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:com.linute.linute.API.MyGcmListenerService.java

private static Bitmap getCircleBitmap(Bitmap bitmap) {
    //returns square image for older phones that prefer square notifs
    /*if(Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT){
    return bitmap;//from   ww w.  j  a  va2s.  c o m
    }*/
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    bitmap.recycle();

    return output;
}

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From source file:Main.java

public static Bitmap getCircleBitmap(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    //final Paint paintBorder = new Paint();
    // paintBorder.setColor(Color.GREEN);
    //paintBorder.setShadowLayer(4.0f, 0.0f, 2.0f, Color.BLACK);
    //BitmapShader shader = new BitmapShader(Bitmap.createScaledBitmap(output, canvas.getWidth(), canvas.getHeight(), false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    //paint.setShader(shader);
    paint.setAntiAlias(true);//from  ww  w.ja va  2s .c o  m
    //paintBorder.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);
    //int circleCenter = bitmap.getWidth() / 2;
    //int borderWidth = 2;
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth - 4.0f, paintBorder);
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter - 4.0f, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //canvas.drawBitmap(bitmap, circleCenter + borderWidth, circleCenter + borderWidth, paint);
    bitmap.recycle();
    return output;
}

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From source file:nu.yona.app.utils.AppUtils.java

/**
 * Gets circle bitmap./*from  ww w . j a  v  a  2s .  co  m*/
 *
 * @param bitmap the bitmap
 * @return the circle bitmap
 */
public static Bitmap getCircleBitmap(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.BLUE;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    bitmap.recycle();

    return output;
}

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From source file:cn.finalteam.galleryfinal.widget.FloatingActionButton.java

private Drawable createCircleDrawable(RectF circleRect, int color) {
    final Bitmap bitmap = Bitmap.createBitmap(mDrawableSize, mDrawableSize, Config.ARGB_8888);
    final Canvas canvas = new Canvas(bitmap);

    final Paint paint = new Paint();
    paint.setAntiAlias(true);//from   ww w  .ja  v a 2  s.  c om
    paint.setColor(color);

    canvas.drawOval(circleRect, paint);

    return new BitmapDrawable(getResources(), bitmap);
}

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From source file:id.satusatudua.sigap.ui.fragment.GuardingLocationFragment.java

private Bitmap getCircleBitmap(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);//  w  ww  .  j  av  a  2  s . c o m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    bitmap.recycle();

    return output;
}

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

private void DrawEvents() {
    Bitmap charty = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
    Canvas EventsCanvas = new Canvas(charty);
    final Paint paint = new Paint();

    paint.setStyle(Paint.Style.FILL);
    paint.setColor(getResources().getColor(R.color.DarkBlue));
    paint.setAntiAlias(true);/*from   w ww.java2 s  . c  o  m*/
    EventsCanvas.drawOval(new RectF(1, 1, 199, 199), paint);

    RadialGradient gradient = new RadialGradient(200, 200, 200, 0xFF6b7681, 0xFF000000,
            android.graphics.Shader.TileMode.CLAMP);
    paint.setDither(true);
    paint.setShader(gradient);
    EventsCanvas.drawOval(new RectF(6, 6, 194, 194), paint);

    //Special Bits
    int Scale = 100;

    if (EventCount > 100)
        ;
    Scale = EventCount + 50;

    drawScale(EventsCanvas, true, EventCount, Scale);
    drawGaugeTitle(EventsCanvas, "Events Count");
    drawGaugeNeedle(EventsCanvas, EventCount, Scale);
    //drawGloss(EventsCanvas);

    ((ImageView) findViewById(R.id.EventsGauge)).setImageBitmap(charty);
}

---

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

private void DrawDevices() {
    Bitmap charty = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
    Canvas DeviceCanvas = new Canvas(charty);
    final Paint paint = new Paint();

    paint.setStyle(Paint.Style.FILL);
    paint.setColor(getResources().getColor(R.color.DarkBlue));
    paint.setAntiAlias(true);//  ww w . j  a  va 2s.  co m
    DeviceCanvas.drawOval(new RectF(1, 1, 199, 199), paint);

    RadialGradient gradient = new RadialGradient(100, 50, 150, 0xFF6b7681, 0xFF000000,
            android.graphics.Shader.TileMode.CLAMP);
    paint.setDither(true);
    paint.setShader(gradient);
    DeviceCanvas.drawOval(new RectF(6, 6, 194, 194), paint);

    int Scale = 10;

    //Special Bits
    if (DeviceCount < 500)
        Scale = 750;

    if (DeviceCount < 250)
        Scale = 350;

    if (DeviceCount < 100)
        Scale = 150;

    if (DeviceCount < 50)
        Scale = 50;
    try {
        drawScale(DeviceCanvas, false, DeviceCount, Scale);
        drawGaugeTitle(DeviceCanvas, "Device Count");
        drawGaugeNeedle(DeviceCanvas, DeviceCount, Scale);
        //drawGloss(EventsCanvas);
        ((ImageView) findViewById(R.id.DeviceGauge)).setImageBitmap(charty);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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

