List of usage examples for android.widget ImageView setImageMatrix
public void setImageMatrix(Matrix matrix)
From source file:com.cloverstudio.spika.CameraCropActivity.java
@Override public boolean onTouch(View v, MotionEvent event) { ImageView view = (ImageView) v; switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: savedMatrix.set(matrix);//from ww w .jav a 2s . com start.set(event.getX(), event.getY()); mode = DRAG; break; case MotionEvent.ACTION_POINTER_DOWN: oldDist = spacing(event); if (oldDist > 10f) { savedMatrix.set(matrix); midPoint(mid, event); mode = ZOOM; } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: mode = NONE; break; case MotionEvent.ACTION_MOVE: if (mode == DRAG) { // ... matrix.set(savedMatrix); matrix.postTranslate(event.getX() - start.x, event.getY() - start.y); start_x = event.getX() - start.x; start_y = event.getY() - start.y; } else if (mode == ZOOM) { float newDist = spacing(event); if (newDist > 10f) { matrix.set(savedMatrix); float scale = newDist / oldDist; mAspect = scale; matrix.postScale(scale, scale, mid.x, mid.y); } } break; } view.setImageMatrix(matrix); view.invalidate(); return true; }
From source file:com.bluetech.gallery5.ui.ImageDetailFragment.java
@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { /*//w ww.j a v a 2s . c om // Inflate and locate the main ImageView final View v = inflater.inflate(R.layout.image_detail_fragment, container, false); mImageView = (ImageView) v.findViewById(R.id.imageRecycView); return v; */ final View v = inflater.inflate(R.layout.image_detail_fragment, container, false); mImageView = (ImageView) v.findViewById(R.id.imageRecycView); //ImageView img = new ImageView(getActivity()); mImageView.setPadding(6, 6, 6, 6); // mImageView.setLayoutParams(new Gallery.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)) ; //ImageViewHelperURL.setUrlDrawable((ImageView) img, url, R.drawable.no_image) ; mImageView.setOnTouchListener(new View.OnTouchListener() { private static final String TAG = "SlideImageView"; // These matrices will be used to move and zoom image Matrix matrix = new Matrix(); Matrix savedMatrix = new Matrix(); // We can be in one of these 3 states static final int NONE = 0; static final int DRAG = 1; static final int ZOOM = 2; int mode = NONE; // Remember some things for zooming PointF start = new PointF(); PointF mid = new PointF(); float oldDist = 1f; @Override public boolean onTouch(View v, MotionEvent event) { ImageView view = (ImageView) v; // Dump touch event to log dumpEvent(event); // Handle touch events here... switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: savedMatrix.set(matrix); start.set(event.getX(), event.getY()); Log.d(TAG, "mode=DRAG"); mode = DRAG; break; case MotionEvent.ACTION_POINTER_DOWN: oldDist = spacing(event); Log.d(TAG, "oldDist=" + oldDist); if (oldDist > 10f) { savedMatrix.set(matrix); midPoint(mid, event); mode = ZOOM; Log.d(TAG, "mode=ZOOM"); } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: mode = NONE; Log.d(TAG, "mode=NONE"); break; case MotionEvent.ACTION_MOVE: if (mode == DRAG) { // ... matrix.set(savedMatrix); matrix.postTranslate(event.getX() - start.x, event.getY() - start.y); } else if (mode == ZOOM) { float newDist = spacing(event); Log.d(TAG, "newDist=" + newDist); if (newDist > 10f) { matrix.set(savedMatrix); float scale = newDist / oldDist; Log.d(TAG, "ZOOOOOOOM: " + scale); matrix.postScale(scale, scale, mid.x, mid.y); } } break; } view.setImageMatrix(matrix); return true; // indicate event was handled } /** Show an event in the LogCat view, for debugging */ private void dumpEvent(MotionEvent event) { String names[] = { "DOWN", "UP", "MOVE", "CANCEL", "OUTSIDE", "POINTER_DOWN", "POINTER_UP", "7?", "8?", "9?" }; StringBuilder sb = new StringBuilder(); int action = event.getAction(); int actionCode = action & MotionEvent.ACTION_MASK; sb.append("event ACTION_").append(names[actionCode]); if (actionCode == MotionEvent.ACTION_POINTER_DOWN || actionCode == MotionEvent.ACTION_POINTER_UP) { sb.append("(pid ").append(action >> MotionEvent.ACTION_POINTER_ID_SHIFT); sb.append(")"); } sb.append("["); for (int i = 0; i < event.getPointerCount(); i++) { sb.append("#").append(i); sb.append("(pid ").append(event.getPointerId(i)); sb.append(")=").append((int) event.getX(i)); sb.append(",").append((int) event.getY(i)); if (i + 1 < event.getPointerCount()) sb.append(";"); } sb.append("]"); Log.d(TAG, sb.toString()); } /** Determine the space between the first two fingers */ private float spacing(MotionEvent event) { float x = event.getX(0) - event.getX(1); float y = event.getY(0) - event.getY(1); return (float) Math.sqrt(x * x + y * y); } /** Calculate the mid point of the first two fingers */ private void midPoint(PointF point, MotionEvent event) { float x = event.getX(0) + event.getX(1); float y = event.getY(0) + event.getY(1); point.set(x / 2, y / 2); } }); return v; }
From source file:uk.co.senab.photoview.PhotoViewAttacher.java
@Override public void onGlobalLayout() { ImageView imageView = getImageView(); if (null != imageView) { if (mZoomEnabled) { final int top = imageView.getTop(); final int right = imageView.getRight(); final int bottom = imageView.getBottom(); final int left = imageView.getLeft(); /**/*www .java2 s. co m*/ * We need to check whether the ImageView's bounds have changed. * This would be easier if we targeted API 11+ as we could just use * View.OnLayoutChangeListener. Instead we have to replicate the * work, keeping track of the ImageView's bounds and then checking * if the values change. */ if (top != mIvTop || bottom != mIvBottom || left != mIvLeft || right != mIvRight) { // Update our base matrix, as the bounds have changed updateBaseMatrix(); // Update values as something has changed mIvTop = top; mIvRight = right; mIvBottom = bottom; mIvLeft = left; } } else { updateBaseMatrix(); } if (!firstTimeRendered) { firstTimeRendered = true; renderBitmap(); } calculateCurrentImageMatrix(); imageView.setImageMatrix(currentImageMatrix); } }