frameworks_base/graphics/java/android/graphics/CanvasProperty.java

/*
 * 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.graphics;

import android.annotation.UnsupportedAppUsage;
import com.android.internal.util.VirtualRefBasePtr;

/**
 * TODO: Make public?
 * @hide
 */
public final class CanvasProperty<T> {

    private VirtualRefBasePtr mProperty;

    @UnsupportedAppUsage
    public static CanvasProperty<Float> createFloat(float initialValue) {
        return new CanvasProperty<Float>(nCreateFloat(initialValue));
    }

    @UnsupportedAppUsage
    public static CanvasProperty<Paint> createPaint(Paint initialValue) {
        return new CanvasProperty<Paint>(nCreatePaint(initialValue.getNativeInstance()));
    }

    private CanvasProperty(long nativeContainer) {
        mProperty = new VirtualRefBasePtr(nativeContainer);
    }

    /** @hide */
    public long getNativeContainer() {
        return mProperty.get();
    }

    private static native long nCreateFloat(float initialValue);
    private static native long nCreatePaint(long initialValuePaintPtr);
}