android小应用帮美女更衣系列二(附源码)
点击ImageSwitcher显示的图片即可切换到为美女换衣全屏界面,手指在界面上滑动,滑动处的衣服就被褪掉了,很黄很暴力,大家要hold住呀!!
其实啊这个实现就是两张图片,一张底图,一张上面的图,上面的图都被抹掉了,下面的图就出来了,主要是PorterDuff和PorterDuffXfermode的利用,APIDEMO里面也有相关的介绍。好,贴出主要代码:
其实啊这个实现就是两张图片,一张底图,一张上面的图,上面的图都被抹掉了,下面的图就出来了,主要是PorterDuff和PorterDuffXfermode的利用,APIDEMO里面也有相关的介绍。好,贴出主要代码:
- package com.picture;
- import android.app.Activity;
- import android.content.Context;
- import android.content.Intent;
- import android.graphics.Bitmap;
- import android.graphics.Bitmap.Config;
- import android.graphics.BitmapFactory;
- import android.graphics.Canvas;
- import android.graphics.Paint;
- import android.graphics.Path;
- import android.graphics.PorterDuff;
- import android.graphics.PorterDuffXfermode;
- import android.media.MediaPlayer;
- import android.os.Bundle;
- import android.util.DisplayMetrics;
- import android.view.MotionEvent;
- import android.view.View;
- import android.view.WindowManager;
- public class RemoveClothActivity extends Activity {
- private int SCREEN_W;
- private int SCREEN_H;
- private int imagePosition;
- private MediaPlayer mp3Player;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置全屏
- Intent intent = getIntent();
- imagePosition = intent.getIntExtra("imagePosition", 0);
- initMP3Player();
- setContentView(new MyView(this));
- }
- private void initMP3Player(){
- mp3Player = MediaPlayer.create(RemoveClothActivity.this, R.raw.higirl);
- mp3Player.setLooping(false);
- }
- private void playMusic(){
- mp3Player.start();
- }
- class MyView extends View {
- private Bitmap mBitmap;
- private Canvas mCanvas;
- private Paint mPaint;
- private Path mPath;
- private float mX, mY;
- private static final float TOUCH_TOLERANCE = 4;
- public MyView(Context context) {
- super(context);
- setFocusable(true);
- setScreenWH();
- setBackGround();
- // 1.if icon1 is a image,you can open MENU_ITEM_COMMENT bellow
- // Bitmap bm = createBitmapFromSRC();
- // if you want to set icon1 image's alpha,you can open
- // MENU_ITEM_COMMENT bellow
- // bm = setBitmapAlpha(bm, 100);
- // if you want to scale icon1 image,you can open MENU_ITEM_COMMENT
- // bellow
- // bm = scaleBitmapFillScreen(bm);
- // 2.if icon1 is color
- // Bitmap bm = createBitmapFromARGB(0x8800ff00, SCREEN_W, SCREEN_H);
- int drawableId = 0;
- try {
- drawableId = R.drawable.class.getDeclaredField(
- "pre" + imagePosition).getInt(this);
- } catch (IllegalArgumentException e) {
- e.printStackTrace();
- } catch (SecurityException e) {
- e.printStackTrace();
- } catch (IllegalAccessException e) {
- e.printStackTrace();
- } catch (NoSuchFieldException e) {
- e.printStackTrace();
- }
- Bitmap bm = scaleBitmapFillScreen(BitmapFactory.decodeResource(getResources(), drawableId));
- seticon1Bitmap(bm);
- }
- private void setScreenWH() {
- // get screen info
- DisplayMetrics dm = new DisplayMetrics();
- dm = this.getResources().getDisplayMetrics();
- // get screen width
- int screenWidth = dm.widthPixels;
- // get screen height
- int screenHeight = dm.heightPixels;
- SCREEN_W = screenWidth;
- SCREEN_H = screenHeight;
- }
- private Bitmap createBitmapFromSRC() {
- return BitmapFactory.decodeResource(getResources(),
- R.drawable.icon1);
- }
- /**
- *
- * @param colorARGB
- * should like 0x8800ff00
- * @param width
- * @param height
- * @return
- */
- private Bitmap createBitmapFromARGB(int colorARGB, int width, int height) {
- int[] argb = new int[width * height];
- for (int i = 0; i < argb.length; i++) {
- argb[i] = colorARGB;
- }
- return Bitmap.createBitmap(argb, width, height, Config.ARGB_8888);
- }
- /**
- *
- * @param bm
- * @param alpha
