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 GetLocalOrNetBitmap(String url) {
    Bitmap bitmap = null;/*  w w w . j  a  va2s  .c o m*/
    InputStream in = null;
    BufferedOutputStream out = null;
    try {
        in = new BufferedInputStream(new URL(url).openStream(), 1024);
        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, 1024);
        copy(in, out);
        out.flush();
        byte[] data = dataStream.toByteArray();
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
        data = null;
        return bitmap;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

private static byte[] resizeImage(byte[] input, int length) {
    Bitmap original = BitmapFactory.decodeByteArray(input, 0, input.length);
    Bitmap resized = Bitmap.createScaledBitmap(original, length, length, true);

    ByteArrayOutputStream blob = new ByteArrayOutputStream();
    resized.compress(Bitmap.CompressFormat.JPEG, 100, blob);

    return blob.toByteArray();
}

From source file:Main.java

public static Bitmap readBitmapAttribute(XmlPullParser in, String name) {
    final byte[] value = readByteArrayAttribute(in, name);
    if (value != null) {
        return BitmapFactory.decodeByteArray(value, 0, value.length);
    } else {//from  w  w  w  .  j a  va  2  s  .c om
        return null;
    }
}

From source file:Main.java

public static Bitmap loadImageFromUrl(String url) {
    ByteArrayOutputStream out = null;
    Bitmap bitmap = null;//  ww  w .  j  av a  2s.  c o m
    int BUFFER_SIZE = 1024 * 8;
    try {
        BufferedInputStream in = new BufferedInputStream(new URL(url).openStream(), BUFFER_SIZE);
        out = new ByteArrayOutputStream(BUFFER_SIZE);
        int length = 0;
        byte[] tem = new byte[BUFFER_SIZE];
        length = in.read(tem);
        while (length != -1) {
            out.write(tem, 0, length);
            out.flush();
            length = in.read(tem);
        }
        in.close();
        if (out.toByteArray().length != 0) {
            bitmap = BitmapFactory.decodeByteArray(out.toByteArray(), 0, out.size());
        } else {
            out.close();
            return null;
        }
        out.close();
    } catch (OutOfMemoryError e) {

        out.reset();
        BitmapFactory.Options opts = new BitmapFactory.Options();
        opts.inSampleSize = 2;
        opts.inJustDecodeBounds = false;
        bitmap = BitmapFactory.decodeByteArray(out.toByteArray(), 0, out.size(), opts);
        return bitmap;
    } catch (Exception e) {

        return bitmap;
    }
    return bitmap;
}

From source file:Main.java

/**
 * Converts given array of bytes to {@link Bitmap}
 *
 * @param imageBlob array of bytes with raw image data
 *
 * @return {@link Bitmap} created from <tt>imageBlob</tt>
 */// w  w w  .  j a v a 2  s .  c o m
static public Bitmap bitmapFromBytes(byte[] imageBlob) {
    if (imageBlob != null) {
        return BitmapFactory.decodeByteArray(imageBlob, 0, imageBlob.length);
    }
    return null;
}

From source file:Main.java

public static Bitmap getBitmapFromURL(String urlString) {
    Bitmap bitmap = null;//  www .  ja  va2  s. c om
    InputStream in = null;
    BufferedOutputStream out = null;
    try {
        in = new BufferedInputStream(new URL(urlString).openStream(), 1024 * 4);
        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, 1024 * 4);
        byte[] buffer = new byte[1024];
        int len = -1;
        while ((len = in.read(buffer)) != -1) {
            out.write(buffer, 0, len);
        }
        out.flush();
        byte[] data = dataStream.toByteArray();
        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
        data = null;
        return bitmap;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            in.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getAndSetBitmapFromNet(String urlPath) {

    Bitmap bm = null;//w ww. j a v a  2 s.c o m

    if (urlPath != null) {
        try {
            BufferedInputStream bis = new BufferedInputStream(new URL(urlPath).openStream(), 1024);
            final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
            BufferedOutputStream out = new BufferedOutputStream(dataStream, 1024);
            copy(bis, out);
            out.flush();
            final byte[] data = dataStream.toByteArray();
            bm = BitmapFactory.decodeByteArray(data, 0, data.length);
            Log.i(I, "data.length: " + data.length);
            out.close();
            dataStream.close();
            bis.close();
            bm = processBitmap(bm);
        } catch (IOException e) {
            Log.i(I, "URL Connection or Bitmap processing Exception");
            e.printStackTrace();
        }
    }
    return bm;
}

From source file:Main.java

/**
 * Decode bitmap from byte array//  ww w .  jav  a  2  s . com
 *
 * @param bytes the byte array
 * @return the bitmap
 */
public static Bitmap getBitmap(@NonNull byte[] bytes) {
    return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
}

From source file:Main.java

/**
 * Decodes a string into a Bitmap//  ww w .  j  a va 2  s . c o m
 *
 * @param input String to decode
 * @return decoded Bitmap
 */
private static Bitmap decodeBitmap(String input) {
    byte[] decodedByte = Base64.decode(input, 0);
    return BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length);
}

From source file:Main.java

/**
 * From original Android Camera App//from  w  w w  . ja v a 2s.  com
 * See: http://android.git.kernel.org/?p=platform/packages/apps/Camera.git;a=blob;f=src/com/android/camera/ImageManager.java;h=76a6d1dffdcfb91f2c55032ce14f7cd9ecf7962c;hb=HEAD
 * @param imageData
 * @param quality
 * @param filename
 * @return
 */
public static boolean StoreByteImage(byte[] imageData, int quality, String filename) {
    String directory = storageTarget + "/FreqCap";
    Bitmap source = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);

    OutputStream outputStream = null;
    String filePath = directory + "/" + filename;
    try {
        File dir = new File(directory);
        if (!dir.exists())
            dir.mkdirs();
        File file = new File(directory, filename);
        outputStream = new FileOutputStream(file);
        if (source != null) {
            source.compress(CompressFormat.JPEG, picCompression, outputStream);
        } else {
            outputStream.write(imageData);
            // degree[0] = getExifOrientation(filePath);
        }
        //         outputStream.flush();
        //         outputStream.close();
        Log.e(TAG, file.getAbsolutePath());
    } catch (FileNotFoundException ex) {
        Log.w(TAG, ex);
        return false;
    } catch (IOException ex) {
        Log.w(TAG, ex);
        return false;
    } finally {
        closeSilently(outputStream);
    }
    return true;
}