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

Example 11 with PointF

use of android.graphics.PointF in project subsampling-scale-image-view by davemorrissey.

the class AdvancedEventHandlingActivity method initialiseImage.

private void initialiseImage() {
    final SubsamplingScaleImageView imageView = (SubsamplingScaleImageView) findViewById(id.imageView);
    final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {

        @Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            if (imageView.isReady()) {
                PointF sCoord = imageView.viewToSourceCoord(e.getX(), e.getY());
                Toast.makeText(getApplicationContext(), "Single tap: " + ((int) sCoord.x) + ", " + ((int) sCoord.y), Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(getApplicationContext(), "Single tap: Image not ready", Toast.LENGTH_SHORT).show();
            }
            return true;
        }

        @Override
        public void onLongPress(MotionEvent e) {
            if (imageView.isReady()) {
                PointF sCoord = imageView.viewToSourceCoord(e.getX(), e.getY());
                Toast.makeText(getApplicationContext(), "Long press: " + ((int) sCoord.x) + ", " + ((int) sCoord.y), Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(getApplicationContext(), "Long press: Image not ready", Toast.LENGTH_SHORT).show();
            }
        }

        @Override
        public boolean onDoubleTap(MotionEvent e) {
            if (imageView.isReady()) {
                PointF sCoord = imageView.viewToSourceCoord(e.getX(), e.getY());
                Toast.makeText(getApplicationContext(), "Double tap: " + ((int) sCoord.x) + ", " + ((int) sCoord.y), Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(getApplicationContext(), "Double tap: Image not ready", Toast.LENGTH_SHORT).show();
            }
            return true;
        }
    });
    imageView.setImage(ImageSource.asset("squirrel.jpg"));
    imageView.setOnTouchListener(new OnTouchListener() {

        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            return gestureDetector.onTouchEvent(motionEvent);
        }
    });
}

Example 12 with PointF

use of android.graphics.PointF in project PhotoPicker by donglua.

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 13 with PointF

use of android.graphics.PointF in project PhotoPicker by donglua.

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 14 with PointF

use of android.graphics.PointF in project PhotoPicker by donglua.

the class TouchImageView method setZoom.

/**
   * Set zoom parameters equal to another TouchImageView. Including scale, position,
   * and ScaleType.
   * @param img TouchImageView
   */
public void setZoom(TouchImageView img) {
    PointF center = img.getScrollPosition();
    setZoom(img.getCurrentZoom(), center.x, center.y, img.getScaleType());
}

Example 15 with PointF

use of android.graphics.PointF in project UltimateAndroid by cymcsg.

the class MatchView method initWithPointList.

public void initWithPointList(ArrayList<float[]> pointList) {
    float drawWidth = 0;
    float drawHeight = 0;
    boolean shouldLayout = mItemList.size() > 0;
    mItemList.clear();
    for (int i = 0; i < pointList.size(); i++) {
        float[] line = pointList.get(i);
        PointF startPoint = new PointF(Utils.dp2px(line[0]) * mScale, Utils.dp2px(line[1]) * mScale);
        PointF endPoint = new PointF(Utils.dp2px(line[2]) * mScale, Utils.dp2px(line[3]) * mScale);
        drawWidth = Math.max(drawWidth, startPoint.x);
        drawWidth = Math.max(drawWidth, endPoint.x);
        drawHeight = Math.max(drawHeight, startPoint.y);
        drawHeight = Math.max(drawHeight, endPoint.y);
        MatchItem item = new MatchItem(i, startPoint, endPoint, mTextColor, mLineWidth);
        item.resetPosition(horizontalRandomness);
        mItemList.add(item);
    }
    mDrawZoneWidth = (int) Math.ceil(drawWidth);
    mDrawZoneHeight = (int) Math.ceil(drawHeight);
    if (shouldLayout) {
        requestLayout();
    }
}