Android about image zoom, rotation simple app

Turn right

private void Right () {//TODO auto-generated method Stubint BMPW = Bm.getwidth (), int bmph = Bm.getheight ();d ouble Scale =1; scalew = (float) (Scalew*scale);        Scaleh = (float) (Scaleh*scale);        Matrix Mt =new Matrix ();        Mt. Postscale (Scalew, Scaleh);                 Mt.setrotate (curdegrees=curdegrees+5);        Bitmap bitmap= bitmap.createbitmap (BM, 0, 0, BMPW, bmph, MT, true);        Iv.setimagebitmap (bitmap);}

Left

private void Left () {int BMPW = Bm.getwidth (), int bmph = Bm.getheight ();d ouble scale =1; scalew = (float) (Scalew*scale) ;        Scaleh = (float) (Scaleh*scale);        Matrix Mt =new Matrix ();        Mt. Postscale (Scalew, Scaleh);         Mt.setrotate (curdegrees=curdegrees-5);        Bitmap bitmap= bitmap.createbitmap (BM, 0, 0, BMPW, bmph, MT, true);        Iv.setimagebitmap (bitmap);}

Narrow

private void Small () {        int width  =bm.getwidth ();         int height = bm.getheight ();        Double scale  = 0.8;        scalew= (float) (scale*scalew); Scaleh = (float) (Scaleh*scale); Matrix Mt =new Matrix ();  Mt.postscale (Scalew, Scaleh); Bitmap resizebmp = Bitmap.createbitmap (bm,0,0,width,height,mt,true); Iv.setimagebitmap (resizebmp);}

Amplification

private void Big () {int BMPW = Bm.getwidth ();  int bmph = Bm.getheight (); Double scale =1.25;  Scalew = (float) (Scalew*scale);  Scaleh = (float) (Scaleh * scale); Matrix MT = new Matrix ();  Mt.postscale (Scalew, Scaleh); Bitmap BMP = Bitmap.createbitmap (BM, 0, 0, BMPW, bmph, MT, True); Iv.setimagebitmap (BMP);}

Android about image zoom, rotation simple app