Example usage for android.graphics Matrix postRotate

Introduction

In this page you can find the example usage for android.graphics Matrix postRotate.

Prototype

public boolean postRotate(float degrees)

Source Link

Document

Postconcats the matrix with the specified rotation.

Usage

From source file:Main.java

/**
 * Rotate the image./*from  w  w w.java 2  s .  co  m*/
 *
 * @param drawable
 */
public static BitmapDrawable rotateImage(BitmapDrawable drawable, int degree) {
    Bitmap bitmap = drawable.getBitmap();

    Matrix matrix = new Matrix();
    matrix.postRotate(degree);
    Bitmap rotatedBMP = Bitmap.createBitmap(drawable.getBitmap(), 0, 0, bitmap.getWidth(), bitmap.getHeight(),
            matrix, true);
    return new BitmapDrawable(rotatedBMP);
}

From source file:Main.java

public static Bitmap rotateImage(@NonNull Bitmap in, int angle) {
    Matrix mat = new Matrix();
    mat.postRotate(angle);
    return Bitmap.createBitmap(in, 0, 0, in.getWidth(), in.getHeight(), mat, true);
}

From source file:Main.java

public static Bitmap rotateImageView(int angle, Bitmap bitmap) {

    if (bitmap == null)
        return null;

    Matrix matrix = new Matrix();
    matrix.postRotate(angle);

    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,
            true);/*from w  w  w  .j a  v  a 2  s  .  c  o  m*/
    if (bitmap != null && !bitmap.isRecycled()) {
        bitmap = null;
    }
    // bitmap.recycle();
    return resizedBitmap;
}

From source file:Main.java

public static Bitmap yuv2bitmap(byte[] data, int width, int height) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    YuvImage yuvImage = new YuvImage(data, ImageFormat.NV21, width, height, null);
    yuvImage.compressToJpeg(new android.graphics.Rect(0, 0, width, height), 100, out);
    byte[] imageBytes = out.toByteArray();
    Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);

    // rotate//from w ww  . jav  a 2  s. com
    Matrix matrix = new Matrix();
    matrix.postRotate(90);
    Bitmap dst = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    return dst;
}

From source file:Main.java

public static Bitmap rotaingImageView(int paramInt, Bitmap paramBitmap) {
    Matrix localMatrix = new Matrix();
    localMatrix.postRotate(paramInt);
    return Bitmap.createBitmap(paramBitmap, 0, 0, paramBitmap.getWidth(), paramBitmap.getHeight(), localMatrix,
            true);//from  w  ww . j av  a  2  s  .  c  o  m
}

From source file:Main.java

public static Bitmap rotateBitmapDegree(Bitmap bm, int degree) {
    Bitmap returnBm;/* w ww  . ja  va  2  s  .  co  m*/
    int w = bm.getWidth();
    int h = bm.getHeight();

    Matrix matrix = new Matrix();
    matrix.postRotate(degree);

    returnBm = Bitmap.createBitmap(bm, 0, 0, w, h, matrix, true);

    if (bm != returnBm) {
        bm.recycle();
    }

    return returnBm;
}

From source file:Main.java

public static Bitmap correctOrientation(Bitmap bitmap, int orientation) {
    Matrix matrix = new Matrix();
    matrix.postRotate(orientation);
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap source, float angle) {
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);

    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap createBitmapFromByteArray(byte[] data, Size previewSize) {
    YuvImage yuvimage = new YuvImage(data, ImageFormat.NV21, previewSize.width, previewSize.height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvimage.compressToJpeg(new Rect(0, 0, previewSize.width, previewSize.height), 80, baos);
    byte[] jdata = baos.toByteArray();
    BitmapFactory.Options opt = new BitmapFactory.Options();
    opt.inMutable = true;//from  ww w.  j a  v a2s  .  c  om
    Bitmap bitmap = BitmapFactory.decodeByteArray(jdata, 0, jdata.length, opt);

    Matrix matrix = new Matrix();
    matrix.postRotate(-90);

    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap src, float degree) {
    // create new matrix
    Matrix matrix = new Matrix();
    // setup rotation degree
    matrix.postRotate(degree);
    Bitmap bmp = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
    return bmp;/* w ww.  jav  a  2s. c o m*/
}