Java Code Examples for android.view.MotionEvent#getPressure()
The following examples show how to use
android.view.MotionEvent#getPressure() .
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Example 1
| Source File: BaseGestureDetector.java From DiscreteSlider with MIT License | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr) {
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 2
| Source File: BaseGestureDetector.java From OpenMapKitAndroid with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr) {
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 3
| Source File: BaseGestureDetector.java From MotionViews-Android with MIT License | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr) {
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 4
| Source File: BaseGestureDetector.java From Nimingban with Apache License 2.0 | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr) {
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 5
| Source File: BaseGestureDetector.java From MoeGallery with GNU General Public License v3.0 | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr){
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 6
| Source File: BaseGestureDetector.java From AndroidPlayground with MIT License | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr){
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 7
| Source File: JoystickView.java From Multiwii-Remote with Apache License 2.0 | 6 votes |
|
private boolean processMoveEvent(MotionEvent ev) {
if (pointerId != INVALID_POINTER_ID) {
final int pointerIndex = ev.findPointerIndex(pointerId);
// Translate touch position to center of view
float x = ev.getX(pointerIndex);
touchX = x - cX - offsetX;
float y = ev.getY(pointerIndex);
touchY = y - cY - offsetY;
// Log.d(TAG,
// String.format("ACTION_MOVE: (%03.0f, %03.0f) => (%03.0f, %03.0f)",
// x, y, touchX, touchY));
reportOnMoved();
invalidate();
touchPressure = ev.getPressure(pointerIndex);
reportOnPressure();
return true;
}
return false;
}
Example 8
| Source File: BaseGestureDetector.java From UltimateAndroid with Apache License 2.0 | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr){
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 9
| Source File: BaseGestureDetector.java From UltimateAndroid with Apache License 2.0 | 6 votes |
|
protected void updateStateByEvent(MotionEvent curr){
final MotionEvent prev = mPrevEvent;
// Reset mCurrEvent
if (mCurrEvent != null) {
mCurrEvent.recycle();
mCurrEvent = null;
}
mCurrEvent = MotionEvent.obtain(curr);
// Delta time
mTimeDelta = curr.getEventTime() - prev.getEventTime();
// Pressure
mCurrPressure = curr.getPressure(curr.getActionIndex());
mPrevPressure = prev.getPressure(prev.getActionIndex());
}
Example 10
| Source File: GestureListener.java From input-samples with Apache License 2.0 | 5 votes |
|
/**
* Returns a human-readable string describing the type of touch that triggered a MotionEvent.
*/
private static String getTouchType(MotionEvent e){
String touchTypeDescription = " ";
int touchType = e.getToolType(0);
switch (touchType) {
case MotionEvent.TOOL_TYPE_FINGER:
touchTypeDescription += "(finger)";
break;
case MotionEvent.TOOL_TYPE_STYLUS:
touchTypeDescription += "(stylus, ";
//Get some additional information about the stylus touch
float stylusPressure = e.getPressure();
touchTypeDescription += "pressure: " + stylusPressure;
if(Build.VERSION.SDK_INT >= 21) {
touchTypeDescription += ", buttons pressed: " + getButtonsPressed(e);
}
touchTypeDescription += ")";
break;
case MotionEvent.TOOL_TYPE_ERASER:
touchTypeDescription += "(eraser)";
break;
case MotionEvent.TOOL_TYPE_MOUSE:
touchTypeDescription += "(mouse)";
break;
default:
touchTypeDescription += "(unknown tool)";
break;
}
return touchTypeDescription;
}
Example 11
| Source File: ScaleGestureDetector.java From fanfouapp-opensource with Apache License 2.0 | 5 votes |
|
private void setContext(final MotionEvent curr) {
if (this.mCurrEvent != null) {
