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https://codeberg.org/Freeyourgadget/Gadgetbridge.git
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Pixoo: poc to decode second frame of a gif animation
This commit is contained in:
Andreas Shimokawa
parent
4ce5b59e15
commit
7519820e45
@ -0,0 +1,797 @@
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/**
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* Copyright (c) 2013 Xcellent Creations, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package nodomain.freeyourgadget.gadgetbridge.service.devices.divoom;
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import android.graphics.Bitmap;
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import android.util.Log;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.BufferUnderflowException;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.util.ArrayList;
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/**
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* Reads frame data from a GIF image source and decodes it into individual frames
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* for animation purposes. Image data can be read from either and InputStream source
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* or a byte[].
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*
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* This class is optimized for running animations with the frames, there
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* are no methods to get individual frame images, only to decode the next frame in the
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* animation sequence. Instead, it lowers its memory footprint by only housing the minimum
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* data necessary to decode the next frame in the animation sequence.
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*
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* The animation must be manually moved forward using {@link #advance()} before requesting the next
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* frame. This method must also be called before you request the first frame or an error will
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* occur.
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*
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* Implementation adapted from sample code published in Lyons. (2004). <em>Java for Programmers</em>,
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* republished under the MIT Open Source License
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*/
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public class GifDecoder {
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private static final String TAG = GifDecoder.class.getSimpleName();
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/**
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* File read status: No errors.
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*/
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public static final int STATUS_OK = 0;
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/**
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* File read status: Error decoding file (may be partially decoded)
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*/
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public static final int STATUS_FORMAT_ERROR = 1;
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/**
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* File read status: Unable to open source.
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*/
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public static final int STATUS_OPEN_ERROR = 2;
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/**
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* max decoder pixel stack size
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*/
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protected static final int MAX_STACK_SIZE = 4096;
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/**
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* GIF Disposal Method meaning take no action
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*/
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private static final int DISPOSAL_UNSPECIFIED = 0;
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/**
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* GIF Disposal Method meaning leave canvas from previous frame
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*/
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private static final int DISPOSAL_NONE = 1;
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/**
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* GIF Disposal Method meaning clear canvas to background color
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*/
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private static final int DISPOSAL_BACKGROUND = 2;
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/**
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* GIF Disposal Method meaning clear canvas to frame before last
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*/
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private static final int DISPOSAL_PREVIOUS = 3;
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/**
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* Global status code of GIF data parsing
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*/
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protected int status;
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//Global File Header values and parsing flags
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protected int width; // full image width
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protected int height; // full image height
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protected boolean gctFlag; // global color table used
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protected int gctSize; // size of global color table
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protected int loopCount = 1; // iterations; 0 = repeat forever
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protected int[] gct; // global color table
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protected int[] act; // active color table
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protected int bgIndex; // background color index
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protected int bgColor; // background color
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protected int pixelAspect; // pixel aspect ratio
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protected boolean lctFlag; // local color table flag
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protected int lctSize; // local color table size
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// Raw GIF data from input source
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protected ByteBuffer rawData;
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// Raw data read working array
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protected byte[] block = new byte[256]; // current data block
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protected int blockSize = 0; // block size last graphic control extension info
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// LZW decoder working arrays
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protected short[] prefix;
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protected byte[] suffix;
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protected byte[] pixelStack;
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protected byte[] mainPixels;
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protected int[] mainScratch, copyScratch;
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protected ArrayList<GifFrame> frames; // frames read from current file
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protected GifFrame currentFrame;
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protected Bitmap previousImage, currentImage, renderImage;
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protected int framePointer;
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protected int frameCount;
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/**
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* Inner model class housing metadata for each frame
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*/
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private static class GifFrame {
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public int ix, iy, iw, ih;
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/* Control Flags */
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public boolean interlace;
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public boolean transparency;
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/* Disposal Method */
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public int dispose;
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/* Transparency Index */
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public int transIndex;
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/* Delay, in ms, to next frame */
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public int delay;
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/* Index in the raw buffer where we need to start reading to decode */
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public int bufferFrameStart;
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/* Local Color Table */
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public int[] lct;
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}
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/**
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* Move the animation frame counter forward
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*/
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public void advance() {
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framePointer = (framePointer + 1) % frameCount;
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}
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/**
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* Gets display duration for specified frame.
