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 getBitmap(Drawable drawable, boolean scaleBitmap, int width, int height) {
    Bitmap bitmap;/* w  w w  .  j a va  2s  .c  o  m*/
    if (drawable instanceof BitmapDrawable) {
        bitmap = ((BitmapDrawable) drawable).getBitmap();
    } else {
        bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
        drawable.draw(canvas);
    }
    if (scaleBitmap) {
        bitmap = Bitmap.createScaledBitmap(bitmap, width, height, true);
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap createRoundCornerBitmap(Bitmap bitmap, float roundPx) {
    Bitmap roundCornerBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
            Bitmap.Config.ARGB_8888);/*  w ww  .ja  v a  2  s.c  om*/
    Canvas canvas = new Canvas(roundCornerBitmap);
    Paint paint = new Paint();
    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    RectF rectF = new RectF(rect);

    int color = 0xff424242;
    paint.setAntiAlias(true);
    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 roundCornerBitmap;
}

From source file:Main.java

public static Bitmap getMosaic(Bitmap bmpOriginal) {

    int width = bmpOriginal.getWidth();
    int height = bmpOriginal.getHeight();

    int sizeW = width / STEP;
    int sizeH = height / STEP;

    int resultW = sizeW * STEP;
    int resultH = sizeH * STEP;

    Bitmap bmpMosaic = Bitmap.createBitmap(resultW, resultH, Bitmap.Config.RGB_565);

    int col;/*from w w  w . j  a v a 2 s  .c  o  m*/
    for (int i = 0; i < sizeH; i++)
        for (int j = 0; j < sizeW; j++) {
            col = computeAverageColor(j, i, bmpOriginal);
            fillRigeon(col, j, i, bmpMosaic);
        }

    return bmpMosaic;
}

From source file:Main.java

public static Bitmap makeRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);//from w  w w.j  a  v a  2s.  co  m
    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;
}

From source file:Main.java

public static Bitmap addLabelToBitmap(Bitmap src, String label) {
    float densityFactor = Resources.getSystem().getDisplayMetrics().density;
    final float textPadding = src.getWidth() * 0.05f;

    Bitmap result = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(result);
    Paint textPaint = new Paint();
    textPaint.setAntiAlias(true);//from  w  w w  . ja v  a  2 s. c  o m
    textPaint.setTextSize(12 * densityFactor);
    textPaint.setColor(Color.WHITE);
    textPaint.setStrokeWidth(2 * densityFactor);
    textPaint.setShadowLayer(1 * densityFactor, 0, 0, Color.BLACK);

    float textWidth = textPaint.measureText(label);

    float scaleFactor = (src.getWidth() - textPadding * 2) / textWidth;

    canvas.drawBitmap(src, 0, 0, textPaint);

    canvas.save();
    canvas.scale(scaleFactor, scaleFactor);
    float textPosX = (src.getWidth() / scaleFactor - textWidth) / 2;
    float textPosY = (src.getHeight() - textPadding) / scaleFactor;

    canvas.drawText(label, textPosX, textPosY, textPaint);
    canvas.restore();
    return result;
}

From source file:Main.java

public static Bitmap getBitmapFromBuffer(Buffer src, int width) {
    if (null == src) {
        return null;
    }/*w ww .java  2s  .c o  m*/

    int height = getHeightFromWidth(width);
    if (-1 == height) {
        return null;
    }

    Bitmap bitmap = null;
    try {
        bitmap = Bitmap.createBitmap(width, height, Config.RGB_565);
        bitmap.copyPixelsFromBuffer(src);
    } catch (Exception e) {
        e.printStackTrace();
        bitmap = null;
    }

    return bitmap;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    float roundPx = w / 2;
    Bitmap output = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);//ww w  .  j  a  va2  s.c om
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

/**
 * Creates a bitmap with the given width and height.
 * <p/>/*from   w w w.j ava 2  s  .  c  om*/
 * If it fails with an OutOfMemory error, it will force a GC and then try to create the bitmap
 * one more time.
 *
 * @param width  width of the bitmap
 * @param height height of the bitmap
 */
public static Bitmap createBitmapAndGcIfNecessary(int width, int height) {
    try {
        return Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    } catch (OutOfMemoryError e) {
        System.gc();
        return Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);
    }
}

From source file:Main.java

public static Bitmap getRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap out = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(out);
    Paint paint = new Paint();
    paint.setColor(Color.WHITE);//from  w  ww  .  j  av a  2 s.  co m
    paint.setAntiAlias(true);
    canvas.drawCircle(width / 2, height / 2, width / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    Rect rect = new Rect(0, 0, width, height);
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return out;
}

From source file:Main.java

/**
 * Method to get a rounded rectange bitmap
 * @param bitmap//from w ww.  j  ava 2  s. c  o m
 * @param pixels
 * @return
 */
public static Bitmap getRoundedRectBitmap(Bitmap bitmap, int pixels) {
    Bitmap result = null;
    try {
        result = Bitmap.createBitmap(150, 150, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(result);

        int color = 0xff424242;
        Paint paint = new Paint();
        Rect rect = new Rect(0, 0, 200, 200);

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawCircle(75, 75, 75, paint);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);

    } catch (NullPointerException e) {
    } catch (OutOfMemoryError o) {
    }
    return result;
}