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package android.howard.exp.views; /*from w w w . j a va2 s .com*/ 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 FlectImageView 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 FlectImageView(Context context) { super(context); camera = new Camera(); } public FlectImageView(Context context, AttributeSet attrs) { super(context, attrs); 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(); 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; } }