Example usage for android.graphics Bitmap getWidth

Introduction

In this page you can find the example usage for android.graphics Bitmap getWidth.

Prototype

public final int getWidth()

Source Link

Document

Returns the bitmap's width

Usage

From source file:Main.java

public static Bitmap getCroppedBitmap(Bitmap bmp, int radius, int border, int color) {
    Bitmap scaledBitmap;/*ww  w.j  av  a  2  s .  co  m*/
    if (bmp.getWidth() != radius || bmp.getHeight() != radius) {
        scaledBitmap = ThumbnailUtils.extractThumbnail(bmp, radius - 2, radius - 2);
    } else {
        scaledBitmap = bmp;
    }

    Bitmap output = Bitmap.createBitmap(scaledBitmap.getWidth(), scaledBitmap.getHeight(),
            Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawCircle(scaledBitmap.getWidth() / 2, scaledBitmap.getHeight() / 2, scaledBitmap.getWidth() / 2,
            paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    final Rect rect = new Rect(0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight());
    canvas.drawBitmap(scaledBitmap, rect, rect, paint);

    if (border > 0) {
        paint.setStrokeWidth(border);
        paint.setStyle(Paint.Style.STROKE);
        canvas.drawCircle(scaledBitmap.getWidth() / 2, scaledBitmap.getHeight() / 2,
                scaledBitmap.getWidth() / 2, paint);
    }

    return output;
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap source, float angle) {
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);// w  ww. j av  a  2 s .  c  om
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap doSherpiaEffect(Bitmap src, int depth, double red, double green, double blue) {
    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap bmOut = Bitmap.createBitmap(width, height, src.getConfig());
    final double GS_RED = 0.3;
    final double GS_GREEN = 0.59;
    final double GS_BLUE = 0.11;
    int A, R, G, B;
    int pixel;/*  w w  w .  ja va 2s  .  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);
            B = G = R = (int) (GS_RED * R + GS_GREEN * G + GS_BLUE * B);

            R += (depth * red);
            if (R > 255) {
                R = 255;
            }

            G += (depth * green);
            if (G > 255) {
                G = 255;
            }

            B += (depth * blue);
            if (B > 255) {
                B = 255;
            }

            bmOut.setPixel(x, y, Color.argb(A, R, G, B));
        }
    }
    return bmOut;
}

From source file:Main.java

public static Bitmap resizePreservingRatio(Bitmap original, int newWidth, int newHeight) {
    if (original == null)
        return null;

    int originalWidth = original.getWidth();
    int originalHeight = original.getHeight();

    if (newWidth / (float) originalWidth < newHeight / (float) originalHeight) {
        newHeight = originalHeight * newWidth / originalWidth;
    } else {//from   w w w  .  ja  va  2s.  co m
        newWidth = originalWidth * newHeight / originalHeight;
    }

    return Bitmap.createScaledBitmap(original, newWidth, newHeight, true);
}

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*from  w  ww .  ja va2  s . com*/
    width = bmpOriginal.getWidth();
    try {
        Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(bmpGrayscale);
        Paint paint = new Paint();
        ColorMatrix cm = new ColorMatrix();
        cm.setSaturation(0);
        ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
        paint.setColorFilter(f);
        c.drawBitmap(bmpOriginal, 0, 0, paint);
        return bmpGrayscale;
    } catch (OutOfMemoryError e) {
        return bmpOriginal;
    }
}

From source file:Main.java

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

From source file:Main.java

public static final Bitmap complementedBitmapByAlpha(Bitmap bitmap) {
    if (null == bitmap) {
        return null;
    }//  w w  w . j  av  a 2 s .  c  o m

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    if (width == height) {
        return bitmap;
    }

    int len = width > height ? width : height;
    Bitmap output = Bitmap.createBitmap(len, len, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setAlpha(0);
    canvas.drawPaint(paint);

    if (width > height) {
        int devide = (width - height) / 2;
        canvas.drawBitmap(bitmap, 0, devide, paint_comm);
    } else {
        int devide = (height - width) / 2;
        canvas.drawBitmap(bitmap, devide, 0, paint_comm);
    }
    return output;
}

From source file:Main.java

public static Bitmap reverseByVertical(Bitmap bitmap) {
    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);//from  w ww .  j  a  va 2 s  .c o  m
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
}

From source file:Main.java

public static Bitmap reverseByHorizontal(Bitmap bitmap) {
    Matrix matrix = new Matrix();
    matrix.preScale(-1, 1);/*from ww  w . j  av  a2  s. c  o m*/
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap bitmap1 = null;//  w  w w. j a  v  a2 s .c o m
    if (bitmap != null) {
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
                android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        Paint paint = new Paint();
        Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        RectF rectf = new RectF(rect);
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(0xffff0000);
        canvas.drawRoundRect(rectf, 15F, 15F, paint);
        paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);
        bitmap.recycle();
    }
    return bitmap1;
}