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 double getPixel(int x, int y, Bitmap bitmap) {
    if (x < 0 || x >= bitmap.getWidth() || y < 0 || y >= bitmap.getHeight())
        return 0;
    return bitmap.getPixel(x, y);
}

From source file:Main.java

public static Bitmap setGrayscale(Bitmap source) {
    int width, height;
    height = source.getHeight();
    width = source.getWidth();/*from w ww  .  j a  v a2s. co  m*/
    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(source, 0, 0, paint);
    return bmpGrayScale;
}

From source file:Main.java

public static Bitmap resizeBitmap(Bitmap bitmap, int maxSize) {
    int bigger = bitmap.getWidth() > bitmap.getHeight() ? bitmap.getWidth() : bitmap.getHeight();
    if (bigger > maxSize) {
        float scale = bigger / maxSize;
        return scaleBitmap(bitmap, scale);
    } else {// w ww . ja  v  a  2  s  .  c  om
        return bitmap;
    }
}

From source file:Main.java

@Deprecated
public static Bitmap setAlpha(Bitmap source, int number) {
    int[] argb = new int[source.getWidth() * source.getHeight()];
    source.getPixels(argb, 0, source.getWidth(), 0, 0, source.getWidth(), source.getHeight());
    number = number * 255 / 100;/*ww w . j a  v a 2s .c o  m*/
    for (int i = 0; i < argb.length; i++) {
        argb[i] = (number << 24) | (argb[i] & 0x00FFFFFF);
    }
    return Bitmap.createBitmap(argb, source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
}

From source file:Main.java

public static Bitmap scaleBitmapWidth(Bitmap bitmap, int width) {
    float ratio = bitmap.getWidth() / bitmap.getHeight();
    return scaleBitmap(bitmap, width, (width * bitmap.getHeight()) / bitmap.getWidth());
}

From source file:Main.java

public static Bitmap rotate(Bitmap bitmap, int degree) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Matrix mtx = new Matrix();
    mtx.postRotate(degree);//from   ww w . ja  v  a 2 s  . c  o  m
    return Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, true);
}

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);//from www.  j  a v  a2  s . co m
    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

private static Bitmap getBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Matrix matrix = new Matrix();
    matrix.setScale(0.5f, 0.5f);/*from  w w w .  j  a  va  2 s .c o  m*/
    bitmap = Bitmap.createBitmap(bitmap, width / 2 - 10, height / 3 - 10, width / 2 + 10, height / 3 + 10,
            matrix, true);
    return bitmap;
}

From source file:Main.java

private static Bitmap crop(Bitmap source) {
    int width = source.getWidth() - 2;
    int height = source.getHeight() - 2;
    if (width <= 0 || height <= 0) {
        return source;
    }// w w  w. ja va 2 s .  c  om
    return Bitmap.createBitmap(source, 1, 1, width, height);
}

From source file:Main.java

public static int getScreenPicHeight(int screenWidth, Bitmap bitmap) {
    int picWidth = bitmap.getWidth();
    int picHeight = bitmap.getHeight();
    int picScreenHeight;
    picScreenHeight = (screenWidth * picHeight) / picWidth;
    return picScreenHeight;
}