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/*
* Copyright (C) 2010 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 com.android.layoutlib.bridge.impl.DelegateManager;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
/**
* Delegate implementing the native methods of android.graphics.Rasterizer
*
* Through the layoutlib_create tool, the original native methods of Rasterizer have been replaced
* by calls to methods of the same name in this delegate class.
*
* This class behaves like the original native implementation, but in Java, keeping previously
* native data into its own objects and mapping them to int that are sent back and forth between
* it and the original Rasterizer class.
*
* This also serve as a base class for all Rasterizer delegate classes.
*
* @see DelegateManager
*
*/
public abstract class Rasterizer_Delegate {
// ---- delegate manager ----
protected static final DelegateManager<Rasterizer_Delegate> sManager =
new DelegateManager<Rasterizer_Delegate>(Rasterizer_Delegate.class);
// ---- delegate helper data ----
// ---- delegate data ----
// ---- Public Helper methods ----
public static Rasterizer_Delegate getDelegate(int nativeShader) {
return sManager.getDelegate(nativeShader);
}
public abstract boolean isSupported();
public abstract String getSupportMessage();
// ---- native methods ----
@LayoutlibDelegate
/*package*/ static void finalizer(int native_instance) {
sManager.removeJavaReferenceFor(native_instance);
}
// ---- Private delegate/helper methods ----
}
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