Example usage for android.graphics Canvas drawCircle

Introduction

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

Prototype

public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint)

Source Link

Document

Draw the specified circle using the specified paint.

Usage

From source file:com.bamobile.fdtks.util.Tools.java

public static Bitmap getCircularBitmapWithWhiteBorder(Bitmap bitmap, int borderWidth) {
    if (bitmap == null || bitmap.isRecycled()) {
        return null;
    }/* ww w  . ja va  2s.c  om*/

    final int width = bitmap.getWidth() + borderWidth;
    final int height = bitmap.getHeight() + borderWidth;

    Bitmap canvasBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    BitmapShader shader = new BitmapShader(bitmap, TileMode.CLAMP, TileMode.CLAMP);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setShader(shader);

    Canvas canvas = new Canvas(canvasBitmap);
    float radius = width > height ? ((float) height) / 2f : ((float) width) / 2f;
    canvas.drawCircle(width / 2, height / 2, radius, paint);
    paint.setShader(null);
    paint.setStyle(Paint.Style.STROKE);
    paint.setColor(Color.BLUE);
    paint.setStrokeWidth(borderWidth);
    canvas.drawCircle(width / 2, height / 2, radius - borderWidth / 2, paint);
    return canvasBitmap;
}

From source file:com.grarak.kerneladiutor.elements.SplashView.java

private void draw(Canvas canvas, int x, int y, int radius) {
    if (radius > 0)
        canvas.drawCircle(x / 2, y / 2, radius, mPaintCircle);
    matrix.postRotate(rotate);/*ww  w  .jav a 2s .  co  m*/
    Bitmap iconRotate = Bitmap.createBitmap(icon, 0, 0, icon.getWidth(), icon.getHeight(), matrix, false);
    canvas.drawBitmap(iconRotate, x / 2 - iconRotate.getWidth() / 2, y / 2 - iconRotate.getHeight() / 2,
            mPaintCircle);

    TextPaint textPaint = new TextPaint();
    textPaint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD));
    textPaint.setColor(textColor);
    textPaint.setAntiAlias(true);
    textPaint.setTextAlign(Paint.Align.CENTER);
    textPaint.setTextSize(textSize);
    float textHeight = textPaint.descent() - textPaint.ascent();
    float textOffset = (textHeight / 2) - textPaint.descent();

    canvas.drawText(getResources().getString(R.string.root_waiting), x / 2, y - textOffset - y / 4, textPaint);
}

From source file:org.akvo.caddisfly.sensor.colorimetry.strip.widget.PageIndicatorView.java

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

    if (pageCount > 1) {
        for (int i = 0; i < pageCount; i++) {
            if (activePage == i) {
                canvas.drawCircle(DISTANCE * i + BULLET_RADIUS * 2, canvas.getHeight() / 2f, BULLET_RADIUS * 2,
                        fillPaint);//from www . j a  v  a2 s  . co  m
            } else {
                canvas.drawCircle(DISTANCE * i + BULLET_RADIUS * 2, canvas.getHeight() / 2f, BULLET_RADIUS,
                        fillPaint);
            }
        }
    }
}

From source file:com.madgag.android.lazydrawables.samples.DemoListActivity.java

private ImageResourceDownloader<String, Bitmap> slowImageMaker() {
    return new ImageResourceDownloader<String, Bitmap>() {
        public Bitmap get(String key) {
            Log.d(TAG, "Asked to download " + key);
            try {
                Thread.sleep(4000L);
            } catch (InterruptedException e) {
            }/*w ww. j a v  a  2 s  .c  o  m*/
            Bitmap bitmap = Bitmap.createBitmap(80, 80, Bitmap.Config.ARGB_8888);
            Canvas c = new Canvas(bitmap);
            Paint paint = new Paint();
            paint.setColor(0xff0000ff);
            c.drawCircle(0, 0, 50, paint);

            paint.setColor(0xffff007f);
            paint.setStyle(Paint.Style.FILL);
            paint.setAntiAlias(true);
            paint.setTextSize(30);
            c.drawText(key, 0, 3, 0, 60, paint);
            Log.d(TAG, "Done drawing... " + key);
            return bitmap;
        }
    };
}

