| /* |
| * Copyright (C) 2012 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.filters; |
| |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import com.android.gallery3d.app.Log; |
| |
| public class ImageFilterFx extends ImageFilter { |
| private static final String LOGTAG = "ImageFilterFx"; |
| private FilterFxRepresentation mParameters = null; |
| private Bitmap mFxBitmap = null; |
| private Resources mResources = null; |
| private int mFxBitmapId = 0; |
| |
| public ImageFilterFx() { |
| } |
| |
| @Override |
| public void freeResources() { |
| if (mFxBitmap != null) mFxBitmap.recycle(); |
| mFxBitmap = null; |
| } |
| |
| public void useRepresentation(FilterRepresentation representation) { |
| FilterFxRepresentation parameters = (FilterFxRepresentation) representation; |
| mParameters = parameters; |
| } |
| |
| public FilterFxRepresentation getParameters() { |
| return mParameters; |
| } |
| |
| native protected void nativeApplyFilter(Bitmap bitmap, int w, int h,Bitmap fxBitmap, int fxw, int fxh); |
| |
| @Override |
| public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) { |
| if (getParameters() == null || mResources == null) { |
| return bitmap; |
| } |
| |
| int w = bitmap.getWidth(); |
| int h = bitmap.getHeight(); |
| |
| int bitmapResourceId = getParameters().getBitmapResource(); |
| if (bitmapResourceId == 0) { // null filter fx |
| return bitmap; |
| } |
| |
| if (mFxBitmap == null || mFxBitmapId != bitmapResourceId) { |
| BitmapFactory.Options o = new BitmapFactory.Options(); |
| o.inScaled = false; |
| mFxBitmapId = bitmapResourceId; |
| if (mFxBitmapId != 0) { |
| mFxBitmap = BitmapFactory.decodeResource(mResources, mFxBitmapId, o); |
| } else { |
| Log.w(LOGTAG, "bad resource for filter: " + mName); |
| } |
| } |
| |
| if (mFxBitmap == null) { |
| return bitmap; |
| } |
| |
| int fxw = mFxBitmap.getWidth(); |
| int fxh = mFxBitmap.getHeight(); |
| |
| nativeApplyFilter(bitmap, w, h, mFxBitmap, fxw, fxh); |
| return bitmap; |
| } |
| |
| public void setResources(Resources resources) { |
| mResources = resources; |
| } |
| } |