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

/**
 * Adds the white border to the specifed bitmap image using specified border size.
 * /*from ww w. jav  a2 s  .  c  o m*/
 * @param bmp to add border
 * @param borderSize
 * @return bitmap image with border.
 */
public static Bitmap addWhiteBorder(Bitmap bmp, int borderSize, int imgSize) {

    Bitmap bmpWithBorder = Bitmap.createBitmap(bmp.getWidth() + borderSize * 2,
            bmp.getHeight() + borderSize * 2, bmp.getConfig());
    Canvas canvas = new Canvas(bmpWithBorder);
    canvas.drawColor(Color.WHITE);
    canvas.drawBitmap(bmp, borderSize, borderSize, null);

    return bmpWithBorder;
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap bmp, float degree) {
    Matrix matrix = new Matrix();
    matrix.postRotate(degree);//from  ww w  .  j a v a 2 s  .co m
    return Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
}

From source file:Main.java

public static double getAspectRatio(Bitmap bitmap) {
    if (bitmap == null)
        throw new IllegalArgumentException("bitmap is null");

    return (double) bitmap.getWidth() / (double) bitmap.getHeight();
}

From source file:Main.java

/**
 * Scale down the bitmap in order to make color analysis faster. Taken from Palette.
 *//*from  www .ja  va2 s  . co  m*/
private static Bitmap scaleBitmapDown(@NonNull Bitmap bitmap) {
    final int CALCULATE_BITMAP_MIN_DIMENSION = 100;
    final int minDimension = Math.min(bitmap.getWidth(), bitmap.getHeight());

    if (minDimension <= CALCULATE_BITMAP_MIN_DIMENSION) {
        // If the bitmap is small enough already, just return it
        return bitmap;
    }

    final float scaleRatio = CALCULATE_BITMAP_MIN_DIMENSION / (float) minDimension;
    return Bitmap.createScaledBitmap(bitmap, Math.round(bitmap.getWidth() * scaleRatio),
            Math.round(bitmap.getHeight() * scaleRatio), false);
}

From source file:Main.java

public static Bitmap addPadding(Bitmap bmp, int color) {

    if (bmp == null) {
        return null;
    }//from   w  w  w  . j  av a2s.  com

    int biggerParam = Math.max(bmp.getWidth(), bmp.getHeight());
    Bitmap bitmap = Bitmap.createBitmap(biggerParam, biggerParam, bmp.getConfig());
    Canvas canvas = new Canvas(bitmap);
    canvas.drawColor(color);

    int top = bmp.getHeight() > bmp.getWidth() ? 0 : (bmp.getWidth() - bmp.getHeight()) / 2;
    int left = bmp.getWidth() > bmp.getHeight() ? 0 : (bmp.getHeight() - bmp.getWidth()) / 2;

    canvas.drawBitmap(bmp, left, top, null);
    return bitmap;
}

From source file:Main.java

public static Bitmap changeImageColor(Bitmap sourceBitmap, int color) {
    Bitmap resultBitmap = Bitmap.createBitmap(sourceBitmap, 0, 0, sourceBitmap.getWidth() - 1,
            sourceBitmap.getHeight() - 1);
    Paint p = new Paint();
    p.setColor(color);/*from w  w w.java  2  s.com*/
    ColorFilter filter = new LightingColorFilter(color, 1);

    Canvas canvas = new Canvas(resultBitmap);
    canvas.drawBitmap(resultBitmap, 0, 0, p);
    return resultBitmap;
}

From source file:Main.java

public static float[] convertViewXYintoBitmapXY(int height, int weight, Bitmap bitmap, float x, float y) {
    float imgHeight = height;
    float imgWidth = weight;
    float bmHeight = bitmap.getHeight();
    float bmWidth = bitmap.getWidth();

    float WidthRatio = bmWidth / imgWidth;
    float HeightRatio = bmHeight / imgHeight;

    float BitmapPixelX = x * WidthRatio;
    float BitmapPixelY = y * HeightRatio;

    float[] bitmapXY = new float[] { BitmapPixelX, BitmapPixelY };
    return bitmapXY;
}

From source file:Main.java

public static Bitmap rotate(int angle, Bitmap bitmap) {
    Matrix matrix = new Matrix();
    matrix.postRotate((float) angle);
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap getCircleBitmap(Context context, Bitmap src, float radius) {
    radius = dipTopx(context, radius);/*from w  w  w .  jav  a 2 s. c  o m*/
    int w = src.getWidth();
    int h = src.getHeight();
    int canvasW = Math.round(radius * 2);
    Bitmap bitmap = Bitmap.createBitmap(canvasW, canvasW, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);

    Path path = new Path();
    path.addCircle(radius, radius, radius, Path.Direction.CW);
    canvas.clipPath(path);

    Paint paint = new Paint();
    paint.setAntiAlias(true);

    Rect srcRect = new Rect(0, 0, w, h);
    Rect dstRect = new Rect(0, 0, canvasW, canvasW);

    canvas.drawBitmap(src, srcRect, dstRect, paint);

    return bitmap;
}

From source file:Main.java

public static Bitmap rotateBitmap(int degree, Bitmap bitmap) {
    Matrix matrix = new Matrix();
    matrix.postRotate((float) degree);
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}