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 doGray(Bitmap src) {
    final double GS_RED = 0.299;
    final double GS_GREEN = 0.587;
    final double GS_BLUE = 0.114;

    Bitmap bmOut = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
    int A, R, G, B, pixel;
    int w = src.getWidth();
    int h = src.getHeight();
    for (int x = 0; x < w; x++) {
        for (int y = 0; y < h; y++) {
            pixel = src.getPixel(x, y);/*w  w  w.j  av  a  2s.c om*/

            A = Color.alpha(pixel);
            R = Color.red(pixel);
            G = Color.green(pixel);
            B = Color.blue(pixel);
            R = G = B = (int) (GS_RED * R + GS_GREEN * G + GS_BLUE * B);
            bmOut.setPixel(x, y, Color.argb(A, R, G, B));
        }
    }
    return bmOut;
}

From source file:Main.java

public static Bitmap getViewBitmap(View v) {
    if (v.getWidth() == 0 || v.getHeight() == 0)
        return null;
    Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);
    v.draw(c);/*from   w  w w  .j  a  v  a 2 s. c om*/
    return b;
}

From source file:Main.java

public static Bitmap boost(Bitmap src, int type, float percent) {
    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());

    int A, R, G, B;
    int pixel;/*from ww w  .  j  av a 2 s  .  c  o m*/

    for (int x = 0; x < width; ++x) {
        for (int y = 0; y < height; ++y) {
            pixel = src.getPixel(x, y);
            A = Color.alpha(pixel);
            R = Color.red(pixel);
            G = Color.green(pixel);
            B = Color.blue(pixel);
            if (type == 1) {
                R = (int) (R * (1 + percent));
                if (R > 255)
                    R = 255;
            } else if (type == 2) {
                G = (int) (G * (1 + percent));
                if (G > 255)
                    G = 255;
            } else if (type == 3) {
                B = (int) (B * (1 + percent));
                if (B > 255)
                    B = 255;
            }
            bmOut.setPixel(x, y, Color.argb(A, R, G, B));
        }
    }
    return bmOut;
}

From source file:Main.java

public static BitmapDrawable createDrawableFromView(Context context, View v) {
    Bitmap b = Bitmap.createBitmap(v.getLayoutParams().width, v.getLayoutParams().height,
            Bitmap.Config.ARGB_8888);//from w w  w  .  ja va 2  s .c om
    Canvas c = new Canvas(b);
    v.layout(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
    v.draw(c);
    return new BitmapDrawable(context.getResources(), b);
}

From source file:Main.java

public static Bitmap cutBitmap(Bitmap mBitmap, Rect r, Bitmap.Config config) {
    int width = r.width();
    int height = r.height();

    Bitmap croppedImage = Bitmap.createBitmap(width, height, config);

    Canvas cvs = new Canvas(croppedImage);
    Rect dr = new Rect(0, 0, width, height);
    cvs.drawBitmap(mBitmap, r, dr, null);
    return croppedImage;
}

From source file:Main.java

private static Bitmap toBitmap(Drawable drawable, int width, int height) {

    Bitmap bmp = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas c = new Canvas(bmp);
    drawable.setBounds(new Rect(0, 0, width, height));
    drawable.draw(c);//from w w w. j av  a  2 s.c o m

    return bmp;
}

From source file:Main.java

public static Bitmap toThreshold(Bitmap bmpOriginal) {
    int imageWidth = bmpOriginal.getWidth();
    int imageHeight = bmpOriginal.getHeight();
    Bitmap bmpThreshold = Bitmap.createBitmap(imageWidth, imageHeight, Bitmap.Config.RGB_565);
    int[] buffer = new int[imageWidth];

    int grayVal;/*from www.j a  v a2 s. c o m*/
    for (int row = 0; row < imageHeight; row++) {
        for (int col = 0; col < imageWidth; col++) {
            grayVal = rgbToGray(bmpOriginal.getPixel(col, row));
            if (grayVal > 125)
                buffer[col] = Color.rgb(255, 255, 255);
            else
                buffer[col] = Color.rgb(0, 0, 0);
        }
        bmpThreshold.setPixels(buffer, 0, imageWidth, 0, row, imageWidth, 1);
    }
    return bmpThreshold;
}

From source file:Main.java

public static Bitmap ARGBToBitmap(int width, int height, int[] data) {
    int ilength = data.length;
    int[] colors = new int[ilength];
    System.arraycopy(data, 0, colors, 0, ilength);
    Bitmap bmp = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    return bmp;//from  w  w w .j  a va2  s .c  om
}

From source file:Main.java

public static Bitmap captureScreen(Activity context) {
    View cv = context.getWindow().getDecorView();
    Bitmap bmp = Bitmap.createBitmap(cv.getWidth(), cv.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(bmp);
    cv.draw(canvas);//from   ww w  .  ja v  a 2  s. c o m
    return bmp;
}

From source file:Main.java

public static Bitmap drawable2Bitmap(Drawable d) {
    if (d == null) {
        return null;
    }//from  w w w.java 2  s .  c  o m
    Bitmap bm = Bitmap.createBitmap(d.getIntrinsicWidth(), d.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bm);
    d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
    d.draw(canvas);
    return bm;
}