Example usage for android.graphics Canvas drawOval

Introduction

In this page you can find the example usage for android.graphics Canvas drawOval.

Prototype

public void drawOval(@NonNull RectF oval, @NonNull Paint paint) 

Source Link

Document

Draw the specified oval using the specified paint.

Usage

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

private void updateShadowBitmap() {
    if (USE_OUTLINE)
        return;/*from   w w  w .  j a v  a2s .  c  o m*/
    final int width = getWidth(), height = getHeight();
    if (width <= 0 || height <= 0)
        return;
    final int contentLeft = getPaddingLeft(), contentTop = getPaddingTop(),
            contentRight = width - getPaddingRight(), contentBottom = height - getPaddingBottom();
    final int contentWidth = contentRight - contentLeft, contentHeight = contentBottom - contentTop;
    final float radius = mShadowRadius, dy = radius * 1.5f / 2;
    final int size = Math.round(Math.min(contentWidth, contentHeight) + radius * 2);
    mShadowBitmap = Bitmap.createBitmap(size, Math.round(size + dy), Config.ARGB_8888);
    Canvas canvas = new Canvas(mShadowBitmap);
    final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(Color.WHITE);
    paint.setShadowLayer(radius, 0, radius * 1.5f / 2, SHADOW_START_COLOR);
    final RectF rect = new RectF(radius, radius, size - radius, size - radius);
    canvas.drawOval(rect, paint);
    paint.setShadowLayer(0, 0, 0, 0);
    paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
    canvas.drawOval(rect, paint);
    invalidate();
}

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From source file:org.uoyabause.android.PadButton.java

public void draw(Canvas canvas, Paint nomal_back, Paint active_back, Paint front) {
    super.draw(canvas, nomal_back, active_back, front);
    canvas.drawOval(new RectF(rect), back);
}

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From source file:com.google.android.apps.muzei.settings.ChooseSourceFragment.java

private Bitmap generateSourceImage(Drawable image) {
    Bitmap bitmap = Bitmap.createBitmap(mItemImageSize, mItemImageSize, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    mTempRectF.set(0, 0, mItemImageSize, mItemImageSize);
    canvas.drawOval(mTempRectF, mImageFillPaint);
    if (image != null) {
        canvas.saveLayer(0, 0, mItemImageSize, mItemImageSize, mAlphaPaint, Canvas.ALL_SAVE_FLAG);
        image.setBounds(0, 0, mItemImageSize, mItemImageSize);
        image.draw(canvas);/*  w ww  .j a va  2s . c om*/
        canvas.restore();
    }
    return bitmap;
}

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From source file:jp.tkgktyk.xposed.forcetouchdetector.app.util.fab.CircularBorderDrawable.java

@Override
public void draw(Canvas canvas) {
    if (mInvalidateShader) {
        mPaint.setShader(createGradientShader());
        mInvalidateShader = false;/*  w w  w.j av  a2s  .  c o  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;

    // Draw the oval
    canvas.drawOval(rectF, mPaint);
}

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

private void updateShadowBitmap() {
    if (USE_OUTLINE)
        return;/*from  w ww.  j  av a 2s .com*/
    final int width = getWidth(), height = getHeight();
    if (width <= 0 || height <= 0)
        return;
    final int contentLeft = getPaddingLeft(), contentTop = getPaddingTop(),
            contentRight = width - getPaddingRight(), contentBottom = height - getPaddingBottom();
    final int contentWidth = contentRight - contentLeft, contentHeight = contentBottom - contentTop;
    final float radius = mShadowRadius, dy = radius * 1.5f / 2;
    final int size = Math.round(Math.min(contentWidth, contentHeight) + radius * 2);
    mShadowBitmap = Bitmap.createBitmap(size, Math.round(size + dy), Config.ARGB_8888);
    Canvas canvas = new Canvas(mShadowBitmap);
    final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(0xFF000000 | mBackgroundPaint.getColor());
    paint.setShadowLayer(radius, 0, radius * 1.5f / 2, SHADOW_START_COLOR);
    final RectF rect = new RectF(radius, radius, size - radius, size - radius);
    if (getStyle() == SHAPE_CIRCLE) {
        canvas.drawOval(rect, paint);
        paint.setShadowLayer(0, 0, 0, 0);
        paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
        canvas.drawOval(rect, paint);
    } else {
        final float cr = getCalculatedCornerRadius();
        canvas.drawRoundRect(rect, cr, cr, paint);
        paint.setShadowLayer(0, 0, 0, 0);
        paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
        canvas.drawRoundRect(rect, cr, cr, paint);
    }
    invalidate();
}

