一个仿WIN8磁帖效果的ImageView

来源：互联网发布：js关闭frame页面跳转编辑：程序博客网时间：2024/06/06 20:23

    import android.content.Context;      import android.graphics.Camera;      import android.graphics.Canvas;      import android.graphics.Matrix;      import android.graphics.Paint;      import android.graphics.PaintFlagsDrawFilter;      import android.graphics.drawable.BitmapDrawable;      import android.graphics.drawable.Drawable;      import android.os.Handler;      import android.os.Message;      import android.util.AttributeSet;      import android.view.MotionEvent;      import android.widget.ImageView;            public class MyImageView extends ImageView {                private boolean onAnimation = true;          private int rotateDegree = 10;                private boolean isFirst = true;          private float minScale = 0.95f;          private int vWidth;          private int vHeight;          private boolean isFinish = true,isActionMove=false,isScale=false;          private Camera camera;                boolean XbigY = false;          float RolateX = 0;          float RolateY = 0;                OnViewClick onclick=null;                    public MyImageView(Context context) {              super(context);              // TODO Auto-generated constructor stub              camera = new Camera();          }                public MyImageView(Context context, AttributeSet attrs) {              super(context, attrs);              // TODO Auto-generated constructor stub              camera = new Camera();          }                public void SetAnimationOnOff(boolean oo) {              onAnimation = oo;          }          public void setOnClickIntent(OnViewClick onclick){              this.onclick=onclick;          }          @Override          protected void onDraw(Canvas canvas) {              super.onDraw(canvas);              if (isFirst) {                  isFirst = false;                  init();              }              canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG                      | Paint.FILTER_BITMAP_FLAG));          }                public void init() {              vWidth = getWidth() - getPaddingLeft() - getPaddingRight();              vHeight = getHeight() - getPaddingTop() - getPaddingBottom();              Drawable drawable = getDrawable();              BitmapDrawable bd = (BitmapDrawable) drawable;              bd.setAntiAlias(true);          }                @Override          public boolean onTouchEvent(MotionEvent event) {              super.onTouchEvent(event);              if (!onAnimation)                  return true;                                  switch (event.getAction() & MotionEvent.ACTION_MASK) {              case MotionEvent.ACTION_DOWN:                  float X = event.getX();                  float Y = event.getY();                  RolateX = vWidth / 2 - X;                  RolateY = vHeight / 2 - Y;                  XbigY = Math.abs(RolateX) > Math.abs(RolateY) ? true : false;                        isScale = X > vWidth / 3 && X < vWidth * 2 / 3 && Y > vHeight / 3&& Y < vHeight * 2 / 3;                  isActionMove=false;                                    if (isScale) {                      handler.sendEmptyMessage(1);                  } else {                      rolateHandler.sendEmptyMessage(1);                  }                  break;              case MotionEvent.ACTION_MOVE:                  float x=event.getX();float y=event.getY();                  if(x>vWidth || y>vHeight || x<0 || y<0){                      isActionMove=true;                  }else{                      isActionMove=false;                  }                                    break;              case MotionEvent.ACTION_UP:                  if (isScale) {                      handler.sendEmptyMessage(6);                  } else {                      rolateHandler.sendEmptyMessage(6);                  }                  break;              }              return true;          }          public interface OnViewClick {              public void onClick();          }          private Handler rolateHandler = new Handler() {              private Matrix matrix = new Matrix();              private float count = 0;                    @Override              public void handleMessage(Message msg) {                  super.handleMessage(msg);                  matrix.set(getImageMatrix());                  switch (msg.what) {                  case 1:                      count = 0;                      BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));                      rolateHandler.sendEmptyMessage(2);                      break;                  case 2:                      BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));                      if (count < getDegree()) {                          rolateHandler.sendEmptyMessage(2);                      } else {                          isFinish = true;                      }                      count++;                      count++;                      break;                  case 3:                      BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));                      if (count > 0) {                          rolateHandler.sendEmptyMessage(3);                      } else {                          isFinish = true;                          if(!isActionMove&&onclick!=null){                              onclick.onClick();                          }                      }                      count--;                      count--;                      break;                  case 6:                      count = getDegree();                      BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));                      rolateHandler.sendEmptyMessage(3);                      break;                  }              }          };                private synchronized void BeginRolate(Matrix matrix, float rolateX,                  float rolateY) {              // Bitmap bm = getImageBitmap();              int scaleX = (int) (vWidth * 0.5f);              int scaleY = (int) (vHeight * 0.5f);              camera.save();              camera.rotateX(RolateY > 0 ? rolateY : -rolateY);              camera.rotateY(RolateX < 0 ? rolateX : -rolateX);              camera.getMatrix(matrix);              camera.restore();              // 控制中心点              if (RolateX > 0 && rolateX != 0) {                  matrix.preTranslate(-vWidth, -scaleY);                  matrix.postTranslate(vWidth, scaleY);              } else if (RolateY > 0 && rolateY != 0) {                  matrix.preTranslate(-scaleX, -vHeight);                  matrix.postTranslate(scaleX, vHeight);              } else if (RolateX < 0 && rolateX != 0) {                  matrix.preTranslate(-0, -scaleY);                  matrix.postTranslate(0, scaleY);              } else if (RolateY < 0 && rolateY != 0) {                  matrix.preTranslate(-scaleX, -0);                  matrix.postTranslate(scaleX, 0);              }              setImageMatrix(matrix);          }                private Handler handler = new Handler() {              private Matrix matrix = new Matrix();              private float s;              int count = 0;                    @Override              public void handleMessage(Message msg) {                  super.handleMessage(msg);                  matrix.set(getImageMatrix());                  switch (msg.what) {                  case 1:                      if (!isFinish) {                          return;                      } else {                          isFinish = false;                          count = 0;                          s = (float) Math.sqrt(Math.sqrt(minScale));                          BeginScale(matrix, s);                          handler.sendEmptyMessage(2);                      }                      break;                  case 2:                      BeginScale(matrix, s);                      if (count < 4) {                          handler.sendEmptyMessage(2);                      } else {                          isFinish = true;                          if(!isActionMove&&onclick!=null){                              onclick.onClick();                          }                      }                      count++;                      break;                  case 6:                      if (!isFinish) {                          handler.sendEmptyMessage(6);                      } else {                          isFinish = false;                          count = 0;                          s = (float) Math.sqrt(Math.sqrt(1.0f / minScale));                          BeginScale(matrix, s);                          handler.sendEmptyMessage(2);                      }                      break;                  }              }          };                private synchronized void BeginScale(Matrix matrix, float scale) {              int scaleX = (int) (vWidth * 0.5f);              int scaleY = (int) (vHeight * 0.5f);              matrix.postScale(scale, scale, scaleX, scaleY);              setImageMatrix(matrix);          }                public int getDegree() {              return rotateDegree;          }                public void setDegree(int degree) {              rotateDegree = degree;          }                public float getScale() {              return minScale;          }                public void setScale(float scale) {              minScale = scale;          }      }

joke=(MyImageView) findViewById(R.id.c_joke);          joke.setOnClickIntent(new MyImageView.OnViewClick() {                            @Override              public void onClick() {                  // TODO Auto-generated method stub                  Toast.makeText(TestRolateAnimActivity.this, "事件触发", 1000).show();                  System.out.println("1");              }          });

0 0