| /* |
| * 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 android.graphics.drawable; |
| |
| import android.content.res.Resources; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.Matrix; |
| import android.graphics.Matrix.ScaleToFit; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.Picture; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.view.Gravity; |
| |
| /** |
| * Drawable subclass that wraps a Picture, allowing the picture to be used |
| * whereever a Drawable is supported. |
| */ |
| public class PictureDrawable extends Drawable { |
| |
| private Picture mPicture; |
| |
| /** |
| * Construct a new drawable referencing the specified picture. The picture |
| * may be null. |
| * |
| * @param picture The picture to associate with the drawable. May be null. |
| */ |
| public PictureDrawable(Picture picture) { |
| mPicture = picture; |
| } |
| |
| /** |
| * Return the picture associated with the drawable. May be null. |
| * |
| * @return the picture associated with the drawable, or null. |
| */ |
| public Picture getPicture() { |
| return mPicture; |
| } |
| |
| /** |
| * Associate a picture with this drawable. The picture may be null. |
| * |
| * @param picture The picture to associate with the drawable. May be null. |
| */ |
| public void setPicture(Picture picture) { |
| mPicture = picture; |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| if (mPicture != null) { |
| Rect bounds = getBounds(); |
| canvas.save(); |
| canvas.clipRect(bounds); |
| canvas.translate(bounds.left, bounds.top); |
| canvas.drawPicture(mPicture); |
| canvas.restore(); |
| } |
| } |
| |
| @Override |
| public int getIntrinsicWidth() { |
| return mPicture != null ? mPicture.getWidth() : -1; |
| } |
| |
| @Override |
| public int getIntrinsicHeight() { |
| return mPicture != null ? mPicture.getHeight() : -1; |
| } |
| |
| @Override |
| public int getOpacity() { |
| // not sure, so be safe |
| return PixelFormat.TRANSLUCENT; |
| } |
| |
| @Override |
| public void setFilterBitmap(boolean filter) {} |
| |
| @Override |
| public void setDither(boolean dither) {} |
| |
| @Override |
| public void setColorFilter(ColorFilter colorFilter) {} |
| |
| @Override |
| public void setAlpha(int alpha) {} |
| } |
| |