Example usage for android.graphics Bitmap createBitmap

Introduction

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

Prototype

public static Bitmap createBitmap(int width, int height, @NonNull Config config)

Source Link

Document

Returns a mutable bitmap with the specified width and height.

Usage

From source file:Main.java

public static Bitmap createTransparent(int width, int height) {
    Bitmap.Config conf = Bitmap.Config.ARGB_8888;
    return Bitmap.createBitmap(width, height, conf);
}

From source file:Main.java

public static Bitmap createBitmap(Context paramContext, int paramInt1, int paramInt2,
        Bitmap.Config paramConfig) {//  w  w w .  ja v  a2  s.  c o  m
    try {
        Bitmap localBitmap = Bitmap.createBitmap(paramInt1, paramInt2, paramConfig);
        return localBitmap;
    } catch (OutOfMemoryError localOutOfMemoryError) {
    }
    return null;
}

From source file:Main.java

public static Bitmap GetBitmapClippedCircle(Bitmap bitmap) {

    final int width = bitmap.getWidth();
    final int height = bitmap.getHeight();
    final Bitmap outputBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    final Path path = new Path();
    path.addCircle((float) (width / 2), (float) (height / 2), (float) Math.min(width, (height / 2)),
            Path.Direction.CCW);/*from   www . j  a va2s .c o m*/

    final Canvas canvas = new Canvas(outputBitmap);
    canvas.clipPath(path);
    canvas.drawBitmap(bitmap, 0, 0, null);
    return outputBitmap;
}

From source file:Main.java

public static Bitmap cropBitmap(Bitmap bitmap, Rect rect) {
    int w = rect.right - rect.left;
    int h = rect.bottom - rect.top;
    Bitmap ret = Bitmap.createBitmap(w, h, bitmap.getConfig());
    Canvas canvas = new Canvas(ret);
    canvas.drawBitmap(bitmap, -rect.left, -rect.top, null);
    bitmap.recycle();// ww  w. j av  a2  s.c om
    return ret;
}

From source file:Main.java

/**
 * Returns a plain white bitmap./*from ww  w  .j a v  a 2  s. com*/
 * @param width     The width of the bitmap
 * @param height    THe height of the bitmap
 * @return  the plain white bitmap
 */
public static Bitmap getBlankBitmap(int width, int height) {
    Bitmap image = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    image.eraseColor(android.graphics.Color.WHITE);
    return image;
}

From source file:Main.java

public static Bitmap view2Bitmap(View view) {
    if (view == null)
        return null;
    Bitmap ret = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(ret);
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null) {
        bgDrawable.draw(canvas);/*  w ww  . j  a va2 s .c o m*/
    } else {
        canvas.drawColor(Color.WHITE);
    }
    view.draw(canvas);
    return ret;
}

From source file:Main.java

public static Bitmap BITMAP_RESIZER(Bitmap bitmap, int newWidth, int newHeight) {
    Bitmap scaledBitmap = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888);

    float ratioX = newWidth / (float) bitmap.getWidth();
    float ratioY = newHeight / (float) bitmap.getHeight();
    float middleX = newWidth / 2.0f;
    float middleY = newHeight / 2.0f;

    Matrix scaleMatrix = new Matrix();
    scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);

    Canvas canvas = new Canvas(scaledBitmap);
    canvas.setMatrix(scaleMatrix);//from ww w  .  j  a v a 2  s.  c om
    canvas.drawBitmap(bitmap, middleX - bitmap.getWidth() / 2, middleY - bitmap.getHeight() / 2,
            new Paint(Paint.FILTER_BITMAP_FLAG));

    return scaledBitmap;

}

From source file:Main.java

/**
 * Returns a bitmap showing a screenshot of the view passed in.
 *//*  w  ww.  j a  v a 2s  .  c  o  m*/
@NonNull
static Bitmap getBitmapFromView(final View v) {
    Bitmap bitmap = Bitmap.createBitmap(v.getMeasuredWidth(), v.getMeasuredHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    v.draw(canvas);
    return bitmap;
}

From source file:Main.java

public static Bitmap captureWebView(WebView webView) {
    Picture snapShot = webView.capturePicture();
    Bitmap bmp = Bitmap.createBitmap(snapShot.getWidth(), snapShot.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(bmp);
    snapShot.draw(canvas);//from   ww  w.j  a va2  s.  co m
    return bmp;
}

From source file:Main.java

public static Bitmap handleImageOldPhoto(Bitmap bm) {
    int width = bm.getWidth();
    int height = bm.getHeight();
    int color;/*  w w  w.j a  v a  2 s. c o m*/
    int r, g, b, a;
    Bitmap bmp = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    int[] oldPx = new int[width * height];
    int[] newPx = new int[width * height];
    bm.getPixels(oldPx, 0, width, 0, 0, width, height);
    for (int i = 0; i < width * height; i++) {
        color = oldPx[i];
        r = Color.red(color);
        g = Color.green(color);
        b = Color.blue(color);
        a = Color.alpha(color);

        r = (int) (0.393 * r + 0.769 * g + 0.189 * b);
        g = (int) (0.349 * r + 0.686 * g + 0.168 * b);
        b = (int) (0.272 * r + 0.534 * g + 0.131 * b);
        if (r > 255) {
            r = 255;
        }
        if (g > 255) {
            g = 255;
        }
        if (b > 255) {
            b = 255;
        }
        newPx[i] = Color.argb(a, r, g, b);
    }
    bmp.setPixels(newPx, 0, width, 0, 0, width, height);
    return bmp;

}