Example usage for android.graphics Paint setXfermode

Introduction

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

Prototype

public Xfermode setXfermode(Xfermode xfermode)

Source Link

Document

Set or clear the transfer mode object.

Usage

From source file:Main.java

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

From source file:Main.java

public static void cleanCanvas(Canvas mCanvas) {
    if (mCanvas != null) {
        Paint paint = new Paint();
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        mCanvas.drawPaint(paint);//ww  w  . j  a  v a 2s . c o m
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
        mCanvas = null;
    }
}

From source file:Main.java

public static Bitmap combineImages(Bitmap bgd, Bitmap fg) {
    Bitmap bmp;//from  ww  w.  java  2 s.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;
}

From source file:Main.java

public static Bitmap combineImages(Bitmap bgd, Bitmap fg) {
    Bitmap bmp;//  ww w .j a  v a 2s.  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(PorterDuff.Mode.SRC_ATOP));

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

    return bmp;
}

From source file:Main.java

/**
 *
 * @return// w ww  .  ja  v  a  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 Bitmap createScreenshot4(View view, int thumbnailWidth, int thumbnailHeight) {
    if (view != null) {
        Bitmap mCapture;//from w w  w .  ja va 2 s  .c  o  m
        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 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);//from   w ww.j  a v  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 void erase(Canvas canvas, RectF rectf) {
    Paint paint = new Paint();
    paint.setColor(0);/*w w  w .  j a  v  a2s.  co  m*/
    paint.setDither(true);
    paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.CLEAR));
    canvas.drawRect(rectf, paint);
}

From source file:Main.java

public static Bitmap combineImagesToSameSize(Bitmap bgd, Bitmap fg) {
    Bitmap bmp;// ww  w.  j  a v a  2s .c om

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

    if (fg.getWidth() != width && fg.getHeight() != height) {
        fg = zoom(fg, width, height);
    }
    if (bgd.getWidth() != width && bgd.getHeight() != height) {
        bgd = zoom(bgd, width, height);
    }

    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;
}

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 ww .  j av  a  2  s . c  o m*/
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    float radius = (float) (getScreenSize(context).x * .06);
    canvas.drawCircle(x1, y1 - 450, radius, paint);
    return bitmap;
}