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()

Source Link

Usage

From source file:xyz.zpayh.hdimage.HDImageView.java

public final PointF sourceToViewCoordinate(float sx, float sy) {
    return sourceToViewCoordinate(sx, sy, new PointF());
}

From source file:me.ccrama.redditslide.Views.SubsamplingScaleImageView.java

/**
 * Sets scale and translate ready for the next draw.
 *///from   w w  w . jav  a  2s .  c  o  m
private void preDraw() {
    if (getWidth() == 0 || getHeight() == 0 || sWidth <= 0 || sHeight <= 0) {
        return;
    }

    // If waiting to translate to new center position, set translate now
    if (sPendingCenter != null && pendingScale != null) {
        setScale(pendingScale);
        if (vTranslate == null) {
            vTranslate = new PointF();
        }
        vTranslate.x = (getWidth() / 2) - (scale * sPendingCenter.x);
        vTranslate.y = (getHeight() / 2) - (scale * sPendingCenter.y);
        sPendingCenter = null;
        pendingScale = null;
        fitToBounds(true);
        refreshRequiredTiles(true);
    }

    // On first display of base image set up position, and in other cases make sure scale is correct.
    fitToBounds(false);
}

From source file:xyz.zpayh.hdimage.HDImageView.java

private void startZoomForCenter(PointF sCenter, float scaleEnd) {
    if (mValueAnimator != null) {
        mValueAnimator.cancel();//from   w w  w  . j a  v a  2  s .  c o  m
    }
    final int vxCenter = (getWidth() + getPaddingLeft() - getPaddingRight()) / 2;
    final int vyCenter = (getHeight() + getPaddingTop() - getPaddingBottom()) / 2;

    final float limitScale = limitedScale(scaleEnd);

    final PointF limitSourceCenter = limitedSourceCenter(sCenter.x, sCenter.y, limitScale, new PointF());

    mValueAnimator = new AnimationBuilder(limitSourceCenter).setTarget(this).setScaleStart(mScale)
            .setScaleEnd(limitScale).setViewFocusStart(sourceToViewCoordinate(limitSourceCenter))
            .setViewFocusEnd(new PointF(vxCenter, vyCenter)).setDuration(mDuration).setInterrupt(false)
            .setTranslateInterpolator(mTranslationAnimationInterpolator)
            .setScaleInterpolator(mScaleAnimationInterpolator).addAnimationListener(mAnimatorListener)
            .addAnimationListener(mAnimatorListenerCompat).addAnimationUpdateListener(mAnimatorUpdateListener)
            .addAnimationUpdateListener(mAnimatorUpdateListenerCompat).build();

    mValueAnimator.start();

    Log.d(TAG, "startZoomForCenter");
}

From source file:xyz.zpayh.hdimage.HDImageView.java

private void startZoomForFixed(PointF sCenter, PointF vFocus, float scaleEnd) {

    if (mValueAnimator != null) {
        mValueAnimator.cancel();/*from  w w w . j a  va  2s .  c  om*/
    }

    final float limitScale = limitedScale(scaleEnd);

    final PointF limitSourceCenter = limitedSourceCenter(sCenter.x, sCenter.y, limitScale, new PointF());

    PointF focusEnd;
    if (vFocus != null) {
        PointF center = getCenter();
        float vTranslateXEnd = vFocus.x - (limitScale * center.x);
        float vTranslateYEnd = vFocus.y - (limitScale * center.y);
        ScaleAndTranslate satEnd = new ScaleAndTranslate(limitScale,
                new PointF(vTranslateXEnd, vTranslateYEnd));
        fitToBounds(true, satEnd);
        focusEnd = new PointF(vFocus.x + (satEnd.mViewTranslate.x - vTranslateXEnd),
                vFocus.y + (satEnd.mViewTranslate.y - vTranslateYEnd));
    } else {
        final int vxCenter = (getWidth() + getPaddingLeft() - getPaddingRight()) / 2;
        final int vyCenter = (getHeight() + getPaddingTop() - getPaddingBottom()) / 2;
        focusEnd = new PointF(vxCenter, vyCenter);
    }

    mValueAnimator = new AnimationBuilder(limitSourceCenter).setTarget(this).setScaleStart(mScale)
            .setScaleEnd(limitScale).setViewFocusStart(sourceToViewCoordinate(limitSourceCenter))
            .setViewFocusEnd(focusEnd).setDuration(mDuration).setInterrupt(false)
            .setTranslateInterpolator(mTranslationAnimationInterpolator)
            .setScaleInterpolator(mScaleAnimationInterpolator).addAnimationListener(mAnimatorListener)
            .addAnimationListener(mAnimatorListenerCompat).addAnimationUpdateListener(mAnimatorUpdateListener)
            .addAnimationUpdateListener(mAnimatorUpdateListenerCompat).build();

    mValueAnimator.start();

    Log.d(TAG, "startZoomForFixed");
}

From source file:cn.ismartv.tvrecyclerview.widget.StaggeredGridLayoutManager.java

@Override
public PointF computeScrollVectorForPosition(int targetPosition) {
    final int direction = calculateScrollDirectionForPosition(targetPosition);
    PointF outVector = new PointF();
    if (direction == 0) {
        return null;
    }//from   w ww  .j a  va  2  s.c om
    if (mOrientation == HORIZONTAL) {
        outVector.x = direction;
        outVector.y = 0;
    } else {
        outVector.x = 0;
        outVector.y = direction;
    }
    return outVector;
}

From source file:me.ccrama.redditslide.Views.SubsamplingScaleImageView.java

/**
 * Convert screen coordinate to source coordinate.
 *//*from   www .  j  a v  a  2s. c  o  m*/
public final PointF viewToSourceCoord(PointF vxy) {
    return viewToSourceCoord(vxy.x, vxy.y, new PointF());
}

From source file:me.ccrama.redditslide.Views.SubsamplingScaleImageView.java

/**
 * Convert screen coordinate to source coordinate.
 *///from  www  .j  ava2  s.c  om
public final PointF viewToSourceCoord(float vx, float vy) {
    return viewToSourceCoord(vx, vy, new PointF());
}

From source file:me.ccrama.redditslide.Views.SubsamplingScaleImageView.java

/**
 * Convert source coordinate to screen coordinate.
 *//*from   w  ww .j a  va 2 s.  co m*/
public final PointF sourceToViewCoord(PointF sxy) {
    return sourceToViewCoord(sxy.x, sxy.y, new PointF());
}

From source file:me.ccrama.redditslide.Views.SubsamplingScaleImageView.java

/**
 * Convert source coordinate to screen coordinate.
 *///from ww  w.j a v a  2s  .c  o m
public final PointF sourceToViewCoord(float sx, float sy) {
    return sourceToViewCoord(sx, sy, new PointF());
}