Example usage for android.graphics RectF centerY

List of usage examples for android.graphics RectF centerY

  1. HOME
  2. Java
  3. android
  4. android.graphics.*
  5. RectF
  6. centerY

Introduction

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

Prototype

public final float centerY()

Source Link

Usage

From source file:com.askjeffreyliu.camera2barcode.camera.CameraSource.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  av  a 2 s .c  om*/
private void configureTransform(int viewWidth, int viewHeight) {
    if (null == mTextureView || null == mPreviewSize) {
        return;
    }
    int rotation = mDisplayOrientation;
    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);
}

From source file:nautilus.writingpane.CameraActivity.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`
 *//* w  ww . j a  v a 2 s. c o m*/
private void configureTransform(int viewWidth, int viewHeight) {
    if (null == mTextureView || null == mPreviewSize) {
        return;
    }
    int rotation = 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);
}

From source file:camera2basic.Camera2BasicFragment.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   ww  w. j  av a2  s . c  om*/
private 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);
}

From source file:com.huyn.demogroup.zoomageview.view.PhotoViewAttacher.java

@Override
public boolean onTouch(View v, MotionEvent ev) {
    boolean handled = false;

    if (mZoomEnabled && hasDrawable(v)) {
        mDragToFinish = false;//from ww w. j a  v a2 s. c o  m
        switch (ev.getAction()) {
        case MotionEvent.ACTION_DOWN:
            ViewParent parent = v.getParent();
            // First, disable the Parent from intercepting the touch
            // event
            if (parent != null) {
                parent.requestDisallowInterceptTouchEvent(true);
            }

            // If we're flinging, and the user presses down, cancel
            // fling
            cancelFling();
            break;

        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            // If the user has zoomed less than min scale, zoom back
            // to min scale
            if (getScale() < mMinScale) {
                RectF rect = getDisplayRect();
                if (rect != null) {
                    v.post(new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
                    handled = true;
                }
            }
            break;
        }

        // Try the Scale/Drag detector
        if (mScaleDragDetector != null) {
            boolean wasScaling = mScaleDragDetector.isScaling();
            boolean wasDragging = mScaleDragDetector.isDragging();

            handled = mScaleDragDetector.onTouchEvent(ev);

            boolean didntScale = !wasScaling && !mScaleDragDetector.isScaling();
            boolean didntDrag = !wasDragging && !mScaleDragDetector.isDragging();

            mBlockParentIntercept = didntScale && didntDrag;
        }

        // Check to see if the user double tapped
        if (mGestureDetector != null && mGestureDetector.onTouchEvent(ev)) {
            handled = true;
        }

    }

    return handled;
}

From source file:io.digibyte.presenter.activities.camera.CameraActivity.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`
 */// w w  w. j  a  va2  s .  c  o  m
private void configureTransform(int viewWidth, int viewHeight) {
    Activity activity = CameraActivity.this;
    if (null == mTextureView || null == mPreviewSize) {
        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);
}

From source file:com.example.joshf.conc.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  .jav  a2  s  .co  m
private 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) {
        Log.e("rotate", "90");
        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), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        Log.e("rotate", "180");
        matrix.postRotate(180, centerX, centerY);
    }
    mTextureView.setTransform(matrix);
}

From source file:com.mysampleapp.camera.Camera2BasicFragment.java

/**
 * Configures the necessary {@link 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`
 *//* ww  w  .j av a  2  s .c  o  m*/
private 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);

}

From source file:com.ycl.framework.photoview.PhotoViewAttacher.java

@Override
public boolean onTouch(final View v, MotionEvent ev) {
    boolean handled = false;

    if (mZoomEnabled && hasDrawable((ImageView) v)) {
        ViewParent parent = v.getParent();
        switch (ev.getAction()) {
        case ACTION_DOWN:
            // First, disable the Parent from intercepting the touch
            // event
            v.removeCallbacks(mRunColse);
            if (null != parent)
                parent.requestDisallowInterceptTouchEvent(true);
            else/*from  ww w . j ava  2  s  .c  om*/
                Log.i(LOG_TAG, "onTouch getParent() returned null");
            //?
            lastPosX = ev.getX();
            lastPosY = ev.getY();
            // If we're flinging, and the user presses down, cancel
            // fling
            cancelFling();
            break;

