Created
March 11, 2017 09:53
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RoundImageView
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public class RoundImageview extends NetworkImageView { | |
Context mContext; | |
public RoundImageview(Context context) { | |
super(context); | |
mContext = context; | |
} | |
public RoundImageview(Context context, AttributeSet attrs) { | |
this(context, attrs, 0); | |
mContext = context; | |
} | |
public RoundImageview(Context context, AttributeSet attrs, | |
int defStyle) { | |
super(context, attrs, defStyle); | |
mContext = context; | |
} | |
@Override | |
public void setImageBitmap(Bitmap bm) { | |
if(bm==null) return; | |
setImageDrawable(new BitmapDrawable(mContext.getResources(), | |
getCircularBitmap(bm))); | |
} | |
/** | |
* Creates a circular bitmap and uses whichever dimension is smaller to determine the width | |
* <br/>Also constrains the circle to the leftmost part of the image | |
* | |
* @param bitmap | |
* @return bitmap | |
*/ | |
public Bitmap getCircularBitmap(Bitmap bitmap) { | |
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), | |
bitmap.getHeight(), Bitmap.Config.ARGB_8888); | |
Canvas canvas = new Canvas(output); | |
int width = bitmap.getWidth(); | |
if(bitmap.getWidth()>bitmap.getHeight()) | |
width = bitmap.getHeight(); | |
final int color = 0xff424242; | |
final Paint paint = new Paint(); | |
final Rect rect = new Rect(0, 0, width, width); | |
final RectF rectF = new RectF(rect); | |
final float roundPx = width / 2; | |
paint.setAntiAlias(true); | |
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; | |
} | |
} |
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