Example usage for android.graphics Bitmap createBitmap

Introduction

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

Prototype

public static Bitmap createBitmap(@NonNull DisplayMetrics display, @NonNull @ColorInt int[] colors, int offset,
        int stride, int width, int height, @NonNull Config config)

Source Link

Document

Returns a immutable bitmap with the specified width and height, with each pixel value set to the corresponding value in the colors array.

Usage

From source file:Main.java

/**
 * @param bitmap/* www .j a  va 2s . co  m*/
 * @param matrix
 * @return
 * Function to get a square image once cropped from a rectangular image..
 */
public static Bitmap getSquareImage(Bitmap bitmap, Matrix matrix) {
    if (bitmap.getWidth() >= bitmap.getHeight()) {
        return Bitmap.createBitmap(bitmap, bitmap.getWidth() / 2 - bitmap.getHeight() / 2, 0,
                bitmap.getHeight(), bitmap.getHeight(), matrix, false);
    } else {
        return Bitmap.createBitmap(bitmap, 0, bitmap.getHeight() / 2 - bitmap.getWidth() / 2, bitmap.getWidth(),
                bitmap.getWidth(), matrix, false);
    }
}

From source file:Main.java

public final static Bitmap rotate(Bitmap b, float degrees) {
    if (degrees != 0 && b != null) {
        Matrix m = new Matrix();
        m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);

        Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
        if (b != b2) {
            b.recycle();/* w  w w  .ja v a 2 s  . c  o m*/
            b = b2;
        }

    }
    return b;
}

From source file:Main.java

/**
 * @param b//from w w w  .  j a  v  a 2  s  . c  om
 * @param rotateDegree
 * @return
 */
public static Bitmap getRotateBitmap(Bitmap b, float rotateDegree) {
    Matrix matrix = new Matrix();
    matrix.postRotate(rotateDegree);
    int width = b.getWidth();
    int height = b.getHeight();
    return Bitmap.createBitmap(b, 0, 0, width, height, matrix, false);
}

From source file:Main.java

/**
 * Method to flip vertically a Bitmap./*from   w ww.  j a va 2s  . c o m*/
 *
 * @param source The original Bitmap.
 * @return The flipped Bitmap.
 */
public static Bitmap flipVertically(Bitmap source) {
    Matrix m = new Matrix();
    m.preScale(1, -1);
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), m, false);
}

From source file:Main.java

private static Bitmap resizeBitmap(Bitmap bmp, float width, float height) {
    float xscale = width / bmp.getWidth();
    float yscale = height / bmp.getHeight();
    Matrix matrix = new Matrix();
    // resize original image
    matrix.postScale(xscale, yscale);//  w ww  .  j  ava 2  s. c o  m
    Bitmap dstbmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
    return dstbmp;
}

From source file:Main.java

/**
 * Method using rotate photo.//  ww  w .j a va2 s  .c  o  m
 *
 * @param bitmap Value bitmap current.
 * @param angle  Value angle.
 * @return Bitmap.
 */
private static Bitmap rotateImage(Bitmap bitmap, float angle) {
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);

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

From source file:Main.java

/**
 * Method to flip horizontally a Bitmap.
 *
 * @param source The original Bitmap.//from  w  ww  .  ja  v a 2 s.  com
 * @return The flipped Bitmap.
 */
public static Bitmap flipHorizonally(Bitmap source) {
    Matrix m = new Matrix();
    m.setScale(-1, 1);
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), m, false);
}

From source file:Main.java

public static Bitmap ScaleAndRotateBitmap(Bitmap bitmap, int rotation, int flipHorizontal) {
    Matrix m = new Matrix();
    if (flipHorizontal != 0) {
        m.postScale(-1, 1);/* w w w  . j  a  va2  s. c  o m*/
    }
    if (rotation != 0) {
        m.postRotate(rotation);
    }
    Bitmap finalBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
    if (finalBitmap != bitmap) {
        bitmap.recycle();
    }
    return finalBitmap;
}

From source file:Main.java

public static WeakReference<Bitmap> rotateBitmap(WeakReference<Bitmap> bitmap, int degress) {
    if (bitmap == null || bitmap.get() == null)
        return null;
    Matrix m = new Matrix();
    m.postRotate(degress);/*w  w w . ja  v  a 2  s . c  o m*/
    return new WeakReference<Bitmap>(Bitmap.createBitmap(bitmap.get(), 0, 0, bitmap.get().getWidth(),
            bitmap.get().getHeight(), m, true));
}

From source file:Main.java

public static Bitmap getTotateBitmap(Bitmap bitmap, int orientation) {
    Matrix matrix = new Matrix();

    switch (orientation) {
    case ExifInterface.ORIENTATION_ROTATE_90: {
        matrix.setRotate(90);/* w  w  w.  j  a va2  s.co m*/
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    }
        break;
    case ExifInterface.ORIENTATION_ROTATE_180: {
        matrix.setRotate(180);
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    }
        break;
    case ExifInterface.ORIENTATION_ROTATE_270: {
        matrix.setRotate(270);
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    }
        break;
    default:
        break;
    }
    return bitmap;
}