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:Main.java

/**
 * This method takes a square bitmap and clips it into a circle
 *
 * @param bitmap : the image to clip/*from w  w w  .  ja  v a2  s. c om*/
 * @return the clipped bitmap
 */
public static Bitmap getCroppedBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //Bitmap _bmp = Bitmap.createScaledBitmap(output, 60, 60, false);
    //return _bmp;
    return output;
}

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From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {

    Bitmap sbmp;//  www  .j av a  2s.  c  om
    if (bmp.getWidth() != radius || bmp.getHeight() != radius)
        sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
    else
        sbmp = bmp;
    Bitmap output = Bitmap.createBitmap(sbmp.getWidth(), sbmp.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    //final int color = 0xffa19774;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(Color.parseColor("#BAB399"));
    canvas.drawCircle(sbmp.getWidth() / 2 + 0.7f, sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2 + 0.1f,
            paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(sbmp, rect, rect, paint);
    return output;
}

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From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bitmap) {
    if (bitmap == null)
        return null;

    bitmap = cropToSquare(bitmap);//from ww  w. j av a  2 s .  co  m

    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //      Bitmap _bmp = Bitmap.createScaledBitmap(output, 60, 60, false);
    //      return _bmp;
    return output;
}

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From source file:Main.java

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

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    paint.setAntiAlias(true);/*from  ww w . j a va  2s.co m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    if (bitmap.getHeight() > bitmap.getWidth()) {
        // Dikey
        canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    } else {
        // Yatay
        canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getHeight() / 2, paint);
    }

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

    if (bitmap.getHeight() > bitmap.getWidth()) {
        // Dikey
        output = Bitmap.createBitmap(output, 0, output.getHeight() / 2 - output.getWidth() / 2,
                output.getWidth(), output.getWidth());
    } else {
        // Yatay
        output = Bitmap.createBitmap(output, output.getWidth() / 2 - output.getHeight() / 2, 0,
                output.getHeight(), output.getHeight());
    }

    return output;
}

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From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {
    Bitmap sbmp;//from   ww w . java2 s.  c o m

    if (bmp.getWidth() != radius || bmp.getHeight() != radius)
        sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
    else
        sbmp = bmp;

    Bitmap output = Bitmap.createBitmap(sbmp.getWidth(), sbmp.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    //final int color = 0xffa19774;
    final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());

    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);

    canvas.drawARGB(0, 0, 0, 0);

    paint.setColor(Color.parseColor("#BAB399"));

    canvas.drawCircle(sbmp.getWidth() / 2 + 0.7f, sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2 + 0.1f,
            paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

    canvas.drawBitmap(sbmp, rect, rect, paint);

    return output;
}

---

From source file:Main.java

/**
 * Create circle image./*from  ww  w  . j a  va 2 s .co m*/
 *
 * @param bitmap      Bitmap to be cropped
 * @param resColor    Resource color
 * @param strokeWidth Thickness of stroke
 * @return Returns the circle image with border
 */
public static Bitmap getCircleImage(Bitmap bitmap, int resColor, int strokeWidth) {
    // create Bitmap to draw
    Bitmap mBitmap = Bitmap.createBitmap(bitmap.getWidth() + 8, bitmap.getHeight() + 8,
            Bitmap.Config.ARGB_8888);

    // create Rect to hold image
    final Rect mRec = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    // create Canvas
    Canvas mCanvas = new Canvas(mBitmap);
    mCanvas.drawARGB(0, 0, 0, 0);

    // create Paint
    final Paint mPaint = new Paint();
    mPaint.setStyle(Paint.Style.FILL);
    mPaint.setAntiAlias(true);

    // get the half size of the image
    int mHalfWidth = bitmap.getWidth() / 2;
    int mHalfHeight = bitmap.getHeight() / 2;

    // draw circle
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // unknown
    mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    // draw the image
    mCanvas.drawBitmap(bitmap, mRec, mRec, mPaint);

    // set border mode
    mPaint.setXfermode(null);

    // set stroke
    mPaint.setStyle(Paint.Style.STROKE);

    // set stroke color
    mPaint.setColor(resColor);

    // set stroke width
    mPaint.setStrokeWidth(strokeWidth);

    // draw stroke
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // return the circle image
    return mBitmap;
}

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From source file:Main.java

public static Bitmap createCircularClip(Bitmap input, int width, int height) {
    if (input == null)
        return null;

    final int inWidth = input.getWidth();
    final int inHeight = input.getHeight();
    final Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    paint.setShader(new BitmapShader(input, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
    paint.setAntiAlias(true);/*from   www .  j  av a2  s . c  o m*/
    final RectF srcRect = new RectF(0, 0, inWidth, inHeight);
    final RectF dstRect = new RectF(0, 0, width, height);
    final Matrix m = new Matrix();
    m.setRectToRect(srcRect, dstRect, Matrix.ScaleToFit.CENTER);
    canvas.setMatrix(m);
    canvas.drawCircle(inWidth / 2, inHeight / 2, inWidth / 2, paint);
    return output;
}

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From source file:Main.java

public static Bitmap get_circular_bitmap(Bitmap bitmap) {
    Bitmap output;//w w w . ja va 2  s .c o  m

    if (bitmap.getWidth() > bitmap.getHeight()) {
        output = Bitmap.createBitmap(bitmap.getHeight(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    } else {
        output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getWidth(), Bitmap.Config.ARGB_8888);
    }

    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    float r = 0;

    if (bitmap.getWidth() > bitmap.getHeight()) {
        r = bitmap.getHeight() / 2;
    } else {
        r = bitmap.getWidth() / 2;
    }

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawCircle(r, r, r, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

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From source file:net.kourlas.voipms_sms.Utils.java

/**
 * Applies a circular mask to a bitmap.//from ww  w . j ava  2 s  . co m
 *
 * @param bitmap The bitmap to apply the mask to.
 */
public static Bitmap applyCircularMask(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setAntiAlias(true);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

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From source file:Main.java

/**
 * cut a circle from a bitmap/*from w w w  .  ja  v  a2  s  .c o m*/
 *
 * @param picturePath complete path name for the file.
 * @param destCube the cube dimension of dest bitmap
 * @return the bitmap
 */
public static Bitmap cutCircleFromBitmap(String picturePath, int destCube) {
    BitmapFactory.Options opts = new BitmapFactory.Options();

    opts.inDither = false; //Disable Dithering mode
    opts.inPurgeable = true; //Tell to gc that whether it needs free memory, the Bitmap can be cleared
    opts.inInputShareable = true; //Which kind of reference will be used to recover the Bitmap data after being clear, when it will be used in the future
    opts.inTempStorage = new byte[32 * 1024];

    Bitmap bitmapImg = BitmapFactory.decodeFile(picturePath, opts);

    int cube = destCube;

    if (bitmapImg == null)
        return null;

    int smallest = Math.min(bitmapImg.getWidth(), bitmapImg.getHeight());

    Bitmap output = Bitmap.createBitmap(cube, cube, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();

    int left = (int) ((bitmapImg.getWidth() - smallest) * 0.5);
    int top = (int) ((bitmapImg.getHeight() - smallest) * 0.5);

    final Rect rectSrc = new Rect(left, top, left + smallest, top + smallest);
    final Rect rectDest = new Rect(0, 0, cube, cube);

    paint.setAntiAlias(true);

    canvas.drawARGB(0, 0, 0, 0);

    paint.setColor(color);

    canvas.drawCircle(cube / 2, cube / 2, cube / 2, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

    canvas.drawBitmap(bitmapImg, rectSrc, rectDest, paint);

    bitmapImg.recycle();

    return output;
}

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