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*
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* @param n int index of frame
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* @return delay in milliseconds
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*/
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public int getDelay(int n) {
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int delay = -1;
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if ((n >= 0) && (n < frameCount)) {
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delay = frames.get(n).delay;
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}
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return delay;
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}
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/**
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* Gets display duration for the upcoming frame
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*/
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public int getNextDelay() {
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if (frameCount <=0 || framePointer < 0) {
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return -1;
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}
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return getDelay(framePointer);
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}
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/**
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* Gets the number of frames read from file.
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*
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* @return frame count
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*/
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public int getFrameCount() {
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return frameCount;
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}
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/**
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* Gets the current index of the animation frame, or -1 if animation hasn't not yet started
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*
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* @return frame index
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*/
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public int getCurrentFrameIndex() {
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return framePointer;
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}
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/**
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* Gets the "Netscape" iteration count, if any. A count of 0 means repeat indefinitiely.
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*
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* @return iteration count if one was specified, else 1.
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*/
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public int getLoopCount() {
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return loopCount;
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}
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/**
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* Get the next frame in the animation sequence.
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*
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* @return Bitmap representation of frame
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*/
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public Bitmap getNextFrame() {
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if (frameCount <= 0 || framePointer < 0 || currentImage == null) {
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return null;
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}
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GifFrame frame = frames.get(framePointer);
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//Set the appropriate color table
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if (frame.lct == null) {
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act = gct;
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} else {
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act = frame.lct;
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if (bgIndex == frame.transIndex) {
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bgColor = 0;
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}
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}
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int save = 0;
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if (frame.transparency) {
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save = act[frame.transIndex];
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act[frame.transIndex] = 0; // set transparent color if specified
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}
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if (act == null) {
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Log.w(TAG, "No Valid Color Table");
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status = STATUS_FORMAT_ERROR; // no color table defined
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return null;
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}
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setPixels(framePointer); // transfer pixel data to image
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// Reset the transparent pixel in the color table
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if (frame.transparency) {
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act[frame.transIndex] = save;
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}
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return currentImage;
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}
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/**
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* Reads GIF image from stream
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*
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* @param is containing GIF file.
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* @return read status code (0 = no errors)
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*/
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public int read(InputStream is, int contentLength) {
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long startTime = System.currentTimeMillis();
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if (is != null) {
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try {
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int capacity = (contentLength > 0) ? (contentLength + 4096) : 4096;
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ByteArrayOutputStream buffer = new ByteArrayOutputStream(capacity);
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int nRead;
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byte[] data = new byte[16384];
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while ((nRead = is.read(data, 0, data.length)) != -1) {
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buffer.write(data, 0, nRead);
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}
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buffer.flush();
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read(buffer.toByteArray());
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} catch (IOException e) {
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Log.w(TAG, "Error reading data from stream", e);
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}
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} else {
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status = STATUS_OPEN_ERROR;
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}
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try {
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is.close();
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} catch (Exception e) {
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Log.w(TAG, "Error closing stream", e);
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}
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return status;
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}
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/**
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* Reads GIF image from byte array
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*
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* @param data containing GIF file.
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* @return read status code (0 = no errors)
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*/
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public int read(byte[] data) {
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init();
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if (data != null) {
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//Initiliaze the raw data buffer
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rawData = ByteBuffer.wrap(data);
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rawData.rewind();
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rawData.order(ByteOrder.LITTLE_ENDIAN);
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readHeader();
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if (!err()) {
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readContents();
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if (frameCount < 0) {
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status = STATUS_FORMAT_ERROR;
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}
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}
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} else {
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status = STATUS_OPEN_ERROR;
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}
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return status;
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}
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/**
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* Creates new frame image from current data (and previous frames as specified by their disposition codes).
