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:org.adw.library.widgets.discreteseekbar.internal.drawable.AlmostRippleDrawable.java

@Override
public void doDraw(Canvas canvas, Paint paint) {
    Rect bounds = getBounds();/*from w w w . jav a 2  s  .  co  m*/
    int size = Math.min(bounds.width(), bounds.height());
    float scale = mCurrentScale;
    int rippleColor = mRippleColor;
    int bgColor = mRippleBgColor;
    float radius = (size / 2);
    float radiusAnimated = radius * scale;
    if (scale > INACTIVE_SCALE) {
        if (bgColor != 0) {
            paint.setColor(bgColor);
            paint.setAlpha(decreasedAlpha(Color.alpha(bgColor)));
            canvas.drawCircle(bounds.centerX(), bounds.centerY(), radius, paint);
        }
        if (rippleColor != 0) {
            paint.setColor(rippleColor);
            paint.setAlpha(modulateAlpha(Color.alpha(rippleColor)));
            canvas.drawCircle(bounds.centerX(), bounds.centerY(), radiusAnimated, paint);
        }
    }
}

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From source file:com.blogspot.ksoichiro.viewIndicator.ViewIndicator.java

@SuppressLint("DrawAllocation")
@Override//  w ww. j ava2  s . c o m
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    Paint paint = new Paint();
    paint.setStrokeWidth(1);
    paint.setStrokeCap(Paint.Cap.ROUND);
    paint.setColor(Color.BLACK);
    paint.setAntiAlias(true);

    for (int i = 0; i < mNumOfViews; i++) {
        float cx = (getWidth() - (mNumOfViews - 1) * DISTANCE) / 2 + i * DISTANCE;
        float cy = getHeight() / 2.0f;
        if (mPosition == i) {
            paint.setStyle(Paint.Style.FILL_AND_STROKE);
        } else {
            paint.setStyle(Paint.Style.STROKE);
        }
        canvas.drawCircle(cx, cy, RADIUS, paint);
    }
}

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From source file:com.snippet.widget.ViewIndicator.java

@SuppressLint("DrawAllocation")
@Override//from   w  w  w .  j  a  va2  s  .  c om
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    Paint paint = new Paint();
    paint.setStrokeWidth(1);
    paint.setStrokeCap(Paint.Cap.ROUND);
    paint.setColor(Color.BLACK);
    paint.setAntiAlias(true);

    for (int i = 0; i < mNumOfViews; i++) {
        float cx = (getWidth() - (mNumOfViews - 1) * mDistance) / 2 + i * mDistance;
        float cy = getHeight() / 2.0f;
        if (mPosition == i) {
            paint.setStyle(Paint.Style.FILL_AND_STROKE);
        } else {
            paint.setStyle(Paint.Style.STROKE);
        }
        canvas.drawCircle(cx, cy, mRadius, paint);
    }
}

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From source file:com.abhinavjhanwar.android.egg.neko.Cat.java

public Bitmap createLargeBitmap(Context context) {
    final Resources res = context.getResources();
    final int w = res.getDimensionPixelSize(android.R.dimen.notification_large_icon_width);
    final int h = res.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);

    Bitmap result = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(result);
    final Paint pt = new Paint();
    float[] hsv = new float[3];
    Color.colorToHSV(mBodyColor, hsv);
    hsv[2] = (hsv[2] > 0.5f) ? (hsv[2] - 0.25f) : (hsv[2] + 0.25f);
    pt.setColor(Color.HSVToColor(hsv));
    pt.setFlags(Paint.ANTI_ALIAS_FLAG);
    float r = w / 2;
    canvas.drawCircle(r, r, r, pt);
    int m = w / 10;

    slowDraw(canvas, m, m, w - m - m, h - m - m);

    return result;
}

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From source file:com.mianamiana.library.LiquidBallProgressBar.java

private void drawLiqiud(Canvas canvas) {
    float radius = getWidth() / 2.0f;
    float cx = getWidth() / 2.0f;
    float cy = getHeight() / 2.0f;

    if (mIsRunAnimation) {
        mWaveShaderMatrix.setTranslate(mWaveTranslationX, mWaveOffsetY + mWaveTranslationY);
        mWaveShader.setLocalMatrix(mWaveShaderMatrix);
    }/*  ww  w  .j  av  a 2 s.c  om*/
    if (mBorderWidth != 0) {
        canvas.drawCircle(cx, cy, radius, mBorderPaint);
        canvas.drawCircle(cx, cy, radius - mBorderWidth, mWavePaint);
    } else {
        canvas.drawCircle(cx, cy, radius, mWavePaint);
    }