this.mCurrEvent.recycle();
}
this.mCurrEvent = MotionEvent.obtain(curr);
this.mCurrLen = -1;
this.mPrevLen = -1;
this.mScaleFactor = -1;
final MotionEvent prev = this.mPrevEvent;
final float px0 = prev.getX(0);
final float py0 = prev.getY(0);
final float px1 = prev.getX(1);
final float py1 = prev.getY(1);
final float cx0 = curr.getX(0);
final float cy0 = curr.getY(0);
final float cx1 = curr.getX(1);
final float cy1 = curr.getY(1);
final float pvx = px1 - px0;
final float pvy = py1 - py0;
final float cvx = cx1 - cx0;
final float cvy = cy1 - cy0;
this.mPrevFingerDiffX = pvx;
this.mPrevFingerDiffY = pvy;
this.mCurrFingerDiffX = cvx;
this.mCurrFingerDiffY = cvy;
this.mFocusX = cx0 + (cvx * 0.5f);
this.mFocusY = cy0 + (cvy * 0.5f);
this.mTimeDelta = curr.getEventTime() - prev.getEventTime();
this.mCurrPressure = curr.getPressure(0) + curr.getPressure(1);
this.mPrevPressure = prev.getPressure(0) + prev.getPressure(1);
}
Example 12
| Source File: ScaleGestureDetector.java From YiBo with Apache License 2.0 | 5 votes |
|
private void setContext(MotionEvent curr) {
if (mCurrEvent != null) {
mCurrEvent.recycle();
}
mCurrEvent = MotionEvent.obtain(curr);
mCurrLen = -1;
mPrevLen = -1;
mScaleFactor = -1;
final MotionEvent prev = mPrevEvent;
final float px0 = prev.getX(0);
final float py0 = prev.getY(0);
final float px1 = prev.getX(1);
final float py1 = prev.getY(1);
final float cx0 = curr.getX(0);
final float cy0 = curr.getY(0);
final float cx1 = curr.getX(1);
final float cy1 = curr.getY(1);
final float pvx = px1 - px0;
final float pvy = py1 - py0;
final float cvx = cx1 - cx0;
final float cvy = cy1 - cy0;
mPrevFingerDiffX = pvx;
mPrevFingerDiffY = pvy;
mCurrFingerDiffX = cvx;
mCurrFingerDiffY = cvy;
mFocusX = cx0 + cvx * 0.5f;
mFocusY = cy0 + cvy * 0.5f;
mTimeDelta = curr.getEventTime() - prev.getEventTime();
mCurrPressure = curr.getPressure(0) + curr.getPressure(1);
mPrevPressure = prev.getPressure(0) + prev.getPressure(1);
}
Example 13
| Source File: GestureListener.java From android-BasicGestureDetect with Apache License 2.0 | 5 votes |
|
/**
* Returns a human-readable string describing the type of touch that triggered a MotionEvent.
*/
private static String getTouchType(MotionEvent e){
String touchTypeDescription = " ";
int touchType = e.getToolType(0);
switch (touchType) {
case MotionEvent.TOOL_TYPE_FINGER:
touchTypeDescription += "(finger)";
break;
case MotionEvent.TOOL_TYPE_STYLUS:
touchTypeDescription += "(stylus, ";
//Get some additional information about the stylus touch
float stylusPressure = e.getPressure();
touchTypeDescription += "pressure: " + stylusPressure;
if(Build.VERSION.SDK_INT >= 21) {
touchTypeDescription += ", buttons pressed: " + getButtonsPressed(e);
}
touchTypeDescription += ")";
break;
case MotionEvent.TOOL_TYPE_ERASER:
touchTypeDescription += "(eraser)";
break;
case MotionEvent.TOOL_TYPE_MOUSE:
touchTypeDescription += "(mouse)";
break;
default:
touchTypeDescription += "(unknown tool)";
break;
}
return touchTypeDescription;
}
Example 14
| Source File: ForceTouchListener.java From ForceTouch with Apache License 2.0 | 5 votes |
|
/**
* Implemented ForceTouchListener
* @param view VIew
* @param motionEvent MotionEvent
* @return boolean
*/
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
float pressure = motionEvent.getPressure();
checkParam(pressureLimit, millisToVibrate);
setPressure(pressure);
switch(motionEvent.getAction()){
case MotionEvent.ACTION_DOWN:
if(pressure >= pressureLimit && !alreadyExecuted && !isProgressive) {
if(isVibrate) {
Vibrator vibr = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
vibr.vibrate(millisToVibrate);
}
forceTouchExecution.onForceTouch();
alreadyExecuted = true;
}else if(isProgressive){
alreadyExecuted = false;
progressiveForceTouch();
}else{
alreadyExecuted = false;
forceTouchExecution.onNormalTouch();
timer.stop(runnable);
}
break;
case MotionEvent.ACTION_CANCEL:
if(isProgressive) {
timer.stop(runnable);
}
alreadyExecuted = false;
break;
case MotionEvent.ACTION_UP:
