97 lines
2.6 KiB
Java
97 lines
2.6 KiB
Java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.graphics.drawable;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.drawable.Drawable;
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import android.graphics.Picture;
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import android.graphics.PixelFormat;
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import android.graphics.Rect;
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/**
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* Drawable subclass that wraps a Picture, allowing the picture to be used
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* wherever a Drawable is supported.
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*/
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public class PictureDrawable extends Drawable {
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private Picture mPicture;
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/**
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* Construct a new drawable referencing the specified picture. The picture
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* may be null.
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*
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* @param picture The picture to associate with the drawable. May be null.
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*/
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public PictureDrawable(Picture picture) {
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mPicture = picture;
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}
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/**
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* Return the picture associated with the drawable. May be null.
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*
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* @return the picture associated with the drawable, or null.
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*/
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public Picture getPicture() {
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return mPicture;
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}
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/**
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* Associate a picture with this drawable. The picture may be null.
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*
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* @param picture The picture to associate with the drawable. May be null.
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*/
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public void setPicture(Picture picture) {
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mPicture = picture;
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}
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@Override
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public void draw(Canvas canvas) {
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if (mPicture != null) {
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Rect bounds = getBounds();
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canvas.save();
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canvas.clipRect(bounds);
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canvas.translate(bounds.left, bounds.top);
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canvas.drawPicture(mPicture);
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canvas.restore();
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}
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}
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@Override
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public int getIntrinsicWidth() {
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return mPicture != null ? mPicture.getWidth() : -1;
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}
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@Override
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public int getIntrinsicHeight() {
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return mPicture != null ? mPicture.getHeight() : -1;
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}
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@Override
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public int getOpacity() {
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// not sure, so be safe
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return PixelFormat.TRANSLUCENT;
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}
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@Override
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public void setColorFilter(ColorFilter colorFilter) {}
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@Override
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public void setAlpha(int alpha) {}
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}
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