Examples with PointF android.graphics.PointF used on opensource projects

Example 66 with PointF

use of android.graphics.PointF in project android by nextcloud.

the class TouchImageView method getZoomedRect.

/**
 * Return a Rect representing the zoomed image.
 * @return rect representing zoomed image
 */
public RectF getZoomedRect() {
    if (mScaleType == ScaleType.FIT_XY) {
        throw new UnsupportedOperationException("getZoomedRect() not supported with FIT_XY");
    }
    PointF topLeft = transformCoordTouchToBitmap(0, 0, true);
    PointF bottomRight = transformCoordTouchToBitmap(viewWidth, viewHeight, true);
    float w = getDrawable().getIntrinsicWidth();
    float h = getDrawable().getIntrinsicHeight();
    return new RectF(topLeft.x / w, topLeft.y / h, bottomRight.x / w, bottomRight.y / h);
}

Example 67 with PointF

use of android.graphics.PointF in project android by nextcloud.

the class TouchImageView method getScrollPosition.

/**
 * Return the point at the center of the zoomed image. The PointF coordinates range
 * in value between 0 and 1 and the focus point is denoted as a fraction from the left
 * and top of the view. For example, the top left corner of the image would be (0, 0).
 * And the bottom right corner would be (1, 1).
 * @return PointF representing the scroll position of the zoomed image.
 */
public PointF getScrollPosition() {
    Drawable drawable = getDrawable();
    if (drawable == null) {
        return null;
    }
    int drawableWidth = drawable.getIntrinsicWidth();
    int drawableHeight = drawable.getIntrinsicHeight();
    PointF point = transformCoordTouchToBitmap(viewWidth / 2, viewHeight / 2, true);
    point.x /= drawableWidth;
    point.y /= drawableHeight;
    return point;
}

Example 68 with PointF

use of android.graphics.PointF in project android_frameworks_base by crdroidandroid.

the class ViewRootImpl method dispatchMoved.

public void dispatchMoved(int newX, int newY) {
    if (DEBUG_LAYOUT)
        Log.v(mTag, "Window moved " + this + ": newX=" + newX + " newY=" + newY);
    if (mTranslator != null) {
        PointF point = new PointF(newX, newY);
        mTranslator.translatePointInScreenToAppWindow(point);
        newX = (int) (point.x + 0.5);
        newY = (int) (point.y + 0.5);
    }
    Message msg = mHandler.obtainMessage(MSG_WINDOW_MOVED, newX, newY);
    mHandler.sendMessage(msg);
}

Example 69 with PointF

use of android.graphics.PointF in project android_frameworks_base by crdroidandroid.

the class ViewGroup method onResolvePointerIcon.

@Override
public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
    final float x = event.getX(pointerIndex);
    final float y = event.getY(pointerIndex);
    if (isOnScrollbarThumb(x, y) || isDraggingScrollBar()) {
        return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_ARROW);
    }
    // Check what the child under the pointer says about the pointer.
    final int childrenCount = mChildrenCount;
    if (childrenCount != 0) {
        final ArrayList<View> preorderedList = buildOrderedChildList();
        final boolean customOrder = preorderedList == null && isChildrenDrawingOrderEnabled();
        final View[] children = mChildren;
        for (int i = childrenCount - 1; i >= 0; i--) {
            final int childIndex = getAndVerifyPreorderedIndex(childrenCount, i, customOrder);
            final View child = getAndVerifyPreorderedView(preorderedList, children, childIndex);
            final PointF point = getLocalPoint();
            if (isTransformedTouchPointInView(x, y, child, point)) {
                final PointerIcon pointerIcon = dispatchResolvePointerIcon(event, pointerIndex, child);
                if (pointerIcon != null) {
                    if (preorderedList != null)
                        preorderedList.clear();
                    return pointerIcon;
                }
                break;
            }
        }
        if (preorderedList != null)
            preorderedList.clear();
    }
    // implementation.
    return super.onResolvePointerIcon(event, pointerIndex);
}

Example 70 with PointF

use of android.graphics.PointF in project android_frameworks_base by crdroidandroid.

the class Quad method rotated.

/**
     * Rotate the quad by the given angle.
     *
     * The Quad is rotated counter-clockwise around its centroid.
     *
     * @param angle the angle to rotate in radians
     * @return the rotated Quad
     */
public Quad rotated(float angle) {
    PointF center = center();
    float cosa = (float) Math.cos(angle);
    float sina = (float) Math.sin(angle);
    PointF topLeft = rotatePoint(topLeft(), center, cosa, sina);
    PointF topRight = rotatePoint(topRight(), center, cosa, sina);
    PointF bottomLeft = rotatePoint(bottomLeft(), center, cosa, sina);
    PointF bottomRight = rotatePoint(bottomRight(), center, cosa, sina);
    return new Quad(topLeft, topRight, bottomLeft, bottomRight);
}