if(isProgressive) {
timer.stop(runnable);
}
alreadyExecuted = false;
break;
}
return true;
}
Example 15
| Source File: ForceTouchListener.java From timecat with Apache License 2.0 | 5 votes |
|
/**
* Implemented ForceTouchListener
* @param view VIew
* @param motionEvent MotionEvent
* @return boolean
*/
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
float pressure = motionEvent.getPressure();
checkParam(pressureLimit, millisToVibrate);
setPressure(pressure);
switch(motionEvent.getAction()){
case MotionEvent.ACTION_DOWN:
if(pressure >= pressureLimit && !alreadyExecuted && !isProgressive) {
if(isVibrate) {
Vibrator vibr = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
vibr.vibrate(millisToVibrate);
}
forceTouchExecution.onForceTouch();
alreadyExecuted = true;
}else if(isProgressive){
alreadyExecuted = false;
progressiveForceTouch();
}else{
alreadyExecuted = false;
forceTouchExecution.onNormalTouch();
timer.stop(runnable);
}
break;
case MotionEvent.ACTION_CANCEL:
if(isProgressive) {
timer.stop(runnable);
}
alreadyExecuted = false;
break;
case MotionEvent.ACTION_UP:
if(isProgressive) {
timer.stop(runnable);
}
alreadyExecuted = false;
break;
}
return false;
}
Example 16
| Source File: TouchPoint.java From android-chromium with BSD 2-Clause "Simplified" License | 4 votes |
|
public static int createTouchPoints(MotionEvent event, TouchPoint[] pts) {
int type;
int defaultState;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
type = TOUCH_EVENT_TYPE_START;
defaultState = TOUCH_POINT_STATE_PRESSED;
break;
case MotionEvent.ACTION_MOVE:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_MOVED;
break;
case MotionEvent.ACTION_UP:
type = TOUCH_EVENT_TYPE_END;
defaultState = TOUCH_POINT_STATE_RELEASED;
break;
case MotionEvent.ACTION_CANCEL:
type = TOUCH_EVENT_TYPE_CANCEL;
defaultState = TOUCH_POINT_STATE_CANCELLED;
break;
case MotionEvent.ACTION_POINTER_DOWN: // fall through.
case MotionEvent.ACTION_POINTER_UP:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_STATIONARY;
break;
default:
Log.e("Chromium", "Unknown motion event action: " + event.getActionMasked());
return CONVERSION_ERROR;
}
for (int i = 0; i < pts.length; ++i) {
int state = defaultState;
if (defaultState == TOUCH_POINT_STATE_STATIONARY && event.getActionIndex() == i) {
// An additional pointer has started or ended. Map this pointer state as
// required, and all other pointers as "stationary".
state = event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN ?
TOUCH_POINT_STATE_PRESSED : TOUCH_POINT_STATE_RELEASED;
}
pts[i] = new TouchPoint(state, event.getPointerId(i),
event.getX(i), event.getY(i),
event.getSize(i), event.getPressure(i));
}
return type;
}
Example 17
| Source File: MultiTouchController.java From osmdroid with Apache License 2.0 | 4 votes |
|
/** Process incoming touch events */
@SuppressWarnings("unused")
public boolean onTouchEvent(MotionEvent event) {
try {
int pointerCount = multiTouchSupported ? (Integer) m_getPointerCount.invoke(event) : 1;
if (DEBUG)
Log.i("MultiTouch", "Got here 1 - " + multiTouchSupported + " " + mMode + " " + handleSingleTouchEvents + " " + pointerCount);
if (mMode == MODE_NOTHING && !handleSingleTouchEvents && pointerCount == 1)
// Not handling initial single touch events, just pass them on
return false;
if (DEBUG)
Log.i("MultiTouch", "Got here 2");
// Handle history first (we sometimes get history with ACTION_MOVE events)
int action = event.getAction();
int histLen = event.getHistorySize() / pointerCount;
for (int histIdx = 0; histIdx <= histLen; histIdx++) {
// Read from history entries until histIdx == histLen, then read from current event
boolean processingHist = histIdx < histLen;
if (!multiTouchSupported || pointerCount == 1) {
// Use single-pointer methods -- these are needed as a special case (for some weird reason) even if
// multitouch is supported but there's only one touch point down currently -- event.getX(0) etc. throw
// an exception if there's only one point down.
