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 RGB16ToBitmap(int width, int height, short[] data) {
    int ilength = data.length;
    int[] colors = new int[ilength];
    for (int i = 0; i < ilength; i++) {
        colors[i] = rgb565to24(data[i]);
    }/*from   ww  w  .j  ava 2s . co  m*/
    Bitmap bmp = Bitmap.createBitmap(width, height, Config.ARGB_8888);

    return bmp;

}

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From source file:Main.java

public static Bitmap bitmap2Round(Bitmap bitmap, float roundPx) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);//ww w. j  a  va 2 s.  c om
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

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From source file:Main.java

public static Bitmap drawableToBitmap(Drawable drawable) {
    if (drawable == null || drawable.getIntrinsicWidth() < 0 || drawable.getIntrinsicHeight() < 0)
        return null;
    try {/* w w w. j av a  2 s.c  om*/
        Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565);

        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        drawable.draw(canvas);
        return bitmap;
    } catch (OutOfMemoryError e) {
        return null;
    }

}

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From source file:Main.java

public static Bitmap getBlur(Bitmap bitmap) {
    int iterations = 1;
    int radius = 8;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] inPixels = new int[width * height];
    int[] outPixels = new int[width * height];
    Bitmap blured = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.getPixels(inPixels, 0, width, 0, 0, width, height);
    for (int i = 0; i < iterations; i++) {
        blur(inPixels, outPixels, width, height, radius);
        blur(outPixels, inPixels, height, width, radius);
    }/*w w w  .jav  a 2  s  .c  om*/
    blured.setPixels(inPixels, 0, width, 0, 0, width, height);
    return blured;
}

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From source file:Main.java

public static Bitmap cropMaxVisibleBitmap(Drawable drawable, int iconSize) {
    Bitmap tmp = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
            Bitmap.Config.ARGB_8888);/*from w ww . j  a va2s  .  c  o m*/
    Canvas canvas = new Canvas(tmp);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);

    Rect crop = new Rect(tmp.getWidth(), tmp.getHeight(), -1, -1);
    for (int y = 0; y < tmp.getHeight(); y++) {
        for (int x = 0; x < tmp.getWidth(); x++) {
            int alpha = (tmp.getPixel(x, y) >> 24) & 255;
            if (alpha > 0) { // pixel is not 100% transparent
                if (x < crop.left)
                    crop.left = x;
                if (x > crop.right)
                    crop.right = x;
                if (y < crop.top)
                    crop.top = y;
                if (y > crop.bottom)
                    crop.bottom = y;
            }
        }
    }

    if (crop.width() <= 0 || crop.height() <= 0) {
        return Bitmap.createScaledBitmap(tmp, iconSize, iconSize, true);
    }

    // We want to crop a square region.
    float size = Math.max(crop.width(), crop.height());
    float xShift = (size - crop.width()) * 0.5f;
    crop.left -= Math.floor(xShift);
    crop.right += Math.ceil(xShift);

    float yShift = (size - crop.height()) * 0.5f;
    crop.top -= Math.floor(yShift);
    crop.bottom += Math.ceil(yShift);

    Bitmap finalImage = Bitmap.createBitmap(iconSize, iconSize, Bitmap.Config.ARGB_8888);
    canvas.setBitmap(finalImage);
    float scale = iconSize / size;

    canvas.scale(scale, scale);
    canvas.drawBitmap(tmp, -crop.left, -crop.top, new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));
    canvas.setBitmap(null);
    return finalImage;
}

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From source file:Main.java

public static Bitmap int2Icon(Context context, int i) {
    Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), 0x7f020047);
    Bitmap bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
            android.graphics.Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap1);
    Paint paint = new Paint();
    paint.setDither(true);/*from  w w w .  j a va 2 s  .  c  o m*/
    paint.setFilterBitmap(true);
    canvas.drawBitmap(bitmap, 0.0F, 0.0F, paint);
    bitmap.recycle();
    Paint paint1 = new Paint(257);
    paint1.setColor(-1);
    paint1.setTypeface(Typeface.DEFAULT_BOLD);
    paint1.setTextAlign(android.graphics.Paint.Align.CENTER);
    canvas.drawText(String.valueOf(i), bitmap.getWidth() / 2, 3 + bitmap.getHeight() / 2, paint1);
    return bitmap1;
}

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From source file:Main.java

public static Bitmap toSepia(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//  w ww  .  j  ava2 s  .  com
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();

    ColorMatrix grMatrix = new ColorMatrix();
    grMatrix.setSaturation(0);

    ColorMatrix scMatrix = new ColorMatrix();
    scMatrix.setScale(1f, .85f, .72f, 1.0f);
    grMatrix.setConcat(scMatrix, grMatrix);

    ColorMatrixColorFilter f = new ColorMatrixColorFilter(grMatrix);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

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From source file:Main.java

public static Bitmap greyScale(Bitmap source) {
    int width = source.getWidth();
    int height = source.getHeight();

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);
    ColorMatrix saturation = new ColorMatrix();
    saturation.setSaturation(0f);/*w w  w .j  a  v  a2s.  co m*/
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
    canvas.drawBitmap(source, 0, 0, paint);
    source.recycle();

    if (source != bitmap) {
        source.recycle();
    }

    return bitmap;
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    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());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;

    paint.setAntiAlias(true);/* w w  w  . ja v a2  s. c  o 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;
}

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From source file:Main.java

public static Bitmap getMosaic(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int radius = 10;

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

    int horCount = (int) Math.ceil(width / (float) radius);
    int verCount = (int) Math.ceil(height / (float) radius);

    Paint paint = new Paint();
    paint.setAntiAlias(true);/*from   w  ww  .  j  a v  a  2 s .com*/

    for (int horIndex = 0; horIndex < horCount; ++horIndex) {
        for (int verIndex = 0; verIndex < verCount; ++verIndex) {
            int l = radius * horIndex;
            int t = radius * verIndex;
            int r = l + radius;
            if (r > width) {
                r = width;
            }
            int b = t + radius;
            if (b > height) {
                b = height;
            }
            int color = bitmap.getPixel(l, t);
            Rect rect = new Rect(l, t, r, b);
            paint.setColor(color);
            canvas.drawRect(rect, paint);
        }
    }
    canvas.save();

    return mosaicBitmap;
}

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