@Override
protected void onDraw(@NonNull Canvas canvas) {

    mDestination.set(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(),
            getHeight() - getPaddingBottom());

    if (getStyle() == SHAPE_CIRCLE) {
        canvas.drawOval(mDestination, mBackgroundPaint);
    } else {/* w  w  w.  j a  v  a 2  s.co m*/
        final float radius = getCalculatedCornerRadius();
        canvas.drawRoundRect(mDestination, radius, radius, mBackgroundPaint);
    }

    if (OUTLINE_DRAW) {
        super.onDraw(canvas);
    } else {
        final int contentLeft = getPaddingLeft(), contentTop = getPaddingTop(),
                contentRight = getWidth() - getPaddingRight(), contentBottom = getHeight() - getPaddingBottom();
        final int contentWidth = contentRight - contentLeft, contentHeight = contentBottom - contentTop;
        final int size = Math.min(contentWidth, contentHeight);
        if (mShadowBitmap != null) {
            canvas.drawBitmap(mShadowBitmap, contentLeft + (contentWidth - size) / 2 - mShadowRadius,
                    contentTop + (contentHeight - size) / 2 - mShadowRadius, null);
        }
        Drawable drawable = getDrawable();
        BitmapDrawable bitmapDrawable = null;
        // support state list drawable by getting the current state
        if (drawable instanceof StateListDrawable) {
            if (drawable.getCurrent() != null) {
                bitmapDrawable = (BitmapDrawable) drawable.getCurrent();
            }
        } else if (drawable instanceof BitmapDrawable) {
            bitmapDrawable = (BitmapDrawable) drawable;
        } else if (drawable instanceof ColorDrawable) {
            mSolidColorPaint.setColor(((ColorDrawable) drawable).getColor());
        } else {
            mSolidColorPaint.setColor(0);
        }

        Bitmap bitmap = null;
        if (bitmapDrawable != null) {
            bitmap = bitmapDrawable.getBitmap();
        }
        if (bitmap != null) {
            mSource.set(0, 0, bitmap.getWidth(), bitmap.getHeight());
        }
        drawBitmapWithCircleOnCanvas(bitmap, canvas, mSource, mDestination);
    }

    // Then draw the border.
    if (mBorderEnabled) {
        drawBorder(canvas);
    }
}

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From source file:com.keylesspalace.tusky.view.ProgressImageView.java

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

    float angle = (progress / 100f) * 360 - 90;
    float halfWidth = canvas.getWidth() / 2;
    float halfHeight = canvas.getHeight() / 2;
    progressRect.set(halfWidth * 0.75f, halfHeight * 0.75f, halfWidth * 1.25f, halfHeight * 1.25f);
    biggerRect.set(progressRect);/*from w  w w .  j av a  2 s.  co m*/
    int margin = 8;
    biggerRect.set(progressRect.left - margin, progressRect.top - margin, progressRect.right + margin,
            progressRect.bottom + margin);
    canvas.saveLayer(biggerRect, null, Canvas.ALL_SAVE_FLAG);
    if (progress != -1) {
        canvas.drawOval(progressRect, circlePaint);
        canvas.drawArc(biggerRect, angle, 360 - angle - 90, true, clearPaint);
    }
    canvas.restore();

    int circleRadius = Utils.dpToPx(getContext(), 14);
    int circleMargin = Utils.dpToPx(getContext(), 14);

    int circleY = canvas.getHeight() - circleMargin - circleRadius / 2;
    int circleX = canvas.getWidth() - circleMargin - circleRadius / 2;

    canvas.drawCircle(circleX, circleY, circleRadius, markBgPaint);

    captionDrawable.setBounds(canvas.getWidth() - circleMargin - circleRadius,
            canvas.getHeight() - circleMargin - circleRadius, canvas.getWidth() - circleMargin,
            canvas.getHeight() - circleMargin);
    DrawableCompat.setTint(captionDrawable, Color.WHITE);
    captionDrawable.draw(canvas);
}

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

@Override
protected void onDraw(@NonNull Canvas canvas) {
    mDestination.set(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(),
            getHeight() - getPaddingBottom());

    if (getStyle() == SHAPE_CIRCLE) {
        canvas.drawOval(mDestination, mBackgroundPaint);
    } else {/*from ww w  .java  2s.  com*/
        final float radius = getCalculatedCornerRadius();
        canvas.drawRoundRect(mDestination, radius, radius, mBackgroundPaint);
    }

    if (OUTLINE_DRAW) {
        super.onDraw(canvas);
    } else {
        final int contentLeft = getPaddingLeft(), contentTop = getPaddingTop(),
                contentRight = getWidth() - getPaddingRight(), contentBottom = getHeight() - getPaddingBottom();
        final int contentWidth = contentRight - contentLeft, contentHeight = contentBottom - contentTop;
        final int size = Math.min(contentWidth, contentHeight);
        if (mShadowBitmap != null) {
            canvas.drawBitmap(mShadowBitmap, contentLeft + (contentWidth - size) / 2 - mShadowRadius,
                    contentTop + (contentHeight - size) / 2 - mShadowRadius, null);
        }
        Drawable drawable = getDrawable();
        BitmapDrawable bitmapDrawable = null;
        // support state list drawable by getting the current state
        if (drawable instanceof StateListDrawable) {
            if (drawable.getCurrent() != null) {
                bitmapDrawable = (BitmapDrawable) drawable.getCurrent();
            }
        } else if (drawable instanceof BitmapDrawable) {
            bitmapDrawable = (BitmapDrawable) drawable;
        } else if (drawable instanceof ColorDrawable) {
            mSolidColorPaint.setColor(((ColorDrawable) drawable).getColor());
        } else {
            mSolidColorPaint.setColor(0);
        }

        Bitmap bitmap = null;
        if (bitmapDrawable != null) {
            bitmap = bitmapDrawable.getBitmap();
        }
        if (bitmap != null) {
            mSource.set(0, 0, bitmap.getWidth(), bitmap.getHeight());
        }
        drawBitmapWithCircleOnCanvas(bitmap, canvas, mSource, mDestination);
    }

    // Then draw the border.
    if (mBorderEnabled) {
        drawBorder(canvas, mDestination);
    }
}

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