Example usage for android.graphics Color WHITE

Introduction

In this page you can find the example usage for android.graphics Color WHITE.

Prototype

int WHITE

To view the source code for android.graphics Color WHITE.

Click Source Link

Usage

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.WHITE;
    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);//from w  w  w. j a  v a  2s . 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;
}

From source file:Main.java

public static int getReadableTextColor(final int backgroundColor) {
    final int greyValue = grayscaleFromRGB(backgroundColor);
    // 186 chosen rather than the seemingly obvious 128 because of gamma.
    if (greyValue < 186) {
        return Color.WHITE;
    } else {//  w ww  .java2  s. co  m
        return Color.BLACK;
    }
}

From source file:Main.java

public static Bitmap view2Bitmap(View view) {
    if (view == null)
        return null;
    Bitmap ret = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(ret);
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null) {
        bgDrawable.draw(canvas);//  w w  w . j ava2  s. c o m
    } else {
        canvas.drawColor(Color.WHITE);
    }
    view.draw(canvas);
    return ret;
}

From source file:Main.java

public static Bitmap roundCorners(final Bitmap source, final float radius) {
    int width = source.getWidth();
    int height = source.getHeight();

    Paint paint = new Paint();
    paint.setAntiAlias(true);/*from  w w  w  .j  a va2s . c o  m*/
    paint.setColor(Color.WHITE);

    Bitmap clipped = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(clipped);
    canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));

    Bitmap rounded = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    canvas = new Canvas(rounded);
    canvas.drawBitmap(source, 0, 0, null);
    canvas.drawBitmap(clipped, 0, 0, paint);

    source.recycle();
    clipped.recycle();

    return rounded;
}

From source file:Main.java

/**
 * Adds the white border to the specifed bitmap image using specified border size.
 * //from   www  .j  a v  a  2s.  c om
 * @param bmp to add border
 * @param borderSize
 * @return bitmap image with border.
 */
public static Bitmap addWhiteBorder(Bitmap bmp, int borderSize, int imgSize) {

    Bitmap bmpWithBorder = Bitmap.createBitmap(bmp.getWidth() + borderSize * 2,
            bmp.getHeight() + borderSize * 2, bmp.getConfig());
    Canvas canvas = new Canvas(bmpWithBorder);
    canvas.drawColor(Color.WHITE);
    canvas.drawBitmap(bmp, borderSize, borderSize, null);

    return bmpWithBorder;
}

From source file:Main.java

public static byte[] bmp2bytesStream(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    if (width % 8 != 0) {
        int adjustWidth = width + (8 - width % 8);
        final Bitmap.Config config = Bitmap.Config.ARGB_8888;
        Bitmap whiteBgBitmap = Bitmap.createBitmap(adjustWidth, height, config);
        Canvas canvas = new Canvas(whiteBgBitmap);
        canvas.drawColor(Color.WHITE);
        canvas.drawBitmap(bitmap, 0, 0, null);

        bitmap = whiteBgBitmap;//  w  w w.j  ava2s  .  c o m
        width = bitmap.getWidth();
    }
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    byte[] image = new byte[width * height];
    final byte WHITE = 0, BLACK = 1;
    for (int i = 0; i < pixels.length; i++) {
        image[i] = (pixels[i] != 0xFFFFFFFF) ? BLACK : WHITE;
    }
    final int COL = width + width % 2;
    byte[] row = new byte[COL];
    byte[] res = new byte[COL / 8 * height];
    for (int i = 0, dex = 0, num = 0; i < height; ++i) {
        System.arraycopy(image, i * width, row, 0, width);
        for (byte e : row) {
            res[dex] += e << (7 - num++);
            num = 8 == num ? 0 : num;
            dex = 0 == num ? dex + 1 : dex;
        }
    }
    return res;
}

From source file:Main.java

public static Bitmap getRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap out = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(out);
    Paint paint = new Paint();
    paint.setColor(Color.WHITE);
    paint.setAntiAlias(true);//  ww w . ja  v a 2 s.co  m
    canvas.drawCircle(width / 2, height / 2, width / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    Rect rect = new Rect(0, 0, width, height);
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return out;
}

From source file:Main.java

public static void showOkDialog(String title, String msg, Activity act) {
    AlertDialog.Builder dialog = new AlertDialog.Builder(act);
    if (title != null) {

        TextView dialogTitle = new TextView(act);
        dialogTitle.setText(title);//w  w w  . j a v a2  s  .c o m
        dialogTitle.setPadding(10, 10, 10, 10);
        dialogTitle.setGravity(Gravity.CENTER);
        dialogTitle.setTextColor(Color.WHITE);
        dialogTitle.setTextSize(20);
        dialog.setCustomTitle(dialogTitle);

    }
    if (msg != null) {
        dialog.setMessage(msg);
    }
    dialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            // TODO Auto-generated method stub
            dialog.dismiss();
        }
    });
    AlertDialog dlg = dialog.show();
    TextView messageText = (TextView) dlg.findViewById(android.R.id.message);
    messageText.setGravity(Gravity.CENTER);

}

From source file:Main.java

public static Bitmap getBitmapFromView(View view) {
    Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(returnedBitmap);
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null)
        bgDrawable.draw(canvas);//from  w  w w. ja  v a 2 s .co  m
    else
        canvas.drawColor(Color.WHITE);
    view.draw(canvas);
    return returnedBitmap;
}

From source file:Main.java

public static int lighten(final int color, float fraction) {
    return blendColors(Color.WHITE, color, fraction);
}