Example usage for android.graphics PointF PointF

Introduction

In this page you can find the example usage for android.graphics PointF PointF.

Prototype

public PointF(float x, float y) 

Source Link

Usage

From source file:com.funzio.pure2D.atlas.JsonAtlas.java

protected AtlasFrame parseFrame(final int index, final JSONObject frameJson, final float scale)
        throws JSONException {
    final JSONObject frame = frameJson.getJSONObject("frame");
    final boolean trimmed = frameJson.getBoolean("trimmed");
    final boolean rotated = frameJson.getBoolean("rotated");

    final int left = frame.getInt("x");
    final int top = frame.getInt("y");
    final int w = frame.getInt("w");
    final int h = frame.getInt("h");
    final int right = left + (rotated ? h : w);
    final int bottom = top + (rotated ? w : h);

    final AtlasFrame atlasFrame = new AtlasFrame(this, index, frameJson.getString("filename"),
            new RectF(left * scale, top * scale, right * scale, bottom * scale));
    if (trimmed) {

        final JSONObject spriteSourceSize = frameJson.getJSONObject("spriteSourceSize");
        final int offsetX = spriteSourceSize.getInt("x");
        int offsetY = spriteSourceSize.getInt("y");
        // check axis
        if (mAxisSystem == Scene.AXIS_BOTTOM_LEFT) {
            final JSONObject sourceSize = frameJson.getJSONObject("sourceSize");
            // flip for axis
            offsetY = sourceSize.getInt("h") - (spriteSourceSize.getInt("y") + spriteSourceSize.getInt("h"));
        }/*from  w w  w .  j a  va2s .  c o m*/

        if (offsetX != 0 || offsetY != 0) {
            atlasFrame.mOffset = new PointF(offsetX * scale, offsetY * scale);
        }
    }
    if (rotated) {
        atlasFrame.rotateCCW();
    }

    return atlasFrame;
}

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From source file:org.thoughtcrime.securesms.scribbles.widget.MotionView.java

private void updateOnLongPress(MotionEvent e) {
    // if layer is currently selected and point inside layer - move it to front
    if (selectedEntity != null) {
        PointF p = new PointF(e.getX(), e.getY());
        if (selectedEntity.pointInLayerRect(p)) {
            bringLayerToFront(selectedEntity);
        }/*  w  w w  .  j a  v  a2s.  c  o m*/
    }
}

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From source file:eu.veldsoft.adsbobball.ActivityStateEnum.java

@Override
public boolean onTouch(View v, MotionEvent event) {
    if (gameView == null || gameManager == null)
        return true;

    PointF evPoint = gameView.transformPix2Coords(new PointF(event.getX(), event.getY()));

    if (event.getAction() == MotionEvent.ACTION_DOWN) {
        initialTouchPoint = evPoint;/*  ww w  .j  ava2  s  .co  m*/
    } else if (event.getAction() == MotionEvent.ACTION_UP) {
        initialTouchPoint = null;
    } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
        if (initialTouchPoint != null
                && gameManager.getGrid().validPoint(initialTouchPoint.x, initialTouchPoint.y)) {
            TouchDirection dir = null;
            if (evPoint.x > (initialTouchPoint.x + TOUCH_DETECT_SQUARES)
                    || evPoint.x < initialTouchPoint.x - TOUCH_DETECT_SQUARES)
                dir = TouchDirection.HORIZONTAL;
            else if (evPoint.y > (initialTouchPoint.y + TOUCH_DETECT_SQUARES)
                    || evPoint.y < initialTouchPoint.y - TOUCH_DETECT_SQUARES)
                dir = TouchDirection.VERTICAL;
            if (dir != null) {
                gameManager.addEvent(
                        new GameEventStartBar(gameManager.getGameTime(), initialTouchPoint, dir, playerId));
                initialTouchPoint = null;
            }
        }
    }

    return true;
}

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From source file:com.devbrackets.android.recyclerext.decoration.ReorderDecoration.java

