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 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  w  w  w . j  a  v  a2  s.c o  m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    if (bitmap.getHeight() > bitmap.getWidth()) {
        // Dikey
        canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    } else {
        // Yatay
        canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getHeight() / 2, paint);
    }

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    if (bitmap.getHeight() > bitmap.getWidth()) {
        // Dikey
        output = Bitmap.createBitmap(output, 0, output.getHeight() / 2 - output.getWidth() / 2,
                output.getWidth(), output.getWidth());
    } else {
        // Yatay
        output = Bitmap.createBitmap(output, output.getWidth() / 2 - output.getHeight() / 2, 0,
                output.getHeight(), output.getHeight());
    }

    return output;
}

From source file:Main.java

public static Bitmap createScreenshot4(View view, int thumbnailWidth, int thumbnailHeight) {
    if (view != null) {
        Bitmap mCapture;/* w w  w.  ja v a 2  s . co m*/
        try {
            mCapture = Bitmap.createBitmap(thumbnailWidth, thumbnailHeight, Bitmap.Config.RGB_565);
        } catch (OutOfMemoryError e) {
            return null;
        }
        Canvas c = new Canvas(mCapture);
        Paint transPainter = new Paint();
        transPainter.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        c.drawRect(0, 0, mCapture.getWidth(), mCapture.getHeight(), transPainter);
        try {
            view.draw(c);
        } catch (Exception e) {
        }
        return mCapture;
    }
    return null;
}

From source file:Main.java

/**
 * Adds the white border to the specifed bitmap image using specified border size.
 * //w w w.  j  a v 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

private static Bitmap loadBitmapFromView(View view) {
    int specWidth = View.MeasureSpec.makeMeasureSpec(0 /* any */, View.MeasureSpec.UNSPECIFIED);
    view.measure(specWidth, specWidth);// w w w  .  j  av a 2  s.  c o  m
    int questionWidth = view.getMeasuredWidth();
    int questionHeight = view.getMeasuredHeight();
    Bitmap bitmap = Bitmap.createBitmap(questionWidth, questionHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
    view.draw(canvas);
    return bitmap;
}

From source file:Main.java

public static Bitmap toBitmap(View v) {
    int w = v.getWidth();
    int h = v.getHeight();
    if (w <= 0 || h <= 0) {
        return null;
    }/*from w  w  w  . jav  a  2  s.  c  o m*/
    Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    v.draw(canvas);
    return bitmap;
}

From source file:Main.java

public static Bitmap rotateDrawable(Context context, @DrawableRes int resId, int angle) {
    Bitmap bmpOriginal = BitmapFactory.decodeResource(context.getResources(), resId);
    Bitmap bmResult = Bitmap.createBitmap(bmpOriginal.getWidth(), bmpOriginal.getHeight(),
            Bitmap.Config.ARGB_8888);// ww  w  . j  a v  a2  s.c o  m
    Canvas tempCanvas = new Canvas(bmResult);
    tempCanvas.rotate(angle - 90, bmpOriginal.getWidth() / 2, bmpOriginal.getHeight() / 2);
    tempCanvas.drawBitmap(bmpOriginal, 0, 0, null);
    return bmResult;
}

From source file:Main.java

public static final Bitmap grey(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap greyBitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(greyBitmap);
    Paint paint = new Paint();
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(0);/*from   www  . java  2 s  . co m*/
    ColorMatrixColorFilter colorMatrixFilter = new ColorMatrixColorFilter(colorMatrix);
    paint.setColorFilter(colorMatrixFilter);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return greyBitmap;
}

From source file:Main.java

public static Bitmap transferMode(Bitmap src, Bitmap mask, Xfermode xfermode) {
    final int width = mask.getWidth();
    final int height = mask.getHeight();
    final Bitmap dst = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas canvas = new Canvas(dst);
    final Paint paint = new Paint();
    paint.setAntiAlias(true);//from   w  w  w.j  a va2s  .  c o m

    final int srcWidth = src.getWidth();
    final int srcHeight = src.getHeight();

    canvas.save();

    // Scale down the image first if required.
    if ((width < srcWidth) || (height < srcHeight)) {
        float radioX = (float) width / srcWidth;
        float radioY = (float) height / srcHeight;
        float radio = 1f;
        float dx = 0f;
        float dy = 0f;

        if (radioX > radioY) {
            radio = radioX;
            dy = (height / radioX - srcHeight) / 2.0f;
        } else {
            radio = radioY;
            dx = (width / radioX - srcWidth) / 2.0f;
        }

        canvas.scale(radio, radio);
        canvas.translate(dx, dy);
    }
    canvas.drawBitmap(src, 0, 0, paint);
    canvas.restore();

    if (xfermode != null) {
        paint.setXfermode(xfermode);
        canvas.drawBitmap(mask, 0, 0, paint);
    }

    return dst;
}

From source file:Main.java

/**
 * Writes a simple bitmap to local storage. The image is a solid color with size 400x400
 *///from  w  w w .j  av  a  2s  .c  o m
private static void writeSolidColorBitmapToFile(File file, int color) throws IOException {
    if (!file.exists()) {
        Bitmap bitmap = Bitmap.createBitmap(400, 400, Bitmap.Config.ARGB_8888);
        bitmap.eraseColor(color);

        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file);
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
        } finally {
            if (fos != null) {
                fos.close();
            }
        }
    }
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int width, int height, float roundPx) {

    Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, width, height);
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*from www  .ja  va 2 s  .com*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}