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:com.android.leanlauncher.IconCache.java

private void renderIconBackground(Bitmap icon, Bitmap maskImage, Canvas tempCanvas, int w, int h,
        boolean drawOver) {
    // draw the scaled bitmap with mask
    Bitmap mutableMask = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);

    Canvas maskCanvas = new Canvas(mutableMask);
    maskCanvas.drawBitmap(maskImage, 0, 0, new Paint());

    // paint the bitmap with mask into the result
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setXfermode(new PorterDuffXfermode(drawOver ? DST_OUT : DST_IN));
    tempCanvas.drawBitmap(icon, (w - icon.getWidth()) / 2, (h - icon.getHeight()) / 2, null);
    tempCanvas.drawBitmap(mutableMask, 0, 0, paint);
    paint.setXfermode(null);//  ww w .j  av  a2  s.c o  m
}

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From source file:com.c4mprod.utils.ImageManager.java

public static Bitmap getRoundedCornerBitmap(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());
    final RectF rectF = new RectF(rect);
    final float roundPx = 20;

    paint.setAntiAlias(true);//  ww  w. ja  va  2s  .co m
    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);

    if (output != bitmap) {
        bitmap.recycle();
    }
    return output;
}

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From source file:edu.mum.ml.group7.guessasketch.android.EasyPaint.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    mPaint.setXfermode(null);/*from   w w w  .  jav  a  2 s  . c o  m*/
    mPaint.setAlpha(0xFF);

    switch (item.getItemId()) {
    case R.id.normal_brush_menu:
        mPaint.setShader(null);
        mPaint.setMaskFilter(null);
        return true;
    case R.id.color_menu:
        new ColorPickerDialog(this, this, mPaint.getColor()).show();
        return true;

    case R.id.size_menu: {
        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View layout = inflater.inflate(R.layout.brush, (ViewGroup) findViewById(R.id.root));
        AlertDialog.Builder builder = new AlertDialog.Builder(this).setView(layout);
        builder.setTitle(R.string.choose_width);
        final AlertDialog alertDialog = builder.create();
        alertDialog.show();
        SeekBar sb = (SeekBar) layout.findViewById(R.id.brushSizeSeekBar);
        sb.setProgress(getStrokeSize());
        final TextView txt = (TextView) layout.findViewById(R.id.sizeValueTextView);
        txt.setText(
                String.format(getResources().getString(R.string.your_selected_size_is), getStrokeSize() + 1));
        sb.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            public void onProgressChanged(SeekBar seekBar, final int progress, boolean fromUser) {
                // Do something here with new value
                mPaint.setStrokeWidth(progress);
                txt.setText(
                        String.format(getResources().getString(R.string.your_selected_size_is), progress + 1));
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
            }
        });
        return true;
    }
    case R.id.erase_menu: {
        LayoutInflater inflater_e = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View layout_e = inflater_e.inflate(R.layout.brush, (ViewGroup) findViewById(R.id.root));
        AlertDialog.Builder builder_e = new AlertDialog.Builder(this).setView(layout_e);
        builder_e.setTitle(R.string.choose_width);
        final AlertDialog alertDialog_e = builder_e.create();
        alertDialog_e.show();
        SeekBar sb_e = (SeekBar) layout_e.findViewById(R.id.brushSizeSeekBar);
        sb_e.setProgress(getStrokeSize());
        final TextView txt_e = (TextView) layout_e.findViewById(R.id.sizeValueTextView);
        txt_e.setText(
                String.format(getResources().getString(R.string.your_selected_size_is), getStrokeSize() + 1));
        sb_e.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            public void onProgressChanged(SeekBar seekBar, final int progress, boolean fromUser) {
                // Do something here with new value
                mPaint.setStrokeWidth(progress);
                txt_e.setText(
                        String.format(getResources().getString(R.string.your_selected_size_is), progress + 1));
            }

            public void onStartTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
            }

            public void onStopTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub
            }
        });
        mPaint.setShader(null);
        mPaint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
        return true;
    }
    case R.id.clear_all_menu: {
        contentView.mBitmap.eraseColor(Color.TRANSPARENT);
        if (predictions != null) {
            resetPredictionsView(predictions, true);
        }
        return true;
    }
    case R.id.save_menu:
        sendScreenshot(false, ApiCallType.GUESS_IMAGE, "");
        break;

    case R.id.about_menu:
        startActivity(new Intent(this, AboutActivity.class));
        break;
    }
    return super.onOptionsItemSelected(item);
}

