Example usage for android.graphics Bitmap recycle

Introduction

In this page you can find the example usage for android.graphics Bitmap recycle.

Prototype

public void recycle()

Source Link

Document

Free the native object associated with this bitmap, and clear the reference to the pixel data.

Usage

From source file:Main.java

/**
 * // w  w w . ja  va 2  s.  co  m
 * @return Bitmap's RGBA byte array
 */
public static byte[] getImageRGBA(Bitmap inputBitmap) {
    Config config = inputBitmap.getConfig();
    ByteBuffer buffer;

    Bitmap bitmap;
    /**
     * if bitmap size is not 32*32 create scaled bitmap
     */

    if (inputBitmap.getWidth() != 32 || inputBitmap.getHeight() != 32) {
        Log.d(TAG, "bitmap resized to 32x32");
        bitmap = Bitmap.createScaledBitmap(inputBitmap, 32, 32, false);
    } else {
        bitmap = inputBitmap;
    }
    /**
     * if bitmap is not ARGB_8888 format, copy bitmap with ARGB_8888 format
     */
    if (!config.equals(Bitmap.Config.ARGB_8888)) {
        Bitmap bitmapARBG = bitmap.copy(Bitmap.Config.ARGB_8888, false);
        buffer = ByteBuffer.allocate(bitmapARBG.getByteCount());
        bitmapARBG.copyPixelsToBuffer(buffer);
        bitmapARBG.recycle();
    } else {
        buffer = ByteBuffer.allocate(bitmap.getByteCount());
        bitmap.copyPixelsToBuffer(buffer);
    }
    return buffer.array();
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap bitmap, int degress, boolean needRecycle) {
    Matrix m = new Matrix();
    m.postRotate(degress);/* www. jav  a 2  s .co  m*/
    Bitmap bm = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
    if (needRecycle) {
        bitmap.recycle();
    }
    return bm;
}

From source file:Main.java

public static byte[] bitmap2Bytes(Bitmap bm, Bitmap.CompressFormat format, int quality) {
    try {//from  w ww  .  ja v a2s  . co  m
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(format, quality, baos);
        return baos.toByteArray();
    } finally {
        bm.recycle();
    }
}

From source file:Main.java

public static Bitmap scale(Bitmap bitmap, float scale) {
    Matrix matrix = new Matrix();
    matrix.postScale(scale, scale);/*from ww  w . j a  v a  2s  .c  o  m*/
    Bitmap outBitmap = Bitmap.createBitmap(bitmap, 0, 0, (int) (bitmap.getWidth()), (int) (bitmap.getHeight()),
            matrix, true);
    bitmap.recycle();
    return outBitmap;
}

From source file:Main.java

public static byte[] bitmapToNV21(int inputWidth, int inputHeight, Bitmap bitmap) {
    int[] argb = new int[inputWidth * inputHeight];
    bitmap.getPixels(argb, 0, inputWidth, 0, 0, inputWidth, inputHeight);
    byte[] yuv = ARGBtoYUV420SemiPlanar(argb, inputWidth, inputHeight);
    bitmap.recycle();
    return yuv;//from ww w .j  a  v  a  2  s . c  o  m
}

From source file:Main.java

public static void saveRgb2Bitmap(IntBuffer buf, String filePath, int width, int height) {
    final int[] pixelMirroredArray = new int[width * height];
    Log.d("TryOpenGL", "Creating " + filePath);
    BufferedOutputStream bos = null;
    try {/*from   w  ww. ja  v  a 2s .  c  om*/
        int[] pixelArray = buf.array();
        // rotate 180 deg with x axis because y is reversed
        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                pixelMirroredArray[(height - i - 1) * width + j] = pixelArray[i * width + j];
            }
        }
        bos = new BufferedOutputStream(new FileOutputStream(filePath));
        Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bmp.copyPixelsFromBuffer(IntBuffer.wrap(pixelMirroredArray));
        bmp.compress(Bitmap.CompressFormat.JPEG, 90, bos);
        bmp.recycle();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:com.carlrice.reader.utils.UiUtils.java

static public Bitmap getScaledBitmap(byte[] iconBytes, int sizeInDp) {
    if (iconBytes != null && iconBytes.length > 0) {
        Bitmap bitmap = BitmapFactory.decodeByteArray(iconBytes, 0, iconBytes.length);
        if (bitmap != null && bitmap.getWidth() != 0 && bitmap.getHeight() != 0) {
            int bitmapSizeInDip = UiUtils.dpToPixel(sizeInDp);
            if (bitmap.getHeight() != bitmapSizeInDip) {
                Bitmap tmp = bitmap;
                bitmap = Bitmap.createScaledBitmap(tmp, bitmapSizeInDip, bitmapSizeInDip, false);
                tmp.recycle();
            }//ww w . ja va2 s  .c om

            return bitmap;
        }
    }

    return null;
}

From source file:Main.java

public static String getImageAsString(Bitmap bmp) {
    ByteArrayOutputStream bYtE = new ByteArrayOutputStream();

    bmp.compress(Bitmap.CompressFormat.JPEG, 100, bYtE);
    byte[] byteArray = bYtE.toByteArray();
    String image = Base64.encodeToString(byteArray, Base64.DEFAULT);
    bmp.recycle();
    Log.d("Converted TO : ", image);
    return image;
}

From source file:Main.java

public static Bitmap mirrorImage(@NonNull Bitmap resultBitmap) {
    Matrix matrix = new Matrix();
    matrix.preScale(-1.0f, 1.0f);//ww w.j  a v a  2  s.  c om

    Bitmap returnBitmap = Bitmap.createBitmap(resultBitmap, 0, 0, resultBitmap.getWidth(),
            resultBitmap.getHeight(), matrix, false);

    resultBitmap.recycle();

    return returnBitmap;
}

From source file:Main.java

private static Bitmap createScaledBitMap(Bitmap src, int destWidth, int destHeight) {
    // TODO Auto-generated method stub
    if (src == null) {
        return null;
    }//from w ww . j a  v  a  2  s .  c o m
    Bitmap dest = Bitmap.createScaledBitmap(src, destWidth, destHeight, false);
    if (dest != src) {
        src.recycle();
    }
    return dest;
}