public boolean onScale(ScaleGestureDetector detector) {
mScale *= detector.getScaleFactor();
mFocusX = detector.getFocusX();
mFocusY = detector.getFocusY();
invalidate();
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float mScaleFactor = detector.getScaleFactor();
float origScale = saveScale;
saveScale *= mScaleFactor;
if (saveScale > maxScale) {
saveScale = maxScale;
mScaleFactor = maxScale / origScale;
} else if (saveScale < minScale) {
saveScale = minScale;
mScaleFactor = minScale / origScale;
}
if (origWidth * saveScale <= viewWidth || origHeight * saveScale <= viewHeight)
matrix.postScale(mScaleFactor, mScaleFactor, viewWidth / 2, viewHeight / 2);
else matrix.postScale(mScaleFactor, mScaleFactor, detector.getFocusX(), detector.getFocusY());
fixTrans();
return true;
}
@Override
public boolean onTouchEvent(@NonNull MotionEvent ev) {
stopAnimationsOnTouch = true;
mScaleDetector.onTouchEvent(ev);
if (!mScaleDetector.isInProgress()) mGestureDetector.onTouchEvent(ev);
return true;
}
public boolean onScale(ScaleGestureDetector detector) {
float previousScale = mScale;
float scale_factor = mReflow ? REFLOW_SCALE_FACTOR : 1.0f;
float min_scale = MIN_SCALE * scale_factor;
float max_scale = MAX_SCALE * scale_factor;
mScale = Math.min(Math.max(mScale * detector.getScaleFactor(), min_scale), max_scale);
if (mReflow) {
applyToChildren(
new ViewMapper() {
@Override
void applyToView(View view) {
onScaleChild(view, mScale);
}
});
} else {
float factor = mScale / previousScale;
View v = mChildViews.get(mCurrent);
if (v != null) {
// Work out the focus point relative to the view top left
int viewFocusX = (int) detector.getFocusX() - (v.getLeft() + mXScroll);
int viewFocusY = (int) detector.getFocusY() - (v.getTop() + mYScroll);
// Scroll to maintain the focus point
mXScroll += viewFocusX - viewFocusX * factor;
mYScroll += viewFocusY - viewFocusY * factor;
requestLayout();
}
}
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
Logger.i(
TAG,
"onScale: "
+ detector.getFocusX()
+ "x"
+ detector.getFocusY()
+ " "
+ detector.getScaleFactor());
float scale = detector.getScaleFactor();
if (mVisibleGrid == GRID_SMALL && scale > 1 && scale < 1.33) {
mSmallRecView.setScaleX(scale);
mSmallRecView.setScaleY(scale);
float alpha = (1.33f - scale) / 0.33f;
mSmallRecView.setAlpha(alpha);
mBigRecView.setAlpha(1 - alpha);
} else if (mVisibleGrid == GRID_BIG && scale < 1 && scale > 0.75) {
mBigRecView.setScaleX(scale);
mBigRecView.setScaleY(scale);
float alpha = (scale - 0.75f) / 0.25f;
mSmallRecView.setAlpha(1 - alpha);
mBigRecView.setAlpha(alpha);
}
return false;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float mScaleFactor = mImageViewBase.getScaleFactor();
float oldScaleFactor = mScaleFactor;
mScaleFactor *= detector.getScaleFactor();
// Don't let the object get too small or too large.