/**
 * Manually starts the reorder process for the specified view.  This should not be used if the {@link #setDragHandleId(int)} is
 * set and should control the reordering.
 *
 * @param view The View to start reordering
 * @param startMotionEvent The MotionEvent that starts the reorder
 */// w  w w . j  av  a2  s .c  o m
public void startReorder(View view, @Nullable MotionEvent startMotionEvent) {
    if (dragState == DragState.DRAGGING) {
        return;
    }

    if (startMotionEvent != null) {
        fingerOffset = new PointF(startMotionEvent.getRawX(), startMotionEvent.getRawY());

        int[] rawViewLoc = new int[2];
        view.getLocationOnScreen(rawViewLoc);
        fingerOffset.x = rawViewLoc[0] - fingerOffset.x;
        fingerOffset.y = rawViewLoc[1] - fingerOffset.y;
    }

    dragState = DragState.DRAGGING;
    dragItem = createDragBitmap(view);

    selectedDragItemPosition = recyclerView.getChildAdapterPosition(view);
}

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From source file:com.zenithed.core.widget.scaledimageview.ScaledImageView.java

@Override
public void computeScroll() {
    super.computeScroll();
    if (isEnabled() && mContentWidth > 0 && mContentHeight > 0) {

        // handles scroll changes.
        if (mScroller.computeScrollOffset()) {
            final int currX = mScroller.getCurrX();
            final int currY = mScroller.getCurrY();

            final int maxOffsetX = (int) (mContentWidth * mScale) - getWidth();
            final int maxOffsetY = (int) (mContentHeight * mScale) - getHeight();

            if (mScroller.getFinalX() > maxOffsetX) {
                mScroller.setFinalX(maxOffsetX);
            }//w w w  .ja va 2s .  c om

            if (mScroller.getFinalY() > maxOffsetY) {
                mScroller.setFinalY(maxOffsetY);
            }

            mTranslate.x = currX * -1;
            mTranslate.y = currY * -1;

            fitToBounds();
            refreshRequiredTiles(false);
            ViewCompat.postInvalidateOnAnimation(ScaledImageView.this);
        }

        // handles zoom changes.
        if (mZoomer.computeZoom()) {
            mScale = Math.min(mMaxScale, mZoomer.getCurrZoom());

            zoomAndFocusOnPoint(mZoomerInitialDestinationPoint, new PointF(getWidth() / 2, getHeight() / 2),
                    mZoomerInitialScale);
        }
    }

}

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From source file:com.rstar.mobile.thermocouple.functions.Fn.java

public PointF[] getSeebeckCurveControlPoints() {
    double[] controlTemperature = getControlTemperaturesFor_dE();
    if (controlTemperature == null || controlTemperature.length == 0)
        return null;

    try {/* w w  w  .j  a v  a 2s .  co m*/
        int count = controlTemperature.length;
        double[] dEdT = new double[count];
        for (int index = 0; index < count; index++) {
            dEdT[index] = compute_dEdT(controlTemperature[index]);
        }
        PointF[] pointF = new PointF[count];
        for (int index = 0; index < count; index++) {
            pointF[index] = new PointF((float) controlTemperature[index], (float) dEdT[index]);
        }
        return pointF;
    } catch (Exception e) {
        return null;
    }
}

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From source file:com.heneryh.aquanotes.ui.controllers.GraphsFragment.java

public boolean onTouch(View arg0, MotionEvent event) {
    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: // Start gesture
        firstFinger = new PointF(event.getX(), event.getY());
        mode = ONE_FINGER_DRAG;/*from   w  ww.j  a  v  a  2s. c  o m*/
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_POINTER_UP:
        //When the gesture ends, a thread is created to give inertia to the scrolling and zoom 
        final Timer t = new Timer();
        t.schedule(new TimerTask() {
            @Override
            public void run() {
                while (Math.abs(lastScrolling) > 1f || Math.abs(lastZooming - 1) < 1.01) {
                    lastScrolling *= .8; //speed of scrolling damping
                    scroll(lastScrolling);
                    lastZooming += (1 - lastZooming) * .2; //speed of zooming damping
                    zoom(lastZooming);
                    checkBoundaries();
                    try {
                        mySimpleXYPlot.postRedraw();
                    } catch (final InterruptedException e) {
                        e.printStackTrace();
                    }
                    // the thread lives until the scrolling and zooming are imperceptible
                }
            }
        }, 0);

    case MotionEvent.ACTION_POINTER_DOWN: // second finger
        distBetweenFingers = spacing(event);
        // the distance check is done to avoid false alarms
        if (distBetweenFingers > 5f)
            mode = TWO_FINGERS_DRAG;
        break;
    case MotionEvent.ACTION_MOVE:
        if (mode == ONE_FINGER_DRAG) {
            final PointF oldFirstFinger = firstFinger;
            firstFinger = new PointF(event.getX(), event.getY());
            lastScrolling = oldFirstFinger.x - firstFinger.x;
            scroll(lastScrolling);
            lastZooming = (firstFinger.y - oldFirstFinger.y) / mySimpleXYPlot.getHeight();
            if (lastZooming < 0)
                lastZooming = 1 / (1 - lastZooming);
            else
                lastZooming += 1;
            zoom(lastZooming);
            checkBoundaries();
            mySimpleXYPlot.redraw();

