Example usage for android.graphics RectF offset

List of usage examples for android.graphics RectF offset

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Introduction

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

Prototype

public void offset(float dx, float dy)

Source Link

Document

Offset the rectangle by adding dx to its left and right coordinates, and adding dy to its top and bottom coordinates.

Usage

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);

    Paint mBgPaint = new Paint();
    mBgPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
    mBgPaint.setStyle(Paint.Style.FILL);
    mBgPaint.setColor(bgColor);//from  ww w.  j ava2 s.c o  m

    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;
}

From source file:iSoron.HistoryChart.java

private void drawColumn(Canvas canvas, RectF location, GregorianCalendar date, int column) {
    drawColumnHeader(canvas, location, date);
    location.offset(0, columnWidth);

    for (int j = 0; j < 7; j++) {
        if (!(column == nColumns - 2 && getDataOffset() == 0 && j > todayPositionInColumn)) {
            int checkmarkOffset = getDataOffset() * 7 + nDays - 7 * (column + 1) + todayPositionInColumn - j;
            drawSquare(canvas, location, date, checkmarkOffset);
        }/*from   ww w.  ja  va2  s. c  om*/

        date.add(Calendar.DAY_OF_MONTH, 1);
        location.offset(0, columnWidth);
    }
}

From source file:iSoron.HistoryChart.java

private void drawAxis(Canvas canvas, RectF location) {
    float verticalOffset = pTextHeader.getFontSpacing() * 0.4f;

    for (String day : DateUtils.getLocaleDayNames(Calendar.SHORT)) {
        location.offset(0, columnWidth);
        canvas.drawText(day, location.left + headerTextOffset, location.centerY() + verticalOffset,
                pTextHeader);//w ww . j  av a2s . c om
    }
}

From source file:org.mozilla.gecko.gfx.ViewportMetrics.java

/** Returns the viewport rectangle, clamped within the page-size. */
public RectF getClampedViewport() {
    RectF clampedViewport = new RectF(mViewportRect);

    // While the viewport size ought to never exceed the page size, we
    // do the clamping in this order to make sure that the origin is
    // never negative.
    if (clampedViewport.right > mPageSize.width)
        clampedViewport.offset(mPageSize.width - clampedViewport.right, 0);
    if (clampedViewport.left < 0)
        clampedViewport.offset(-clampedViewport.left, 0);

    if (clampedViewport.bottom > mPageSize.height)
        clampedViewport.offset(0, mPageSize.height - clampedViewport.bottom);
    if (clampedViewport.top < 0)
        clampedViewport.offset(0, -clampedViewport.top);

    return clampedViewport;
}

From source file:com.actionbarsherlock.internal.nineoldandroids.view.animation.AnimatorProxy.java

private void computeRect(final RectF r, View view) {
    // compute current rectangle according to matrix transformation
    final float w = view.getWidth();
    final float h = view.getHeight();

    // use a rectangle at 0,0 to make sure we don't run into issues with scaling
    r.set(0, 0, w, h);//  w  w  w .j  av a  2  s  .c  o  m

    final Matrix m = mTempMatrix;
    m.reset();
    transformMatrix(m, view);
    mTempMatrix.mapRect(r);

    r.offset(view.getLeft(), view.getTop());

    // Straighten coords if rotations flipped them
    if (r.right < r.left) {
        final float f = r.right;
        r.right = r.left;
        r.left = f;
    }
    if (r.bottom < r.top) {
        final float f = r.top;
        r.top = r.bottom;
        r.bottom = f;
    }
}

From source file:com.digitalvotingpass.camera.CameraFragment.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
 * This method should be called after the camera preview size is determined in
 * setUpCameraOutputs and also the size of `mTextureView` is fixed.
 *
 * @param viewWidth  The width of `mTextureView`
 * @param viewHeight The height of `mTextureView`
 *//*from  w ww. j a va2s  .  c om*/
public void configureTransform(int viewWidth, int viewHeight) {
    Activity activity = getActivity();
    if (null == mTextureView || null == mPreviewSize || null == activity) {
        return;
    }
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    Matrix matrix = new Matrix();
    RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
    RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
    float centerX = viewRect.centerX();
    float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        float scale = Math.max((float) viewHeight / mPreviewSize.getHeight(),
                (float) viewWidth / mPreviewSize.getWidth());
        matrix.postScale(scale, scale, centerX, centerY);
        matrix.postRotate(90 * (rotation - 2), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        matrix.postRotate(180, centerX, centerY);
    }
    mTextureView.setTransform(matrix);
    overlay.setRect(CameraFragmentUtil.getScanRect(scanSegment));
}