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From source file:org.mariotaku.twidere.view.ShapedImageView.java

private void updateShadowBitmap() {
    if (useOutline())
        return;//from  w  w  w .  j a  va2  s. com
    final int width = getWidth(), height = getHeight();
    if (width <= 0 || height <= 0)
        return;
    final int contentLeft = getPaddingLeft(), contentTop = getPaddingTop(),
            contentRight = width - getPaddingRight(), contentBottom = height - getPaddingBottom();
    final int contentWidth = contentRight - contentLeft, contentHeight = contentBottom - contentTop;
    final float radius = mShadowRadius, dy = radius * 1.5f / 2;
    final int size = Math.round(Math.min(contentWidth, contentHeight) + radius * 2);
    mShadowBitmap = Bitmap.createBitmap(size, Math.round(size + dy), Config.ARGB_8888);
    Canvas canvas = new Canvas(mShadowBitmap);
    final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(0xFF000000 | mBackgroundPaint.getColor());
    paint.setShadowLayer(radius, 0, radius * 1.5f / 2, SHADOW_START_COLOR);
    final RectF rect = new RectF(radius, radius, size - radius, size - radius);
    if (getStyle() == SHAPE_CIRCLE) {
        canvas.drawOval(rect, paint);
        paint.setShadowLayer(0, 0, 0, 0);
        paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
        canvas.drawOval(rect, paint);
    } else {
        final float cr = getCalculatedCornerRadius();
        canvas.drawRoundRect(rect, cr, cr, paint);
        paint.setShadowLayer(0, 0, 0, 0);
        paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
        canvas.drawRoundRect(rect, cr, cr, paint);
    }
    invalidate();
}

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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;/*w w  w.  j a v  a  2  s .c o  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.owen.view.views.PieChart.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    // Draw the shadow
    canvas.drawOval(mShadowBounds, mShadowPaint);

    // Draw the label text
    if (getShowText()) {
        canvas.drawText(mData.get(mCurrentItem).mLabel, mTextX, mTextY, mTextPaint);
    }/*from   w  ww. java 2s. c om*/

    // If the API level is less than 11, we can't rely on the view animation system to
    // do the scrolling animation. Need to tick it here and call postInvalidate() until the scrolling is done.
    if (Build.VERSION.SDK_INT < 11) {
        tickScrollAnimation();
        if (!mScroller.isFinished()) {
            postInvalidate();
        }
    }
}

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From source file:net.networksaremadeofstring.rhybudd.RhybuddDock.java

private void drawGaugeNeedle(Canvas canvas, int count, int Scale) {
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    float divisor = 360.0f / Scale;

    canvas.rotate((float) (divisor * count), 100, 100);

    //Inside//from www .  j  a  v  a2  s.co  m
    Paint needleInsidePaint = new Paint();
    needleInsidePaint.setStyle(Paint.Style.FILL_AND_STROKE);
    needleInsidePaint.setColor(Color.WHITE);
    needleInsidePaint.setStrokeWidth(4);
    needleInsidePaint.setAntiAlias(true);

    Paint needleEdgePaint = new Paint();
    needleEdgePaint.setStyle(Paint.Style.STROKE);
    needleEdgePaint.setColor(Color.DKGRAY);
    needleEdgePaint.setStrokeWidth(0.5f);
    needleEdgePaint.setAntiAlias(true);

    canvas.drawOval(new RectF(95, 95, 105, 105), needleInsidePaint);
    canvas.drawOval(new RectF(95, 96, 105, 105), needleEdgePaint);

    Path needleInside = new Path();
    needleInside.moveTo(98, 98);
    needleInside.lineTo(100, 20);
    needleInside.lineTo(102, 102);
    canvas.drawPath(needleInside, needleInsidePaint);

    Path needleEdge = new Path();
    needleInside.moveTo(99, 99);
    needleInside.lineTo(99, 19);
    needleInside.lineTo(103, 103);

    canvas.drawPath(needleEdge, needleEdgePaint);
    canvas.restore();
}

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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);//  w ww  .  ja  v a 2  s. c  om

    Paint mBgPaint = new Paint();
    mBgPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
    mBgPaint.setStyle(Paint.Style.FILL);
    mBgPaint.setColor(bgColor);

    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;
}

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