---

From source file:com.benefit.buy.library.http.query.callback.BitmapAjaxCallback.java

private static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    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());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);/*from w  w w  .  j  a  va 2 s.  c  om*/
    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);
    return output;
}

---

From source file:com.appbase.androidquery.callback.BitmapAjaxCallback.java

private static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {

    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());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;

    paint.setAntiAlias(true);/*from w  w  w.  j  a v  a 2s .co m*/
    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);

    return output;
}

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From source file:com.google.android.apps.muzei.settings.ChooseSourceFragment.java

private void prepareGenerateSourceImages() {
    mImageFillPaint.setColor(Color.WHITE);
    mImageFillPaint.setAntiAlias(true);/*from  ww w . j  a v a2 s  .  c o  m*/
    mAlphaPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
    mSelectedSourceImage = new BitmapDrawable(getResources(), generateSourceImage(
            ResourcesCompat.getDrawable(getResources(), R.drawable.ic_source_selected, null)));
}

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From source file:org.mariotaku.twidere.util.Utils.java

public static Bitmap createAlphaGradientBanner(final Bitmap orig) {
    if (orig == null)
        return null;
    final int width = orig.getWidth(), height = orig.getHeight();
    final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(bitmap);
    final Paint paint = new Paint();
    final LinearGradient shader = new LinearGradient(width / 2, 0, width / 2, height, 0xffffffff, 0x00ffffff,
            Shader.TileMode.CLAMP);//from ww w .  ja v a  2 s. c  o  m
    paint.setShader(shader);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    canvas.drawBitmap(orig, 0, 0, null);
    canvas.drawRect(0, 0, width, height, paint);
    return bitmap;
}

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From source file:com.malin.rxjava.activity.MainActivity.java

private void recycleImageView() {
    //ImageView??
    if (mGoToRecycleImageView) {
        Logger.d("onDestroy()> RecycleBitmap.recycleImageView(mImageView)");
        RecycleBitmap.recycleImageView(mImageView);
        mImageView.setImageBitmap(null);
    }// ww w.  j a va  2 s.  c  o  m

    if (mManyBitmapSuperposition != null && !mManyBitmapSuperposition.isRecycled()) {
        mManyBitmapSuperposition.recycle();
        mManyBitmapSuperposition = null;
    }

    //@link http://blog.csdn.net/yanzi1225627/article/details/8236309
    if (mCanvas != null) {
        //?
        Paint paint = new Paint();
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        mCanvas.drawPaint(paint);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
        mCanvas = null;
    }

}

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From source file:com.tct.mail.browse.MessageHeaderView.java

/**
 * Frames the input bitmap in a circle./*from  www .  java2  s . c o  m*/
 */
private static Bitmap frameBitmapInCircle(Bitmap input) {
    if (input == null) {
        return null;
    }

    // Crop the image if not squared.
    int inputWidth = input.getWidth();
    int inputHeight = input.getHeight();
    int targetX, targetY, targetSize;
    if (inputWidth >= inputHeight) {
        targetX = inputWidth / 2 - inputHeight / 2;
        targetY = 0;
        targetSize = inputHeight;
    } else {
        targetX = 0;
        targetY = inputHeight / 2 - inputWidth / 2;
        targetSize = inputWidth;
    }

    // Create an output bitmap and a canvas to draw on it.
    Bitmap output = Bitmap.createBitmap(targetSize, targetSize, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    // Create a black paint to draw the mask.
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(Color.BLACK);

    // Draw a circle.
    canvas.drawCircle(targetSize / 2, targetSize / 2, targetSize / 2, paint);

    // Replace the black parts of the mask with the input image.
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(input, targetX /* left */, targetY /* top */, paint);

    return output;
}

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