Example usage for android.graphics Bitmap getHeight

Introduction

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

Prototype

public final int getHeight()

Source Link

Document

Returns the bitmap's height

Usage

From source file:Main.java

public static Bitmap greyScale(Bitmap source) {
    int width = source.getWidth();
    int height = source.getHeight();

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

    Canvas canvas = new Canvas(bitmap);
    ColorMatrix saturation = new ColorMatrix();
    saturation.setSaturation(0f);//from  w  ww. j  av a 2 s.  c  om
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
    canvas.drawBitmap(source, 0, 0, paint);
    source.recycle();

    if (source != bitmap) {
        source.recycle();
    }

    return bitmap;
}

From source file:Main.java

/**
 * Method to combine two images side by side.
 *
 * @param leftBmp  The left Bitmap./*from w  w  w.  j a  v  a2 s  . co  m*/
 * @param rightBmp The right Bitmap.
 * @return A Bitmap with left and right bitmap are glued side by side.
 */
public static Bitmap combineTwoImagesSideBySide(Bitmap leftBmp, Bitmap rightBmp) {
    int width;
    int height = leftBmp.getHeight();

    if (leftBmp.getWidth() > rightBmp.getWidth()) {
        width = leftBmp.getWidth() + rightBmp.getWidth();
    } else {
        width = rightBmp.getWidth() + rightBmp.getWidth();
    }

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

    Canvas comboImage = new Canvas(cs);
    comboImage.drawBitmap(leftBmp, 0f, 0f, null);
    comboImage.drawBitmap(rightBmp, leftBmp.getWidth(), 0f, null);

    return cs;
}

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);/* w  w w .  j  a va  2  s  .  c om*/

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

From source file:Main.java

/**
 * Fill the hole in the image (version 2)
 *//* w ww  .  j  a  v a  2s  .c om*/
public static void fillHole2(Bitmap bmp) {

    for (int j = 1; j < bmp.getWidth(); j++) {
        for (int i = 1; i < bmp.getHeight() - 1; i++) {
            if ((bmp.getPixel(i, j) == Color.TRANSPARENT) && (bmp.getPixel(i + 1, j) != Color.TRANSPARENT)) {
                bmp.setPixel(i, j, bmp.getPixel(i + 1, j)); // set to the next-below pixel
            }
        }
    }
}

From source file:Main.java

public static Bitmap convertToBlackWhite(Bitmap bmp) {
    int width = bmp.getWidth();
    int height = bmp.getHeight();
    int[] pixels = new int[width * height];

    bmp.getPixels(pixels, 0, width, 0, 0, width, height);
    int alpha = 0xFF << 24;
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            int grey = pixels[width * i + j];

            int red = ((grey & 0x00FF0000) >> 16);
            int green = ((grey & 0x0000FF00) >> 8);
            int blue = (grey & 0x000000FF);

            grey = (int) (red * 0.3 + green * 0.59 + blue * 0.11);
            grey = alpha | (grey << 16) | (grey << 8) | grey;
            pixels[width * i + j] = grey;
        }//from  ww w .  j av a  2s .  c om
    }
    Bitmap newBmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    newBmp.setPixels(pixels, 0, width, 0, 0, width, height);
    return ThumbnailUtils.extractThumbnail(newBmp, 380, 460);
}

From source file:Main.java

public static void invertImage(Bitmap b) {
    int A, R, G, B;
    int pixelColor;
    int height = b.getHeight();
    int width = b.getWidth();

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            pixelColor = b.getPixel(x, y);
            A = Color.alpha(pixelColor);

            R = 255 - Color.red(pixelColor);
            G = 255 - Color.green(pixelColor);
            B = 255 - Color.blue(pixelColor);

            b.setPixel(x, y, Color.argb(A, R, G, B));
        }//from www.ja v  a  2s. c om
    }
}

From source file:Main.java

public static Bitmap getCroppedBitmap(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());
    paint.setAntiAlias(true);/*from  ww  w . j a v  a2 s . c o  m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    // return _bmp;
    return output;

}

From source file:Main.java

public static Bitmap getScaled(Bitmap bm, int sidePx, boolean max) {
    float w = bm.getWidth();
    float h = bm.getHeight();
    float wRatio = sidePx / w;
    float hRatio = sidePx / h;
    float ratio = max ? Math.min(wRatio, hRatio) : Math.max(wRatio, hRatio);
    w = ratio * w;//from   www. ja v a 2s . c  om
    h = ratio * h;
    return Bitmap.createScaledBitmap(bm, (int) w, (int) h, true);
}

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();
    width = bmpOriginal.getWidth();//from w w w  . ja  v a  2 s  .  c o  m
    try {
        Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(bmpGrayscale);
        Paint paint = new Paint();
        ColorMatrix cm = new ColorMatrix();
        cm.setSaturation(0);
        ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
        paint.setColorFilter(f);
        c.drawBitmap(bmpOriginal, 0, 0, paint);
        return bmpGrayscale;
    } catch (OutOfMemoryError e) {
        return bmpOriginal;
    }
}

From source file:Main.java

/**
 * Method to remove colors in a Bitmap, creating a gray scale image.
 *
 * @param source The original Bitmap.//from w  w  w .ja  va2  s .c  o  m
 * @return The gray scale Bitmap.
 */
public static Bitmap toGrayscale(Bitmap source) {
    Bitmap bmpGrayscale = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bmpGrayscale);
    canvas.drawBitmap(source, 0, 0, getGrayScalePaint());
    return bmpGrayscale;
}