1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.photoeditor.filters; 18 19 import android.media.effect.Effect; 20 import android.media.effect.EffectFactory; 21 import android.os.Parcel; 22 23 import com.android.gallery3d.photoeditor.Photo; 24 25 /** 26 * Straighten filter applied to the image. 27 */ 28 public class StraightenFilter extends Filter { 29 30 public static final Creator<StraightenFilter> CREATOR = creatorOf(StraightenFilter.class); 31 public static final float MAX_DEGREES = 45.0f; 32 33 private float degrees; 34 35 public void setAngle(float degrees) { 36 this.degrees = degrees; 37 } 38 39 @Override 40 public void process(Photo src, Photo dst) { 41 Effect effect = getEffect(EffectFactory.EFFECT_STRAIGHTEN); 42 effect.setParameter("maxAngle", MAX_DEGREES); 43 effect.setParameter("angle", -degrees); 44 effect.apply(src.texture(), src.width(), src.height(), dst.texture()); 45 } 46 47 @Override 48 protected void writeToParcel(Parcel out) { 49 out.writeFloat(degrees); 50 } 51 52 @Override 53 protected void readFromParcel(Parcel in) { 54 degrees = in.readFloat(); 55 } 56 } 57
