BitmapHelper.java 文件源码

public static Bitmap roundBitmap(Bitmap bitmap, int i, int i2, float f, float f2, float f3,
                                 float f4) throws Throwable {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Rect rect = new Rect(0, 0, width, height);
    Bitmap createBitmap = (width == i && height == i2) ? Bitmap.createBitmap(bitmap.getWidth
            (), bitmap.getHeight(), Config.ARGB_8888) : Bitmap.createBitmap(i, i2, Config
            .ARGB_8888);
    Canvas canvas = new Canvas(createBitmap);
    Paint paint = new Paint();
    Rect rect2 = new Rect(0, 0, i, i2);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(-12434878);
    float[] fArr = new float[]{f, f, f2, f2, f3, f3, f4, f4};
    ShapeDrawable shapeDrawable = new ShapeDrawable(new RoundRectShape(fArr, new RectF(0.0f,
            0.0f, 0.0f, 0.0f), fArr));
    shapeDrawable.setBounds(rect2);
    shapeDrawable.draw(canvas);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect2, paint);
    return createBitmap;
}