Created
December 14, 2016 05:56
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Rounded Image View
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import android.content.Context; | |
import android.graphics.Bitmap; | |
import android.graphics.Bitmap.Config; | |
import android.graphics.Canvas; | |
import android.graphics.Color; | |
import android.graphics.Paint; | |
import android.graphics.PorterDuff.Mode; | |
import android.graphics.PorterDuffXfermode; | |
import android.graphics.Rect; | |
import android.graphics.drawable.BitmapDrawable; | |
import android.graphics.drawable.Drawable; | |
import android.util.AttributeSet; | |
import android.widget.ImageView; | |
public class RoundedImageView extends ImageView { | |
public RoundedImageView(Context context) { | |
super(context); | |
} | |
public RoundedImageView(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
} | |
public RoundedImageView(Context context, AttributeSet attrs, int defStyle) { | |
super(context, attrs, defStyle); | |
} | |
@Override | |
protected void onDraw(Canvas canvas) { | |
Drawable drawable = getDrawable(); | |
if (drawable == null) { | |
return; | |
} | |
if (getWidth() == 0 || getHeight() == 0) { | |
return; | |
} | |
Bitmap b = ((BitmapDrawable) drawable).getBitmap(); | |
Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true); | |
int w = getWidth(); | |
@SuppressWarnings("unused") | |
int h = getHeight(); | |
Bitmap roundBitmap = getCroppedBitmap(bitmap, w); | |
canvas.drawBitmap(roundBitmap, 0, 0, null); | |
} | |
public static Bitmap getCroppedBitmap(Bitmap bmp, int radius) { | |
Bitmap sbmp; | |
if (bmp.getWidth() != radius || bmp.getHeight() != radius) { | |
float smallest = Math.min(bmp.getWidth(), bmp.getHeight()); | |
float factor = smallest / radius; | |
sbmp = Bitmap.createScaledBitmap(bmp, | |
(int) (bmp.getWidth() / factor), | |
(int) (bmp.getHeight() / factor), false); | |
} else { | |
sbmp = bmp; | |
} | |
Bitmap output = Bitmap.createBitmap(radius, radius, Config.ARGB_8888); | |
Canvas canvas = new Canvas(output); | |
final String color = "#BAB399"; | |
final Paint paint = new Paint(); | |
final Rect rect = new Rect(0, 0, radius, radius); | |
paint.setAntiAlias(true); | |
paint.setFilterBitmap(true); | |
paint.setDither(true); | |
canvas.drawARGB(0, 0, 0, 0); | |
paint.setColor(Color.parseColor(color)); | |
canvas.drawCircle(radius / 2 + 0.7f, radius / 2 + 0.7f, | |
radius / 2 + 0.1f, paint); | |
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); | |
canvas.drawBitmap(sbmp, rect, rect, paint); | |
return output; | |
} | |
} |
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