package com.beardedhen.androidbootstrap.utils; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.Bitmap.Config; import android.graphics.PorterDuff.Mode; public class ImageUtils { public static Bitmap getCircleBitmap(Bitmap bitmap) { return getCircleBitmap(bitmap, bitmap.getWidth(), bitmap.getHeight()); } public static Bitmap getCircleBitmap(Bitmap bitmap, int width, int height) { Bitmap croppedBitmap = scaleCenterCrop(bitmap, width, height); 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); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); int radius = 0; if(width > height) { radius = height / 2; } else { radius = width / 2; } canvas.drawCircle(width / 2, height / 2, radius, paint); paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); canvas.drawBitmap(croppedBitmap, rect, rect, paint); return output; } public static Bitmap scaleCenterCrop(Bitmap source, int newHeight, int newWidth) { int sourceWidth = source.getWidth(); int sourceHeight = source.getHeight(); float xScale = (float) newWidth / sourceWidth; float yScale = (float) newHeight / sourceHeight; float scale = Math.max(xScale, yScale); float scaledWidth = scale * sourceWidth; float scaledHeight = scale * sourceHeight; float left = (newWidth - scaledWidth) / 2; float top = (newHeight - scaledHeight) / 2; RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight); Bitmap dest = Bitmap.createBitmap(newWidth, newHeight, source.getConfig()); Canvas canvas = new Canvas(dest); canvas.drawBitmap(source, null, targetRect, null); return dest; } }