101 lines
2.4 KiB
Java
101 lines
2.4 KiB
Java
/*
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* Copyright 2016 Hippo Seven
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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 com.hippo.image;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.PixelFormat;
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import android.graphics.drawable.Animatable;
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import android.graphics.drawable.Drawable;
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/**
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* A drawable to draw {@link ImageBitmap}
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*/
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public class ImageDrawable extends Drawable implements Animatable, ImageBitmap.Callback {
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private final ImageBitmap mImageBitmap;
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private final Paint mPaint;
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public ImageDrawable(ImageBitmap imageBitmap) throws Exception {
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if (!imageBitmap.obtain()) {
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throw new Exception();
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}
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mImageBitmap = imageBitmap;
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mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
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// Add callback
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imageBitmap.addCallback(this);
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}
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public void recycle() {
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mImageBitmap.removeCallback(this);
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mImageBitmap.release();
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}
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@Override
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public void draw(Canvas canvas) {
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mImageBitmap.draw(canvas, null, getBounds(), mPaint);
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}
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@Override
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public void setAlpha(int alpha) {
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mPaint.setAlpha(alpha);
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}
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@Override
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public void setColorFilter(ColorFilter colorFilter) {
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mPaint.setColorFilter(colorFilter);
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}
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@Override
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public int getOpacity() {
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return mImageBitmap.isOpaque() ? PixelFormat.OPAQUE : PixelFormat.UNKNOWN;
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}
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@Override
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public int getIntrinsicWidth() {
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return mImageBitmap.getWidth();
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}
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@Override
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public int getIntrinsicHeight() {
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return mImageBitmap.getHeight();
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}
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@Override
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public void start() {
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mImageBitmap.start();
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}
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@Override
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public void stop() {
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mImageBitmap.stop();
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}
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@Override
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public boolean isRunning() {
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return mImageBitmap.isRunning();
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}
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@Override
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public void invalidateImage(ImageBitmap who) {
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invalidateSelf();
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}
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}
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