public class MirrorView extends View {
?Paint m_paint;
?int m_nShadowH;
?Drawable m_dw;
?Bitmap m_bitmap;
?//xxxx
?Matrix mMatrix;
?int shadowHeight;
?public MirrorView(Context context, Bitmap bitmap) {
? super(context);
? m_bitmap = bitmap;
? _Init();
? // TODO Auto-generated constructor stub
?}
?private void _Init() {
? //m_dw = new BitmapDrawable(BitmapFactory.decodeResource(getResources(),? R.drawable.icon));
? m_dw = new BitmapDrawable(m_bitmap);
? m_dw.setBounds(0,0,m_dw.getIntrinsicWidth(),m_dw.getIntrinsicHeight());
? m_nShadowH = m_dw.getIntrinsicHeight()/1;
? m_paint = new Paint(Paint.ANTI_ALIAS_FLAG);
? LinearGradient lg = new LinearGradient(0, 0, 0, m_nShadowH, 0xB0FFFFFF, 0x00000000, Shader.TileMode.CLAMP);
? m_paint.setShader(lg);
? m_paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));?
? //xxxx
? mMatrix = new Matrix();
?}
?@Override
?public void onDraw(Canvas canvas) {
? super.onDraw(canvas);
? int nX = 0;
? int nY = 0;
? _DrawNormalImg(canvas, nX, nY);
? _DrawMirror(canvas, nX, nY);
?}
?private void _DrawNormalImg(Canvas canvas, int nX, int nY) {
? canvas.save(Canvas.MATRIX_SAVE_FLAG);
? canvas.translate(nX, nY);
? m_dw.draw(canvas);
? canvas.restore();
?}
?private void _DrawMirror(Canvas canvas, int nX, int nY) {
? int nW = m_dw.getIntrinsicWidth();
? int nH = m_dw.getIntrinsicHeight();
//? U.dout("nW="+nW+",nH="+nH);
? //xxxx
? shadowHeight=nH/2;
? //xxxx
? float[] src={0, nH, nW, nH, nW,nH - m_nShadowH, 0, nH - m_nShadowH};
? float[] dst={ 0, nH, nW, nH,nW, shadowHeight, 0, shadowHeight };
? //xxxx
? canvas.save();
? mMatrix.setPolyToPoly(src, 0, dst, 0, src.length >> 1);
? canvas.concat(mMatrix);
? //draw mirror image?
? canvas.save(Canvas.MATRIX_SAVE_FLAG);
? canvas.scale(1.0f, -1.0f);
? canvas.translate(nX, -(nY + nH * 2));
? canvas.clipRect(0, nH, nW, nH - m_nShadowH);
? m_dw.draw(canvas);
? canvas.restore();
? //draw mask?
? canvas.save();
? canvas.translate(nX, nY + nH);
? canvas.drawRect(0, 0, nW, m_nShadowH, m_paint);
? canvas.restore();
? //xxxx
? canvas.restore();
?}
}