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*/
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protected void setPixels(int frameIndex) {
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GifFrame currentFrame = frames.get(frameIndex);
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GifFrame previousFrame = null;
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int previousIndex = frameIndex - 1;
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if (previousIndex >= 0) {
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previousFrame = frames.get(previousIndex);
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}
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// final location of blended pixels
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final int[] dest = mainScratch;
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// fill in starting image contents based on last image's dispose code
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if (previousFrame != null && previousFrame.dispose > DISPOSAL_UNSPECIFIED) {
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if (previousFrame.dispose == DISPOSAL_NONE && currentImage != null) {
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// Start with the current image
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currentImage.getPixels(dest, 0, width, 0, 0, width, height);
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}
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if (previousFrame.dispose == DISPOSAL_BACKGROUND) {
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// Start with a canvas filled with the background color
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int c = 0;
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if (!currentFrame.transparency) {
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c = bgColor;
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}
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for (int i = 0; i < previousFrame.ih; i++) {
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int n1 = (previousFrame.iy + i) * width + previousFrame.ix;
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int n2 = n1 + previousFrame.iw;
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for (int k = n1; k < n2; k++) {
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dest[k] = c;
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}
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}
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}
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if (previousFrame.dispose == DISPOSAL_PREVIOUS && previousImage != null) {
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// Start with the previous frame
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previousImage.getPixels(dest, 0, width, 0, 0, width, height);
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}
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}
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//Decode pixels for this frame into the global pixels[] scratch
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decodeBitmapData(currentFrame, mainPixels); // decode pixel data
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// copy each source line to the appropriate place in the destination
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int pass = 1;
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int inc = 8;
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int iline = 0;
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for (int i = 0; i < currentFrame.ih; i++) {
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int line = i;
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if (currentFrame.interlace) {
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if (iline >= currentFrame.ih) {
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pass++;
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switch (pass) {
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case 2:
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iline = 4;
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break;
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case 3:
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iline = 2;
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inc = 4;
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break;
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case 4:
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iline = 1;
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inc = 2;
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break;
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default:
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break;
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}
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}
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line = iline;
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iline += inc;
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}
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line += currentFrame.iy;
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if (line < height) {
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int k = line * width;
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int dx = k + currentFrame.ix; // start of line in dest
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int dlim = dx + currentFrame.iw; // end of dest line
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if ((k + width) < dlim) {
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dlim = k + width; // past dest edge
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}
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int sx = i * currentFrame.iw; // start of line in source
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while (dx < dlim) {
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// map color and insert in destination
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int index = ((int) mainPixels[sx++]) & 0xff;
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int c = act[index];
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if (c != 0) {
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dest[dx] = c;
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}
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dx++;
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}
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}
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}
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//Copy pixels into previous image
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currentImage.getPixels(copyScratch, 0, width, 0, 0, width, height);
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previousImage.setPixels(copyScratch, 0, width, 0, 0, width, height);
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//Set pixels for current image
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currentImage.setPixels(dest, 0, width, 0, 0, width, height);
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}
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/**
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* Decodes LZW image data into pixel array. Adapted from John Cristy's BitmapMagick.
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*/
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protected void decodeBitmapData(GifFrame frame, byte[] dstPixels) {
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long startTime = System.currentTimeMillis();
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long stepOne, stepTwo, stepThree;
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if (frame != null) {
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//Jump to the frame start position
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rawData.position(frame.bufferFrameStart);
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}
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int nullCode = -1;
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int npix = (frame == null) ? width * height : frame.iw * frame.ih;
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int available, clear, code_mask, code_size, end_of_information, in_code, old_code, bits, code, count, i, datum, data_size, first, top, bi, pi;
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if (dstPixels == null || dstPixels.length < npix) {
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dstPixels = new byte[npix]; // allocate new pixel array
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}
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if (prefix == null) {
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prefix = new short[MAX_STACK_SIZE];
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}
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if (suffix == null) {
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suffix = new byte[MAX_STACK_SIZE];
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}
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if (pixelStack == null) {
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pixelStack = new byte[MAX_STACK_SIZE + 1];
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}
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// Initialize GIF data stream decoder.
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data_size = read();
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clear = 1 << data_size;
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end_of_information = clear + 1;
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available = clear + 2;
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old_code = nullCode;
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code_size = data_size + 1;
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code_mask = (1 << code_size) - 1;
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for (code = 0; code < clear; code++) {
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prefix[code] = 0; // XXX ArrayIndexOutOfBoundsException
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suffix[code] = (byte) code;
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}
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// Decode GIF pixel stream.
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datum = bits = count = first = top = pi = bi = 0;
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for (i = 0; i < npix; ) {
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if (top == 0) {
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if (bits < code_size) {
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// Load bytes until there are enough bits for a code.
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if (count == 0) {
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// Read a new data block.
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count = readBlock();
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if (count <= 0) {
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break;
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}
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bi = 0;
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}
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datum += (((int) block[bi]) & 0xff) << bits;
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bits += 8;
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bi++;
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count--;
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continue;
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}
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// Get the next code.
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code = datum & code_mask;
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datum >>= code_size;
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bits -= code_size;
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// Interpret the code
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if ((code > available) || (code == end_of_information)) {
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break;
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}
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if (code == clear) {
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// Reset decoder.
