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 byte[] resize(byte[] picArray, int size, boolean faceDetect) {
    if (picArray == null) {
        return null;
    }/*from   ww  w.j a v  a 2s.c om*/
    Bitmap pic = BitmapFactory.decodeByteArray(picArray, 0, picArray.length);
    if (pic == null) {
        return null;
    }

    size = Math.min(size, Math.min(pic.getHeight(), pic.getWidth()));
    if (size % 2 != 0)
        size--;
    Log.i("sizes", "old width:" + pic.getWidth() + " old height:" + pic.getHeight() + " new size:" + size);
    Bitmap scaledPic = scale(pic, size);

    int width = scaledPic.getWidth();
    int height = scaledPic.getHeight();

    //if pic is already square, we are done now
    if (width == height) {
        return bitmapToBytes(scaledPic);
    }

    PointF mid = null;
    int cropcenter;

    if (faceDetect)
        mid = findFaceMid(scaledPic);

    Bitmap out;
    if (width > height) {
        if (mid != null)
            cropcenter = Math.max(size / 2, Math.min((int) Math.floor(mid.y), width - size / 2));
        else
            cropcenter = width / 2;
        Log.i("CROPPING", "width:" + width + " center:" + cropcenter + " size:" + size + " left edge:"
                + (cropcenter - size / 2) + " right edge:" + (cropcenter + size / 2));
        out = Bitmap.createBitmap(scaledPic, cropcenter - size / 2, 0, size, size);
    } else {
        if (mid != null)
            cropcenter = Math.max(size / 2, Math.min((int) Math.floor(mid.x), height - size / 2));
        else
            cropcenter = height / 2;
        out = Bitmap.createBitmap(scaledPic, 0, 0, size, size);
    }

    return bitmapToBytes(out);
}

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From source file:Main.java

/**
 * Load Bitmap from a url//  w  w w .  j ava 2s. c om
 * @param url   bitmap url to be loaded
 * @return Bitmap object, null if could not be loaded
 */
public static Bitmap loadBitmap(String url) {
    Bitmap bitmap = null;
    InputStream is = null;
    BufferedOutputStream bos = null;
    try {
        is = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bos = new BufferedOutputStream(baos, IO_BUFFER_SIZE);
        copyStream(is, bos);
        bos.flush();
        final byte[] data = baos.toByteArray();
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "IOException in loadBitmap");
        e.printStackTrace();
    } catch (OutOfMemoryError e) {
        // TODO Auto-generated catch block
        Log.e(TAG, "OutOfMemoryError in loadBitmap");
        e.printStackTrace();
    } finally {
        closeStream(is);
        closeStream(bos);
    }
    return bitmap;
}

---

From source file:Main.java

/**
 * Loads a bitmap from the specified url. This can take a while, so it should not
 * be called from the UI thread.//from  w ww .j  av  a2  s .c o m
 *
 * @param url The location of the bitmap asset
 *
 * @return The bitmap, or null if it could not be loaded
 */
public static Bitmap loadBitmap(String url) {
    Bitmap bitmap = null;
    InputStream in = null;
    BufferedOutputStream out = null;

    try {
        in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
        copy(in, out);
        out.flush();

        final byte[] data = dataStream.toByteArray();
        //            BitmapFactory.Options options = new BitmapFactory.Options();
        //            options.inSampleSize = 2;
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
    } catch (IOException e) {
        Log.e(TAG, "Could not load Bitmap from: " + url);
    } finally {
        closeStream(in);
        closeStream(out);
    }

    return bitmap;
}

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From source file:Main.java

public static Bitmap decodeYUV420SP(byte[] rgbBuf, byte[] yuv420sp, int width, int height) {
    final int frameSize = width * height;
    if (rgbBuf == null)
        throw new NullPointerException("buffer 'rgbBuf' is null");
    if (rgbBuf.length < frameSize * 3)
        throw new IllegalArgumentException(
                "buffer 'rgbBuf' size " + rgbBuf.length + " < minimum " + frameSize * 3);

    if (yuv420sp == null)
        throw new NullPointerException("buffer 'yuv420sp' is null");

    if (yuv420sp.length < frameSize * 3 / 2)
        throw new IllegalArgumentException(
                "buffer 'yuv420sp' size " + yuv420sp.length + " < minimum " + frameSize * 3 / 2);

    int i = 0, y = 0;
    int uvp = 0, u = 0, v = 0;
    int y1192 = 0, r = 0, g = 0, b = 0;

    for (int j = 0, yp = 0; j < height; j++) {
        uvp = frameSize + (j >> 1) * width;
        u = 0;//from   w ww .  j  a v a2  s  .com
        v = 0;
        for (i = 0; i < width; i++, yp++) {
            y = (0xff & ((int) yuv420sp[yp])) - 16;
            if (y < 0)
                y = 0;
            if ((i & 1) == 0) {
                v = (0xff & yuv420sp[uvp++]) - 128;
                u = (0xff & yuv420sp[uvp++]) - 128;
            }

