Example usage for android.graphics PorterDuffXfermode PorterDuffXfermode

Introduction

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

Prototype

public PorterDuffXfermode(PorterDuff.Mode mode) 

Source Link

Document

Create an xfermode that uses the specified porter-duff mode.

Usage

From source file:Main.java

public static Bitmap getBitmap(Bitmap background, Bitmap contour, float alpha) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);//w ww .  j  av  a  2s  . com
    paint.setColor(Color.WHITE);
    paint.setDither(false);
    Bitmap bitmap = Bitmap.createBitmap(contour.getWidth(), contour.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Matrix m = new Matrix();
    m.setScale(contour.getWidth() * 1.0f / background.getWidth(),
            contour.getHeight() * 1.0f / background.getHeight());
    paint.setAlpha((int) (alpha * 0xff));
    canvas.drawBitmap(background, m, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    paint.setAlpha(0xff);
    canvas.drawBitmap(contour, 0, 0, paint);
    return bitmap;
}

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From source file:Main.java

/**
 * clip source bitmap into a circle bitmap
 *
 * @param src     the source bitmap//from   w ww.j  ava 2  s .c om
 * @param recycle whether recycle the source bitmap
 * @param config  bitmap config
 * @return clipped  circle bitmap
 */
public static Bitmap createCircleBitmap(Bitmap src, boolean recycle, Bitmap.Config config) {
    if (src == null) {
        return null;
    }
    if (config == null) {
        config = Bitmap.Config.ARGB_8888;
    }
    Bitmap out = Bitmap.createBitmap(src.getWidth(), src.getHeight(), config);
    final Rect rect = new Rect(0, 0, Math.min(src.getWidth(), src.getHeight()),
            Math.min(src.getWidth(), src.getHeight()));
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    Canvas canvas = new Canvas(out);
    canvas.drawARGB(0, 0, 0, 0);
    RectF rectF = new RectF(rect);
    canvas.drawOval(rectF, paint);

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

    if (recycle) {
        src.recycle();
    }

    return out;

}

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From source file:Main.java

public static Bitmap combineImages(Bitmap bgd, Bitmap fg) {
    Bitmap bmp;/*from  w  w  w. ja va2s . c  o m*/

    int width = bgd.getWidth() > fg.getWidth() ? bgd.getWidth() : fg.getWidth();
    int height = bgd.getHeight() > fg.getHeight() ? bgd.getHeight() : fg.getHeight();

    bmp = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Paint paint = new Paint();
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_ATOP));

    Canvas canvas = new Canvas(bmp);
    canvas.drawBitmap(bgd, 0, 0, null);
    canvas.drawBitmap(fg, 0, 0, paint);

    return bmp;
}

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From source file:Main.java

public static Bitmap roundCornerFromFile(String filePath, int pixels) {
    try {/*from   w  ww. java  2  s  . co  m*/
        Bitmap bitmap = BitmapFactory.decodeFile(filePath);
        if (bitmap == null)
            return null;
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), bitmap.getConfig());
        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());
        final RectF rectF = new RectF(rect);
        final float roundPx = pixels;
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);
        bitmap.recycle();
        bitmap = null;
        return output;
    } catch (OutOfMemoryError e) {
        return null;
    } catch (Exception e) {
        return null;
    }
}

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From source file:Main.java

public static Bitmap drawTextToBitmap(Bitmap bitmap, String gText) {
    OutputStream outStream = null;
    Bitmap.Config bitmapConfig = bitmap.getConfig();
    // set default bitmap config if none
    if (bitmapConfig == null) {
        bitmapConfig = Bitmap.Config.ARGB_8888;
    }/*from  ww w.  jav a  2s .  com*/
    String dataPath = Environment.getExternalStorageDirectory().toString() + "/SignChat/Temp/temp" + "0"
            + pictureNum + ".jpg";

    try {

        FileOutputStream out = new FileOutputStream(dataPath);

        // NEWLY ADDED CODE STARTS HERE [
        Canvas canvas = new Canvas(bitmap);

        Paint paint = new Paint();
        paint.setColor(Color.WHITE); // Text Color
        paint.setStrokeWidth(12); // Text Size
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER)); // Text
        // Overlapping
        // Pattern
        // some more settings...

        canvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawText("Testing...", 10, 10, paint);
        // NEWLY ADDED CODE ENDS HERE ]

        bitmap.compress(CompressFormat.JPEG, 90, out);
        out.flush();
        out.close();

    } catch (Exception e) {
        e.printStackTrace();
    }
    return bitmap;
}

---

From source file:Main.java

public static Bitmap getRoundedCornerBitmap3(Drawable imageDrawable, int radius) {

    Bitmap d = ((BitmapDrawable) imageDrawable).getBitmap();
    BitmapShader shader = new BitmapShader(d, TileMode.CLAMP, TileMode.CLAMP);

    int size = Math.min(d.getWidth(), d.getHeight());
    Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    RectF outerRect = new RectF(0, 0, size, size);
    //      float cornerRadius = radius;

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setShader(shader);//  w  w  w. ja  v a 2  s.c om
    paint.setAntiAlias(true);
    paint.setColor(Color.RED);
    canvas.drawCircle(outerRect.centerX(), outerRect.centerY(), d.getWidth() / 2, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    imageDrawable.setBounds(0, 0, size, size);

    Canvas canvas1 = new Canvas(output);

    RectF outerRect1 = new RectF(0, 0, size, size);

    Paint paint1 = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint1.setShader(shader);
    paint1.setAntiAlias(true);
    paint1.setColor(Color.RED);
    canvas1.drawCircle(outerRect1.centerX(), outerRect1.centerY(), d.getWidth() / 2, paint);

    paint1.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    return output;
}

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From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) {
    Bitmap sbmp;//ww  w  .ja v  a 2 s . co  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;
}

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From source file:Main.java

public static Bitmap getRoundBitmap(Bitmap bmp, float roundDP) {
    //      roundDP *= Constants.screen_density;
    Bitmap bmpOut = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Config.ARGB_8888);
    Canvas c = new Canvas(bmpOut);
    final Paint p = new Paint();
    final RectF rectF = new RectF(0, 0, bmp.getWidth(), bmp.getHeight());

    p.setAntiAlias(true);//from ww  w.j a  v  a  2 s . c  o m
    c.drawARGB(0, 0, 0, 0);
    p.setColor(Color.BLACK);
    c.drawRoundRect(rectF, roundDP, roundDP, p);
    p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    c.drawBitmap(bmp, 0, 0, p);
    return bmpOut;
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int maxHeight, int pixels) {
    maxHeight = (int) (getApplicationContext().getResources().getDisplayMetrics().density * maxHeight);
    float scale = bitmap.getHeight() * 1.0f / maxHeight;
    int newWidth = (int) (bitmap.getWidth() / scale);

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

    final int color = 0xffffffff;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final Rect dstRect = new Rect(0, 0, newWidth, maxHeight);
    final RectF rectF = new RectF(dstRect);

    paint.setAntiAlias(true);// w  w  w.  j  ava2 s .co  m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, (float) pixels, (float) pixels, paint);

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

    return output;
}

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From source file:Main.java

public static Bitmap getClip(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);
    Paint paint = new Paint();
    Rect rect = new Rect(0, 0, width, height);

    paint.setAntiAlias(true);/*from   www.  ja va2  s  . c  o  m*/
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(width / 2, height / 2, width / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, null, rect, paint);
    return output;
}

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