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

/**
 * Changes the paint color to transparent
 *
 * @param paint the object to mutate with the new color
 *///from  ww w  .ja  v a 2s  . com
public static void changePaintTransparent(Paint paint) {
    paint.setAlpha(0x00);
    paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.CLEAR));
}

From source file:Main.java

/**
 *
 * @return/*from  w ww. j ava 2  s.c o  m*/
 */
public static Paint newPaint() {
    Paint paint = new Paint(1);
    paint.setFilterBitmap(true);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
    return paint;
}

From source file:Main.java

public static void erase(Canvas canvas, RectF rectf) {
    Paint paint = new Paint();
    paint.setColor(0);/*from  w  w w .  ja  v a2  s  .  c  om*/
    paint.setDither(true);
    paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.CLEAR));
    canvas.drawRect(rectf, paint);
}

From source file:Main.java

public static Bitmap toCircleBitmap(Bitmap bitmap) {

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int r = width < height ? width : height;

    Bitmap buffer = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(buffer);
    Paint paint = new Paint();
    paint.setAntiAlias(true);//from  ww w .  j  av a  2s  .  c o m
    RectF rect = new RectF(0, 0, r, r);

    canvas.drawCircle(r / 2, r / 2, r / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, null, rect, paint);
    bitmap.recycle();
    return buffer;
}

From source file:Main.java

public static Bitmap cropJpgFile(String inFl, String outFl) throws IOException {
    Bitmap bmpIn = BitmapFactory.decodeFile(inFl);
    Bitmap bmOverlay = Bitmap.createBitmap(bmpIn.getWidth(), bmpIn.getHeight(), Bitmap.Config.ARGB_8888);
    Paint p = new Paint();
    p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    Canvas c = new Canvas(bmOverlay);
    c.drawBitmap(bmpIn, 0, 0, null);/* w  w w .j av  a 2  s.c o m*/
    //c.drawRect(30, 30, 100, 100, p);
    File fileOut = new File(outFl);
    FileOutputStream out = new FileOutputStream(fileOut);
    bmOverlay = drawTextToBitmap(bmOverlay, "Image Viewer");
    bmOverlay.compress(Bitmap.CompressFormat.JPEG, 100, out);
    return bmOverlay;
}

From source file:Main.java

public static Bitmap createScreenshot4(View view, int thumbnailWidth, int thumbnailHeight) {
    if (view != null) {
        Bitmap mCapture;//  ww  w .  j a  v a2  s . c om
        try {
            mCapture = Bitmap.createBitmap(thumbnailWidth, thumbnailHeight, Bitmap.Config.RGB_565);
        } catch (OutOfMemoryError e) {
            return null;
        }
        Canvas c = new Canvas(mCapture);
        Paint transPainter = new Paint();
        transPainter.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        c.drawRect(0, 0, mCapture.getWidth(), mCapture.getHeight(), transPainter);
        try {
            view.draw(c);
        } catch (Exception e) {
        }
        return mCapture;
    }
    return null;
}

From source file:Main.java

public static Bitmap punchAHoleInABitmap(Context context, Bitmap foreground, float x1, float y1) {
    Bitmap bitmap = Bitmap.createBitmap(foreground.getWidth(), foreground.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();
    canvas.drawBitmap(foreground, 0, 0, paint);
    paint.setAntiAlias(true);/*from  w w  w .j  a v  a  2  s  .c  om*/
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    float radius = (float) (getScreenSize(context).x * .06);
    canvas.drawCircle(x1, y1 - 450, radius, paint);
    return bitmap;
}

From source file:Main.java

public static Bitmap toOvalBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getHeight(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint();
    paint.setAntiAlias(true);//ww w  . ja v a2 s . com
    Rect rect = new Rect(0, 0, bitmap.getHeight(), bitmap.getHeight());
    RectF rectF = new RectF(rect);

    canvas.drawOval(rectF, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rectF, paint);
    return output;
}

From source file:Main.java

public static Bitmap toRoundCorner(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);/* w  ww .j  a v a2 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: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);/*w  w w . j  av a  2s.c  o  m*/
    paint.setAntiAlias(true);
    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;
}