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code_size = data_size + 1;
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code_mask = (1 << code_size) - 1;
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available = clear + 2;
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old_code = nullCode;
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continue;
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}
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if (old_code == nullCode) {
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pixelStack[top++] = suffix[code];
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old_code = code;
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first = code;
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continue;
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}
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in_code = code;
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if (code == available) {
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pixelStack[top++] = (byte) first;
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code = old_code;
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}
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while (code > clear) {
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pixelStack[top++] = suffix[code];
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code = prefix[code];
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}
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first = ((int) suffix[code]) & 0xff;
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// Add a new string to the string table,
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if (available >= MAX_STACK_SIZE) {
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break;
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}
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pixelStack[top++] = (byte) first;
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prefix[available] = (short) old_code;
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suffix[available] = (byte) first;
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available++;
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if (((available & code_mask) == 0) && (available < MAX_STACK_SIZE)) {
|
||||
code_size++;
|
||||
code_mask += available;
|
||||
}
|
||||
old_code = in_code;
|
||||
}
|
||||
// Pop a pixel off the pixel stack.
|
||||
top--;
|
||||
dstPixels[pi++] = pixelStack[top];
|
||||
i++;
|
||||
}
|
||||
|
||||
for (i = pi; i < npix; i++) {
|
||||
dstPixels[i] = 0; // clear missing pixels
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if an error was encountered during reading/decoding
|
||||
*/
|
||||
protected boolean err() {
|
||||
return status != STATUS_OK;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes or re-initializes reader
|
||||
*/
|
||||
protected void init() {
|
||||
status = STATUS_OK;
|
||||
frameCount = 0;
|
||||
framePointer = -1;
|
||||
frames = new ArrayList<GifFrame>();
|
||||
gct = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads a single byte from the input stream.
|
||||
*/
|
||||
protected int read() {
|
||||
int curByte = 0;
|
||||
try {
|
||||
curByte = (rawData.get() & 0xFF);
|
||||
} catch (Exception e) {
|
||||
status = STATUS_FORMAT_ERROR;
|
||||
}
|
||||
return curByte;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads next variable length block from input.
|
||||
*
|
||||
* @return number of bytes stored in "buffer"
|
||||
*/
|
||||
protected int readBlock() {
|
||||
blockSize = read();
|
||||
int n = 0;
|
||||
if (blockSize > 0) {
|
||||
try {
|
||||
int count;
|
||||
while (n < blockSize) {
|
||||
count = blockSize - n;
|
||||
rawData.get(block, n, count);
|
||||
|
||||
n += count;
|
||||
}
|
||||
} catch (Exception e) {
|
||||
Log.w(TAG, "Error Reading Block", e);
|
||||
status = STATUS_FORMAT_ERROR;
|
||||
}
|
||||
}
|
||||
return n;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads color table as 256 RGB integer values
|
||||
*
|
||||
* @param ncolors int number of colors to read
|
||||
* @return int array containing 256 colors (packed ARGB with full alpha)
|
||||
*/
|
||||
protected int[] readColorTable(int ncolors) {
|
||||
int nbytes = 3 * ncolors;
|
||||
int[] tab = null;
|
||||
byte[] c = new byte[nbytes];
|
||||
|
||||
try {
|
||||
rawData.get(c);
|
||||
|
||||
tab = new int[256]; // max size to avoid bounds checks
|
||||
int i = 0;
|
||||
int j = 0;
|
||||
while (i < ncolors) {
|
||||
int r = ((int) c[j++]) & 0xff;
|
||||
int g = ((int) c[j++]) & 0xff;
|
||||
int b = ((int) c[j++]) & 0xff;
|
||||
tab[i++] = 0xff000000 | (r << 16) | (g << 8) | b;
|
||||
}
|
||||
} catch (BufferUnderflowException e) {
|
||||
Log.w(TAG, "Format Error Reading Color Table", e);
|
||||
status = STATUS_FORMAT_ERROR;
|
||||
}
|
||||
|
||||
return tab;
|
||||
}
|
||||
|
||||
/**
|
||||
* Main file parser. Reads GIF content blocks.
