Example usage for android.graphics RectF RectF

Introduction

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

Prototype

public RectF() 

Source Link

Document

Create a new empty RectF.

Usage

From source file:arun.com.chromer.browsing.article.view.ElasticDragDismissFrameLayout.java

private void dragScale(int scroll) {
    if (scroll == 0)
        return;//www .ja  v  a 2  s  . c  o m

    totalDrag += scroll;
    View child = getChildAt(0);

    // track the direction & set the pivot point for scaling
    // don't double track i.e. if play dragging down and then reverse, keep tracking as
    // dragging down until they reach the 'natural' position
    if (scroll < 0 && !draggingUp && !draggingDown) {
        draggingDown = true;
        if (shouldScale)
            child.setPivotY(getHeight());
    } else if (scroll > 0 && !draggingDown && !draggingUp) {
        draggingUp = true;
        if (shouldScale)
            child.setPivotY(0f);
    }
    // how far have we dragged relative to the distance to perform a dismiss
    // (01 where 1 = dismiss distance). Decreasing logarithmically as we approach the limit
    float dragFraction = (float) Math.log10(1 + (Math.abs(totalDrag) / dragDismissDistance));

    // calculate the desired translation given the drag fraction
    float dragTo = dragFraction * dragDismissDistance * dragElasticity;

    if (draggingUp) {
        // as we use the absolute magnitude when calculating the drag fraction, need to
        // re-apply the drag direction
        dragTo *= -1;
    }
    child.setTranslationY(dragTo);

    if (draggingBackground == null) {
        draggingBackground = new RectF();
        draggingBackground.left = 0;
        draggingBackground.right = getWidth();
    }

    if (shouldScale) {
        final float scale = 1 - ((1 - dragDismissScale) * dragFraction);
        child.setScaleX(scale);
        child.setScaleY(scale);
    }

    // if we've reversed direction and gone past the settle point then clear the flags to
    // allow the list to get the scroll events & reset any transforms
    if ((draggingDown && totalDrag >= 0) || (draggingUp && totalDrag <= 0)) {
        totalDrag = dragTo = dragFraction = 0;
        draggingDown = draggingUp = false;
        child.setTranslationY(0f);
        child.setScaleX(1f);
        child.setScaleY(1f);
    }

    // draw the background above or below the view where it has scrolled at
    if (draggingUp) {
        draggingBackground.bottom = getHeight();
        draggingBackground.top = getHeight() + dragTo;
        invalidate();
    } else if (draggingDown) {
        draggingBackground.top = 0;
        draggingBackground.bottom = dragTo;
        invalidate();
    }

    dispatchDragCallback(dragFraction, dragTo, Math.min(1f, Math.abs(totalDrag) / dragDismissDistance),
            totalDrag);
}

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From source file:com.ffmpegtest.VideoActivity.java

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
private void swapScaleType() {
    FFmpegSurfaceView view = (FFmpegSurfaceView) mVideoView;
    FFmpegSurfaceView.ScaleType scaleType = view.getScaleType();
    ScaleType newScaleType;/* w  w  w  .  jav a2 s  .c  o m*/
    if (ScaleType.CENTER_INSIDE.equals(scaleType)) {
        newScaleType = ScaleType.CENTER_CROP;
    } else if (ScaleType.CENTER_CROP.equals(scaleType)) {
        newScaleType = ScaleType.FIT_XY;
    } else {
        newScaleType = ScaleType.CENTER_INSIDE;
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        view.setScaleType(newScaleType, true);
        RectF dst = new RectF();
        view.calculateRect(dst, newScaleType);
        ObjectAnimator anim = ObjectAnimator.ofObject(view, "destinationRect", new RectEvaluator(), dst);
        anim.setInterpolator(new AccelerateDecelerateInterpolator());
        anim.start();
    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        view.setScaleType(newScaleType, true);
        RectF dst = new RectF();
        view.calculateRect(dst, newScaleType);
        ObjectAnimator anim = ObjectAnimator.ofObject(view, new PropertyDestinationRect(), new RectEvaluator(),
                dst);
        anim.setInterpolator(new AccelerateDecelerateInterpolator());
        anim.start();
    } else {
        view.setScaleType(newScaleType, false);
    }
}

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From source file:com.raspi.chatapp.util.Notification.java

private Bitmap getLargeIcon(int bgColor, char letter, float width, boolean round) {
    Bitmap b = Bitmap.createBitmap((int) width, (int) width, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);

    RectF mInnerRectF = new RectF();
    mInnerRectF.set(0, 0, width, width);
    mInnerRectF.offset(0, 0);//from  www  . jav a  2s. c o  m

    Paint mBgPaint = new Paint();
    mBgPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
    mBgPaint.setStyle(Paint.Style.FILL);
    mBgPaint.setColor(bgColor);

    TextPaint mTitleTextPaint = new TextPaint();
    mTitleTextPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
    mTitleTextPaint.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
    mTitleTextPaint.setTextAlign(Paint.Align.CENTER);
    mTitleTextPaint.setLinearText(true);
    mTitleTextPaint.setColor(Color.WHITE);
    mTitleTextPaint.setTextSize(width * 0.8f);

    float centerX = mInnerRectF.centerX();
    float centerY = mInnerRectF.centerY();

    int xPos = (int) centerX;
    int yPos = (int) (centerY - (mTitleTextPaint.descent() + mTitleTextPaint.ascent()) / 2);

    if (round)
        c.drawOval(mInnerRectF, mBgPaint);
    else
        c.drawRect(mInnerRectF, mBgPaint);
    c.drawText(String.valueOf(letter), xPos, yPos, mTitleTextPaint);

    return b;
}

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From source file:com.apptentive.android.sdk.util.image.PreviewImageView.java

