diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/pipeline/Buffer.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/pipeline/Buffer.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/pipeline/Buffer.java b/src/com/android/gallery3d/filtershow/pipeline/Buffer.java new file mode 100644 index 000000000..744451229 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/pipeline/Buffer.java @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2013 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 com.android.gallery3d.filtershow.pipeline; + +import android.graphics.Bitmap; +import android.support.v8.renderscript.Allocation; +import android.support.v8.renderscript.RenderScript; + +public class Buffer { + private static final String LOGTAG = "Buffer"; + private Bitmap mBitmap; + private Allocation mAllocation; + private boolean mUseAllocation = false; + private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888; + private ImagePreset mPreset; + + public Buffer(Bitmap bitmap) { + RenderScript rs = CachingPipeline.getRenderScriptContext(); + if (bitmap != null) { + mBitmap = bitmap.copy(BITMAP_CONFIG, true); + } + if (mUseAllocation) { + // TODO: recreate the allocation when the RS context changes + mAllocation = Allocation.createFromBitmap(rs, mBitmap, + Allocation.MipmapControl.MIPMAP_NONE, + Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT); + } + } + + public void setBitmap(Bitmap bitmap) { + mBitmap = bitmap.copy(BITMAP_CONFIG, true); + } + + public Bitmap getBitmap() { + return mBitmap; + } + + public Allocation getAllocation() { + return mAllocation; + } + + public void sync() { + if (mUseAllocation) { + mAllocation.copyTo(mBitmap); + } + } + + public ImagePreset getPreset() { + return mPreset; + } + + public void setPreset(ImagePreset preset) { + if ((mPreset == null) || (!mPreset.same(preset))) { + mPreset = new ImagePreset(preset); + } else { + mPreset.updateWith(preset); + } + } +} + |