IMPL.setHasMipMap(bitmap, hasMipMap); |
| } |
| |
| /** |
| * Returns the size of the allocated memory used to store this bitmap's pixels in a backwards |
| * compatible way. |
| * |
| * @param bitmap the bitmap in which to return its allocation size |
| * @return the allocation size in bytes |
| */ |
| public static int getAllocationByteCount(@NonNull Bitmap bitmap) { |
| return IMPL.getAllocationByteCount(bitmap); |
| } |
| |
| private BitmapCompat() {} |
| } |