/**
 * Get image boundary from matrix//from   w w w . j a va  2s .  c  o m
 *
 * @return
 */
private RectF getMatrixRectF() {
    Matrix matrix = scaleMatrix;
    RectF rect = new RectF();
    Drawable d = getDrawable();
    if (null != d) {
        rect.set(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
        matrix.mapRect(rect);
    }
    return rect;
}

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From source file:com.fanfou.app.opensource.ui.viewpager.TitlePageIndicator.java

/**
 * Calculate the bounds for a view's title
 * /*from  w  ww  .java  2 s  .co m*/
 * @param index
 * @param paint
 * @return
 */
private RectF calcBounds(final int index, final Paint paint) {
    // Calculate the text bounds
    final RectF bounds = new RectF();
    bounds.right = paint.measureText(this.mTitleProvider.getTitle(index));
    bounds.bottom = paint.descent() - paint.ascent();
    return bounds;
}

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From source file:com.appunite.list.FastScroller.java

private void init(Context context) {
    // Get both the scrollbar states drawables
    TypedArray ta = context.getTheme().obtainStyledAttributes(ATTRS);
    useThumbDrawable(context, ta.getDrawable(THUMB_DRAWABLE));
    mTrackDrawable = ta.getDrawable(TRACK_DRAWABLE);

    mOverlayDrawableLeft = ta.getDrawable(PREVIEW_BACKGROUND_LEFT);
    mOverlayDrawableRight = ta.getDrawable(PREVIEW_BACKGROUND_RIGHT);
    mOverlayPosition = ta.getInt(OVERLAY_POSITION, OVERLAY_FLOATING);

    mScrollCompleted = true;/*from   w w  w.  ja  va  2  s  .c  o m*/

    getSectionsFromIndexer();

    mOverlaySize = context.getResources().getDimensionPixelSize(R.dimen.fastscroll_overlay_size);
    mOverlayPos = new RectF();
    mScrollFade = new ScrollFade();
    mPaint = new Paint();
    mPaint.setAntiAlias(true);
    mPaint.setTextAlign(Paint.Align.CENTER);
    mPaint.setTextSize(mOverlaySize / 2);

    ColorStateList textColor = ta.getColorStateList(TEXT_COLOR);
    int textColorNormal = textColor.getDefaultColor();
    mPaint.setColor(textColorNormal);
    mPaint.setStyle(Paint.Style.FILL_AND_STROKE);

    // to show mOverlayDrawable properly
    if (mList.getWidth() > 0 && mList.getHeight() > 0) {
        onSizeChanged(mList.getWidth(), mList.getHeight(), 0, 0);
    }

    mState = STATE_NONE;
    refreshDrawableState();

    ta.recycle();

    mScaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();

    mMatchDragPosition = context
            .getApplicationInfo().targetSdkVersion >= android.os.Build.VERSION_CODES.HONEYCOMB;

    setScrollbarPosition(Compat.getVerticalScrollbarPosition(mList));
}

---

From source file:com.common.widget.hzlib.FastScroller.java

private void init(Context context) {
    // Get both the scrollbar states drawables
    TypedArray ta = context.getTheme().obtainStyledAttributes(ATTRS);
    useThumbDrawable(context, ta.getDrawable(THUMB_DRAWABLE));
    mTrackDrawable = ta.getDrawable(TRACK_DRAWABLE);

    mOverlayDrawableLeft = ta.getDrawable(PREVIEW_BACKGROUND_LEFT);
    mOverlayDrawableRight = ta.getDrawable(PREVIEW_BACKGROUND_RIGHT);
    mOverlayPosition = ta.getInt(OVERLAY_POSITION, OVERLAY_FLOATING);

    mScrollCompleted = true;/*ww w .  java 2  s  .  c  om*/

    getSectionsFromIndexer();

    mOverlaySize = context.getResources().getDimensionPixelSize(R.dimen.fastscroll_overlay_size);
    mOverlayPos = new RectF();
    mScrollFade = new ScrollFade();
    mPaint = new Paint();
    mPaint.setAntiAlias(true);
    mPaint.setTextAlign(Paint.Align.CENTER);
    mPaint.setTextSize(mOverlaySize / 2);

    ColorStateList textColor = ta.getColorStateList(TEXT_COLOR);
    int textColorNormal = textColor.getDefaultColor();
    mPaint.setColor(textColorNormal);
    mPaint.setStyle(Paint.Style.FILL_AND_STROKE);

    // to show mOverlayDrawable properly
    if (mList.getWidth() > 0 && mList.getHeight() > 0) {
        onSizeChanged(mList.getWidth(), mList.getHeight(), 0, 0);
    }

    mState = STATE_NONE;
    refreshDrawableState();

    ta.recycle();

    mScaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();

    mMatchDragPosition = context
            .getApplicationInfo().targetSdkVersion >= android.os.Build.VERSION_CODES.HONEYCOMB;

    setScrollbarPosition(mList.getVerticalScrollbarPosition());
}

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From source file:chinanurse.cn.nurse.list.WaveView.java

private void initView() {
    setUpPaint();
    setUpPath();
    resetAnimator();

    mDropRect = new RectF();
    setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}

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From source file:iSoron.HistoryChart.java

private void initRects() {
    baseLocation = new RectF();
}

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From source file:com.guodong.sun.guodong.widget.ZoomImageView.java

/**
 * ???l,r,t,b/* w w w  . j av  a 2s  . co m*/
 *
 * @return
 */
private RectF getMatrixRectF() {

    Matrix matrix = mScaleMatrix;
    RectF rectF = new RectF();
    Drawable d = getDrawable();

    if (d != null) {

        rectF.set(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
        matrix.mapRect(rectF);
    }
    return rectF;
}

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