| /* |
| * Copyright (C) 2008 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.example.android.apis.graphics; |
| |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.PixelFormat; |
| import android.graphics.drawable.Drawable; |
| |
| public class ProxyDrawable extends Drawable { |
| |
| private Drawable mProxy; |
| private boolean mMutated; |
| |
| public ProxyDrawable(Drawable target) { |
| mProxy = target; |
| } |
| |
| public Drawable getProxy() { |
| return mProxy; |
| } |
| |
| public void setProxy(Drawable proxy) { |
| if (proxy != this) { |
| mProxy = proxy; |
| } |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| if (mProxy != null) { |
| mProxy.draw(canvas); |
| } |
| } |
| |
| @Override |
| public int getIntrinsicWidth() { |
| return mProxy != null ? mProxy.getIntrinsicWidth() : -1; |
| } |
| |
| @Override |
| public int getIntrinsicHeight() { |
| return mProxy != null ? mProxy.getIntrinsicHeight() : -1; |
| } |
| |
| @Override |
| public int getOpacity() { |
| return mProxy != null ? mProxy.getOpacity() : PixelFormat.TRANSPARENT; |
| } |
| |
| @Override |
| public void setFilterBitmap(boolean filter) { |
| if (mProxy != null) { |
| mProxy.setFilterBitmap(filter); |
| } |
| } |
| |
| @Override |
| public void setDither(boolean dither) { |
| if (mProxy != null) { |
| mProxy.setDither(dither); |
| } |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter colorFilter) { |
| if (mProxy != null) { |
| mProxy.setColorFilter(colorFilter); |
| } |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| if (mProxy != null) { |
| mProxy.setAlpha(alpha); |
| } |
| } |
| |
| @Override |
| public Drawable mutate() { |
| if (mProxy != null && !mMutated && super.mutate() == this) { |
| mProxy.mutate(); |
| mMutated = true; |
| } |
| return this; |
| } |
| } |
| |