}

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From source file:com.andremion.counterfab.CounterFab.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mCount > 0 || isAnimating()) {
        if (getContentRect(mContentBounds)) {
            mCircleBounds.offsetTo(mContentBounds.left + mContentBounds.width() - mCircleBounds.width(),
                    mContentBounds.top);
        }/*from   ww  w .j a  v  a  2 s .c o m*/
        float cx = mCircleBounds.centerX();
        float cy = mCircleBounds.centerY();
        float radius = mCircleBounds.width() / 2f * mAnimationFactor;
        // Solid circle
        canvas.drawCircle(cx, cy, radius, mCirclePaint);
        // Mask circle
        canvas.drawCircle(cx, cy, radius, mMaskPaint);
        // Count text
        mTextPaint.setTextSize(mTextSize * mAnimationFactor);
        canvas.drawText(mText, cx, cy + mTextHeight / 2f, mTextPaint);
    }
}

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From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawSun(Canvas canvas) {
    sunPaint.reset();//from   w ww.  j  a  v  a2s.c om
    sunPaint.setColor(Color.YELLOW);
    sunPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    // Horizontal sunPosition = new Horizontal(225, 45);

    if (sunPosition.getElevation() > -10) {
        canvas.rotate((float) sunPosition.getAzimuth() - 360, px, py);
        sunPaint.setPathEffect(dashPath);

        int ry = (int) (((90 - sunPosition.getElevation()) / 90) * Radius);
        canvas.drawCircle(px, py - ry, r, sunPaint);
        dashedPaint.setColor(Color.YELLOW);
        canvas.drawLine(px, py - Radius, px, py + Radius, dashedPaint);
        sunPaint.setPathEffect(null);
        canvas.restore();
    }

}

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From source file:com.github.pockethub.android.ui.view.DotPageIndicator.java

/**
 * Draw the selected dot and when it moves
 *
 * @param canvas The canvas to draw on//from ww  w. ja v  a2  s  . c om
 */

private void drawSelectedDot(Canvas canvas) {
    float distance = (dotRadius * 2 + dotSpacing) * amount;

    float fromPosX = getDotCenterX(currentPos);
    float fromPosY = getDotCenterY(currentPos);

    float toPosX = getDotCenterX(nextPos);
    float toPosY = getDotCenterY(nextPos);

    if (toPosY != fromPosY) {
        PAINT_SELECTED.setAlpha(Math.round(dotAlpha * amount));
        canvas.drawCircle(toPosX - ((dotRadius * 2 + dotSpacing) - distance), toPosY, dotRadius,
                PAINT_SELECTED);
        PAINT_SELECTED.setAlpha(Math.round(dotAlpha * (1 - amount)));
    }

    canvas.drawCircle(fromPosX + distance, fromPosY, dotRadius, PAINT_SELECTED);
    PAINT_SELECTED.setAlpha(dotAlpha);
}

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From source file:com.android.andryyu.lifehelper.widget.RippleView.java

private Bitmap getCircleBitmap(final int radius) {
    final Bitmap output = Bitmap.createBitmap(originBitmap.getWidth(), originBitmap.getHeight(),
            Bitmap.Config.ARGB_8888);/*from w ww. jav a 2s  . c  o m*/
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect((int) (x - radius), (int) (y - radius), (int) (x + radius), (int) (y + radius));

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(x, y, radius, paint);

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

    return output;
}

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From source file:com.codetroopers.shakemytours.ui.activity.TripActivity.java

private Bitmap createMarker(int radius, int strokeWidth, String letter, int strokeColor, int backgroundColor) {
    int width = (radius * 2) + (strokeWidth * 2);
    Bitmap marker = Bitmap.createBitmap(width, width, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(marker);

    Paint strokePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    strokePaint.setColor(strokeColor);/*from  w  w w. jav  a  2s .  c o  m*/
    strokePaint.setShadowLayer(strokeWidth, 1.0f, 1.0f, Color.BLACK);
    canvas.drawCircle(width / 2, width / 2, radius, strokePaint);

    Paint backgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    backgroundPaint.setColor(backgroundColor);
    canvas.drawCircle(width / 2, width / 2, radius - strokeWidth, backgroundPaint);

    if (letter != null) {
        Rect result = new Rect();
        Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        textPaint.setTextAlign(Paint.Align.CENTER);
        textPaint.setTextSize(getResources().getDimensionPixelSize(R.dimen.map_marker_text_size));
        textPaint.setColor(strokeColor);
        textPaint.getTextBounds(letter, 0, letter.length(), result);
        int yOffset = result.height() / 2;

        canvas.drawText(letter, width / 2, (width / 2) + yOffset, textPaint);
    }
    return marker;
}

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