- * ,and alpha should be like ox00000000-oxff000000
- * @note set bitmap's alpha
- * @return
- */
- /*
- * private Bitmap setBitmapAlpha(Bitmap bm, int alpha) { int[] argb =
- * new int[bm.getWidth() * bm.getHeight()]; bm.getPixels(argb, 0,
- * bm.getWidth(), 0, 0, bm.getWidth(), bm .getHeight());
- *
- *
- * for (int i = 0; i < argb.length; i++) {
- *
- * argb[i] = ((alpha) | (argb[i] & 0x00FFFFFF)); } return
- * Bitmap.createBitmap(argb, bm.getWidth(), bm.getHeight(),
- * Config.ARGB_8888); }
- */
- /**
- *
- * @param bm
- * @param alpha
- * ,alpha should be between 0 and 255
- * @note set bitmap's alpha
- * @return
- */
- private Bitmap setBitmapAlpha(Bitmap bm, int alpha) {
- int[] argb = new int[bm.getWidth() * bm.getHeight()];
- bm.getPixels(argb, 0, bm.getWidth(), 0, 0, bm.getWidth(),
- bm.getHeight());
- for (int i = 0; i < argb.length; i++) {
- argb[i] = ((alpha << 24) | (argb[i] & 0x00FFFFFF));
- }
- return Bitmap.createBitmap(argb, bm.getWidth(), bm.getHeight(),
- Config.ARGB_8888);
- }
- /**
- *
- * @param bm
- * @note if bitmap is smaller than screen, you can scale it fill the
- * screen.
- * @return
- */
- private Bitmap scaleBitmapFillScreen(Bitmap bm) {
- return Bitmap.createScaledBitmap(bm, SCREEN_W, SCREEN_H, true);
- }
- private void setBackGround(){
- int drawableId = 0;
- try {
- drawableId = R.drawable.class.getDeclaredField(
- "after" + imagePosition).getInt(this);
- } catch (IllegalArgumentException e) {
- e.printStackTrace();
- } catch (SecurityException e) {
- e.printStackTrace();
- } catch (IllegalAccessException e) {
- e.printStackTrace();
- } catch (NoSuchFieldException e) {
- e.printStackTrace();
- }
- setBackgroundResource(drawableId);
- }
- /**
- *
- * @param bm
- * @note set icon1 bitmap , which overlay on background.
- */
- private void seticon1Bitmap(Bitmap bm) {
- // setting paint
- mPaint = new Paint();
- mPaint.setAlpha(0);
- mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
- mPaint.setAntiAlias(true);
- mPaint.setDither(true);
- mPaint.setStyle(Paint.Style.STROKE);
- mPaint.setStrokeJoin(Paint.Join.ROUND);
- mPaint.setStrokeCap(Paint.Cap.ROUND);
- mPaint.setStrokeWidth(20);
- // set path
- mPath = new Path();
- ;
- // converting bitmap into mutable bitmap
- mBitmap = Bitmap.createBitmap(SCREEN_W, SCREEN_H, Config.ARGB_8888);
- mCanvas = new Canvas();
- mCanvas.setBitmap(mBitmap);
- // drawXY will result on that Bitmap
- // be sure parameter is bm, not mBitmap
- mCanvas.drawBitmap(bm, 0, 0, null);
- }
- @Override
- protected void onDraw(Canvas canvas) {
- canvas.drawBitmap(mBitmap, 0, 0, null);
- mCanvas.drawPath(mPath, mPaint);
- super.onDraw(canvas);
- }
- private void touch_start(float x, float y) {
- mPath.reset();
- mPath.moveTo(x, y);
- mX = x;
- mY = y;
- }
- private void touch_move(float x, float y) {
- float dx = Math.abs(x - mX);
- float dy = Math.abs(y - mY);
- if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {
- mPath.quadTo(mX, mY, (x + mX) / 2, (y + mY) / 2);
- mX = x;
- mY = y;
- }
- }
- private void touch_up() {
- mPath.lineTo(mX, mY);
- // commit the path to our offscreen
- mCanvas.drawPath(mPath, mPaint);
- // kill this so we don't double draw
- mPath.reset();
- }
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- float x = event.getX();
- float y = event.getY();
- switch (event.getAction()) {
- case MotionEvent.ACTION_DOWN:
- touch_start(x, y);
- invalidate();
- break;
- case MotionEvent.ACTION_MOVE:
- touch_move(x, y);
- invalidate();
- break;
- case MotionEvent.ACTION_UP:
- touch_up();
- invalidate();
- playMusic();
- break;
- }
- return true;
- }
- }
- }