Example usage for android.graphics RectF centerX

Introduction

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

Prototype

public final float centerX() 

Source Link

Usage

From source file:Main.java

public static boolean setImageToScreenMatrix(Matrix dst, RectF image, RectF screen, int rotation) {
    RectF rotatedImage = new RectF();
    dst.setRotate(rotation, image.centerX(), image.centerY());
    if (!dst.mapRect(rotatedImage, image)) {
        return false; // fails for rotations that are not multiples of 90
                      // degrees
    }//from  w  w w .j a v a  2  s.c  o  m
    boolean rToR = dst.setRectToRect(rotatedImage, screen, Matrix.ScaleToFit.CENTER);
    boolean rot = dst.preRotate(rotation, image.centerX(), image.centerY());
    return rToR && rot;
}

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From source file:Main.java

public static void drawWallpaperSelectionFrame(Canvas canvas, RectF cropBounds, float spotX, float spotY,
        Paint p, Paint shadowPaint) {
    float sx = cropBounds.width() * spotX;
    float sy = cropBounds.height() * spotY;
    float cx = cropBounds.centerX();
    float cy = cropBounds.centerY();
    RectF r1 = new RectF(cx - sx / 2, cy - sy / 2, cx + sx / 2, cy + sy / 2);
    float temp = sx;
    sx = sy;/* w  ww  .j a va2s. c  om*/
    sy = temp;
    RectF r2 = new RectF(cx - sx / 2, cy - sy / 2, cx + sx / 2, cy + sy / 2);
    canvas.save();
    canvas.clipRect(cropBounds);
    canvas.clipRect(r1, Region.Op.DIFFERENCE);
    canvas.clipRect(r2, Region.Op.DIFFERENCE);
    canvas.drawPaint(shadowPaint);
    canvas.restore();
    Path path = new Path();
    path.moveTo(r1.left, r1.top);
    path.lineTo(r1.right, r1.top);
    path.moveTo(r1.left, r1.top);
    path.lineTo(r1.left, r1.bottom);
    path.moveTo(r1.left, r1.bottom);
    path.lineTo(r1.right, r1.bottom);
    path.moveTo(r1.right, r1.top);
    path.lineTo(r1.right, r1.bottom);
    path.moveTo(r2.left, r2.top);
    path.lineTo(r2.right, r2.top);
    path.moveTo(r2.right, r2.top);
    path.lineTo(r2.right, r2.bottom);
    path.moveTo(r2.left, r2.bottom);
    path.lineTo(r2.right, r2.bottom);
    path.moveTo(r2.left, r2.top);
    path.lineTo(r2.left, r2.bottom);
    canvas.drawPath(path, p);
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap3(Drawable imageDrawable, int radius) {

    Bitmap d = ((BitmapDrawable) imageDrawable).getBitmap();
    BitmapShader shader = new BitmapShader(d, TileMode.CLAMP, TileMode.CLAMP);

    int size = Math.min(d.getWidth(), d.getHeight());
    Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    RectF outerRect = new RectF(0, 0, size, size);
    //      float cornerRadius = radius;

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setShader(shader);// www. ja v  a  2  s.  c  o  m
    paint.setAntiAlias(true);
    paint.setColor(Color.RED);
    canvas.drawCircle(outerRect.centerX(), outerRect.centerY(), d.getWidth() / 2, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    imageDrawable.setBounds(0, 0, size, size);

    Canvas canvas1 = new Canvas(output);

    RectF outerRect1 = new RectF(0, 0, size, size);

    Paint paint1 = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint1.setShader(shader);
    paint1.setAntiAlias(true);
    paint1.setColor(Color.RED);
    canvas1.drawCircle(outerRect1.centerX(), outerRect1.centerY(), d.getWidth() / 2, paint);

    paint1.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    return output;
}

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From source file:Main.java

public static Bitmap cropImage(RectF rect, Bitmap bitmap) {
    float width = rect.width() * 2;
    if (width > bitmap.getWidth()) {
        width = bitmap.getWidth();/* w w w . jav  a 2 s. c o m*/
    }

    float hight = rect.height() * 2;
    if (hight > bitmap.getHeight()) {
        hight = bitmap.getHeight();
    }

    float l = rect.centerX() - (width / 2);
    if (l < 0) {
        l = 0;
    }
    float t = rect.centerY() - (hight / 2);
    if (t < 0) {
        t = 0;
    }
    if (l + width > bitmap.getWidth()) {
        width = bitmap.getWidth() - l;
    }
    if (t + hight > bitmap.getHeight()) {
        hight = bitmap.getHeight() - t;
    }

    return Bitmap.createBitmap(bitmap, (int) l, (int) t, (int) width, (int) hight);