float minValue =
Math.min(
(((float) mImageViewBase.getFrameWidth()) / mImageViewBase.getImageWidth()),
(((float) mImageViewBase.getFrameHeigth()) / mImageViewBase.getImageHeight()));
mScaleFactor = Math.max(minValue, Math.min(mScaleFactor, 10.0f));
mImageViewBase.setScaleFactor(mScaleFactor);
// let the old center remain on the center
int xPos = mImageViewBase.getImageXPosition();
int yPos = mImageViewBase.getImageYPosition();
float focusX = detector.getFocusX() / oldScaleFactor - xPos;
float focusY = detector.getFocusY() / oldScaleFactor - yPos;
xPos = (int) ((oldScaleFactor / mScaleFactor) * (focusX + xPos) - focusX);
yPos = (int) ((oldScaleFactor / mScaleFactor) * (focusY + yPos) - focusY);
// check if we meet border
xPos = checkBordersX(mScaleFactor, xPos);
yPos = checkBordersY(mScaleFactor, yPos);
mImageViewBase.setImageXPosition(xPos);
mImageViewBase.setImageYPosition(yPos);
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float xScale = ((float) detector.getCurrentSpanX()) / detector.getPreviousSpanX();
yAmplifier *= (((float) detector.getCurrentSpanY()) / detector.getPreviousSpanY());
yAmplifier = Math.max(Math.min(yAmplifier, MAX_YAMP), MIN_YAMP);
shownDataAmount /= xScale;
shownDataAmount = Math.min(Math.max(1, (shownDataAmount)), MAXSAMPLEPACKETS);
return true;
}
public boolean onScale(ScaleGestureDetector detector) {
// the velocity of the pinch in scale factor per ms
float velocity =
(detector.getCurrentSpan() - detector.getPreviousSpan()) / detector.getTimeDelta();
float currentSpan = detector.getCurrentSpanX();
float prevSpan = detector.getPreviousSpanX();
double diff = Math.abs(currentSpan - prevSpan);
/*
* If Shove is in progress do not handle scale
* If previous scale is handled then keep on handling scale
* else give some buffer for shove to be processed
*/
if (mDoubleTapScale
|| mScaleHandled
|| (!mShoveHandled
&& diff
> PINCH_THRESHOLD
* Math.min(displayMetrics.widthPixels, displayMetrics.heightPixels))) {
mScaleHandled = true;
float focusX = mDoubleTapScale ? mapView.getWidth() * 0.5f : detector.getFocusX();
float focusY = mDoubleTapScale ? mapView.getHeight() * 0.5f : detector.getFocusY();
mLastDoubleGestureTime = detector.getEventTime();
handlePinchGesture(focusX, focusY, detector.getScaleFactor(), velocity);
return true;
}
mScaleHandled = false;
return false;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
Log.i(TAG, "onScale " + detector.getScaleFactor());
mSampleSize *= detector.getScaleFactor();
if (mSampleSize < 0.2f) {
mSampleSize = 0.2f;
}
setFigureSize(mSampleSize);
Log.i(TAG, "samplesize = " + mSampleSize);
invalidate();
return true;
}
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
Logger.i(
TAG,
"onScaleBegin: "
+ detector.getFocusX()
+ "x"
+ detector.getFocusY()
+ " "
+ detector.getScaleFactor());
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
scaleImage(detector.getScaleFactor(), detector.getFocusX(), detector.getFocusY(), true);
//
// OnTouchImageViewListener is set: TouchImageView pinch zoomed by user.