        case ACTION_CANCEL:
        case ACTION_UP:
            // If the user has zoomed less than min scale, zoom back
            // to min scale
            if (getScale() < mMinScale) {
                RectF rect = getDisplayRect();
                if (null != rect) {
                    v.post(new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
                    handled = true;
                }
            }
            //?click
            if (Math.abs(ev.getX() - lastPosX) < 4 && Math.abs(ev.getY() - lastPosY) < 4) {
                if (OnDoubleTap) {
                    OnDoubleTap = false;
                } else
                    v.postDelayed(mRunColse, 330);
            } else {
                OnDoubleTap = false;
            }
            break;
        }

        // Try the Scale/Drag detector
        if (null != mScaleDragDetector && mScaleDragDetector.onTouchEvent(ev)) {
            handled = true;
        }

        // Check to see if the user double tapped
        if (null != mGestureDetector && mGestureDetector.onTouchEvent(ev)) {
            handled = true;
        }
    }

    return handled;
}

From source file:info.awesomedevelopment.tvgrid.library.TVGridView.java

/**
 * Helper method to paint the canvas used in generate bitmap
 *
 * @param canvas the canvas used to draw onto
 * @param rectF size//from   w  w w  .  j  av  a2  s  .  com
 * @param paint paint
 */
private void paintCanvas(Canvas canvas, RectF rectF, Paint paint) {
    if (mSelectorShape == RECTANGLE) {
        canvas.drawRoundRect(rectF, mCornerRadiusX, mCornerRadiusY, paint);
    } else if (mSelectorShape == CIRCLE) {
        canvas.drawCircle(rectF.centerX(), rectF.centerY(), rectF.width() / 2, paint);
    } else {
        throw new IllegalArgumentException("Selector shape must be one of RECTANGLE or CIRCLE");
    }
}

From source file:com.raibow.yamahaspk.filtershow.imageshow.ImageShow.java

public void drawImageAndAnimate(Canvas canvas, Bitmap image) {
    if (image == null) {
        return;//from   www  .  jav a  2  s. c om
    }
    MasterImage master = MasterImage.getImage();
    Matrix m = master.computeImageToScreen(image, 0, false);
    if (m == null) {
        return;
    }

    canvas.save();

    RectF d = new RectF(0, 0, image.getWidth(), image.getHeight());
    m.mapRect(d);
    d.roundOut(mImageBounds);

    boolean showAnimatedImage = master.onGoingNewLookAnimation();
    if (!showAnimatedImage && mDidStartAnimation) {
        // animation ended, but do we have the correct image to show?
        if (master.getPreset().equals(master.getCurrentPreset())) {
            // we do, let's stop showing the animated image
            mDidStartAnimation = false;
            MasterImage.getImage().resetAnimBitmap();
        } else {
            showAnimatedImage = true;
        }
    } else if (showAnimatedImage) {
        mDidStartAnimation = true;
    }

    if (showAnimatedImage) {
        canvas.save();

        // Animation uses the image before the change
        Bitmap previousImage = master.getPreviousImage();
        Matrix mp = master.computeImageToScreen(previousImage, 0, false);
        RectF dp = new RectF(0, 0, previousImage.getWidth(), previousImage.getHeight());
        mp.mapRect(dp);
        Rect previousBounds = new Rect();
        dp.roundOut(previousBounds);
        float centerX = dp.centerX();
        float centerY = dp.centerY();
        boolean needsToDrawImage = true;

        if (master.getCurrentLookAnimation() == MasterImage.CIRCLE_ANIMATION) {
            float maskScale = MasterImage.getImage().getMaskScale();
            if (maskScale >= 0.0f) {
                float maskW = sMask.getWidth() / 2.0f;
                float maskH = sMask.getHeight() / 2.0f;
                Point point = mActivity.hintTouchPoint(this);
                float maxMaskScale = 2 * Math.max(getWidth(), getHeight()) / Math.min(maskW, maskH);
                maskScale = maskScale * maxMaskScale;
                float x = point.x - maskW * maskScale;
                float y = point.y - maskH * maskScale;

