Example usage for android.graphics BitmapFactory decodeByteArray

Introduction

In this page you can find the example usage for android.graphics BitmapFactory decodeByteArray.

Prototype

public static Bitmap decodeByteArray(byte[] data, int offset, int length) 

Source Link

Document

Decode an immutable bitmap from the specified byte array.

Usage

From source file:Main.java

public static Bitmap getCompressBitmap(Bitmap bitmap, File file, int quality, int fileSize) {
    Bitmap bmp = null;/*www.ja  v a2s. com*/
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    boolean result = bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
    LOG("getCompressBitmap result: " + result);
    try {
        if (file != null) {
            if (result) {
                byte[] bt = bos.toByteArray();

                FileOutputStream fos = new FileOutputStream(file);
                fos.write(bt);
                fos.close();

                LOG("file.length(): " + file.length());

                if (file.length() > fileSize) {
                    bmp = getCompressBitmap(bmp, file, (int) (quality * 0.8), fileSize);
                } else {
                    bmp = BitmapFactory.decodeFile(file.getPath());
                }
            }

        } else {
            bmp = BitmapFactory.decodeByteArray(bos.toByteArray(), 0, bos.size());
        }
        bos.close();
    } catch (Exception e) {
        LOG("getCompressBitmap result: e" + e.toString());
        e.printStackTrace();
        return null;
    }
    return bmp;
}

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From source file:Main.java

@SuppressLint("NewApi")
public static Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height, Context context) {

    TimingLogger timings = new TimingLogger(TIMING_LOG_TAG, "NV21ToRGBABitmap");

    Rect rect = new Rect(0, 0, width, height);

    try {/* ww w. j ava 2 s  . c  o  m*/
        Class.forName("android.renderscript.Element$DataKind").getField("PIXEL_YUV");
        Class.forName("android.renderscript.ScriptIntrinsicYuvToRGB");
        byte[] imageData = nv21;
        if (mRS == null) {
            mRS = RenderScript.create(context);
            mYuvToRgb = ScriptIntrinsicYuvToRGB.create(mRS, Element.U8_4(mRS));
            Type.Builder tb = new Type.Builder(mRS,
                    Element.createPixel(mRS, Element.DataType.UNSIGNED_8, Element.DataKind.PIXEL_YUV));
            tb.setX(width);
            tb.setY(height);
            tb.setMipmaps(false);
            tb.setYuvFormat(ImageFormat.NV21);
            ain = Allocation.createTyped(mRS, tb.create(), Allocation.USAGE_SCRIPT);
            timings.addSplit("Prepare for ain");
            Type.Builder tb2 = new Type.Builder(mRS, Element.RGBA_8888(mRS));
            tb2.setX(width);
            tb2.setY(height);
            tb2.setMipmaps(false);
            aOut = Allocation.createTyped(mRS, tb2.create(), Allocation.USAGE_SCRIPT & Allocation.USAGE_SHARED);
            timings.addSplit("Prepare for aOut");
            bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
            timings.addSplit("Create Bitmap");
        }
        ain.copyFrom(imageData);
        timings.addSplit("ain copyFrom");
        mYuvToRgb.setInput(ain);
        timings.addSplit("setInput ain");
        mYuvToRgb.forEach(aOut);
        timings.addSplit("NV21 to ARGB forEach");
        aOut.copyTo(bitmap);
        timings.addSplit("Allocation to Bitmap");
    } catch (Exception e) {
        YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
        timings.addSplit("NV21 bytes to YuvImage");

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(rect, 90, baos);
        byte[] cur = baos.toByteArray();
        timings.addSplit("YuvImage crop and compress to Jpeg Bytes");

        bitmap = BitmapFactory.decodeByteArray(cur, 0, cur.length);
        timings.addSplit("Jpeg Bytes to Bitmap");
    }

    timings.dumpToLog();
    return bitmap;
}

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From source file:com.vk.sdk.api.httpClient.VKImageOperation.java

/**
 * Set listener for current operation//from w  w  w. jav  a  2  s . com
 * @param listener Listener subclasses VKHTTPOperationCompleteListener
 */
public void setImageOperationListener(final VKImageOperationListener listener) {
    this.setCompleteListener(new VKOperationCompleteListener() {
        @Override
        public void onComplete() {
            if (VKImageOperation.this.state() != VKOperationState.Finished || mLastException != null) {
                listener.onError(VKImageOperation.this, generateError(mLastException));
            } else {
                byte[] response = getResponseData();
                Bitmap captchaImage = BitmapFactory.decodeByteArray(response, 0, response.length);
                if (imageDensity > 0) {
                    captchaImage = Bitmap.createScaledBitmap(captchaImage,
                            (int) (captchaImage.getWidth() * imageDensity),
                            (int) (captchaImage.getHeight() * imageDensity), true);
                }
                final Bitmap result = captchaImage;
                new Handler(Looper.getMainLooper()).post(new Runnable() {
                    @Override
                    public void run() {
                        listener.onComplete(VKImageOperation.this, result);
                    }
                });
            }
        }
    });
}

---

From source file:ca.christophersaunders.tutorials.sqlite.picasa.PicasaImage.java

public Bitmap getImage() {
    if (image == null && imageLocation != null) {
        getImageBytes();//from w  ww  .  jav  a  2 s . co m
        image = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
    }
    return image;
}

---

From source file:com.android.dialer.lookup.yellowpages.YellowPagesReverseLookup.java

/**
 * Lookup image//from  w w  w.  j  a  v  a 2 s .  c  o m
 *
 * @param context The application context
 * @param uri The image URI
 */
public Bitmap lookupImage(Context context, Uri uri) {
    if (uri == null) {
        throw new NullPointerException("URI is null");
    }