//
if (touchImageViewListener != null) {
touchImageViewListener.onMove();
}
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float scale = getScale();
float scaleFactor = detector.getScaleFactor();
if ((getDrawable() != null)
&& (!(((scale >= maxScale) && (scaleFactor > 1f))
|| ((scale <= 0.75) && (scaleFactor < 1f))))) {
suppMatrix.postScale(scaleFactor, scaleFactor, detector.getFocusX(), detector.getFocusY());
checkAndDisplayMatrix();
}
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
// calc scale factor
scaleFactor *= detector.getScaleFactor();
scaleFactor =
Math.max(
SessionView.MIN_SCALE_FACTOR, Math.min(scaleFactor, SessionView.MAX_SCALE_FACTOR));
sessionView.setZoom(scaleFactor);
if (!sessionView.isAtMinZoom() && !sessionView.isAtMaxZoom()) {
// transform scroll origin to the new zoom space
float transOriginX = scrollView.getScrollX() * detector.getScaleFactor();
float transOriginY = scrollView.getScrollY() * detector.getScaleFactor();
// transform center point to the zoomed space
float transCenterX =
(scrollView.getScrollX() + detector.getFocusX()) * detector.getScaleFactor();
float transCenterY =
(scrollView.getScrollY() + detector.getFocusY()) * detector.getScaleFactor();
// scroll by the difference between the distance of the transformed center/origin point and
// their old distance (focusX/Y)
scrollView.scrollBy(
(int) ((transCenterX - transOriginX) - detector.getFocusX()),
(int) ((transCenterY - transOriginY) - detector.getFocusY()));
}
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float scaleFactor = detector.getScaleFactor();
this.m.setZoomOffsetX((int) detector.getFocusX());
this.m.setZoomOffsetY((int) detector.getFocusY());
double relPosX = this.v.toAbsoluteX(this.m.getZoomOffsetX());
double relPosY = this.v.toAbsoluteY(this.m.getZoomOffsetY());
this.m.updateZoomLevel(scaleFactor, v.getWidth(), v.getHeight(), relPosX, relPosY);
// return super.onScale(detector);
return true;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
mScaleDetector.onTouchEvent(event);
if (!mScaleDetector.isInProgress()) mGestureDetector.onTouchEvent(event);
int action = event.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_UP:
if (getScale() < 1f) {
zoomTo(1f, 50);
}
break;
}
return true;
}
@SuppressWarnings("unused")
@Override
public boolean onScale(ScaleGestureDetector detector) {
float span = detector.getCurrentSpan() - detector.getPreviousSpan();
float targetScale = mCurrentScaleFactor * detector.getScaleFactor();
if (mScaleEnabled) {
targetScale = Math.min(getMaxZoom(), Math.max(targetScale, MIN_ZOOM));
zoomTo(targetScale, detector.getFocusX(), detector.getFocusY());
mCurrentScaleFactor = Math.min(getMaxZoom(), Math.max(targetScale, MIN_ZOOM));
mDoubleTapDirection = 1;
invalidate();
return true;
}
return false;
}
private boolean judgePinch(ScaleGestureDetector detector) {
boolean res = false;
float curDist = detector.getCurrentSpan();
float preDist = detector.getPreviousSpan();
pinch = preDist - curDist;
if ((curDist < preDist) && (pinch > PINCH_THRESHOLD)) {
res = true;
gestureName = GESTURE_PINCH;
focus_x = detector.getFocusX();
focus_y = detector.getFocusY();
gestureLabel.setText(gestureName + "\n x:" + focus_x + " y:" + focus_y + "\npinch:" + pinch);
}
return res;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
// TODO Auto-generated method stub
if (mScaleView == null) {
mScaleFactor *= detector.getScaleFactor();
mScaleFactor = adjustScale(mScaleFactor);
invalidate();
requestLayout();
} else {
LayoutParams param = (LayoutParams) mScaleView.getLayoutParams();
param.fScale *= detector.getScaleFactor();
updateViewLayout(mScaleView, param);
}
return true;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
float oldScaleFactor = getCanvasCamera().getScale();
float scaleFactor = oldScaleFactor * detector.getScaleFactor();
scaleFactor = Math.max(MIN_ZOOM, Math.min(scaleFactor, MAX_ZOOM));
if (scaleFactor != oldScaleFactor) {
float scaleDifference = scaleFactor / oldScaleFactor;
float zoomTranslationX = (1 - scaleDifference) * detector.getFocusX() / scaleFactor;
float zoomTranslationY = (1 - scaleDifference) * detector.getFocusY() / scaleFactor;
getCanvasCamera()
.setScaleAndRelativeTranslate(scaleFactor, zoomTranslationX, zoomTranslationY);
invalidate();
}
return true;
}
@Override
protected void onZoom(float scale) {
super.onZoom(scale);
if (mScaleDetector != null) {
if (!mScaleDetector.isInProgress()) mCurrentScaleFactor = scale;
}
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
scaleFactor *= detector.getScaleFactor();
scaleFactor = Math.max(MIN_ZOOM, Math.min(scaleFactor, MAX_ZOOM));
Log.e("Player", "onScale " + scaleFactor);
return true;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// Avoid short-circuit logic evaluation - ensure all gesture detectors see all events so
// that they generate correct notifications.