        } else if (mode == TWO_FINGERS_DRAG) {
            final float oldDist = distBetweenFingers;
            distBetweenFingers = spacing(event);
            lastZooming = oldDist / distBetweenFingers;
            zoom(lastZooming);
            checkBoundaries();
            mySimpleXYPlot.redraw();
        }
        break;
    }
    return true;
}

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From source file:eu.hydrologis.geopaparazzi.chart.ProfileChartActivity.java

private void updateView() {

    // Remove all current series from each plot
    for (XYSeries setElement : xyPlotSpeed.getSeriesSet()) {
        xyPlotSpeed.removeSeries(setElement);
    }/*from   w ww. ja va 2 s . c om*/
    for (XYSeries setElement : xyPlotElev.getSeriesSet()) {
        xyPlotElev.removeSeries(setElement);
    }

    // Add series to each plot as needed.
    xyPlotSpeed.addSeries(seriesSpeed, seriesSpeedFormat);
    xyPlotElev.addSeries(seriesElev, seriesElevFormat);

    // Finalise each Plot based on whether they have any series or not.
    if (!xyPlotElev.getSeriesSet().isEmpty()) {
        xyPlotElev.setVisibility(XYPlot.VISIBLE);
        xyPlotElev.redraw();
    } else {
        xyPlotElev.setVisibility(XYPlot.INVISIBLE);
    }

    if (!xyPlotSpeed.getSeriesSet().isEmpty()) {
        xyPlotSpeed.setVisibility(XYPlot.VISIBLE);
        xyPlotSpeed.redraw();
    } else {
        xyPlotSpeed.setVisibility(XYPlot.INVISIBLE);
    }

    xyPlotSpeed.calculateMinMaxVals();
    minXYSpeed = new PointF(xyPlotSpeed.getCalculatedMinX().floatValue(),
            xyPlotSpeed.getCalculatedMinY().floatValue());
    maxXYSpeed = new PointF(xyPlotSpeed.getCalculatedMaxX().floatValue(),
            xyPlotSpeed.getCalculatedMaxY().floatValue());

    xyPlotElev.calculateMinMaxVals();
    minXYElevation = new PointF(xyPlotElev.getCalculatedMinX().floatValue(),
            xyPlotElev.getCalculatedMinY().floatValue());
    maxXYElevation = new PointF(xyPlotElev.getCalculatedMaxX().floatValue(),
            xyPlotElev.getCalculatedMaxY().floatValue());

    infoTextView.setText("Active elevation diff: " + elevDifference + "m");
}

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From source file:com.jrummyapps.android.widget.AnimatedSvgView.java

/**
 * Set the viewport width and height of the SVG. This can be found in the viewBox in the SVG. This is not the size
 * of the view./*from  w ww.j a v a2s  .  c  o m*/
 *
 * @param viewportWidth
 *     the width
 * @param viewportHeight
 *     the height
 */
public void setViewportSize(float viewportWidth, float viewportHeight) {
    mViewportWidth = viewportWidth;
    mViewportHeight = viewportHeight;
    aspectRatioWidth = viewportWidth;
    aspectRatioHeight = viewportHeight;
    mViewport = new PointF(mViewportWidth, mViewportHeight);
    requestLayout();
}

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From source file:android.support.v7.extensions.BaseLayoutManager.java

public PointF computeScrollVectorForPosition(int targetPosition) {
    if (getChildCount() == 0) {
        return null;
    }/*from www  . j a  v  a 2 s.  c o  m*/
    final int firstChildPos = getPosition(getChildAt(0));
    final int direction = targetPosition < firstChildPos != mShouldReverseLayout ? -1 : 1;
    if (mOrientation == HORIZONTAL) {
        return new PointF(direction, 0);
    } else {
        return new PointF(0, direction);
    }
}

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