|
||||
*/
|
||||
protected void readContents() {
|
||||
// read GIF file content blocks
|
||||
boolean done = false;
|
||||
while (!(done || err())) {
|
||||
int code = read();
|
||||
switch (code) {
|
||||
case 0x2C: // image separator
|
||||
readBitmap();
|
||||
break;
|
||||
case 0x21: // extension
|
||||
code = read();
|
||||
switch (code) {
|
||||
case 0xf9: // graphics control extension
|
||||
//Start a new frame
|
||||
currentFrame = new GifFrame();
|
||||
readGraphicControlExt();
|
||||
break;
|
||||
case 0xff: // application extension
|
||||
readBlock();
|
||||
String app = "";
|
||||
for (int i = 0; i < 11; i++) {
|
||||
app += (char) block[i];
|
||||
}
|
||||
if (app.equals("NETSCAPE2.0")) {
|
||||
readNetscapeExt();
|
||||
} else {
|
||||
skip(); // don't care
|
||||
}
|
||||
break;
|
||||
case 0xfe:// comment extension
|
||||
skip();
|
||||
break;
|
||||
case 0x01:// plain text extension
|
||||
skip();
|
||||
break;
|
||||
default: // uninteresting extension
|
||||
skip();
|
||||
}
|
||||
break;
|
||||
case 0x3b: // terminator
|
||||
done = true;
|
||||
break;
|
||||
case 0x00: // bad byte, but keep going and see what happens break;
|
||||
default:
|
||||
status = STATUS_FORMAT_ERROR;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads GIF file header information.
|
||||
*/
|
||||
protected void readHeader() {
|
||||
String id = "";
|
||||
for (int i = 0; i < 6; i++) {
|
||||
id += (char) read();
|
||||
}
|
||||
if (!id.startsWith("GIF")) {
|
||||
status = STATUS_FORMAT_ERROR;
|
||||
return;
|
||||
}
|
||||
readLSD();
|
||||
if (gctFlag && !err()) {
|
||||
gct = readColorTable(gctSize);
|
||||
bgColor = gct[bgIndex];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads Graphics Control Extension values
|
||||
*/
|
||||
protected void readGraphicControlExt() {
|
||||
read(); // block size
|
||||
int packed = read(); // packed fields
|
||||
currentFrame.dispose = (packed & 0x1c) >> 2; // disposal method
|
||||
if (currentFrame.dispose == 0) {
|
||||
currentFrame.dispose = 1; // elect to keep old image if discretionary
|
||||
}
|
||||
currentFrame.transparency = (packed & 1) != 0;
|
||||
currentFrame.delay = readShort() * 10; // delay in milliseconds
|
||||
currentFrame.transIndex = read(); // transparent color index
|
||||
read(); // block terminator
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads next frame image
|
||||
*/
|
||||
protected void readBitmap() {
|
||||
currentFrame.ix = readShort(); // (sub)image position & size
|
||||
currentFrame.iy = readShort();
|
||||
currentFrame.iw = readShort();
|
||||
currentFrame.ih = readShort();
|
||||
|
||||
int packed = read();
|
||||
lctFlag = (packed & 0x80) != 0; // 1 - local color table flag interlace
|
||||
lctSize = (int) Math.pow(2, (packed & 0x07) + 1);
|
||||
// 3 - sort flag
|
||||
// 4-5 - reserved lctSize = 2 << (packed & 7); // 6-8 - local color
|
||||
// table size
|
||||
currentFrame.interlace = (packed & 0x40) != 0;
|
||||
if (lctFlag) {
|
||||
currentFrame.lct = readColorTable(lctSize); // read table
|
||||
} else {
|
||||
currentFrame.lct = null; //No local color table
|
||||
}
|
||||
|
||||
currentFrame.bufferFrameStart = rawData.position(); //Save this as the decoding position pointer
|
||||
|
||||
decodeBitmapData(null, mainPixels); // false decode pixel data to advance buffer
|
||||
skip();
|
||||
if (err()) {
|
||||
return;
|
||||
}
|
||||
|
||||
frameCount++;
|
||||
frames.add(currentFrame); // add image to frame
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads Logical Screen Descriptor
|
||||
*/
|
||||
protected void readLSD() {
|
||||
// logical screen size
|
||||
width = readShort();
|
||||
height = readShort();
|
||||
// packed fields
|
||||
int packed = read();
|
||||
gctFlag = (packed & 0x80) != 0; // 1 : global color table flag
|
||||
// 2-4 : color resolution
|
||||
// 5 : gct sort flag
|
||||
gctSize = 2 << (packed & 7); // 6-8 : gct size
|
||||
bgIndex = read(); // background color index
|
||||
pixelAspect = read(); // pixel aspect ratio
|
||||
|
||||
//Now that we know the size, init scratch arrays
|
||||
mainPixels = new byte[width * height];
|
||||
mainScratch = new int[width * height];
|
||||
copyScratch = new int[width * height];
|
||||
|
||||
previousImage = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
|
||||
currentImage = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads Netscape extenstion to obtain iteration count
|
||||
*/
|
||||
protected void readNetscapeExt() {
|
||||
do {
|
||||
readBlock();
|
||||
if (block[0] == 1) {
|
||||
// loop count sub-block
|
||||
int b1 = ((int) block[1]) & 0xff;
|
||||
int b2 = ((int) block[2]) & 0xff;
|
||||
loopCount = (b2 << 8) | b1;
|
||||
}
|
||||
} while ((blockSize > 0) && !err());
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads next 16-bit value, LSB first
|
||||
*/
|
||||
protected int readShort() {
|
||||
// read 16-bit value
|
||||
return rawData.getShort();
|
||||
}
|
||||
|
||||
/**
|
||||
* Skips variable length blocks up to and including next zero length block.