boolean handled = mScroller.onTouchEvent(event);
handled |= mZoomer.onTouchEvent(event);
handled |= mTapDetector.onTouchEvent(event);
mSwipePinchDetector.onTouchEvent(event);
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
mViewer.setAnimationEnabled(false);
mSuppressCursorMovement = false;
mSuppressFling = false;
mSwipeCompleted = false;
break;
case MotionEvent.ACTION_POINTER_DOWN:
mTotalMotionY = 0;
break;
case MotionEvent.ACTION_UP:
releaseAnyHeldButton();
break;
default:
break;
}
return handled;
}
public void onTouchEvent(MotionEvent event) {
mGestureDetector.onTouchEvent(event);
mScaleDetector.onTouchEvent(event);
if (event.getAction() == MotionEvent.ACTION_UP) {
mListener.onUp(event.getX(), event.getY());
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
mScaleGestureDetector.onTouchEvent(event);
if (!mScaling) mGestureDetector.onTouchEvent(event);
if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
mUserInteracting = true;
}
if (event.getActionMasked() == MotionEvent.ACTION_UP) {
mScrollDisabled = false;
mUserInteracting = false;
View v = mChildViews.get(mCurrent);
if (v != null) {
if (mScroller.isFinished()) {
// If, at the end of user interaction, there is no
// current inertial scroll in operation then animate
// the view onto screen if necessary
slideViewOntoScreen(v);
}
if (mScroller.isFinished()) {
// If still there is no inertial scroll in operation
// then the layout is stable
postSettle(v);
}
}
}
requestLayout();
return true;
}
@Override
public boolean onScale(ScaleGestureDetector scaleGestureDetector) {
float spanX =
scaleGestureDetector.getCurrentSpanX() - scaleGestureDetector.getPreviousSpanX();
float spanY =
scaleGestureDetector.getCurrentSpanY() - scaleGestureDetector.getPreviousSpanY();
LayoutParams lParams = (LayoutParams) getLayoutParams();
float newWidth = lParams.width + spanX;
float newHeight = lParams.height + spanY;
lParams.width = (int) newWidth;
lParams.height = (int) newHeight;
setLayoutParams(lParams);
Log.i("spanX", spanX + "");
Log.i("spanY", spanY + "");
return true;
}
@Override
public void onScaleEnd(ScaleGestureDetector detector) {
controls.pOnPinchZoomGestureDetected(
PasObj, detector.getScaleFactor(), 2); // scalefactor->float
// Log.i("tag", "onScaleEnd");
super.onScaleEnd(detector);
}
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
controls.pOnPinchZoomGestureDetected(
PasObj, detector.getScaleFactor(), 0); // scalefactor->float
// Log.i("tag", "onScaleBegin");
return true;
}
@Override
public boolean onTouchEvent(MotionEvent e) {
boolean b = scaleGestureDetector.onTouchEvent(e);
boolean c = gestureDetector.onTouchEvent(e);
return b || c || super.onTouchEvent(e);
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
mScaleFactor *= detector.getScaleFactor();
mScaleFactor = Math.max(MIN_ZOOM, Math.min(mScaleFactor, MAX_ZOOM));
// Log.i("tag", "onScale = "+ mScaleFactor);
controls.pOnPinchZoomGestureDetected(PasObj, mScaleFactor, 1); // scalefactor->float
return true;
}
@Override
public void onScaleEnd(ScaleGestureDetector detector) {
if (detector.getScaleFactor() < 1f) {
bus.post(Pinch.INSTANCE);
} else {
bus.post(Zoom.INSTANCE);
}
}
