19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics.drawable; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.ColorFilter; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Picture; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PixelFormat; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Drawable subclass that wraps a Picture, allowing the picture to be used 28b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette * wherever a Drawable is supported. 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class PictureDrawable extends Drawable { 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Picture mPicture; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Construct a new drawable referencing the specified picture. The picture 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may be null. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param picture The picture to associate with the drawable. May be null. 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PictureDrawable(Picture picture) { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPicture = picture; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the picture associated with the drawable. May be null. 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the picture associated with the drawable, or null. 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Picture getPicture() { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPicture; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Associate a picture with this drawable. The picture may be null. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param picture The picture to associate with the drawable. May be null. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPicture(Picture picture) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPicture = picture; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6316f1d81d47beb1e04504a76de66e2919dde08c33Alan Viverette public void draw(Canvas canvas) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPicture != null) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect bounds = getBounds(); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.save(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.clipRect(bounds); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.translate(bounds.left, bounds.top); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.drawPicture(mPicture); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.restore(); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicWidth() { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPicture != null ? mPicture.getWidth() : -1; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicHeight() { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPicture != null ? mPicture.getHeight() : -1; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOpacity() { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // not sure, so be safe 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return PixelFormat.TRANSLUCENT; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 89b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter colorFilter) {} 92b3c56086d802ae28888dd97ba1f49bd6cee0b673Alan Viverette 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) {} 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 97