if (DEBUG)
Log.i("MultiTouch", "Got here 3");
xVals[0] = processingHist ? event.getHistoricalX(histIdx) : event.getX();
yVals[0] = processingHist ? event.getHistoricalY(histIdx) : event.getY();
pressureVals[0] = processingHist ? event.getHistoricalPressure(histIdx) : event.getPressure();
} else {
// Read x, y and pressure of each pointer
if (DEBUG)
Log.i("MultiTouch", "Got here 4");
int numPointers = Math.min(pointerCount, MAX_TOUCH_POINTS);
if (DEBUG && pointerCount > MAX_TOUCH_POINTS)
Log.i("MultiTouch", "Got more pointers than MAX_TOUCH_POINTS");
for (int ptrIdx = 0; ptrIdx < numPointers; ptrIdx++) {
int ptrId = (Integer) m_getPointerId.invoke(event, ptrIdx);
pointerIds[ptrIdx] = ptrId;
// N.B. if pointerCount == 1, then the following methods throw an array index out of range exception,
// and the code above is therefore required not just for Android 1.5/1.6 but also for when there is
// only one touch point on the screen -- pointlessly inconsistent :(
xVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalX.invoke(event, ptrIdx, histIdx) : m_getX.invoke(event, ptrIdx));
yVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalY.invoke(event, ptrIdx, histIdx) : m_getY.invoke(event, ptrIdx));
pressureVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalPressure.invoke(event, ptrIdx, histIdx) : m_getPressure
.invoke(event, ptrIdx));
}
}
// Decode event
decodeTouchEvent(pointerCount, xVals, yVals, pressureVals, pointerIds, //
/* action = */processingHist ? MotionEvent.ACTION_MOVE : action, //
/* down = */processingHist ? true : action != MotionEvent.ACTION_UP //
&& (action & ((1 << ACTION_POINTER_INDEX_SHIFT) - 1)) != ACTION_POINTER_UP //
&& action != MotionEvent.ACTION_CANCEL, //
processingHist ? event.getHistoricalEventTime(histIdx) : event.getEventTime());
}
return true;
} catch (Exception e) {
// In case any of the introspection stuff fails (it shouldn't)
Log.e("MultiTouchController", "onTouchEvent() failed", e);
return false;
}
}
Example 18
| Source File: MultiTouchController.java From Androzic with GNU General Public License v3.0 | 4 votes |
|
/** Process incoming touch events */
public boolean onTouchEvent(MotionEvent event) {
try {
int pointerCount = multiTouchSupported ? (Integer) m_getPointerCount.invoke(event) : 1;
if (DEBUG)
Log.i("MultiTouch", "Got here 1 - " + multiTouchSupported + " " + mMode + " " + handleSingleTouchEvents + " " + pointerCount);
if (mMode == MODE_NOTHING && !handleSingleTouchEvents && pointerCount == 1)
// Not handling initial single touch events, just pass them on
return false;
if (DEBUG)
Log.i("MultiTouch", "Got here 2");
// Handle history first (we sometimes get history with ACTION_MOVE events)
int action = event.getAction();
int histLen = event.getHistorySize() / pointerCount;
for (int histIdx = 0; histIdx <= histLen; histIdx++) {
// Read from history entries until histIdx == histLen, then read from current event
boolean processingHist = histIdx < histLen;
if (!multiTouchSupported || pointerCount == 1) {
// Use single-pointer methods -- these are needed as a special case (for some weird reason) even if
// multitouch is supported but there's only one touch point down currently -- event.getX(0) etc. throw
// an exception if there's only one point down.
if (DEBUG)
Log.i("MultiTouch", "Got here 3");
xVals[0] = processingHist ? event.getHistoricalX(histIdx) : event.getX();
yVals[0] = processingHist ? event.getHistoricalY(histIdx) : event.getY();
pressureVals[0] = processingHist ? event.getHistoricalPressure(histIdx) : event.getPressure();
} else {
// Read x, y and pressure of each pointer
if (DEBUG)
Log.i("MultiTouch", "Got here 4");
int numPointers = Math.min(pointerCount, MAX_TOUCH_POINTS);
if (DEBUG && pointerCount > MAX_TOUCH_POINTS)
Log.i("MultiTouch", "Got more pointers than MAX_TOUCH_POINTS");
for (int ptrIdx = 0; ptrIdx < numPointers; ptrIdx++) {
int ptrId = (Integer) m_getPointerId.invoke(event, ptrIdx);
pointerIds[ptrIdx] = ptrId;
// N.B. if pointerCount == 1, then the following methods throw an array index out of range exception,
// and the code above is therefore required not just for Android 1.5/1.6 but also for when there is
// only one touch point on the screen -- pointlessly inconsistent :(
xVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalX.invoke(event, ptrIdx, histIdx) : m_getX.invoke(event, ptrIdx));
yVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalY.invoke(event, ptrIdx, histIdx) : m_getY.invoke(event, ptrIdx));
pressureVals[ptrIdx] = (Float) (processingHist ? m_getHistoricalPressure.invoke(event, ptrIdx, histIdx) : m_getPressure
.invoke(event, ptrIdx));
}
}
// Decode event
decodeTouchEvent(pointerCount, xVals, yVals, pressureVals, pointerIds, //
/* action = */processingHist ? MotionEvent.ACTION_MOVE : action, //
/* down = */processingHist ? true : action != MotionEvent.ACTION_UP //
&& (action & ((1 << ACTION_POINTER_INDEX_SHIFT) - 1)) != ACTION_POINTER_UP //
&& action != MotionEvent.ACTION_CANCEL, //
processingHist ? event.getHistoricalEventTime(histIdx) : event.getEventTime());
}
return true;
} catch (Exception e) {
// In case any of the introspection stuff fails (it shouldn't)
Log.e("MultiTouchController", "onTouchEvent() failed", e);
return false;
}
}
Example 19
| Source File: ScaleGestureDetector.java From PhotoEditor with MIT License | 4 votes |
|
private void setContext(View view, MotionEvent curr) {
if (mCurrEvent != null) {
mCurrEvent.recycle();
}
mCurrEvent = MotionEvent.obtain(curr);
mCurrLen = -1;
mPrevLen = -1;
mScaleFactor = -1;
mCurrSpanVector.set(0.0f, 0.0f);
final MotionEvent prev = mPrevEvent;
final int prevIndex0 = prev.findPointerIndex(mActiveId0);
final int prevIndex1 = prev.findPointerIndex(mActiveId1);
final int currIndex0 = curr.findPointerIndex(mActiveId0);
final int currIndex1 = curr.findPointerIndex(mActiveId1);
if (prevIndex0 < 0 || prevIndex1 < 0 || currIndex0 < 0 || currIndex1 < 0) {
mInvalidGesture = true;
Log.e(TAG, "Invalid MotionEvent stream detected.", new Throwable());
if (mGestureInProgress) {
mListener.onScaleEnd(view, this);
}
return;
}
final float px0 = prev.getX(prevIndex0);
final float py0 = prev.getY(prevIndex0);
final float px1 = prev.getX(prevIndex1);
final float py1 = prev.getY(prevIndex1);
final float cx0 = curr.getX(currIndex0);
final float cy0 = curr.getY(currIndex0);
final float cx1 = curr.getX(currIndex1);
final float cy1 = curr.getY(currIndex1);
final float pvx = px1 - px0;
final float pvy = py1 - py0;
final float cvx = cx1 - cx0;
final float cvy = cy1 - cy0;
mCurrSpanVector.set(cvx, cvy);
mPrevFingerDiffX = pvx;
mPrevFingerDiffY = pvy;
mCurrFingerDiffX = cvx;
mCurrFingerDiffY = cvy;
mFocusX = cx0 + cvx * 0.5f;
mFocusY = cy0 + cvy * 0.5f;
mTimeDelta = curr.getEventTime() - prev.getEventTime();
mCurrPressure = curr.getPressure(currIndex0) + curr.getPressure(currIndex1);
mPrevPressure = prev.getPressure(prevIndex0) + prev.getPressure(prevIndex1);
}
Example 20
| Source File: TouchPoint.java From android-chromium with BSD 2-Clause "Simplified" License | 4 votes |
|
public static int createTouchPoints(MotionEvent event, TouchPoint[] pts) {
int type;
int defaultState;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
type = TOUCH_EVENT_TYPE_START;
defaultState = TOUCH_POINT_STATE_PRESSED;
break;
case MotionEvent.ACTION_MOVE:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_MOVED;
break;
case MotionEvent.ACTION_UP:
type = TOUCH_EVENT_TYPE_END;
defaultState = TOUCH_POINT_STATE_RELEASED;
break;
case MotionEvent.ACTION_CANCEL:
type = TOUCH_EVENT_TYPE_CANCEL;
defaultState = TOUCH_POINT_STATE_CANCELLED;
break;
case MotionEvent.ACTION_POINTER_DOWN: // fall through.
case MotionEvent.ACTION_POINTER_UP:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_STATIONARY;
break;
default:
Log.e("Chromium", "Unknown motion event action: " + event.getActionMasked());
return CONVERSION_ERROR;
}
for (int i = 0; i < pts.length; ++i) {
int state = defaultState;
if (defaultState == TOUCH_POINT_STATE_STATIONARY && event.getActionIndex() == i) {
// An additional pointer has started or ended. Map this pointer state as
// required, and all other pointers as "stationary".
state = event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN ?
TOUCH_POINT_STATE_PRESSED : TOUCH_POINT_STATE_RELEASED;
}
pts[i] = new TouchPoint(state, event.getPointerId(i),
event.getX(i), event.getY(i),
event.getSize(i), event.getPressure(i));
}
return type;
}