            y1192 = 1192 * y;
            r = (y1192 + 1634 * v);
            g = (y1192 - 833 * v - 400 * u);
            b = (y1192 + 2066 * u);

            if (r < 0)
                r = 0;
            else if (r > 262143)
                r = 262143;
            if (g < 0)
                g = 0;
            else if (g > 262143)
                g = 262143;
            if (b < 0)
                b = 0;
            else if (b > 262143)
                b = 262143;

            rgbBuf[yp * 3] = (byte) (r >> 10);
            rgbBuf[yp * 3 + 1] = (byte) (g >> 10);
            rgbBuf[yp * 3 + 2] = (byte) (b >> 10);
        }
    }
    return BitmapFactory.decodeByteArray(rgbBuf, 0, rgbBuf.length);
}

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From source file:com.royclarkson.springagram.model.ItemResource.java

public void setImage(String imageDataUri) {
    String imageDataString = imageDataUri.substring(imageDataUri.indexOf(",") + 1);
    byte[] imageData = Base64.decode(imageDataString, Base64.DEFAULT);
    Bitmap original = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
    this.image = ThumbnailUtils.extractThumbnail(original, IMAGE_WIDTH, IMAGE_HEIGHT);
    this.thumbnail = ThumbnailUtils.extractThumbnail(original, THUMBNAIL_WIDTH, THUMBNAIL_HEIGHT);
}

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From source file:mr.robotto.engine.loader.file.MrMrrLoader.java

private Bitmap loadTextureData() throws IOException {
    int numBytes = readInt32BE();
    readEOL();//from  w ww  .  ja v a 2  s. c o  m
    byte[] image = new byte[numBytes];
    mStream.readFully(image);
    readEOL();
    Bitmap bitmap = BitmapFactory.decodeByteArray(image, 0, image.length);
    return bitmap;
}

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From source file:com.gsoc.ijosa.liquidgalaxycontroller.PW.Utils.java

public static Bitmap getBitmapIcon(PhysicalWebCollection pwCollection, PwsResult pwsResult) {
    byte[] iconBytes = pwCollection.getIcon(pwsResult.getIconUrl());
    if (iconBytes == null) {
        return null;
    }/*from  ww w.  j a va  2  s .c o m*/
    return BitmapFactory.decodeByteArray(iconBytes, 0, iconBytes.length);
}

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From source file:com.HumanDecisionSupportSystemsLaboratory.DD_P2P.ImageFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

    iv = new ImageView(getActivity());
    byte[] icon = getArguments().getByteArray(EXTRA_IMAGE_BYTE_ARRAY);
    Bitmap bmp = BitmapFactory.decodeByteArray(icon, 0, icon.length - 1);
    LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
    iv.setLayoutParams(params);// ww w. j  a va2s.c  o m
    iv.setImageBitmap(bmp);
    return iv;
}

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From source file:com.cnm.cnmrc.fragment.search.SearchVodDetail.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View layout = inflater.inflate(R.layout.search_vod_detail, container, false);

    Bundle bundle = getArguments().getBundle("bundle");

    byte[] logoImage = bundle.getByteArray("logoImg");
    String title = bundle.getString("title");
    String hd = bundle.getString("hd");
    String grade = bundle.getString("grade");
    String director = bundle.getString("director");
    String actor = bundle.getString("actor");
    String price = bundle.getString("price");
    String contents = bundle.getString("contents");

    Bitmap bmp = BitmapFactory.decodeByteArray(logoImage, 0, logoImage.length);
    ImageView logoImg = (ImageView) layout.findViewById(R.id.logo_img);
    logoImg.setImageBitmap(bmp);//from w  w w. j av  a 2 s.  c o m

    if (title != null)
        ((TextView) layout.findViewById(R.id.title)).setText(title);
    if (hd != null) {
        if (hd.equalsIgnoreCase("yes"))
            ((ImageView) layout.findViewById(R.id.hd_icon)).setVisibility(View.VISIBLE);
    }
    if (grade != null)
        ((ImageView) layout.findViewById(R.id.grade_icon)).setBackgroundResource(Util.getGrade(grade));
    if (director != null)
        ((TextView) layout.findViewById(R.id.director_name)).setText(" " + director);
    if (actor != null)
        ((TextView) layout.findViewById(R.id.actor_name)).setText(" " + actor);
    if (grade != null)
        ((TextView) layout.findViewById(R.id.grade_text)).setText(" " + grade);
    if (price != null)
        ((TextView) layout.findViewById(R.id.price_amount)).setText(" " + price);
    if (contents != null)
        ((TextView) layout.findViewById(R.id.contents)).setText(contents);

    return layout;
}

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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 {/*w  w  w . j  a v  a  2s  . c  om*/
        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, Bitmap.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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