}

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From source file:com.jrummyapps.android.widget.AnimatedSvgView.java

/**
 * If you set the SVG data paths more than once using {@link #setGlyphStrings(String...)} you should call this method
 * before playing the animation.//from  www.  jav  a2  s  .co m
 */
@SuppressWarnings("SuspiciousNameCombination")
public void rebuildGlyphData() {

    float X = mWidth / mViewport.x;
    float Y = mHeight / mViewport.y;

    Matrix scaleMatrix = new Matrix();
    RectF outerRect = new RectF(X, X, Y, Y);
    scaleMatrix.setScale(X, Y, outerRect.centerX(), outerRect.centerY());

    mGlyphData = new GlyphData[mGlyphStrings.length];
    for (int i = 0; i < mGlyphStrings.length; i++) {
        mGlyphData[i] = new GlyphData();
        try {
            mGlyphData[i].path = ExposedPathParser.createPathFromPathData(mGlyphStrings[i]);
            mGlyphData[i].path.transform(scaleMatrix);
        } catch (Exception e) {
            mGlyphData[i].path = new Path();
            Log.e(TAG, "Couldn't parse path", e);
        }
        PathMeasure pm = new PathMeasure(mGlyphData[i].path, true);
        while (true) {
            mGlyphData[i].length = Math.max(mGlyphData[i].length, pm.getLength());
            if (!pm.nextContour()) {
                break;
            }
        }
        mGlyphData[i].paint = new Paint();
        mGlyphData[i].paint.setStyle(Paint.Style.STROKE);
        mGlyphData[i].paint.setAntiAlias(true);
        mGlyphData[i].paint.setColor(Color.WHITE);
        mGlyphData[i].paint.setStrokeWidth(
                TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, getResources().getDisplayMetrics()));
    }
}

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From source file:de.vanita5.twittnuker.view.ShapedImageView.java

/**
 * Given the source bitmap and a canvas, draws the bitmap through a circular
 * mask. Only draws a circle with diameter equal to the destination width.
 *
 * @param bitmap The source bitmap to draw.
 * @param canvas The canvas to draw it on.
 * @param source The source bound of the bitmap.
 * @param dest   The destination bound on the canvas.
 *///from www .ja va  2s .co  m
public void drawBitmapWithCircleOnCanvas(Bitmap bitmap, Canvas canvas, RectF source, @NonNull RectF dest) {
    if (bitmap == null) {
        if (getStyle() == SHAPE_CIRCLE) {
            canvas.drawCircle(dest.centerX(), dest.centerY(), Math.min(dest.width(), dest.height()) / 2f,
                    mSolidColorPaint);
        } else {
            final float cornerRadius = getCalculatedCornerRadius();
            canvas.drawRoundRect(dest, cornerRadius, cornerRadius, mSolidColorPaint);
        }
        return;
    }
    // Draw bitmap through shader first.
    final BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    mMatrix.reset();

    switch (getScaleType()) {
    case CENTER_CROP: {
        final float srcRatio = source.width() / source.height();
        final float dstRatio = dest.width() / dest.height();
        if (srcRatio > dstRatio) {
            // Source is wider than destination, fit height
            mTempDestination.top = dest.top;
            mTempDestination.bottom = dest.bottom;
            final float dstWidth = dest.height() * srcRatio;
            mTempDestination.left = dest.centerX() - dstWidth / 2;
            mTempDestination.right = dest.centerX() + dstWidth / 2;
        } else if (srcRatio < dstRatio) {
            mTempDestination.left = dest.left;
            mTempDestination.right = dest.right;
            final float dstHeight = dest.width() / srcRatio;
            mTempDestination.top = dest.centerY() - dstHeight / 2;
            mTempDestination.bottom = dest.centerY() + dstHeight / 2;
        } else {
            mTempDestination.set(dest);
        }
        break;
    }
    default: {
        mTempDestination.set(dest);
        break;
    }
    }

    // Fit bitmap to bounds.
    mMatrix.setRectToRect(source, mTempDestination, ScaleToFit.CENTER);

    shader.setLocalMatrix(mMatrix);
    mBitmapPaint.setShader(shader);

    if (getStyle() == SHAPE_CIRCLE) {
        canvas.drawCircle(dest.centerX(), dest.centerY(), Math.min(dest.width(), dest.height()) / 2f,
                mBitmapPaint);
    } else {
        final float cornerRadius = getCalculatedCornerRadius();
        canvas.drawRoundRect(dest, cornerRadius, cornerRadius, mBitmapPaint);
    }
}

