113 lines
2.8 KiB
Java
113 lines
2.8 KiB
Java
/*
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* Copyright (C) 2021 pedroSG94.
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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.pedro.encoder.utils.gl;
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import android.graphics.Bitmap;
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import android.util.Log;
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import com.pedro.encoder.utils.gl.gif.GifDecoder;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Created by pedro on 22/09/17.
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*/
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public class GifStreamObject extends StreamObjectBase {
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private static final String TAG = "GifStreamObject";
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private int numFrames;
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private Bitmap[] gifBitmaps;
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private int[] gifDelayFrames;
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private long startDelayFrame;
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private int currentGifFrame;
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public GifStreamObject() {
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}
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@Override
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public int getWidth() {
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return gifBitmaps != null ? gifBitmaps[0].getWidth() : 0;
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}
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@Override
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public int getHeight() {
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return gifBitmaps != null ? gifBitmaps[0].getHeight() : 0;
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}
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public void load(InputStream inputStreamGif) throws IOException {
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GifDecoder gifDecoder = new GifDecoder();
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if (gifDecoder.read(inputStreamGif, inputStreamGif.available()) == 0) {
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Log.i(TAG, "read gif ok");
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numFrames = gifDecoder.getFrameCount();
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gifDelayFrames = new int[numFrames];
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gifBitmaps = new Bitmap[numFrames];
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for (int i = 0; i < numFrames; i++) {
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gifDecoder.advance();
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gifBitmaps[i] = gifDecoder.getNextFrame();
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gifDelayFrames[i] = gifDecoder.getNextDelay();
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}
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Log.i(TAG, "finish load gif frames");
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} else {
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throw new IOException("Read gif error");
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}
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}
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@Override
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public void recycle() {
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if (gifBitmaps != null) {
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for (int i = 0; i < numFrames; i++) {
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if (gifBitmaps[i] != null) gifBitmaps[i].recycle();
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}
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}
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}
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@Override
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public int getNumFrames() {
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return numFrames;
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}
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@Override
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public Bitmap[] getBitmaps() {
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return gifBitmaps;
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}
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public int[] getGifDelayFrames() {
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return gifDelayFrames;
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}
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public int updateFrame(int size) {
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return size <= 1 ? 0 : updateFrame();
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}
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@Override
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public int updateFrame() {
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if (startDelayFrame == 0) {
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startDelayFrame = System.currentTimeMillis();
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}
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if (System.currentTimeMillis() - startDelayFrame >= gifDelayFrames[currentGifFrame]) {
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if (currentGifFrame >= numFrames - 1) {
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currentGifFrame = 0;
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} else {
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currentGifFrame++;
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}
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startDelayFrame = 0;
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}
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return currentGifFrame;
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}
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}
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