android图片3D倾斜。如图

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Bitmap bit=Reflect3DImage.skewImage(bit, 50);
package com.maxway.util;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.graphics.Camera;import android.graphics.Canvas;import android.graphics.LinearGradient;import android.graphics.Matrix;import android.graphics.Paint;import android.graphics.PorterDuff;import android.graphics.PorterDuff.Mode;import android.graphics.PorterDuffXfermode;import android.graphics.Shader;import android.graphics.Shader.TileMode;public class Reflect3DImage{  public static Bitmap createReflectedImage(Bitmap paramBitmap, int paramInt)  {    int i = paramBitmap.getWidth();    int j = paramBitmap.getHeight();    Matrix localMatrix = new Matrix();    localMatrix.preScale(1.0F, -1.0F);    Bitmap localBitmap1 = Bitmap.createBitmap(paramBitmap, 0, j - paramInt, i, paramInt, localMatrix, false);    Bitmap localBitmap2 = Bitmap.createBitmap(i, j + paramInt, Bitmap.Config.ARGB_8888);    Canvas localCanvas = new Canvas(localBitmap2);    Paint localPaint1 = new Paint();    localCanvas.drawBitmap(paramBitmap, 0.0F, 0.0F, localPaint1);    localCanvas.drawBitmap(localBitmap1, 0.0F, j, localPaint1);    Paint localPaint2 = new Paint();    localPaint2.setShader(new LinearGradient(0.0F, paramBitmap.getHeight(), 0.0F, localBitmap2.getHeight(), 1895825407, 16777215, Shader.TileMode.MIRROR));    localPaint2.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));    localCanvas.drawRect(0.0F, j, i, localBitmap2.getHeight(), localPaint2);    localBitmap1.recycle();    return localBitmap2;  }  public static Bitmap skewImage(Bitmap paramBitmap, int paramInt)  {    Bitmap localBitmap1 = createReflectedImage(paramBitmap, paramInt);    Camera localCamera = new Camera();    localCamera.save();    Matrix localMatrix = new Matrix();    localCamera.rotateY(15.0F);    localCamera.getMatrix(localMatrix);    localCamera.restore();    localMatrix.preTranslate(-localBitmap1.getWidth() >> 1, -localBitmap1.getHeight() >> 1);    Bitmap localBitmap2 = Bitmap.createBitmap(localBitmap1, 0, 0, localBitmap1.getWidth(), localBitmap1.getHeight(), localMatrix, true);    Bitmap localBitmap3 = Bitmap.createBitmap(localBitmap2.getWidth(), localBitmap2.getHeight(), Bitmap.Config.ARGB_8888);    Canvas localCanvas = new Canvas(localBitmap3);    Paint localPaint = new Paint();    localPaint.setAntiAlias(true);    localPaint.setFilterBitmap(true);    localCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint);    localBitmap2.recycle();    return localBitmap3;  }}