1 /* 2 * Copyright (C) 2014 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 android.graphics; 18 19 import android.annotation.UnsupportedAppUsage; 20 import com.android.internal.util.VirtualRefBasePtr; 21 22 /** 23 * TODO: Make public? 24 * @hide 25 */ 26 public final class CanvasProperty<T> { 27 28 private VirtualRefBasePtr mProperty; 29 30 @UnsupportedAppUsage createFloat(float initialValue)31 public static CanvasProperty<Float> createFloat(float initialValue) { 32 return new CanvasProperty<Float>(nCreateFloat(initialValue)); 33 } 34 35 @UnsupportedAppUsage createPaint(Paint initialValue)36 public static CanvasProperty<Paint> createPaint(Paint initialValue) { 37 return new CanvasProperty<Paint>(nCreatePaint(initialValue.getNativeInstance())); 38 } 39 CanvasProperty(long nativeContainer)40 private CanvasProperty(long nativeContainer) { 41 mProperty = new VirtualRefBasePtr(nativeContainer); 42 } 43 44 /** @hide */ getNativeContainer()45 public long getNativeContainer() { 46 return mProperty.get(); 47 } 48 nCreateFloat(float initialValue)49 private static native long nCreateFloat(float initialValue); nCreatePaint(long initialValuePaintPtr)50 private static native long nCreatePaint(long initialValuePaintPtr); 51 } 52