Example usage for android.graphics Paint Paint

List of usage examples for android.graphics Paint Paint

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Introduction

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

Prototype

public Paint()

Source Link

Document

Create a new paint with default settings.

Usage

From source file:Main.java

/**
 * Create rounded corner bitmap.// ww w  .ja v  a2s .  com
 *
 * @param bitmap bitmap.
 * @return rounded bitmap.
 */
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap source = Bitmap.createScaledBitmap(bitmap, 480, 480, false);
    Bitmap output = Bitmap.createBitmap(source.getWidth(), source.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, source.getWidth(), source.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = source.getWidth();

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

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

    return output;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int pixels, int w, int h,
        boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR) {

    Bitmap output = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final float densityMultiplier = context.getResources().getDisplayMetrics().density;

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);

    //make sure that our rounded corner is scaled appropriately
    final float roundPx = pixels * densityMultiplier;

    paint.setAntiAlias(true);/*  w w  w  .  j a  va2  s  .  c  om*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    //draw rectangles over the corners we want to be square
    if (squareTL) {
        canvas.drawRect(0, 0, w / 2, h / 2, paint);
    }
    if (squareTR) {
        canvas.drawRect(w / 2, 0, w, h / 2, paint);
    }
    if (squareBL) {
        canvas.drawRect(0, h / 2, w / 2, h, paint);
    }
    if (squareBR) {
        canvas.drawRect(w / 2, h / 2, w, h, paint);
    }

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(input, 0, 0, paint);

    return output;
}

From source file:Main.java

/**
 * Convert bitmap to the grayscale// w  ww .  ja  v  a 2 s .c  o  m
 * http://androidsnippets.com/convert-bitmap-to-grayscale
 *
 * @param bmpOriginal Original bitmap
 * @return Grayscale bitmap
 */
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    final int height = bmpOriginal.getHeight();
    final int width = bmpOriginal.getWidth();

    final Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas c = new Canvas(bmpGrayscale);
    final Paint paint = new Paint();
    final ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    final ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx, int w, int h) {
    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);//ww w.ja  v  a2s . c om
    canvas.drawARGB(0, 0xFF, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()), rect, paint);

    return output;
}

From source file:Main.java

public static Bitmap createCircleBitmap(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }/*from   w  w w .  j a v a2  s.  c  o  m*/

    int bmWidth = bitmap.getWidth();
    int bmHeight = bitmap.getHeight();
    int side = bmWidth < bmHeight ? bmWidth : bmHeight;
    int x = (bmWidth - side) / 2;
    int y = (bmHeight - side) / 2;
    Bitmap newBm = Bitmap.createBitmap(side, side, Bitmap.Config.ARGB_8888);
    if (newBm != null) {
        Canvas canvas = new Canvas(newBm);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
        paint.setDither(true);

        Rect rect = new Rect(0, 0, newBm.getWidth(), newBm.getHeight());
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawCircle(newBm.getWidth() / 2, newBm.getHeight() / 2, newBm.getHeight() / 2, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);

        return newBm;
    }
    return null;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int dips, int w, int h,
        boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR) {

    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final float densityMultiplier = context.getResources().getDisplayMetrics().density;

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);

    //make sure that our rounded corner is scaled appropriately
    final float roundPx = dips * densityMultiplier;

    paint.setAntiAlias(true);/*from www .  ja  v a2 s .  c om*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    //draw rectangles over the corners we want to be square
    if (squareTL) {
        canvas.drawRect(0, 0, w / 2, h / 2, paint);
    }
    if (squareTR) {
        canvas.drawRect(w / 2, 0, w, h / 2, paint);
    }
    if (squareBL) {
        canvas.drawRect(0, h / 2, w / 2, h, paint);
    }
    if (squareBR) {
        canvas.drawRect(w / 2, h / 2, w, h, paint);
    }

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(input, 0, 0, paint);

    return output;
}

From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bmp, int radius, int border, int color) {
    Bitmap scaledBitmap;//from  w  ww .j av a 2 s . com
    if (bmp.getWidth() != radius || bmp.getHeight() != radius) {
        scaledBitmap = ThumbnailUtils.extractThumbnail(bmp, radius - 2, radius - 2);
    } else {
        scaledBitmap = bmp;
    }

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

    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawCircle(scaledBitmap.getWidth() / 2, scaledBitmap.getHeight() / 2, scaledBitmap.getWidth() / 2,
            paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    final Rect rect = new Rect(0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight());
    canvas.drawBitmap(scaledBitmap, rect, rect, paint);

    if (border > 0) {
        paint.setStrokeWidth(border);
        paint.setStyle(Paint.Style.STROKE);
        canvas.drawCircle(scaledBitmap.getWidth() / 2, scaledBitmap.getHeight() / 2,
                scaledBitmap.getWidth() / 2, paint);
    }

    return output;
}

From source file:Main.java

public static void drawCropRect(Canvas canvas, RectF bounds) {
    Paint p = new Paint();
    p.setStyle(Paint.Style.STROKE);
    p.setColor(Color.WHITE);/*from w  w  w  . j  a  va  2 s.  c  om*/
    p.setStrokeWidth(3);
    canvas.drawRect(bounds, p);
}

From source file:Main.java

public static Bitmap createRoundedBitmap(Context context, Bitmap bitmap, int radiusDP) {
    Bitmap bmp;/*from   ww  w  .  java 2 s .  c  o m*/

    bmp = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    BitmapShader shader = new BitmapShader(bitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);

    float radius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, radiusDP,
            context.getResources().getDisplayMetrics());
    Canvas canvas = new Canvas(bmp);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setShader(shader);

    RectF rect = new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight());
    canvas.drawRoundRect(rect, radius, radius, paint);

    return bmp;
}

From source file:Main.java

/**
 * Returns semi-rounded bitmap. This is used for displaying atn promotion images.
 * //ww  w  . j  a va2s  .  c o  m
 * @param context
 * @param input
 * @return
 */
public static Bitmap getSemiRoundedBitmap(Context context, Bitmap input) {
    Bitmap output = Bitmap.createBitmap(input.getWidth(), input.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final float densityMultiplier = context.getResources().getDisplayMetrics().density;
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, input.getWidth(), input.getHeight());
    final RectF rectF = new RectF(rect);
    //make sure that our rounded corner is scaled appropriately
    final float roundPx = densityMultiplier * 10;
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    //draw rectangles over the corners we want to be square
    canvas.drawRect(input.getWidth() / 2, 0, input.getWidth(), input.getHeight() / 2, paint);
    canvas.drawRect(input.getWidth() / 2, input.getHeight() / 2, input.getWidth(), input.getHeight(), paint);
    paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(input, 0, 0, paint);
    input.recycle();

    return output;
}