    Log.e(TAG, "Fetching " + uri);

    String scheme = uri.getScheme();

    if (scheme.startsWith("http")) {
        HttpClient client = new DefaultHttpClient();
        HttpGet request = new HttpGet(uri.toString());

        try {
            HttpResponse response = client.execute(request);

            int responseCode = response.getStatusLine().getStatusCode();

            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.getEntity().writeTo(out);
            byte[] responseBytes = out.toByteArray();

            if (responseCode == HttpStatus.SC_OK) {
                Bitmap bmp = BitmapFactory.decodeByteArray(responseBytes, 0, responseBytes.length);
                return bmp;
            }
        } catch (IOException e) {
            Log.e(TAG, "Failed to retrieve image", e);
        }
    } else if (scheme.equals(ContentResolver.SCHEME_CONTENT)) {
        try {
            ContentResolver cr = context.getContentResolver();
            Bitmap bmp = BitmapFactory.decodeStream(cr.openInputStream(uri));
            return bmp;
        } catch (FileNotFoundException e) {
            Log.e(TAG, "Failed to retrieve image", e);
        }
    }

    return null;
}

---

From source file:com.strato.hidrive.api.bll.file.GetThumbnailGateway.java

@Override
protected ResponseHandler<String> createResponseHandler() {
    super.createResponseHandler();
    return new ResponseHandler<String>() {
        @Override/*from w ww  .j  a va 2s  .  com*/
        public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == HttpStatus.SC_OK) {
                HttpEntity entity = response.getEntity();
                byte[] bytes = EntityUtils.toByteArray(entity);
                bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
            }
            return DONE_JSON_RESULT;
        }
    };
}

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From source file:com.grouzen.android.serenity.Response.java

public Bitmap toBitmap() {
    return BitmapFactory.decodeByteArray(mData, 0, mData.length);
}

---

From source file:Main.java

static public Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height) {
    YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, baos);
    byte[] cur = baos.toByteArray();
    return BitmapFactory.decodeByteArray(cur, 0, cur.length);
}

---

From source file:com.coodesoft.notee.MyImageGetter.java

@Override
public Drawable getDrawable(String source) {
    Drawable d = null;/*from  w  w  w .  j  a  v a  2 s .c  o m*/

    String strSrcLeft5 = source.substring(0, 5);

    // data
    if (strSrcLeft5.equalsIgnoreCase("data:")) {
        InputStream is = new ByteArrayInputStream(source.getBytes());

        //d = Drawable.createFromStream(is, null);
        //d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

        //Bitmap dBitmap = BitmapFactory.decodeByteArray(data, 0, length);
        int nPosComma = source.indexOf(',');
        if (nPosComma > 0) {
            byte[] arrBuffer = Base64.decode(source.substring(nPosComma + 1), Base64.DEFAULT);
            //byte[] arrBuffer = Base64Coder.decode(source.substring(nPosComma + 1));
            Bitmap dBitmap = BitmapFactory.decodeByteArray(arrBuffer, 0, arrBuffer.length);
            d = new BitmapDrawable(dBitmap);
            d.setBounds(0, 0, dBitmap.getWidth(), dBitmap.getHeight());
        }

    } else {
        // url

        try {

            InputStream is = (InputStream) new URL(source).getContent();
            Bitmap dBitmap = BitmapFactory.decodeStream(is);
            if (dBitmap == null) {
                d = Resources.getSystem().getDrawable(android.R.drawable.picture_frame);
            } else {
                d = new BitmapDrawable(dBitmap);
                d.setBounds(0, 0, dBitmap.getWidth(), dBitmap.getHeight());
            }

            d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

        /*
         URLDrawable urlDrawable = new URLDrawable();
                
         // get the actual source
         ImageGetterAsyncTask asyncTask = 
        new ImageGetterAsyncTask( urlDrawable);
                
         asyncTask.execute(source);
                
         // return reference to URLDrawable where I will change with actual image from
         // the src tag
         return urlDrawable;
         */

    }

    return d;
}

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From source file:com.ferjuarez.androidthingsdemo.PhotoEntryAdapter.java

@Override
protected void populateViewHolder(DoorbellEntryViewHolder viewHolder, PhotoEntry model, int position) {
    // Display the timestamp
    if (model != null && model.getTimestamp() != null) {
        CharSequence prettyTime = DateUtils.getRelativeDateTimeString(mApplicationContext, model.getTimestamp(),
                DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
        viewHolder.time.setText(prettyTime);

        // Display the image
        if (model.getThumbnail() != null) {
            // Decode image data encoded by the Cloud Vision library
            byte[] imageBytes = Base64.decode(model.getThumbnail(), Base64.NO_WRAP | Base64.URL_SAFE);
            Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
            if (bitmap != null) {
                viewHolder.image.setImageBitmap(bitmap);
            } else {
                Drawable placeholder = ContextCompat.getDrawable(mApplicationContext, R.mipmap.ic_launcher);
                viewHolder.image.setImageDrawable(placeholder);
            }//from w ww.j  a v  a2  s .c om
        }
    }

    // Display the metadata
    /*if (model.getAnnotations() != null) {
    ArrayList<String> keywords = new ArrayList<>(model.getAnnotations().keySet());
            
    int limit = Math.min(keywords.size(), 3);
    viewHolder.metadata.setText(TextUtils.join("\n", keywords.subList(0, limit)));
    } else {
    viewHolder.metadata.setText("no annotations yet");
    }*/
}

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