From source file:com.ez.gallery.ucrop.view.widget.AspectRatioTextView.java

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

    if (isSelected()) {
        canvas.getClipBounds(mCanvasClipBounds);
        canvas.drawCircle((mCanvasClipBounds.right - mCanvasClipBounds.left) / 2.0f,
                mCanvasClipBounds.bottom - mDotSize, mDotSize / 2, mDotPaint);
    }/*from  ww w.ja va2 s  . com*/
}

From source file:com.android.datetimepicker.date.TextViewWithCircularIndicator.java

@Override
public void onDraw(@NonNull Canvas canvas) {
    if (mDrawCircle) {
        final int width = getWidth();
        final int height = getHeight();
        int radius = Math.min(width, height) / 2;
        canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint);
    }/*from  ww w.  j  a  v  a  2s.  co m*/
    setSelected(mDrawCircle);
    super.onDraw(canvas);
}

From source file:com.kenmeidearu.materialdatetimepicker.date.TextViewWithCircularIndicator.java

@Override
public void onDraw(@NonNull Canvas canvas) {
    if (mDrawCircle) {
        final int width = getWidth();
        final int height = getHeight();
        int radius = Math.min(width, height) / 2;
        canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint);
    }//from   w w w.j a  v a 2s  . co m
    setSelected(mDrawCircle);
    super.onDraw(canvas);

}

From source file:com.appyvet.rangebar.PinView.java

@Override
public void draw(Canvas canvas) {
    canvas.drawCircle(mX, mY, mCircleRadiusPx, mCirclePaint);
    //Draw pin if pressed
    if (mPinRadiusPx > 0) {
        mBounds.set((int) mX - mPinRadiusPx, (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding,
                (int) mX + mPinRadiusPx, (int) mY - (int) mPinPadding);
        mPin.setBounds(mBounds);//w w w . j  a v  a  2  s  .  c o m
        String text = mValue;

        if (this.formatter != null) {
            text = formatter.format(text);
        }

        calibrateTextSize(mTextPaint, text, mBounds.width());
        mTextPaint.getTextBounds(text, 0, text.length(), mBounds);
        mTextPaint.setTextAlign(Paint.Align.CENTER);
        mPin.setColorFilter(mPinFilter);
        mPin.draw(canvas);
        canvas.drawText(text, mX, mY - mPinRadiusPx - mPinPadding + mTextYPadding, mTextPaint);
    }
    super.draw(canvas);
}

From source file:com.github.kubatatami.RoundedView.java

@Override
protected void onDraw(Canvas canvas) {
    paint.setAntiAlias(true);/*  w w w . j  a va  2  s . c o  m*/
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);

    paint.setColor(color);
    canvas.drawCircle(getWidth() / 2, getHeight() / 2, getWidth() / 2, paint);

    if (text != null && !checked) {
        drawText(canvas);
    }

    if (checked && text == null) {
        drawChecked(canvas);
    }
}

From source file:airfree.xprojets.airfree.PinView.java

@Override
public void draw(Canvas canvas) {
    canvas.drawCircle(mX, mY, mCircleRadiusPx, mCirclePaint);
    //Draw pin if pressed
    if (mPinRadiusPx > 0 && (mHasBeenPressed || !mPinsAreTemporary)) {
        mBounds.set((int) mX - mPinRadiusPx, (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding,
                (int) mX + mPinRadiusPx, (int) mY - (int) mPinPadding);
        mPin.setBounds(mBounds);//  w  ww  .j  a  v a  2s.  co m
        String text = mValue;

        if (this.formatter != null) {
            text = formatter.format(text);
        }

        calibrateTextSize(mTextPaint, text, mBounds.width());
        mTextPaint.getTextBounds(text, 0, text.length(), mBounds);
        mTextPaint.setTextAlign(Paint.Align.CENTER);
        mPin.setColorFilter(mPinFilter);
        mPin.draw(canvas);
        canvas.drawText(text, mX, mY - mPinRadiusPx - mPinPadding + mTextYPadding, mTextPaint);
    }
    super.draw(canvas);
}