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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 v a2 s.  co  m
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));
}

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From source file:org.getlantern.firetweet.view.ShapedImageView.java

/**
 * Given the source bitmap and a canvas, draws the bitmap through a circular
 * mask. Only draws a circle with diameter equal to the destination width.
 *
 * @param bitmap The source bitmap to draw.
 * @param canvas The canvas to draw it on.
 * @param source The source bound of the bitmap.
 * @param dest   The destination bound on the canvas.
 *///  www  . ja  va2  s.  c o  m
public void drawBitmapWithCircleOnCanvas(Bitmap bitmap, Canvas canvas, RectF source, @NonNull RectF dest) {
    if (bitmap == null) {
        if (getStyle() == SHAPE_CIRCLE) {
            canvas.drawCircle(dest.centerX(), dest.centerY(), Math.min(dest.width(), dest.height()) / 2f,
                    mSolidColorPaint);
        } else {
            final float cornerRadius = getCalculatedCornerRadius();
            canvas.drawRoundRect(dest, cornerRadius, cornerRadius, mSolidColorPaint);
        }
        return;
    }
    // Draw bitmap through shader first.
    final BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    mMatrix.reset();

    switch (getScaleType()) {
    case CENTER_CROP: {
        final float srcRatio = source.width() / source.height();
        final float dstRatio = dest.width() / dest.height();
        if (srcRatio > dstRatio) {
            // Source is wider than destination, fit height
            mTempDestination.top = dest.top;
            mTempDestination.bottom = dest.bottom;
            final float dstWidth = dest.height() * srcRatio;
            mTempDestination.left = dest.centerX() - dstWidth / 2;
            mTempDestination.right = dest.centerX() + dstWidth / 2;
        } else if (srcRatio < dstRatio) {
            mTempDestination.left = dest.left;
            mTempDestination.right = dest.right;
            final float dstHeight = dest.width() / srcRatio;
            mTempDestination.top = dest.centerY() - dstHeight / 2;
            mTempDestination.bottom = dest.centerY() + dstHeight / 2;
        } else {
            mTempDestination.set(dest);
        }
        break;
    }
    default: {
        mTempDestination.set(dest);
        break;
    }
    }

    // Fit bitmap to bounds.
    mMatrix.setRectToRect(source, mTempDestination, ScaleToFit.CENTER);

    shader.setLocalMatrix(mMatrix);
    mBitmapPaint.setShader(shader);

    if (mBorderEnabled) {
        final float inset = mBorderPaint.getStrokeWidth() / 2;
        if (getStyle() == SHAPE_CIRCLE) {
            final float circleRadius = Math.min(dest.width(), dest.height()) / 2f - inset / 2;
            canvas.drawCircle(dest.centerX(), dest.centerY(), circleRadius, mBitmapPaint);
        } else {
            final float cornerRadius = getCalculatedCornerRadius();
            dest.inset(inset, inset);
            canvas.drawRoundRect(dest, cornerRadius, cornerRadius, mBitmapPaint);
            dest.inset(-inset, -inset);
        }
    } else {
        if (getStyle() == SHAPE_CIRCLE) {
            final float circleRadius = Math.min(dest.width(), dest.height()) / 2f;
            canvas.drawCircle(dest.centerX(), dest.centerY(), circleRadius, mBitmapPaint);
        } else {
            final float cornerRadius = getCalculatedCornerRadius();
            canvas.drawRoundRect(dest, cornerRadius, cornerRadius, mBitmapPaint);
        }
    }

}

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From source file:android.support.design.widget.CircularBorderDrawable.java

@Override
public void draw(Canvas canvas) {
    if (mInvalidateShader) {
        mPaint.setShader(createGradientShader());
        mInvalidateShader = false;/*from  w w w.jav a 2s.co  m*/
    }

    final float halfBorderWidth = mPaint.getStrokeWidth() / 2f;
    final RectF rectF = mRectF;

    // We need to inset the oval bounds by half the border width. This is because stroke draws
    // the center of the border on the dimension. Whereas we want the stroke on the inside.
    copyBounds(mRect);
    rectF.set(mRect);
    rectF.left += halfBorderWidth;
    rectF.top += halfBorderWidth;
    rectF.right -= halfBorderWidth;
    rectF.bottom -= halfBorderWidth;

    canvas.save();
    canvas.rotate(mRotation, rectF.centerX(), rectF.centerY());
    // Draw the oval
    canvas.drawOval(rectF, mPaint);
    canvas.restore();
}

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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`
 *//*  w ww .ja  va 2  s .c  om*/
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);
    }
}

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