|
||||
*/
|
||||
protected void skip() {
|
||||
do {
|
||||
readBlock();
|
||||
} while ((blockSize > 0) && !err());
|
||||
}
|
||||
}
|
||||
@ -25,6 +25,7 @@ import android.graphics.Rect;
|
||||
import android.graphics.drawable.Drawable;
|
||||
import android.net.Uri;
|
||||
import android.provider.MediaStore;
|
||||
import android.widget.Toast;
|
||||
|
||||
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
|
||||
|
||||
@ -32,7 +33,9 @@ import org.apache.commons.lang3.ArrayUtils;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.util.ArrayList;
|
||||
@ -58,11 +61,14 @@ import nodomain.freeyourgadget.gadgetbridge.model.NotificationSpec;
|
||||
import nodomain.freeyourgadget.gadgetbridge.model.WeatherSpec;
|
||||
import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
|
||||
import nodomain.freeyourgadget.gadgetbridge.service.serial.GBDeviceProtocol;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.BitmapUtil;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.GB;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.GBPrefs;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.NotificationUtils;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.StringUtils;
|
||||
import nodomain.freeyourgadget.gadgetbridge.util.UriHelper;
|
||||
|
||||
public class PixooProtocol extends GBDeviceProtocol {
|
||||
private static final Logger LOG = LoggerFactory.getLogger(PixooProtocol.class);
|
||||
@ -357,10 +363,36 @@ public class PixooProtocol extends GBDeviceProtocol {
|
||||
|
||||
protected byte[] encodeShowFrame(Uri uri) {
|
||||
try {
|
||||
Bitmap bitmap = MediaStore.Images.Media.getBitmap(GBApplication.getContext().getContentResolver(), uri);
|
||||
return encodeShowFrame(bitmap);
|
||||
Bitmap bitmap = null;
|
||||
UriHelper uriHelper = null;
|
||||
try {
|
||||
uriHelper = UriHelper.get(uri, GBApplication.getContext());
|
||||
} catch (IOException e) {
|
||||
GB.toast(GBApplication.getContext(), "Could not open image: " + e.getMessage(), Toast.LENGTH_LONG, GB.ERROR, e);
|
||||
}
|
||||
if (uriHelper != null) {
|
||||
String fileName = AndroidUtils.getFilePath(GBApplication.getContext(), uri);
|
||||
if (fileName.endsWith(".gif") || fileName.endsWith(".GIF")) {
|
||||
|
||||
try (InputStream in = new BufferedInputStream(uriHelper.openInputStream())) {
|
||||
GifDecoder gifDecoder = new GifDecoder();
|
||||
gifDecoder.read(in, 4096);
|
||||
gifDecoder.advance();
|
||||
gifDecoder.advance();
|
||||
|
||||
bitmap = gifDecoder.getNextFrame();
|
||||
} catch (Exception e) {
|
||||
GB.toast(GBApplication.getContext(), "Could not open image: " + e.getMessage(), Toast.LENGTH_LONG, GB.ERROR, e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
bitmap = MediaStore.Images.Media.getBitmap(GBApplication.getContext().getContentResolver(), uri);
|
||||
}
|
||||
if (bitmap != null) {
|
||||
return encodeShowFrame(bitmap);
|
||||
}
|
||||
} catch (IOException e) {
|
||||
LOG.error("could not decode Image",e);
|
||||
LOG.error("could not decode Image", e);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user