From source file:com.raulh82vlc.face_detection_sample.camera2.presentation.FDCamera2Presenter.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
 * This method should be called after the camera preview size is determined in
 * setUpCameraOutputs and also the size of `mTextureView` is fixed.
 *
 * @param viewWidth  The width of `mTextureView`
 * @param viewHeight The height of `mTextureView`
 *///from w  w  w .  j  a v  a 2 s.c o  m
private void configureTransform(int viewWidth, int viewHeight) {
    if (isViewAvailable()) {
        if (null == activityView.getTextureView()) {
            return;
        }
        int rotation = activityView.getWindowManager().getDefaultDisplay().getRotation();
        Matrix matrix = new Matrix();
        RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
        RectF bufferRect = new RectF(0, 0, previewSize.getHeight(), previewSize.getWidth());
        float centerX = viewRect.centerX();
        float centerY = viewRect.centerY();
        if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
            bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
            matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
            float scale = Math.max((float) viewHeight / previewSize.getHeight(),
                    (float) viewWidth / previewSize.getWidth());
            matrix.postScale(scale, scale, centerX, centerY);
            matrix.postRotate(90 * (rotation - 2), centerX, centerY);
        } else if (Surface.ROTATION_180 == rotation) {
            matrix.postRotate(180, centerX, centerY);
        }
        activityView.getTextureView().setTransform(matrix);
    }
}

From source file:com.jafme.mobile.activity.CropImageActivity.java

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();//  w ww.  j av  a2  s .  co m

    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();

        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);

            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));

            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right,
                    (int) adjusted.bottom);
        }

        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());

            //  ?  

            if (exifRotation != 0) {

                final Matrix matrix = new Matrix();
                matrix.setRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);

                exifRotation = 0;
            }

            int croppedWidth = croppedImage.getWidth();
            int croppedHeight = croppedImage.getHeight();
            if (croppedWidth > outWidth || croppedHeight > outHeight) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / croppedWidth, (float) outHeight / croppedHeight);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedWidth, croppedHeight, matrix,
                        true);
            }

        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + ","
                    + height + "," + exifRotation + ")", e);
        }

    } catch (IOException e) {
        Log.e(LOG_TAG, "Error cropping image: " + e.getMessage(), e);
        finish();
    } catch (OutOfMemoryError e) {
        Log.e(LOG_TAG, "OOM cropping image: " + e.getMessage(), e);
        setResultException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

From source file:com.example.android.tflitecamerademo.Camera2BasicFragment.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `textureView`. This
 * method should be called after the camera preview size is determined in setUpCameraOutputs and
 * also the size of `textureView` is fixed.
 *
 * @param viewWidth The width of `textureView`
 * @param viewHeight The height of `textureView`
 *//* w  ww  .j a  va  2 s  . c  o  m*/
private void configureTransform(int viewWidth, int viewHeight) {
    Activity activity = getActivity();
    if (null == textureView || null == previewSize || null == activity) {
        return;
    }
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    Matrix matrix = new Matrix();
    RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
    RectF bufferRect = new RectF(0, 0, previewSize.getHeight(), previewSize.getWidth());
    float centerX = viewRect.centerX();
    float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        float scale = Math.max((float) viewHeight / previewSize.getHeight(),
                (float) viewWidth / previewSize.getWidth());
        matrix.postScale(scale, scale, centerX, centerY);
        matrix.postRotate(90 * (rotation - 2), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        matrix.postRotate(180, centerX, centerY);
    }
    textureView.setTransform(matrix);
}

From source file:com.tzutalin.dlibtest.CameraConnectionFragment.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
 * This method should be called after the camera preview size is determined in
 * setUpCameraOutputs and also the size of `mTextureView` is fixed.
 *
 * @param viewWidth  The width of `mTextureView`
 * @param viewHeight The height of `mTextureView`
 *//*  www. ja  v  a2 s . co  m*/
@DebugLog
private void configureTransform(final int viewWidth, final int viewHeight) {
    final Activity activity = getActivity();
    if (null == textureView || null == previewSize || null == activity) {
        return;
    }
    final int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    final Matrix matrix = new Matrix();
    final RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
    final RectF bufferRect = new RectF(0, 0, previewSize.getHeight(), previewSize.getWidth());
    final float centerX = viewRect.centerX();
    final float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        final float scale = Math.max((float) viewHeight / previewSize.getHeight(),
                (float) viewWidth / previewSize.getWidth());
        matrix.postScale(scale, scale, centerX, centerY);
        matrix.postRotate(90 * (rotation - 2), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        matrix.postRotate(180, centerX, centerY);
    }
    textureView.setTransform(matrix);
}