Rotates a bitmap by some degrees - Android android.graphics

Android examples for android.graphics:Bitmap Operation

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Description

Rotates a bitmap by some degrees

Demo Code

import android.graphics.Bitmap;
import android.graphics.Matrix;

public class Main{

    /**/*w  ww.  j a  v a 2s .  c om*/
     * Rotates a bitmap by some degrees. The bmpSrc stays untouched and a new rotated
     * Bitmap gets created.
     * @param bmpSrc
     * @param degrees   new rotated Bitmap
     * @return
     */
    public static Bitmap rotate(Bitmap bmpSrc, int degrees) {
        int w = bmpSrc.getWidth();
        int h = bmpSrc.getHeight();
        Matrix mtx = new Matrix();
        mtx.postRotate(degrees);
        Bitmap bmpTrg = Bitmap.createBitmap(bmpSrc, 0, 0, w, h, mtx, true);
        return bmpTrg;
    }

}

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