                // Prepare the shader
                mShaderMatrix.reset();
                mShaderMatrix.setScale(1.0f / maskScale, 1.0f / maskScale);
                mShaderMatrix.preTranslate(-x + mImageBounds.left, -y + mImageBounds.top);
                float scaleImageX = mImageBounds.width() / (float) image.getWidth();
                float scaleImageY = mImageBounds.height() / (float) image.getHeight();
                mShaderMatrix.preScale(scaleImageX, scaleImageY);
                mMaskPaint.reset();
                mMaskPaint.setShader(createShader(image));
                mMaskPaint.getShader().setLocalMatrix(mShaderMatrix);

                drawShadow(canvas, mImageBounds); // as needed
                canvas.drawBitmap(previousImage, m, mPaint);
                canvas.clipRect(mImageBounds);
                canvas.translate(x, y);
                canvas.scale(maskScale, maskScale);
                canvas.drawBitmap(sMask, 0, 0, mMaskPaint);
                needsToDrawImage = false;
            }
        } else if (master.getCurrentLookAnimation() == MasterImage.ROTATE_ANIMATION) {
            Rect d1 = computeImageBounds(master.getPreviousImage().getHeight(),
                    master.getPreviousImage().getWidth());
            Rect d2 = computeImageBounds(master.getPreviousImage().getWidth(),
                    master.getPreviousImage().getHeight());
            float finalScale = d1.width() / (float) d2.height();
            finalScale = (1.0f * (1.0f - master.getAnimFraction())) + (finalScale * master.getAnimFraction());
            canvas.rotate(master.getAnimRotationValue(), centerX, centerY);
            canvas.scale(finalScale, finalScale, centerX, centerY);
        } else if (master.getCurrentLookAnimation() == MasterImage.MIRROR_ANIMATION) {
            if (master.getCurrentFilterRepresentation() instanceof FilterMirrorRepresentation) {
                FilterMirrorRepresentation rep = (FilterMirrorRepresentation) master
                        .getCurrentFilterRepresentation();

                ImagePreset preset = master.getPreset();
                ArrayList<FilterRepresentation> geometry = (ArrayList<FilterRepresentation>) preset
                        .getGeometryFilters();
                GeometryMathUtils.GeometryHolder holder = null;
                holder = GeometryMathUtils.unpackGeometry(geometry);

                if (holder.rotation.value() == 90 || holder.rotation.value() == 270) {
                    if (rep.isHorizontal() && !rep.isVertical()) {
                        canvas.scale(1, master.getAnimRotationValue(), centerX, centerY);
                    } else if (rep.isVertical() && !rep.isHorizontal()) {
                        canvas.scale(1, master.getAnimRotationValue(), centerX, centerY);
                    } else if (rep.isHorizontal() && rep.isVertical()) {
                        canvas.scale(master.getAnimRotationValue(), 1, centerX, centerY);
                    } else {
                        canvas.scale(master.getAnimRotationValue(), 1, centerX, centerY);
                    }
                } else {
                    if (rep.isHorizontal() && !rep.isVertical()) {
                        canvas.scale(master.getAnimRotationValue(), 1, centerX, centerY);
                    } else if (rep.isVertical() && !rep.isHorizontal()) {
                        canvas.scale(master.getAnimRotationValue(), 1, centerX, centerY);
                    } else if (rep.isHorizontal() && rep.isVertical()) {
                        canvas.scale(1, master.getAnimRotationValue(), centerX, centerY);
                    } else {
                        canvas.scale(1, master.getAnimRotationValue(), centerX, centerY);
                    }
                }
            }
        }

        if (needsToDrawImage) {
            drawShadow(canvas, previousBounds); // as needed
            canvas.drawBitmap(previousImage, mp, mPaint);
        }

        canvas.restore();
    } else {
        drawShadow(canvas, mImageBounds); // as needed
        canvas.drawBitmap(image, m, mPaint);
    }

    canvas.restore();
}